[Federal Register Volume 79, Number 80 (Friday, April 25, 2014)]
[Proposed Rules]
[Pages 23062-23099]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2014-08741]
[[Page 23061]]
Vol. 79
Friday,
No. 80
April 25, 2014
Part II
Department of Energy
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10 CFR Parts 429 and 430
Energy Conservation Program: Test Procedures for Residential Clothes
Washers; Proposed Rule
Federal Register / Vol. 79 , No. 80 / Friday, April 25, 2014 /
Proposed Rules
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DEPARTMENT OF ENERGY
10 CFR Parts 429 and 430
[Docket No. EERE-2013-BT-TP-0009]
RIN 1904-AC97
Energy Conservation Program: Test Procedures for Residential
Clothes Washers
AGENCY: Office of Energy Efficiency and Renewable Energy, Department of
Energy.
ACTION: Notice of proposed rulemaking.
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SUMMARY: The U.S. Department of Energy (DOE) proposes to revise its
test procedures for residential clothes washers established under the
Energy Policy and Conservation Act. The proposed amendments would
codify test procedure guidance that DOE has issued in response to
frequently asked questions, clarify additional provisions within the
test procedures, provide improved organization of each section, and
correct formatting errors in DOE's clothes washer test procedures.
DATES: DOE will accept comments, data, and information regarding this
notice of proposed rulemaking (NOPR) no later than July 9, 2014. See
section V, ``Public Participation,'' for details. DOE will hold a
public meeting on this proposed test procedure if one is requested by
May 12, 2014.
ADDRESSES: Any comments submitted must identify the NOPR for Test
Procedures for Residential Clothes Washers and provide docket number
EERE-2013-BT-TP-0009 and/or regulatory information number (RIN) number
1904-AC97. Comments may be submitted using any of the following
methods:
1. Federal eRulemaking Portal: www.regulations.gov. Follow the
instructions for submitting comments.
2. Email: [email protected]. Include the docket
number and/or RIN in the subject line of the message.
3. Mail: Ms. Brenda Edwards, U.S. Department of Energy, Building
Technologies Program, Mailstop EE-2J, 1000 Independence Avenue SW.,
Washington, DC 20585-0121. If possible, please submit all items on a
CD. It is not necessary to include printed copies.
4. Hand Delivery/ Courier: Ms. Brenda Edwards, U.S. Department of
Energy, Building Technologies Program, 950 L'Enfant Plaza SW., Suite
600, Washington, DC 20024. Telephone: (202) 586-2945. If possible,
please submit all items on a CD. It is not necessary to include printed
copies.
For detailed instructions on submitting comments and additional
information on the rulemaking process, see section V of this document
(Public Participation).
Docket: The docket, which includes Federal Register notices, public
meeting attendee lists and transcripts, comments, and other supporting
documents/ materials, is available for review at http://www.regulations.gov/#!docketDetail;D=EERE-2013-BT-TP-0009. All
documents in the docket are listed in the regulations.gov index.
However, some documents listed in the index, such as those containing
information that is exempt from public disclosure, may not be publicly
available.
For further information on how to submit a comment or review other
public comments and the docket, or to request a public meeting, contact
Ms. Brenda Edwards at (202) 586-2945 or by email:
[email protected].
FOR FURTHER INFORMATION CONTACT: Ashley Armstrong, U.S. Department of
Energy, Office of Energy Efficiency and Renewable Energy, Building
Technologies Program, EE-2J, 1000 Independence Avenue SW., Washington,
DC 20585-0121. Telephone: (202) 586-6590. Email: [email protected].
Elizabeth Kohl, Esq., U.S. Department of Energy, Office of General
Counsel, GC-71, 1000 Independence Avenue SW., Washington, DC 20585-
0121. Telephone: (202) 586-7796. Email: [email protected].
SUPPLEMENTARY INFORMATION:
Table of Contents
I. Background
II. Summary of the Notice of Proposed Rulemaking
III. Discussion
A. Clothes Container Capacity Measurement
1. Capacity Measurement in Appendix J1
2. Capacity Measurement in Appendix J2
3. Capacity Rounding Requirements
4. Plastic Sheet Material
5. Shipping Bolts
B. Hot and Cold Water Supply Test Conditions
C. Test Cloth Standard Extractor RMC Test Procedure
D. Test Cloth Loading Instructions
E. Energy Test Cycle
1. Warm Rinse Cycles
2. Sanitization Cycles
3. Default Cycle Settings
4. Energy Test Cycle Definition and Flowcharts
F. Wash Time Setting
G. Standby and Off Mode Testing
1. Testing Sequence
2. Default Settings
3. Multiple Possible Inactive Modes
H. Fixed Water Fill Control Systems
I. Deep Rinse and Spray Rinse Definitions
J. Uniformly Distributed Warm Wash Temperatures
K. Determining Extra Hot Wash Temperature
L. Gas-Heated and Oil-Heated Hot Water Energy
M. Out-of-Balance Loads
N. Reordering of Section 2, Testing Conditions
O. Table 3.2 Edits
P. Table 4.1.1 Edits
Q. Table 2.8 Edits
R. Replacing ``Consumer'' with ``User''
S. Introductory Text
T. Test Procedure Provisions in 10 CFR 430.23
U. Reporting and Verification Requirements
1. Remaining Moisture Content
2. Rounding Requirements for All Reported Values
3. Energy Test Cycle Selections
IV. Procedural Issues and Regulatory Review
A. Review Under Executive Order 12866
B. Review under the Regulatory Flexibility Act
C. Review Under the Paperwork Reduction Act of 1995
D. Review Under the National Environmental Policy Act of 1969
E. Review Under Executive Order 13132
F. Review Under Executive Order 12988
G. Review Under the Unfunded Mandates Reform Act of 1995
H. Review Under the Treasury and General Government
Appropriations Act, 1999
I. Review Under Executive Order 12630
J. Review Under Treasury and General Government Appropriations
Act, 2001
K. Review Under Executive Order 13211
L. Review Under Section 32 of the Federal Energy Administration
Act of 1974
V. Public Participation
A. Submission of Comments
B. Issues on Which DOE Seeks Comment
VI. Approval of the Office of the Secretary
I. Background
Title III of the Energy Policy and Conservation Act of 1975 (42
U.S.C. 6291, et seq.; ``EPCA'') sets forth a variety of provisions
designed to improve energy efficiency. (All references to EPCA refer to
the statute as amended through the American Energy Manufacturing
Technical Corrections Act (AEMTCA), Public Law 112-210 (Dec. 18,
2012)). Part B of title III, which for editorial reasons was
redesignated as Part A upon incorporation into the U.S. Code (42 U.S.C.
6291-6309, as codified), establishes the ``Energy Conservation Program
for Consumer Products Other Than Automobiles.'' These include
residential clothes washers, the subject of today's notice. (42 U.S.C.
6292(a)(7))
Under EPCA, the energy conservation program consists essentially of
four parts: (1) Testing, (2) labeling, (3) Federal energy conservation
standards,
[[Page 23063]]
and (4) certification and enforcement procedures. The testing
requirements consist of test procedures that manufacturers of covered
products must use as the basis for (1) certifying to DOE that their
products comply with the applicable energy conservation standards
adopted under EPCA, and (2) making representations about the efficiency
of those products. Similarly, DOE must use these test procedures to
determine whether the products comply with any relevant standards
promulgated under EPCA.
General Test Procedure Rulemaking Process
Under 42 U.S.C. 6293, EPCA sets forth the criteria and procedures
DOE must follow when prescribing or amending test procedures for
covered products. EPCA provides in relevant part that any test
procedures prescribed or amended under this section shall be reasonably
designed to produce test results that measure energy efficiency, energy
use, or estimated annual operating cost of a covered product during a
representative average use cycle or period of use and shall not be
unduly burdensome to conduct. (42 U.S.C. 6293(b)(3))
In addition, if DOE determines that a test procedure amendment is
warranted, it must publish proposed test procedures and afford the
public an opportunity to present oral and written comments on them. (42
U.S.C. 6293(b)(2)) Finally, in any rulemaking to amend a test
procedure, DOE must determine to what extent, if any, the proposed test
procedure would alter the measured energy efficiency of any covered
product as determined under the existing test procedure. (42 U.S.C.
6293(e))
DOE test procedures for clothes washers are codified at appendices
J1 and J2 to 10 CFR part 430 subpart B (hereafter, ``appendix J1'' and
``appendix J2''). DOE most recently amended the test procedures for
clothes washers on March 7, 2012 (hereafter, the ``March 2012 final
rule''). 77 FR 13888. The March 2012 final rule amended certain
provisions in appendix J1 and also established the clothes washer test
procedure codified in appendix J2.
Manufacturers of residential clothes washers are required to make
representations of energy efficiency using either appendix J1 or
appendix J2, as revised by the March 2012 final rule. Manufacturers
must use a single test procedure for all representations for a basic
model and may not use appendix J1 for certain representations and
appendix J2 for other representations. Compliance with DOE's amended
standards for residential clothes washers, and the corresponding
mandatory use of the test procedure at appendix J2 for all
representations, is required as of March 7, 2015. 77 FR 32308 (May 31,
2012) and 77 FR 59719 (October 1, 2012).
II. Summary of the Notice of Proposed Rulemaking
In this NOPR, DOE proposes clarifications and technical amendments
to its test procedures for clothes washers at appendix J1 and appendix
J2. In addition, DOE proposes amendments to the reporting and
verification requirements for residential clothes washers. DOE has
determined that today's proposed amendments, as described in section
III, would not alter the measured efficiency of clothes washers. The
proposed amendments either codify guidance interpreting DOE's existing
regulations, provide further clarification of the relevant test
procedure provisions, provide improved organization of each section, or
correct formatting errors in DOE's clothes washer test procedures.
III. Discussion
A. Clothes Container Capacity Measurement
1. Capacity Measurement in Appendix J1
Section 3.1 of appendix J1 contains procedures for measuring the
clothes container capacity. The capacity measurement procedure involves
filling the clothes container with water and determining the volume
based on the weight of the added water divided by the water density.
Section 3.1.4 specifies that the clothes container be filled manually
with water to its ``uppermost edge.''
DOE published guidance on July 6, 2010, clarifying the definition
of the uppermost edge of the clothes container for the purpose of
performing the capacity measurement. See DOE's guidance document at:
http://www1.eere.energy.gov/buildings/appliance_standards/pdfs/clotheswashers_faq1_2010-07-06.pdf.
The guidance document provides detailed descriptions and
illustrations of the boundary defining the uppermost edge of the
clothes container for both top-loading and front-loading clothes
washers. For top-loading vertical-axis clothes washers, DOE's guidance
document defines the uppermost edge of the clothes container as the
highest point of the innermost diameter of the tub cover. For front-
loading horizontal-axis clothes washers, the guidance document
specifies filling the clothes container with water to the highest point
of contact between the door and the door gasket. If any portion of the
door or the door gasket would occupy the measured volume when the door
is closed, that volume must be excluded from the measurement. DOE's
guidance document also provides illustrations of the boundary defining
the uppermost edge of the clothes container for both top-loading and
front-loading clothes washers. The proposed amendments incorporate
these clarifications into section 3.1.4 of appendix J1, including the
illustrations.
The proposal also further clarifies the appropriate water fill
levels for front-loading horizontal-axis clothes washers with concave
door shapes and top-loading horizontal-axis clothes washers. For front-
loading horizontal-axis clothes washers with concave door shapes, the
capacity measurement would include any space above the plane defined by
the highest point of contact between the door and the door gasket, if
that area can be occupied by clothing during washer operation.
Similarly, for top-loading hojjhrizontal-axis clothes washers, the
water fill volume would include any space above the plane of the door
hinge, if that area can be occupied by clothing during washer
operation. This additional clarification is consistent with the
illustrations for these clothes washer types provided in DOE's guidance
document.
2. Capacity Measurement in Appendix J2
Section 3.1.4 of appendix J2 specifies the maximum allowable water
fill levels for determining the capacity of top-loading and front-
loading clothes washers. For front-loading horizontal-axis clothes
washers, section 3.1.4 specifies filling the clothes container to the
``uppermost edge that is in contact with the door seal.'' DOE intended
this language to clarify the text in DOE's July 6, 2010 guidance
document interpreting appendix J1, but did not intend for the measured
capacity values to differ. Since publishing the March 2012 final rule,
DOE has become aware of front-loading clothes washer door geometries
with complex curvatures that may not have an easily discernible
``uppermost edge'' in contact with the door seal. Therefore, DOE
proposes to amend the description of the maximum fill volume for front-
loading clothes washers using the same language as the proposed
amendments in appendix J1 and specified in the July 6, 2010 guidance,
as described in the previous section. The proposed revision would
provide additional clarity by referencing the ``highest point of
contact'' rather than the ``uppermost edge,'' and will more
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clearly identify the geometric boundary between the door and the door
gasket. The proposal would more clearly define the uppermost fill level
for a wider range of front-loading clothes washer geometries. As noted
above, DOE intends for the measured capacity of a front-loading clothes
washer using the proposed revised language to be equivalent to the
measured capacity using the current front-loading capacity language in
section 3.1.4 of appendix J2.
The proposed amendments to appendix J2 also incorporate
illustrations of the boundary defining the uppermost edge of the
clothes container for top-loading vertical-axis clothes washers and the
boundaries defining the fill volumes for horizontal-axis clothes
washers.
3. Capacity Rounding Requirements
In both appendix J1 and appendix J2, the capacity measurement is
used to determine the test load sizes as defined in Table 5.1. The
table provides test load sizes for capacity ranges in increments of
0.10 cubic feet. The precision of the capacity ranges in Table 5.1
implies that the capacity of the clothes container must be measured to
the nearest 0.01 cubic foot for the purpose of determining load size.
However, manufacturers typically report capacity to the nearest 0.1
cubic foot in DOE certification reports and in retail advertisements.
The proposed amendments clarify that, under appendix J1 and
appendix J2, capacity must be measured to the nearest 0.01 cubic foot
not only for the purpose of determining load size, but also for the
purpose of calculating the values that manufacturers must report
pursuant to 10 CFR 429.20(b). In both appendices, DOE proposes
specifying this requirement in a new section 3.1.7 following the
calculation of capacity in newly renumbered section 3.1.6.
The proposed amendments would also specify in a new section at 10
CFR 429.20(c) that capacity must be reported to the nearest 0.1 cubic
foot (cu. ft.) for the purpose of DOE certification reports for
residential clothes washers.
Finally, DOE proposes to clarify in a new section at 10 CFR
429.20(a)(3) that the certified capacity of any clothes washer basic
model shall be the mean of the capacities of the units in the sample
for the basic model. While DOE believes this is current practice
because the existing test procedure and sampling plan require testing
at least two units and measuring the drum capacity individually for
each, DOE is proposing this amendment for clarity.
4. Plastic Sheet Material
Section 3.1.2 of both appendix J1 and appendix J2 instructs the
testing party to line the inside of the clothes container with a 2 mil
thickness (0.051mm) plastic sheet in preparation for performing the
capacity measurement. DOE is aware that common industry practice is to
use a large 2 mil plastic bag, rather than a plastic sheet, for lining
the clothes container because the shape of the plastic bag more easily
conforms to the geometry of the clothing container. DOE believes the
measured capacity of the clothes washer would be the same regardless of
whether a plastic sheet or plastic bag is used, provided that the
thickness of either the plastic sheet or plastic bag is 2 mil. DOE
therefore proposes to amend section 3.1.2 of both appendix J1 and
appendix J2 to allow the use of either a 2 mil thickness plastic sheet
or plastic bag to line the inside of the clothes container.
5. Shipping Bolts
Typically, front-loading clothes washers are designed with large
bolts, inserted through the back of the clothes washer, that secure the
wash drum to prevent movement of the drum during shipping. These
``shipping bolts'' must be removed prior to operating the clothes
washer. Alternatively, on some front-loading clothes washers, the drum
is secured using other forms of bracing hardware that is intended to be
removed prior to operating the clothes washer.
Section 3.1.1 of appendix J2 currently specifies that the shipping
bolts must remain in place during the capacity measurement procedure to
support the wash drum and prevent it from sagging downward as the drum
is filled with water. The proposed amendments would add a reference to
``other forms of bracing hardware'' in section 3.1.1 of both appendix
J1 and appendix J2.
In addition, DOE has become aware of front-loading clothes washer
designs that do not use shipping bolts or other forms of bracing
hardware to support the wash drum during shipping. DOE proposes further
amending section 3.1.1 of both appendix J1 and J2 to describe how a
laboratory should measure the capacity of this type of clothes washer.
The proposed amendments would allow a laboratory to support the wash
drum by other means, including temporary bracing or support beams. Any
temporary bracing or support beams would be required to keep the wash
drum in a fixed position, relative to the geometry of the door and door
seal components, that is representative of the position of the wash
drum during normal operation. The proposal would also require that the
method used avoid damage to the unit that would affect the results of
the energy and water testing. The proposed amendments further specify
that the test report must fully document the method used to support the
wash drum, and pursuant to 10 CFR 429.71, the manufacturer must retain
such documentation as part of its test records.
B. Hot and Cold Water Supply Test Conditions
Section 2.3.1 of both appendix J1 and appendix J2 specifies that
the temperature of the hot water supply must not exceed 135 [deg]F and
the cold water supply must not exceed 60 [deg]F for clothes washers in
which electrical energy or water energy consumption are affected by the
inlet water temperature (for example, water heating clothes washers or
clothes washers with thermostatically controlled water valves). This
specification does not provide a lower bound for the hot and cold water
supply temperatures. In contrast, section 2.3.2 of both test procedures
specifies a hot water supply temperature of 135 [deg]F 5
[deg]F and a cold water supply temperature of 60 [deg]F 5
[deg]F for clothes washers in which electrical energy and water energy
consumption are not affected by the inlet water temperature.
On clothes washers with thermostatically controlled mixing valves,
the supply water temperatures directly affect the relative quantities
of hot and cold water consumption during a wash cycle. DOE has observed
that the large majority of residential clothes washers on the market
now use thermostatically controlled mixing valves or other similar
technologies for precisely controlling the wash water temperatures.
DOE's engineering analysis during the most recent energy conservation
standards rulemaking indicated that precise temperature control will be
required to achieve the higher efficiency levels established by the May
31, 2012 direct final rule. (77 FR 32308)
To improve consistency and repeatability of test results, DOE
proposes to establish a lower bound of 130 [deg]F for the hot water
supply and 55 [deg]F for the cold water supply for clothes washers in
which electrical energy or water energy consumption are affected by the
inlet water temperature. This would provide an allowable range of five
degrees on the hot and cold water supplies (i.e., 130-135 [deg]F and
55-60 [deg]F, respectively). This amendment would apply to both
appendix J1 and appendix J2 (with section 2.3.1 in appendix J2
renumbered to 2.2.1).
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DOE notes that the proposed five-degree temperature tolerance is a
tighter tolerance than is required for clothes washers in which
electrical energy and water energy consumption are not affected by the
inlet water temperature; however, DOE notes that the water supply
temperature affects the outcome of the MEF results when testing clothes
washers with thermostatically controlled water valves more
significantly than for clothes washers without such valves. DOE
requests comment on the potential test burden associated with
maintaining a tolerance of five degrees on the hot and cold water
supply temperature for clothes washers in which electrical energy and
water energy consumption are affected by the inlet water temperature.
C. Test Cloth Standard Extractor RMC Test Procedure
Sections 2.6.5 through 2.6.7 of both appendix J1 and appendix J2
contain the procedures for performing the standard extractor remaining
moisture content (RMC) test to evaluate the moisture absorption and
retention characteristics and to develop a unique correction curve for
each new lot of test cloth. To improve the clarity and overall logical
flow of the test procedure, DOE proposes moving the contents of
sections 2.6.5 through 2.6.7 in both appendices to a new appendix J3 as
a standalone test method for measuring the moisture absorption and
retention characteristics of new energy test cloth lots.
D. Test Cloth Loading Instructions
Section 2.8.3 of both appendix J1 and appendix J2 instruct the
testing party to load the energy test cloths into the clothes washer by
grasping them in the center, shaking them to hang loosely, and then
``put them into the clothes container'' prior to activating the clothes
washer. DOE proposes to provide additional specificity for the test
cloth handling and loading instructions, which DOE believes will
improve the overall clarity and consistency of test cloth loading
procedures. The proposed amendments would apply to both appendix J1 and
appendix J2 (section 2.8.3 would be renumbered to 2.9.2 in appendix J2
per the proposed amendments).
DOE proposes using a modified version of the loading instructions
for towels and pillowcases provided in the Association of Home
Appliance Manufacturers (AHAM) HLW-1-2010 test method, Performance
Evaluation Procedures for Household Appliances.\1\ Like DOE's current
test cloth loading instructions, the AHAM procedure involves grasping
the towel/pillowcase in the center and shaking it so that it hangs
loosely. The AHAM procedure further describes placing the towels/
pillowcases into the drum with alternating orientations. It also
provides sketches illustrating each step in the loading process. DOE's
proposed amendments would adopt similar illustrations. The amendments
would also specify following any additional manufacturing loading
instructions provided to the user regarding the placement of clothing
within the clothing container.
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\1\ AHAM HLW-1-2010 is available at http://www.aham.org/ht/d/Store/name/MAJOR/pid/5132.
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E. Energy Test Cycle
1. Warm Rinse Cycles
Section 1.7 of appendix J1 defines the energy test cycle as (A) the
cycle recommended by the manufacturer for washing cotton or linen
clothes, including all wash/rinse temperature selections and water
levels offered in that cycle, and (B) for each other wash/rinse
temperature selection or water level available on that basic model, the
portion(s) of other cycle(s) with that temperature selection or water
level that, when tested pursuant to these test procedures, will
contribute to an accurate representation of the energy consumption of
the basic model as used by consumers.
DOE published guidance on September 21, 2010, clarifying that the
energy test cycle should include the warm rinse of the cycle most
comparable to the cottons and linens cycle if warm rinse is not
available on the cottons and linens cycle. See DOE's guidance document
at: http://www1.eere.energy.gov/buildings/appliance_standards/pdfs/clotheswasher_faq_2010-09-21.pdf. The proposed amendments codify
DOE's guidance by incorporating this clarification into section 1.7(B)
of appendix J1 (redesignated as section 1.8(B) due to the proposed
addition of a new entry in the list of definitions before the energy
test cycle definition).
As described in section III.E.4 of this NOPR, DOE is proposing a
new methodology for determining the energy test cycle in appendix J2.
Based on the proposed methodology, which is intended to improve clarity
without altering the cycle selections that will be part of the energy
test cycle, DOE has tentatively determined that a parallel
clarification regarding a warm rinse cycle is unnecessary in appendix
J2. The methodology for determining the warm wash/warm rinse
temperature selection in appendix J2 requires including the warm rinse
cycle if it is not available on the cycle recommended for washing
cotton or linen clothes but is available on an alternative cycle
selection.
2. Sanitization Cycles
As described in the previous section, the energy test cycle in
appendix J1 includes all temperature selections available on the cycle
recommended by the manufacturer for washing cotton or linen clothing.
The energy test cycle also includes other temperature selections
available on other cycles that ``will contribute to an accurate
representation of the energy consumption of the basic model as used by
consumers.''
Section 3.3 of appendix J1 defines the ``Extra Hot Wash'' as a
cycle with a maximum wash temperature of greater than 135[emsp14][deg]F
on water heating clothes washers. DOE is aware that on some clothes
washers, an extra hot temperature selection is available only on a
separate sanitization cycle. The proposed amendments to the energy test
cycle definition in appendix J1 would clarify that for such clothes
washers, the sanitization cycle should be included in the energy test
cycle if the cycle is recommended by the manufacturer for washing
clothing and if doing so would contribute to an accurate representation
of the energy consumption as used by consumers. If the extra hot
temperature selection is available only on a sanitization cycle not
recommended by the manufacturer for washing clothing (e.g., a cycle
intended only for sanitizing the wash drum), such a cycle would not be
required for consideration as part of the energy test cycle.
Based on DOE's proposed new methodology for determining the energy
test cycle in appendix J2, DOE has tentatively determined that a
specific clarification regarding a sanitization cycle is unnecessary in
appendix J2 because the methodology for determining the extra hot wash
temperature selection requires including the extra hot wash temperature
setting if such a setting is available on the clothes washer and is
recommended by the manufacturer for washing clothing.
3. Default Cycle Settings
Testing a clothes washer according to appendix J1 or appendix J2
requires selecting specific wash/rinse temperatures and wash water fill
levels for the wash cycles used to determine energy and water
consumption. In addition, specific spin speeds must be
[[Page 23066]]
selected for the wash cycle(s) used to determine the remaining moisture
content. Other than these settings, the test procedure does not
instruct the user to change any other optional settings during testing.
The proposed amendments to appendix J1 would modify section 1.7(B)
(redesignated as 1.8(B)) to clarify the requirement to use the
manufacturer default settings for any cycle selections, except for (1)
the temperature selection, (2) the wash water fill levels, or (3) if
necessary, the spin speeds on wash cycles used to determine remaining
moisture content. Specifically, the manufacturer default settings must
be used for wash conditions such as agitation/tumble operation, soil
level, spin speed on wash cycles used to determine energy and water
consumption, wash times, rinse times, optional rinse settings, water
heating time for water-heating clothes washers, and all other wash
parameters or optional features applicable to that wash cycle. Any
optional wash cycle feature (other than wash/rinse temperature, water
fill level selection, or spin speed on cycle selections used to
determine remaining moisture content) that is activated by default on
the wash cycle under test must be included for testing unless the
manufacturer instructions recommend not selecting this option for
washing normally soiled cotton or linen clothes.
The proposed amendments to appendix J2 would add a new section
3.2.7 to address the use of default cycle settings in the same manner
as the modification proposed for appendix J1. DOE believes the new
section 3.2.7 is the most appropriate location for this amendment in
appendix J2 in conjunction with the revised structure of the energy
test cycle definition and flowcharts in appendix J2.
4. Energy Test Cycle Definition and Flowcharts
DOE notes that appendix J1 uses the term ``energy test cycle'' in
two different ways. In some instances, ``energy test cycle'' refers to
the complete set of wash/rinse temperature selections required for
testing. In other instances, ``energy test cycle'' refers to the single
wash cycle under test. DOE does not propose changing its usage of the
term ``energy test cycle'' in appendix J1. In each instance where the
term ``energy test cycle'' is used, the specific meaning of the term
can be determined through context.
In appendix J2, however, DOE proposes to simplify the definition of
the energy test cycle so that it means the complete set of wash/rinse
temperature selections required for testing. The individual wash/rinse
temperature selections required for testing would be determined using a
new methodology as described below. The provisions within parts (D) and
(E) of the current energy test cycle definition would be moved to
sections 3.2.7 and 3.2.8, respectively, which is a more appropriate
location within the test procedure. Additionally, throughout appendix
J2, DOE proposes to provide greater consistency in its usage of the
term ``energy test cycle,'' such that when used, it refers only to the
entire set of wash/rinse temperature selections required for testing.
In instances where the test procedure currently uses the term ``energy
test cycle'' to refer to an individual wash cycle, DOE proposes to use
the generic term ``wash cycle'' or other similar terminology as
appropriate for each instance. DOE also proposes to improve overall
clarity by providing the full wash/rinse temperature designation (e.g.
``Cold wash/Cold rinse'') throughout the test procedure.
In conjunction with the simplified energy test cycle definition,
DOE proposes a new approach to determining the wash/rinse temperature
selections required for testing in appendix J2. DOE proposes to
translate the current methodology for determining the energy test cycle
into a set of flowcharts that testing parties would use to determine
each wash/rinse temperature selection to be used for testing. DOE
believes that the binary nature of each decision box within the
flowcharts would provide increased clarity and ease of use in
determining which wash/rinse temperature settings to use for testing.
DOE proposes to include these flowcharts within newly renumbered
section 2.12 in appendix J2.
Because the proposed flowcharts would incorporate more precise
definitions of warm and cold rinse temperatures, DOE also proposes to
clarify the definition of ``cold rinse'' in appendix J2 so that it
means the coldest rinse temperature available on the machine, as
indicated to the user on the clothes washer control panel. This would
prevent the unintended consequence of a wash/rinse temperature
designation being excluded from the energy test cycle if the rinse
portion of the cycle included a small amount of hot water (thus raising
the rinse temperature slightly higher than the coldest rinse available
on the machine), but was indicated on the control panel as being a cold
rinse paired with the selected wash temperature.
In addition, DOE proposes adding a new definition in appendix J2
for ``Normal cycle,'' which would be defined as: ``Normal cycle means
the cycle selection recommended by the manufacturer as the most common
consumer cycle for washing a full load of normally to heavily soiled
cotton clothing. For machines where multiple cycle settings meet this
description, then the Normal cycle is the cycle selection that results
in the lowest IMEF or MEF value.'' ''. DOE first adopted a similar
definition of ``Normal cycle'' for clothes washer testing in appendix
J, which incorporated the general approach to calculating the energy
consumption of automatic clothes washers contained in AHAM's standard
HLW-2EC for clothes washers at the time. (42 FR 25329, 25330 (May 17,
1977); 42 FR 49802 (September 28, 1977)) Over time, machine labeling
and literature evolved to the point that the term ``normal'' as
previously defined no longer captured all of the control settings most
consumers would typically choose in operating the machine to wash their
laundry. (See, e.g., 75 FR 57556, 57575) Further, the range of cycle
options and terminology on the control panels have changed such that
many machines no longer refer to a ``Normal'' cycle, instead relying
upon other terms. This evolution may have resulted in inaccurate
representations of the energy usage of these machines due to differing
interpretations regarding the appropriate test cycle. In order to add
clarity and ensure consistent selection of the appropriate cycle for
energy testing, DOE is proposing to add the ``Normal cycle'' definition
in newly designated section 1.25 and to reference the term in the new
energy test cycle flowcharts, and DOE will consider manufacturer
literature and markings on the machine when determining the normal
cycle of any particular unit. DOE specifically seeks comment on this
definition and whether it adequately covers the cycle setting most
commonly chosen by users of washing machines.
DOE also proposes to remove the definitions for ``warm rinse'' and
``warm wash'' from section 1 of appendix J2 (Definitions and Symbols),
since those terms would be defined in the proposed flowcharts instead.
Finally, DOE proposes to move the current section 2.13 of appendix
J2, Energy consumption for the purpose of certifying the cycle
selection(s) to be included in Part (B) of the energy test cycle
definition, to newly created section 3.10. Section 3 of appendix J2
(Test Measurements), is a more appropriate location in the test
procedure for these provisions.
[[Page 23067]]
DOE intends for the cycle selections as determined using the new
energy test cycle flowcharts to be the same as the cycle selections as
determined using the current energy test cycle definition in appendix
J2. DOE requests comment on whether discrepancies exist when
determining the wash/rinse temperature selections using the proposed
flowcharts compared to using the current energy test cycle definition.
If discrepancies exist, DOE requests that interested parties provide
specific examples of cycle setting configurations that would lead to
the discrepancies. DOE also requests comment on whether the methodology
presented in the flowcharts could result in an efficiency rating that
is unrepresentative of how a particular clothes washer would be used by
consumers.
F. Wash Time Setting
DOE proposes moving the wash time setting provisions from section
2.10 of appendix J2 to a subsection of newly revised section 3.2.5. The
procedure for setting the wash time must be performed prior to each
individual wash cycle during testing; therefore, the most appropriate
location for this instruction is within the specific testing procedures
provided in section 3.2.
G. Standby and Off Mode Testing
DOE proposes clarifications to the standby and off mode power
testing provisions in appendix J2. In addition to minor wording
clarifications in sections 3.9 and 3.9.1 of appendix J2, the proposed
clarifications are as follows:
1. Testing Sequence
DOE proposes clarifying that combined low-power mode testing in
section 3.9 of appendix J2 be performed after completion of an energy
test cycle, after removing the test load, and without disconnecting the
electrical energy supply to the clothes washer between completion of
the energy test cycle and the start of combined low-power mode testing.
This clarification would preclude performing combined low-power mode
testing directly after connecting the clothes washer to the electrical
energy supply. DOE testing suggests that testing a clothes washer's
standby or off-mode power consumption directly after connecting the
clothes washer to the electrical energy supply may not be
representative of the standby or off-mode power consumption after its
first use. DOE believes this clarification would ensure that the
results of the combined low-power mode testing accurately represent the
conditions most likely to be experienced in a residential setting.
2. Default Settings
DOE proposes clarifying that combined low-power mode testing be
performed without changing the control panel settings used for the
energy test cycle completed prior to combined low-power mode testing.
The test procedure requires using the manufacturer default settings for
any wash cycle performed within the energy test cycle. The proposed
clarification would preclude activating or deactivating any optional
control panel displays or other features not activated by default on
the clothes washer when it is not being used to perform an active mode
wash cycle, during combined low-power mode testing. DOE believes this
clarification would ensure that the results of the combined low-power
mode testing accurately represent the conditions most likely to be
experienced in a residential setting.
3. Multiple Possible Inactive Modes
DOE testing indicates that some residential appliances, including
clothes washers, may have multiple modes that meet the definition of
inactive mode currently provided in section 1.15 of appendix J2
(redesignated section 1.16). DOE proposes clarifying that inactive mode
is the lowest-power standby mode that facilitates the activation of
active mode by remote switch (including remote control), internal
sensor, or timer, or that provides continuous status display.
Specifying use of the lowest-power mode would clarify potential
ambiguity regarding which inactive mode to use for testing if multiple
inactive modes exist on a clothes washer.
H. Fixed Water Fill Control Systems
The load sizes used for testing depend upon the type of water fill
control system available on the clothes washer, as defined in section
2.8 of both appendix J1 and appendix J2. For clothes washers with
manual water fill control systems, the minimum and maximum load sizes
are tested. For clothes washers with adaptive water fill control
systems, the minimum, average, and maximum load sizes are tested.
DOE has become aware of clothes washers that have fixed water
levels for all load sizes and no water fill selector or water fill
control settings available to the user. DOE notes that, as with
adaptive water fill control systems, fixed water fill control systems
do not require user action to determine the water fill level.
Therefore, DOE proposes that a clothes washer with a fixed water fill
control system be tested in the same manner as a clothes washer with an
adaptive water fill control system; i.e., using the minimum, average,
and maximum load sizes.
The proposed amendments would (1) add a definition for ``fixed
water fill control system,'' (2) add a definition for ``automatic water
fill control system,'' which would include both fixed water fill
control systems and adaptive water fill control systems, and (3) amend
the definition of ``adaptive water fill control system'' to clarify
that it is considered a type of automatic water fill control system.
Additionally, where appropriate, instances of ``adaptive water fill
control system'' throughout the test procedure would be replaced with
``automatic water fill control system,'' to indicate that such testing
provisions apply to both adaptive water fill control systems and fixed
water fill control systems. These amendments would apply to both
appendix J1 and appendix J2.
I. Deep Rinse and Spray Rinse Definitions
Section 3.2.2 of appendix J2 states that total water consumption
during the energy test cycle shall be measured, including hot and cold
water consumption, during wash, deep rinse, and spray rinse. As
proposed, the revised section 3.2.8 would specify including the entire
active washing mode, and excluding any delay start or cycle finished
modes, for each wash cycle tested. Active washing mode is defined in
section 1.2 as including the main functions of washing, soaking,
tumbling, agitating, rinsing, and/or removing water from the clothing.
DOE believes that the proposed revision to 3.2.8 provides better
clarity and completeness, compared to the wording in 3.2.2, regarding
the portions of the wash cycle to be included and measured for testing.
Therefore, DOE proposes to delete section 3.2.2 from appendix J2 and to
renumber the subsequent subsections accordingly.
Furthermore, since section 3.2.2 is the only location within the
test procedure where the terms ``deep rinse'' and ``spray rinse''
occur, DOE also proposes to remove those two definitions from the
section 1 of appendix J2.
J. Uniformly Distributed Warm Wash Temperatures
Section 1.17 of appendix J1 and section 1.32 of appendix J2 provide
the definition of uniformly distributed warm wash temperature
selections. A clothes washer has uniformly distributed warm wash
temperature selections if (A) the warm wash temperatures have a linear
relationship with all discrete warm wash selections
[[Page 23068]]
when the water temperatures are plotted against equally spaced
consecutive warm wash selections between the hottest warm wash and the
coldest warm wash, and the mean water temperature of the warmest and
the coldest warm selections coincide with the mean of the hot wash and
cold wash water temperatures within 3.8[emsp14][deg]F; or
(B) on a clothes washer with only one warm wash temperature selection,
the warm wash temperature selection has a water temperature that
coincides with the mean of the hot wash and cold wash water
temperatures within 3.8[emsp14][deg]F. For clothes washers
with uniformly distributed warm wash temperature selections, the
reported values to be used for the warm wash setting are the arithmetic
average of the measurements for the hot and cold wash selections. This
is a ``shortcut'' calculation only; no testing is required.
DOE notes that the criteria for determining whether the warm wash
temperatures are uniformly distributed are based on water temperature
only; total water consumption is not considered. On a clothes washer
with electronic control systems, a clothes washer's warm wash cycles
could be programmed to use larger quantities of water than the cold
wash and hot wash cycles, yet the data to be used to represent the warm
wash cycle would be the average of the cold and hot wash cycles, rather
than actual data from testing. Since the warm wash temperature
selection has the highest temperature use factor at 0.49, DOE proposes
that the warm wash temperature selection(s) on such a clothes washer be
tested. Therefore, DOE proposes to remove the definition of uniformly
distributed warm wash temperature selections from both appendix J1 and
appendix J2, and to remove any provisions within the test procedures
pertaining to uniformly distributed warm wash temperature selections.
DOE requests comment on any potential increase in test burden as
result of its proposal to eliminate the separate testing provisions for
clothes washers with uniformly distributed warm wash temperatures. DOE
estimates that the resulting total testing time would be no greater
than for clothes washers with the same number of warm wash temperature
options, but with non-uniformly distributed temperatures, which DOE
observes constitutes the majority of the market.
K. Determining Extra Hot Wash Temperature
Section 3.3 of both appendix J1 and appendix J2 defines Extra Hot
Wash as having a maximum wash temperature greater than
135[emsp14][deg]F. Determining the maximum wash temperature requires
measuring the water temperature during the wash cycle to determine the
maximum wash temperature achieved. DOE understands that, in practice,
measuring the wash water temperature can be difficult due to factors
such as the geometry of front-loading tub design; the increasing use of
door locks; and, in high-efficiency clothes washers, the lack of a
standing pool of wash water from which to measure the temperature.
DOE proposes adding a statement to section 3.3 of both appendix J1
and appendix J2 to provide guidance on one possible method that testing
parties could use to determine the maximum wash water temperature. In
the proposed method, testing parties would adhere non-reversible
temperature indicator labels to the inside of the clothing container to
determine the maximum water temperature during an energy test cycle. If
a testing party used the temperature indicator label method when
testing a front-loading clothes washer, the label would be adhered
along the inner circumference of the clothes container drum, midway
between the front and the back of the clothes container. For a top-
loading clothes washer, the label would be adhered along the inner
circumference of the clothes container drum, as close to the bottom of
the container as possible.
Manufacturers may be able to use alternate methods for determining
the maximum wash temperature during an energy test cycle; however, DOE
is unaware of any other direct measurement methods that could be safely
used by a third-party laboratory without requiring partial disassembly
of the clothes washer or without permanently altering the machine.
L. Gas-Heated and Oil-Heated Hot Water Energy
Section 4.1.4 of both appendix J1 and appendix J2 provides
equations for calculating per-cycle hot water energy consumption using
gas-heated or oil-heated water. The result of this calculation is not
used in any downstream calculations within the test procedure. The
calculated result is referenced within 10 CFR 430.23(j)(1)(i)(B) and
(ii)(B); however, these values are not included as part of DOE's
certification requirements for clothes washers in 10 CFR 429.20 and
429.46, nor are they required for other DOE regulatory purposes. DOE is
unaware of any other regulatory programs that require the calculation
of per-cycle hot water energy using gas- or oil-heated water for
clothes washers. Therefore, DOE proposes to remove section 4.1.4 from
both appendix J1 and appendix J2, and to remove the related sections of
10 CFR 430.23(j)(1)(i)(B) and (ii)(B), adjusting the subsequent section
numberings accordingly.
M. Out-of-Balance Loads
DOE has observed that some clothes washers may terminate the wash
cycle prematurely if an out-of-balance condition is detected. Because
the test procedure defines an energy test cycle as including the
agitation/tumble operation, spin speed(s), wash times, and rinse times
applicable to each cycle, the data from a wash cycle that terminates
prematurely if an out-of-balance condition is detected, and thus does
not include these required elements, should be discarded. The proposed
amendments provide this clarification to section 3.2 of appendix J1 and
a new section 3.2.9 of appendix J2.
N. Reordering of Section 2, Testing Conditions
DOE proposes to reorder the subsections within section 2 of
appendix J2 (Testing Conditions) to improve the clarity and overall
flow of the section. After reordering, the general progression of
section 2 would be as follows:
Laboratory infrastructure requirements
Instrumentation requirements
Test cloth requirements
Test load composition and handling
Clothes washer installation and preconditioning procedures
Energy test cycle determination
O. Table 3.2 Edits
Table 3.2 in both appendix J1 and appendix J2 defines the sections
within the test procedure that govern the tests of particular clothes
washers, based on the number of wash/rinse temperature selections
available on the model. DOE proposes to clarify one of the headings in
Table 3.2 of appendix J1. The proposal would amend the current heading,
``Number of wash temp. selections'' to ``Number of wash temp.
selections in the energy test cycle.'' In addition, Table 3.2 in
appendix J1 contains a typographical error in the second footnote: the
word ``heating'' is misspelled. Today's proposal corrects this error.
DOE proposes simplifying the overall structure of Table 3.2 in
appendix J2 (renumbered 3.2.2) by using the clarified wash/rinse
temperature nomenclature within the revised energy
[[Page 23069]]
test cycle definition and flowcharts. DOE does not intend for any of
the required test sections to change as a result of the proposed
revisions to the table.
P. Table 4.1.1 Edits
Table 4.1.1 in appendix J2 provides the temperature use factors.
DOE proposes improving the clarity of the overall structure of Table
4.1.1 in appendix J2 by reorganizing the columns in the table to more
closely match the wash/rinse temperature nomenclature within the
revised energy test cycle definition and flowcharts. DOE does not
intend for any of the temperature use factors to change as a result of
the proposed revisions to the table.
Q. Table 2.8 Edits
In the March 2012 final rule, Table 2.8 in appendix J2 (``Test Load
Sizes and Water Fill Settings Required'') contained a formatting error
that combined the average and minimum test load sizes into a single row
for clothes washers with an adaptive water fill control system. DOE did
not intend to amend the test load sizes required for clothes washers
with an adaptive water fill control system. Today's proposal amends the
layout of Table 2.8 in both appendix J1 and appendix J2 to improve its
overall clarity. As described above, DOE has also proposed changing the
heading of the relevant column to ``automatic water fill control
system'' rather than ``adaptive water fill control system''.
R. Replacing ``Consumer'' With ``User''
Both appendix J1 and appendix J2 refer to the ``consumer'' in
various parts of the test procedures. In each instance, the word
``consumer'' refers to the individual using the clothes washer. DOE
notes that the word ``consumer'' may be misconstrued as the original
purchaser or owner of the clothes washer. In some cases, particularly
coin-operated laundries and multi-family housing common laundry rooms,
the purchaser or owner of the clothes washer is not the end user of the
clothes washer.
The distinction between the owner and the end user may be relevant
to the test procedure if certain settings, such as water fill levels,
may be customized by the owner of the clothes washer but are not
adjustable by the end user. To prevent any possible ambiguity implied
by the word ``consumer,'' DOE proposes to replace the word ``consumer''
with ``user'' or ``end user'' throughout the test procedure in all
instances where the word ``consumer'' is currently used.
S. Introductory Text
DOE proposes revising the introductory text after the appendix
headings in both appendix J1 and appendix J2 to clarify the proper use
of appendices J1 and J2 for making representations of energy
efficiency, including certifying compliance with DOE energy
conservation standards.
DOE test procedures for clothes washers are set forth in appendices
J1 and J2 in 10 CFR Part 430 subpart B. This proposal describes
amendments to both appendices. Pursuant to 42 U.S.C. 6293(c),
manufacturers must make representations of energy efficiency using any
amendments DOE adopts in a final test procedure rule beginning 180 days
after the effective date of such rule. Therefore, beginning 180 days
after the effective date of any final amendments based on today's
proposals, manufacturers must make representations of energy efficiency
pursuant to appendix J1 or appendix J2 as modified through such
amendments.
In addition, as of March 7, 2015, manufacturers of residential
clothes washers will no longer be authorized to use appendix J1.
Residential clothes washer manufacturers must use appendix J2, as
modified though any amendments that DOE may adopt based on today's
proposal, to demonstrate compliance with the standards and make any
representations of energy efficiency as of March 7, 2015. March 7, 2015
is the compliance date of the amended energy conservation standards
that address standby and off mode energy consumption for residential
clothes washers. 77 FR 32308 (May 31, 2012) and 77 FR 59719 (October 1,
2012).
T. Test Procedure Provisions in 10 CFR 430.23
DOE proposes revising section 430.23(j)(3) to contain only the
provisions for calculating annual water consumption when using either
appendix J1 or appendix J2. The proposed amendments would add a new
section 430.23(j)(4), which would contain the provisions for
determining water factor and integrated water factor.
The proposed amendments would also create a new section
430.23(j)(5) that would contain the following statement: ``Other useful
measures of energy consumption for automatic or semi-automatic clothes
washers shall be those measures of energy consumption that the
Secretary determines are likely to assist consumers in making
purchasing decisions and that are derived from the application of
appendix J1 or appendix J2, as appropriate.'' This statement is
currently contained in section 430.23(j)(3). Moving the statement to a
dedicated subsection would maintain consistency with DOE's test
procedure provisions for other products within 10 CFR Part 430. DOE
notes that the measurement or reporting of any additional measures of
energy or water consumption would be adopted through the rulemaking
process.
Finally, to eliminate any potential ambiguity, the proposed
amendments would replace the phrase ``can be determined'' with ``must
be determined'' throughout the text of 10 CFR 430.23(j)(3) through
(j)(5).
U. Reporting and Verification Requirements
1. Remaining Moisture Content
DOE has observed the potential for significant variation in the RMC
measurement at the maximum spin speed setting on some clothes washer
models. During testing of front-loading clothes washer models, DOE
observed that the maximum target spin speed may not be achieved during
the final spin portion of the cycle if the load size is not evenly
distributed around the circumference of the wash drum. DOE believes
that in such cases, the spin speed may be automatically reduced as a
safety precaution and to prevent damage to the clothes washer caused by
the asymmetric rotation of the unbalanced load within the wash basket.
Figure III.1 shows an example of RMC test data obtained from one
front-loading residential clothes washer model. DOE performed the RMC
measurement using the cold wash cycle at the maximum available spin
speed setting. The RMC measurement was performed a total of twelve
times using three different test cloth lots. The corrected RMC
measurement \2\ varied between 32.3 percent and 46.2 percent, with an
average of 37.0 percent. DOE has observed similar variations of this
magnitude on multiple front-loading clothes washer models.
---------------------------------------------------------------------------
\2\ Corrected RMC measurements are obtained using the test cloth
correction factors developed for each test cloth lot, as applied in
section 2.6.7 of appendix J1 and appendix J2. DOE publishes a list
of the test cloth correction factors developed for test cloth Lots 5
through 20 at http://www2.eere.energy.gov/buildings/appliance_standards/residential/clothes_washer_test_cloth_correction.html.
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[[Page 23070]]
[GRAPHIC] [TIFF OMITTED] TP25AP14.014
The RMC measurement is used to determine the per-cycle energy
consumption for removal of moisture from the test load; i.e., the
``drying energy'' portion of the MEF and Integrated Modified Energy
Factor (IMEF) calculations. The drying energy represents between 59 and
87 percent of a clothes washer's total energy consumption; \3\ hence,
the RMC measurement significantly impacts the overall MEF and IMEF
calculations. For example, the level of RMC variation shown in Figure
III.1 would lead to a 25 percent variation in the overall MEF
calculation.
---------------------------------------------------------------------------
\3\ Percentages derived from Table 7.2.1 and 7.2.2 in the May
31, 2012 direct final rule technical support document for the
residential clothes washer energy conservations standards
rulemaking, available at http://www.regulations.gov/#!documentDetail;D=EERE-2008-BT-STD-0019-0047.
---------------------------------------------------------------------------
In today's rule, DOE proposes adding a new section 3.8.5 in both
appendix J1 and appendix J2 to specify that manufacturers may perform
up to two additional replications of the RMC measurement, for a total
of three independent RMC measurements for the tested unit, and use the
average of the three measurements as the basis for the calculation of
per-cycle energy consumption for removal of moisture from the test
load.
DOE also proposes to add the RMC measurement to the list of public
product-specific information contained in the certification reports for
residential clothes washers, as described in 10 CFR 429.20(b)(2)(i) and
(ii). DOE also proposes in newly created 10 CFR 429.20(a)(4) that the
certified RMC value of any clothes washer basic model shall be the mean
of the final RMC value measured for all tested units of the basic
model.
Finally, DOE proposes to add provisions in newly created section 10
CFR 429.134(c)(1) specifying that during assessment or enforcement
testing, the measured RMC value of a tested unit will be considered the
tested unit's final RMC value if the measured RMC value is within two
RMC percentage points of the certified RMC value of the basic model
(expressed as a percentage), or if the measured RMC value is lower than
the certified RMC value. DOE proposes a threshold of two RMC percentage
points because such a variation would limit the variation in the
overall MEF or IMEF calculation to roughly five percent.
If the measured RMC value of a tested unit is more than two RMC
percentage points higher than the certified RMC value of the basic
model, DOE will perform two additional replications of the RMC
measurement, each pursuant to the provisions of newly added section
3.8.5 of appendix J1 and appendix J2, for a total of three independent
RMC measurements of the tested unit. The average of the three RMC
measurements will be considered the tested unit's final RMC value and
will be used as the basis for the calculation of per-cycle energy
consumption for removal of moisture from the test load for that unit.
2. Rounding Requirements for All Reported Values
DOE proposes adding a new section at 10 CFR 429.20(c) to specify
the rounding requirements of all reported values for residential
clothes washers as follows: MEF and IMEF to the nearest 0.01 cu ft/kWh/
cycle, WF and IWF to the nearest 0.1 gal/cycle/cu ft, RMC to the
nearest 0.1 percentage point, and clothes container capacity to the
nearest 0.1 cu ft.
3. Energy Test Cycle Selections
As amended by the March 2012 final rule, 10 CFR 429.20(b)(3)
requires certification reports based on testing conducted in accordance
with appendix J2 to include a list of all cycle selections comprising
the complete energy test cycle for each basic model. DOE believes that
this reporting requirement should also pertain when appendix J1 is
used, particularly due to the difference in wording of the energy test
cycle definition in appendix J1. Therefore, DOE proposes to amend 10
CFR 429.20(b)(3) to require a list of all cycle selections comprising
the complete energy test cycle for each basic model, regardless of
whether the certification is based on testing conducted in accordance
with appendix J1 or appendix J2.
IV. Procedural Issues and Regulatory Review
A. Review Under Executive Order 12866
The Office of Management and Budget has determined that test
procedure
[[Page 23071]]
rulemakings do not constitute ``significant regulatory actions'' under
section 3(f) of Executive Order 12866, Regulatory Planning and Review,
58 FR 51735 (Oct. 4, 1993). Accordingly, this action was not subject to
review under the Executive Order by the Office of Information and
Regulatory Affairs (OIRA) in the Office of Management and Budget (OMB).
B. Review Under the Regulatory Flexibility Act
The Regulatory Flexibility Act (5 U.S.C. 601 et seq.) requires
preparation of a regulatory flexibility analysis (IFRA) for any rule
that by law must be proposed for public comment, unless the agency
certifies that the rule, if promulgated, will not have a significant
economic impact on a substantial number of small entities. As required
by Executive Order 13272, ``Proper Consideration of Small Entities in
Agency Rulemaking,'' 67 FR 53461 (August 16, 2002), DOE published
procedures and policies on February 19, 2003, to ensure that the
potential impacts of its rules on small entities are properly
considered during the DOE rulemaking process. 68 FR 7990. DOE has made
its procedures and policies available on the Office of the General
Counsel's Web site: http://energy.gov/gc/office-general-counsel.
DOE reviewed today's proposed rule under the provisions of the
Regulatory Flexibility Act and the procedures and policies published on
February 19, 2003. Today's NOPR would amend DOE's test procedure by
codifying guidance interpreting DOE's existing regulations, providing
further clarifying interpretation of the relevant test procedure
provisions, correcting formatting errors, providing improved overall
organization, and removing certain testing provisions within the
current test procedures. DOE has concluded that the rule would not have
a significant impact on a substantial number of small entities. The
factual basis for this certification is as follows:
The Small Business Administration (SBA) considers a business entity
to be a small business, if, together with its affiliates, it employs
less than a threshold number of workers specified in 13 CFR Part 121.
These size standards and codes are established by the 2007 North
American Industry Classification System (NAICS). The threshold number
for NAICS classification code 335224, which applies to household
laundry equipment manufacturers and includes residential clothes washer
manufacturers, is 1,000 employees. Searches of the SBA Web site \4\ to
identify clothes washer manufacturers within this NAICS code identified
one small business. This small business manufactures laundry
appliances, including residential clothes washers.
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\4\ A searchable database of certified small businesses is
available online at: http://dsbs.sba.gov/dsbs/search/dsp_dsbs.cfm.
---------------------------------------------------------------------------
DOE estimates that the clarified description of the capacity
measurement would take the same amount of time to conduct as the
capacity measurement analyzed in the March 2012 final rule. DOE
believes that use of an alternate bracing method for front-loading
clothes washers that do not contain shipping bolts or other bracing
hardware is already current practice among manufacturers of such
clothes washers. Additionally, DOE notes that the identified small
business produces only a single platform of top-loading clothes
washers, for which the proposed alternate bracing method would not be
applicable.
Regarding the potential increased testing burden associated with
maintaining a five degree tolerance on supply water temperatures for
clothes washers in which electrical energy consumption or water energy
consumption are affected by the inlet water temperature. One method for
achieving this temperature tolerance would be to use electronically
controlled water mixing valves on both the cold and hot water supply
lines. DOE estimates a capital cost of approximately $2,500 for
installing electronically controlled water mixing valves on a single
test stand. DOE notes that the identified small business currently does
not manufacturer this type of clothes washer; therefore, DOE does not
expect this proposed amendment to require any changes to the testing
hardware currently used by the small business.
DOE does not expect any of the clarifications to the energy test
cycle definition or the standby and off mode measurements to affect the
total length of testing time. Regarding any potential increase in test
burden as a result of its proposal to eliminate the separate testing
provisions for clothes washers with uniformly distributed warm wash
temperatures. DOE notes that the total testing time would be no greater
than for clothes washers with the same number of warm wash temperature
options, but with non-uniformly distributed temperatures, which DOE
observes constitutes the majority of the market. DOE also notes that
the clothes washers manufactured by the identified small business do
not contain uniformly distributed warm wash temperatures, and thus the
small business will not be affected by the proposed amendment.
Finally, the remaining proposed changes in today's NOPR are
intended to clarify the existing test methods without adding any
additional requirements and therefore would not result in additional
burden.
For the reasons stated above, DOE certifies that the proposed test
procedure amendments would not have a significant impact on a
substantial number of small entities. DOE will submit a certification
and supporting statement of factual basis to the Chief Counsel for
Advocacy of the SBA for review under 5 U.S.C. 605(b).
C. Review Under the Paperwork Reduction Act of 1995
Manufacturers of residential clothes washers must certify to DOE
that their products comply with any applicable energy conservation
standards. In certifying compliance, manufacturers must test their
products according to the DOE test procedures for clothes washers,
including any amendments adopted for those test procedures. DOE has
established regulations for the certification and recordkeeping
requirements for all covered consumer products and commercial
equipment, including residential clothes washers. (76 FR 12422 (March
7, 2011). The collection-of-information requirement for the
certification and recordkeeping is subject to review and approval by
OMB under the Paperwork Reduction Act (PRA). This requirement has been
approved by OMB under OMB control number 1910-1400. Public reporting
burden for the certification is estimated to average 20 hours per
response, including the time for reviewing instructions, searching
existing data sources, gathering and maintaining the data needed, and
completing and reviewing the collection of information.
Notwithstanding any other provision of the law, no person is
required to respond to, nor shall any person be subject to a penalty
for failure to comply with, a collection of information subject to the
requirements of the PRA, unless that collection of information displays
a currently valid OMB Control Number.
D. Review Under the National Environmental Policy Act of 1969
In this proposed rule, DOE proposes test procedure amendments that
it expects will be used to develop and implement future energy
conservation standards for residential clothes washers. DOE has
determined that this rule falls into a class of actions that are
categorically excluded from review
[[Page 23072]]
under the National Environmental Policy Act of 1969 (42 U.S.C. 4321 et
seq.) and DOE's implementing regulations at 10 CFR Part 1021.
Specifically, this proposed rule would amend the existing test
procedures without affecting the amount, quality or distribution of
energy usage, and, therefore, would not result in any environmental
impacts. Thus, this rulemaking is covered by Categorical Exclusion A5
under 10 CFR Part 1021, subpart D, which applies to any rulemaking that
interprets or amends an existing rule without changing the
environmental effect of that rule. Accordingly, neither an
environmental assessment nor an environmental impact statement is
required.
E. Review Under Executive Order 13132
Executive Order 13132, ``Federalism,'' 64 FR 43255 (August 4, 1999)
imposes certain requirements on agencies formulating and implementing
policies or regulations that preempt State law or that have Federalism
implications. The Executive Order requires agencies to examine the
constitutional and statutory authority supporting any action that would
limit the policymaking discretion of the States and to carefully assess
the necessity for such actions. The Executive Order also requires
agencies to have an accountable process to ensure meaningful and timely
input by State and local officials in the development of regulatory
policies that have Federalism implications. On March 14, 2000, DOE
published a statement of policy describing the intergovernmental
consultation process it will follow in the development of such
regulations. 65 FR 13735. DOE examined this proposed rule and
determined that it will not have a substantial direct effect on the
States, on the relationship between the national government and the
States, or on the distribution of power and responsibilities among the
various levels of government. EPCA governs and prescribes Federal
preemption of State regulations as to energy conservation for the
products that are the subject of today's proposed rule. States can
petition DOE for exemption from such preemption to the extent, and
based on criteria, set forth in EPCA. (42 U.S.C. 6297(d)) No further
action is required by Executive Order 13132.
F. Review Under Executive Order 12988
Regarding the review of existing regulations and the promulgation
of new regulations, section 3(a) of Executive Order 12988, ``Civil
Justice Reform,'' 61 FR 4729 (Feb. 7, 1996), imposes on Federal
agencies the general duty to adhere to the following requirements: (1)
Eliminate drafting errors and ambiguity; (2) write regulations to
minimize litigation; (3) provide a clear legal standard for affected
conduct rather than a general standard; and (4) promote simplification
and burden reduction. Section 3(b) of Executive Order 12988
specifically requires that Executive agencies make every reasonable
effort to ensure that the regulation: (1) Clearly specifies the
preemptive effect, if any; (2) clearly specifies any effect on existing
Federal law or regulation; (3) provides a clear legal standard for
affected conduct while promoting simplification and burden reduction;
(4) specifies the retroactive effect, if any; (5) adequately defines
key terms; and (6) addresses other important issues affecting clarity
and general draftsmanship under any guidelines issued by the Attorney
General. Section 3(c) of Executive Order 12988 requires Executive
agencies to review regulations in light of applicable standards in
sections 3(a) and 3(b) to determine whether they are met or it is
unreasonable to meet one or more of them. DOE has completed the
required review and determined that, to the extent permitted by law,
this proposed rule meets the relevant standards of Executive Order
12988.
G. Review Under the Unfunded Mandates Reform Act of 1995
Title II of the Unfunded Mandates Reform Act of 1995 (UMRA)
requires each Federal agency to assess the effects of Federal
regulatory actions on State, local, and Tribal governments and the
private sector. Public Law 104-4, sec. 201 (codified at 2 U.S.C. 1531).
For a proposed regulatory action likely to result in a rule that may
cause the expenditure by State, local, and Tribal governments, in the
aggregate, or by the private sector of $100 million or more in any one
year (adjusted annually for inflation), section 202 of UMRA requires a
Federal agency to publish a written statement that estimates the
resulting costs, benefits, and other effects on the national economy.
(2 U.S.C. 1532(a), (b)) The UMRA also requires a Federal agency to
develop an effective process to permit timely input by elected officers
of State, local, and Tribal governments on a proposed ``significant
intergovernmental mandate,'' and requires an agency plan for giving
notice and opportunity for timely input to potentially affected small
governments before establishing any requirements that might
significantly or uniquely affect small governments. On March 18, 1997,
DOE published a statement of policy on its process for
intergovernmental consultation under UMRA. 62 FR 12820; also available
at http://energy.gov/gc/office-general-counsel. DOE examined today's
proposed rule according to UMRA and its statement of policy and
determined that the proposal contains neither an intergovernmental
mandate, nor a mandate that may result in the expenditure of $100
million or more in any year, so these requirements do not apply.
H. Review Under the Treasury and General Government Appropriations Act,
1999
Section 654 of the Treasury and General Government Appropriations
Act, 1999 (Pub. L. 105-277) requires Federal agencies to issue a Family
Policymaking Assessment for any rule that may affect family well-being.
This rule would not have any impact on the autonomy or integrity of the
family as an institution. Accordingly, DOE has concluded that it is not
necessary to prepare a Family Policymaking Assessment.
I. Review Under Executive Order 12630
DOE has determined, under Executive Order 12630, ``Governmental
Actions and Interference with Constitutionally Protected Property
Rights'' 53 FR 8859 (March 18, 1988), that this regulation would not
result in any takings that might require compensation under the Fifth
Amendment to the U.S. Constitution.
J. Review Under Treasury and General Government Appropriations Act,
2001
Section 515 of the Treasury and General Government Appropriations
Act, 2001 (44 U.S.C. 3516 note) provides for agencies to review most
disseminations of information to the public under guidelines
established by each agency pursuant to general guidelines issued by
OMB. OMB's guidelines were published at 67 FR 8452 (Feb. 22, 2002), and
DOE's guidelines were published at 67 FR 62446 (Oct. 7, 2002). DOE has
reviewed today's proposed rule under the OMB and DOE guidelines and has
concluded that it is consistent with applicable policies in those
guidelines.
K. Review Under Executive Order 13211
Executive Order 13211, ``Actions Concerning Regulations That
Significantly Affect Energy Supply, Distribution, or Use,'' 66 FR 28355
(May 22, 2001), requires Federal agencies to prepare and submit to OMB,
a Statement of Energy Effects for any proposed significant energy
action. A ``significant energy action'' is defined as
[[Page 23073]]
any action by an agency that promulgated or is expected to lead to
promulgation of a final rule, and that: (1) Is a significant regulatory
action under Executive Order 12866, or any successor order; and (2) is
likely to have a significant adverse effect on the supply,
distribution, or use of energy; or (3) is designated by the
Administrator of OIRA as a significant energy action. For any proposed
significant energy action, the agency must give a detailed statement of
any adverse effects on energy supply, distribution, or use should the
proposal be implemented, and of reasonable alternatives to the action
and their expected benefits on energy supply, distribution, and use.
Today's regulatory action to amend the test procedure for measuring
the energy efficiency of residential clothes washers is not a
significant regulatory action under Executive Order 12866. Moreover, it
would not have a significant adverse effect on the supply,
distribution, or use of energy, nor has it been designated as a
significant energy action by the Administrator of OIRA. Therefore, it
is not a significant energy action, and, accordingly, DOE has not
prepared a Statement of Energy Effects.
L. Review Under Section 32 of the Federal Energy Administration Act of
1974
Under section 301 of the Department of Energy Organization Act
(Pub. L. 95-91; 42 U.S.C. 7101), DOE must comply with section 32 of the
Federal Energy Administration Act of 1974, as amended by the Federal
Energy Administration Authorization Act of 1977. (15 U.S.C. 788; FEAA)
Section 32 essentially provides in relevant part that, where a proposed
rule authorizes or requires use of commercial standards, the notice of
proposed rulemaking must inform the public of the use and background of
such standards. In addition, section 32(c) requires DOE to consult with
the Attorney General and the Chairman of the Federal Trade Commission
(FTC) concerning the impact of the commercial or industry standards on
competition. DOE is not requiring the use of any new commercial
standards in this rulemaking, so these requirements do not apply.
V. Public Participation
A. Submission of Comments
DOE will accept comments, data, and information regarding this
proposed rule no later than the date provided in the DATES section at
the beginning of this proposed rule. Interested parties may submit
comments using any of the methods described in the ADDRESSES section at
the beginning of this NOPR.
Submitting comments via regulations.gov. The regulations.gov Web
page will require you to provide your name and contact information.
Your contact information will be viewable to DOE Building Technologies
staff only. Your contact information will not be publicly viewable
except for your first and last names, organization name (if any), and
submitter representative name (if any). If your comment is not
processed properly because of technical difficulties, DOE will use this
information to contact you. If DOE cannot read your comment due to
technical difficulties and cannot contact you for clarification, DOE
may not be able to consider your comment.
However, your contact information will be publicly viewable if you
include it in the comment or in any documents attached to your comment.
Any information that you do not want to be publicly viewable should not
be included in your comment, nor in any document attached to your
comment. Persons viewing comments will see only first and last names,
organization names, correspondence containing comments, and any
documents submitted with the comments.
Do not submit to regulations.gov information for which disclosure
is restricted by statute, such as trade secrets and commercial or
financial information (hereinafter referred to as Confidential Business
Information (CBI)). Comments submitted through regulations.gov cannot
be claimed as CBI. Parties who submit comments through the Web site
will waive any CBI claims for the information submitted. For
information on submitting CBI, see the Confidential Business
Information section.
DOE processes submissions made through regulations.gov before
posting. Normally, comments will be posted within a few days of being
submitted. However, if large volumes of comments are being processed
simultaneously, your comment may not be viewable for up to several
weeks. Please keep the comment tracking number that regulations.gov
provides after you have successfully uploaded your comment.
Submitting comments via email, hand delivery, or mail. Comments and
documents submitted via email, hand delivery, or mail also will be
posted to regulations.gov. If you do not want your personal contact
information to be publicly viewable, do not include it in your comment
or any accompanying documents. Instead, provide your contact
information on a cover letter. Include your first and last names, email
address, telephone number, and optional mailing address. The cover
letter will not be publicly viewable as long as it does not include any
comments.
Include contact information each time you submit comments, data,
documents, and other information to DOE. If you submit via mail or hand
delivery, please provide all items on a CD, if feasible. It is not
necessary to submit printed copies. No facsimiles (faxes) will be
accepted.
Comments, data, and other information submitted to DOE
electronically should be provided in PDF (preferred), Microsoft Word or
Excel, WordPerfect, or text (ASCII) file format. Provide documents that
are not secured, written in English and free of any defects or viruses.
Documents should not contain special characters or any form of
encryption and, if possible, they should carry the electronic signature
of the author.
Campaign form letters. Please submit campaign form letters by the
originating organization in batches of between 50 to 500 form letters
per PDF or as one form letter with a list of supporters' names compiled
into one or more PDFs. This reduces comment processing and posting
time.
Confidential Business Information. According to 10 CFR 1004.11, any
person submitting information that he or she believes to be
confidential and exempt by law from public disclosure should submit via
email, postal mail, or hand delivery two well-marked copies: one copy
of the document marked confidential including all the information
believed to be confidential, and one copy of the document marked non-
confidential with the information believed to be confidential deleted.
Submit these documents via email or on a CD, if feasible. DOE will make
its own determination about the confidential status of the information
and treat it according to its determination.
Factors of interest to DOE when evaluating requests to treat
submitted information as confidential include: (1) A description of the
items; (2) whether and why such items are customarily treated as
confidential within the industry; (3) whether the information is
generally known by or available from other sources; (4) whether the
information has previously been made available to others without
obligation concerning its confidentiality; (5) an explanation of the
competitive injury to the submitting person that would result from
public disclosure; (6) when such information might lose its
confidential character due to the passage of time; and
[[Page 23074]]
(7) why disclosure of the information would be contrary to the public
interest.
It is DOE's policy that all comments may be included in the public
docket, without change and as received, including any personal
information provided in the comments (except information deemed to be
exempt from public disclosure).
B. Issues on Which DOE Seeks Comment
Although DOE welcomes comments on any aspect of this proposal, DOE
is particularly interested in receiving comments and views of
interested parties concerning the following issues:
(1) The normal cycle definition and whether it adequately covers
the cycle setting most commonly chosen by users of washing machines;
(2) The potential test burden associated with maintaining a
tolerance of five degrees on the hot and cold water supply temperature
ranges for clothes washers in which electrical energy and water energy
consumption are affected by the inlet water temperature;
(3) The potential increase in test burden associated with removing
the separate testing provisions for clothes washers with uniformly
distributed warm wash temperatures.
(4) Whether any discrepancies exist when determining the wash/rinse
temperature selections comprising the energy test cycle in appendix J2
using the proposed flowcharts compared to using the current energy test
cycle definition (and, if so, specific examples of cycle setting
configurations that would lead to the discrepancies); and
(5) Whether the methodology presented in the energy test cycle
flowcharts in appendix J2 could result in an efficiency rating
unrepresentative of how a particular clothes washer would be used by
consumers.
VI. Approval of the Office of the Secretary
The Secretary of Energy has approved publication of this proposed
rule.
List of Subjects
10 CFR Part 429
Administrative practice and procedure, Energy conservation,
Household appliances, Reporting and recordkeeping requirements.
10 CFR Part 430
Administrative practice and procedure, Energy conservation,
Household appliances.
Issued in Washington, DC, on April 11, 2014.
Kathleen B. Hogan,
Deputy Assistant Secretary for Energy Efficiency, Energy Efficiency and
Renewable Energy.
For the reasons stated in the preamble, DOE is proposing to amend
parts 429 and 430 of Chapter II of Title 10, Code of Federal
Regulations as set forth below:
PART 429--CERTIFICATION, COMPLIANCE, AND ENFORCEMENT FOR CONSUMER
PRODUCTS AND COMMERCIAL AND INDUSTRIAL EQUIPMENT
0
1. The authority citation for part 429 continues to read as follows:
Authority: 42 U.S.C. 6291-6317.
0
2. Section 429.20 is amended by:
0
a. Adding paragraphs (a)(3), (a)(4), and (c); and
0
b. Revising paragraphs (b)(2)(i), (b)(2)(ii), and (b)(3).
The revisions and additions read as follows:
Sec. 429.20 Residential clothes washers.
(a) * * *
(3) The capacity of a basic model reported in accordance with
paragraph (b)(2) of this section shall be the mean of the measured
clothes container capacity, C, of all tested units of the basic model.
(4) The remaining moisture content (RMC) of a basic model reported
in accordance with paragraph (b)(2) of this section shall be the mean
of the final RMC value measured for all tested units of the basic
model.
(b) * * *
(2) * * *
(i) For residential clothes washers tested in accordance with
Appendix J1: The modified energy factor (MEF) in cubic feet per
kilowatt hour per cycle (cu ft/kWh/cycle), the capacity in cubic feet
(cu ft), and the corrected remaining moisture content (RMC) expressed
as a percentage. For standard-size residential clothes washers, a water
factor (WF) in gallons per cycle per cubic foot (gal/cycle/cu ft).
(ii) For residential clothes washers tested in accordance with
Appendix J2: The integrated modified energy factor (IMEF) in cu ft/kWh/
cycle, the integrated water factor (IWF) in gal/cycle/cu ft, the
capacity in cu ft, the corrected remaining moisture content (RMC)
expressed as a percentage, and the type of loading (top-loading or
front-loading).
(3) Pursuant to Sec. 429.12(b)(13), a certification report shall
include the following additional product-specific information: a list
of all cycle selections comprising the complete energy test cycle for
each basic model.
(c) Reported values. Values reported pursuant to this subsection
must be rounded as follows: MEF and IMEF to the nearest 0.01 cu ft/kWh/
cycle, WF and IWF to the nearest 0.1 gal/cycle/cu ft, RMC to the
nearest 0.1 percentage point, and clothes container capacity to the
nearest 0.1 cu ft.
0
3. Section 429.134 is added to read as follows:
Sec. 429.134 Product-specific enforcement provisions.
(a) General. The following provisions apply to assessment and
enforcement testing of the relevant products.
(b) Reserved.
(c) Clothes washers. (1) Determination of Remaining Moisture
Content. The procedure for determining remaining moisture content (RMC)
will be performed once in its entirety, pursuant to the test
requirements of section 3.8 of appendix J1 and appendix J2 to subpart B
of part 430, for each unit tested.
(i) The measured RMC value of a tested unit will be considered the
tested unit's final RMC value if the measured RMC value is within two
RMC percentage points of the certified RMC value of the basic model
(expressed as a percentage), or is lower than the certified RMC value.
(ii) If the measured RMC value of a tested unit is more than two
RMC percentage points higher than the certified RMC value of the basic
model, DOE will perform two additional replications of the RMC
measurement procedure, each pursuant to the provisions of section 3.8.5
of appendix J1 and appendix J2 to subpart B of part 430, for a total of
three independent RMC measurements of the tested unit. The average of
the three RMC measurements will be the tested unit's final RMC value
and will be used as the basis for the calculation of per-cycle energy
consumption for removal of moisture from the test load for that unit.
(2) Reserved.
PART 430--ENERGY CONSERVATION PROGRAM FOR CONSUMER PRODUCTS
0
4. The authority citation for part 430 continues to read as follows:
Authority: 42 U.S.C. 6291-6309; 28 U.S.C. 2461 note.
0
5. Section 430.23 is amended by:
0
a. Revising paragraphs (j)(1)(i) and (ii);
0
b. Revising paragraph (j)(3); and
0
c. Adding paragraphs (j)(4) through (j)(5).
The revisions and additions read as follows:
[[Page 23075]]
Sec. 430.23 Test procedures for the measurement of energy and water
consumption.
* * * * *
(j) * * *
(1) * * *
(i) When using appendix J1 (see the note at the beginning of
appendix J1),
(N1 x ETE1 x CKWH)
Where,
N1 = the representative average residential clothes
washer use of 392 cycles per year according to appendix J1,
ETE1 = the total per-cycle energy consumption when
electrically heated water is used, in kilowatt-hours per cycle,
determined according to section 4.1.7 of appendix J1, and
CKWH = the representative average unit cost, in dollars
per kilowatt-hour, as provided by the Secretary.
(ii) When using appendix J2,
(N2 x (ETE2 + ETSO) x CKWH)
Where,
N2 = the representative average residential clothes
washer use of 295 cycles per year according to appendix J2,
ETE2 = the total per-cycle energy consumption when
electrically heated water is used, in kilowatt-hours per cycle,
determined according to section 4.1.6 of appendix J2,
ETSO = the per-cycle combined low-power mode energy
consumption, in kilowatt-hours per cycle, determined according to
section 4.4 of appendix J2, and
CKWH = the representative average unit cost, in dollars
per kilowatt-hour, as provided by the Secretary.
* * * * *
(3) The annual water consumption of a clothes washer must be
determined as:
(i) When using appendix J1, the product of the representative
average-use of 392 cycles per year and the total weighted per-cycle
water consumption in gallons per cycle determined according to section
4.2.2 of appendix J1.
(ii) When using appendix J2, the product of the representative
average-use of 295 cycles per year and the total weighted per-cycle
water consumption for all wash cycles, in gallons per cycle, determined
according to section 4.2.11 of appendix J2.
(4)(i) The water factor must be determined according to section
4.2.3 of appendix J1 (when using appendix J1) or section 4.2.12 of
appendix J2 (when using appendix J2), with the result rounded off to
the nearest 0.1 gallons per cycle per cubic foot.
(ii) The integrated water factor must be determined according to
section 4.2.13 of appendix J2, with the result rounded off to the
nearest 0.1 gallons per cycle per cubic foot.
(5) Other useful measures of energy consumption for automatic or
semi-automatic clothes washers shall be those measures of energy
consumption that the Secretary determines are likely to assist
consumers in making purchasing decisions and that are derived from the
application of appendix J1 or appendix J2, as appropriate.
* * * * *
Appendix J1--[Amended]
0
6. Appendix J1 to subpart B of part 430 is amended by:
0
a. Revising the introductory text after the heading, and sections 1.1
and 1.2;
0
b. Removing section 1.17;
0
c. Redesignating sections 1.3 to 1.7, 1.8 to 1.16, and 1.18 to 1.23 as
sections 1.4 to 1.8, 1.10 to 1.18, and 1.19 to 1.24, respectively.d.
Revising newly redesignated sections 1.8, 1.11, and 1.12;
0
e. Adding sections 1.3, and 1.9;
0
f. Revising sections 2.3.1, 2.6.4.6, 2.6.5, 2.6.5.1, 2.6.5.2, 2.8,
Table 2.8, and 2.8.3;
0
g. Removing sections 2.6.4.6.1, 2.6.4.6.2, 2.6.6, and 2.6.7;
0
h. Revising sections 3.1.1, 3.1.2, 3.1.4, and 3.1.5;
0
i. Adding sections 3.1.6 and 3.1.7;
0
j. Revising sections 3.2, 3.2.3, 3.2.3.1, 3.2.3.2, and 3.2.3.2.2;
0
k. Removing section 3.2.1.3;
0
l. Revising Table 3.2, sections 3.3, 3.3.3, 3.4.3, 3.5, 3.5.1, 3.5.2,
3.5.3, and 3.6.3;
0
m. Adding section 3.5.3;
0
n. Adding section 3.8.5; and
0
o. Revising Table 4.1.3 and section 4.1.4.
The revisions and additions read as follows:
Appendix J1 to Subpart B of Part 430--Uniform Test Method for Measuring
the Energy Consumption of Automatic and Semi-automatic Clothes Washers
Note: Any representation related to the energy or water
consumption of clothes washers made after [insert date 180 days
after date of publication of any test procedure final rule in the
Federal Register] must be made based upon results generated using
this appendix or Appendix J2. Any representation related to the
energy or water consumption of clothes washers made between [insert
date 30 days after date of publication of any test procedure final
rule in the Federal Register] and [insert date 180 days after date
of publication of any test procedure final rule in the Federal
Register] must be based upon results generated either under this
Appendix J1 or Appendix J2, or upon the test procedures in Appendix
J1 or Appendix J2 as they appeared at 10 CFR part 430, subpart B,
Appendix J1 or J2, in the 10 CFR parts 200 to 499 edition revised as
of January 1, 2013. Manufacturers must use a single appendix for all
representations, including certifications of compliance. Compliance
with DOE's amended standards for residential clothes washers, and
corresponding use of the test procedures at Appendix J2 for all
representations by residential clothes washer manufacturers,
including certifications of compliance, is required as of March 7,
2015.
* * * * *
1.1. Adaptive control system means a clothes washer control
system, other than an adaptive water fill control system, that is
capable of automatically adjusting washer operation or washing
conditions based on characteristics of the clothes load placed in
the clothes container, without allowing or requiring user
intervention or actions. The automatic adjustments may, for example,
include automatic selection, modification, or control of any of the
following: wash water temperature, agitation or tumble cycle time,
number of rinse cycles, and spin speed. The characteristics of the
clothes load, which could trigger such adjustments, could, for
example, consist of or be indicated by the presence of either soil,
soap, suds, or any other additive laundering substitute or
complementary product.
1.2 Adaptive water fill control system means a clothes washer
automatic water fill control system that is capable of automatically
adjusting the water fill level based on the size or weight of the
clothes load placed in the clothes container.
1.3 Automatic water fill control system means a clothes washer
water fill control system that does not require user intervention or
action, and includes adaptive water fill control systems and fixed
water fill control systems.
* * * * *
1.8 Energy test cycle for a basic model includes:
(A) All wash/rinse temperature selections and water levels
offered in the cycle recommended by the manufacturer for washing
cotton or linen clothes, and
(B) For each other wash/rinse temperature selection or water
level available on that basic model, the portion(s) of other
cycle(s) with that temperature selection or water level that, when
tested pursuant to these test procedures, will contribute to an
accurate representation of the energy consumption of the basic model
as used by end users.
If a warm rinse temperature selection is available on the
clothes washer but is not available in the cycle recommended for
washing cottons or linens, the energy test cycle shall include the
warm rinse temperature selection in the cycle most comparable to the
cycle recommended for washing cottons or linens.
If an extra hot temperature selection is only available on a
sanitization cycle, the sanitization cycle should be included in the
energy test cycle if the cycle is recommended by the manufacturer
for washing clothing, and if doing so would contribute to an
accurate representation of the energy consumption as used by
consumers.
For any cycle under (A) or (B) of this section, use the
manufacturer default settings, except for (1) the temperature
selection, (2) the wash water fill levels, or (3) if necessary, the
spin speeds on wash cycles used to determine remaining moisture
content. This includes wash conditions such as agitation/tumble
operation, soil level, spin
[[Page 23076]]
speed on wash cycles used to determine energy and water consumption,
wash times, rinse times, optional rinse settings, water heating time
for water-heating clothes washers, and all other wash parameters or
optional features applicable to that wash cycle. Include any
optional wash cycle feature for testing (other than wash/rinse
temperature, water fill level selection, or spin speed on wash
cycles used to determine remaining moisture content) that is
activated by default on the wash cycle under test unless the
manufacturer instructions recommend not selecting this option for
washing normally soiled cotton or linen clothes.
1.9 Fixed water fill control system means a clothes washer
automatic water fill control system that does not adjust the water
fill level based on the size or weight of the clothes load placed in
the clothes container.
* * * * *
1.11 Manual control system means a clothes washer control system
that requires that the user make the choices that determine washer
operation or washing conditions, such as, for example, wash/rinse
temperature selections, and wash time before starting the cycle.
1.12 Manual water fill control system means a clothes washer
water fill control system that requires the user to determine or
select the water fill level.
* * * * *
2.3.1 Clothes washers in which electrical energy consumption or
water energy consumption are affected by the inlet water temperature
(including water heating clothes washers or clothes washers with
thermostatically controlled water valves). The temperature of the
hot water supply at the water inlets shall be maintained between
130[emsp14][deg]F (54.4 [deg]C) and 135[emsp14][deg]F (57.2 [deg]C)
and the cold water supply at the water inlets shall be maintained
between 55[emsp14][deg]F (12.8 [deg]C) and 60[emsp14][deg]F (15.6
[deg]C). A water meter shall be installed in both the hot and cold
water lines to measure water consumption.
* * * * *
2.6.4.6 The moisture absorption and retention shall be evaluated
for each new lot of test cloth by the standard extractor Remaining
Moisture Content (RMC) test specified in appendix J3 to 10 CFR part
430 subpart B.
2.6.5. Application of RMC correction curve.
2.6.5.1 Using the coefficients A and B calculated in appendix J3
to 10 CFR part 430 subpart B:
RMCcorr = A x RMC + B
2.6.5.2 Substitute RMCcorr values in calculations in
section 3.8 of this appendix.
* * * * *
2.8 Use of Test Loads. Use the test load sizes and corresponding
water fill settings defined in Table 2.8 when measuring water and
energy consumptions. Automatic water fill control system and manual
water fill control system are defined in section 1 of this appendix:
Table 2.8--Required Test Load Sizes and Water Fill Settings
----------------------------------------------------------------------------------------------------------------
Water fill control system type Test load size Water fill setting
----------------------------------------------------------------------------------------------------------------
Manual water fill control system......... Max.................................... Max.
Min.................................... Min.
Automatic water fill control system...... Max.................................... As determined by the clothes
Avg.................................... washer.
Min....................................
----------------------------------------------------------------------------------------------------------------
* * * * *
2.8.3 Prepare the energy test cloths for loading by grasping
them in the center, lifting, and shaking them to hang loosely, as
illustrated in Figure 2.8.3.1 of this appendix.
[GRAPHIC] [TIFF OMITTED] TP25AP14.015
To load the energy test cloths in a top-loading clothes washer,
arrange the cloths circumferentially around the axis of rotation of
the clothes container, using alternating lengthwise orientations for
adjacent pieces of cloth. Complete each cloth layer across its
horizontal plane within the clothes container before adding a new
layer. Figure 2.8.3.2 of this appendix illustrates the correct
loading technique for a vertical-axis clothes washer.
To load the energy test cloths in a front-loading clothes
washer, arrange the cloths lengthwise, from front to back, using
alternating orientations for adjacent pieces of cloth. Load the
cloths evenly across the width of the clothes container. Complete
each cloth layer across its horizontal plane within the clothes
container before adding a
[[Page 23077]]
new layer. Figure 2.8.3.3 of this appendix illustrates the correct
loading technique for a horizontal-axis clothes washer.
For all clothes washers, follow any additional manufacturer
loading instructions provided to the user regarding the placement of
clothing within the clothing container.
BILLING CODE 6450-01-P
[GRAPHIC] [TIFF OMITTED] TP25AP14.016
BILLING CODE 6450-01-C
* * * * *
3.1.1 Place the clothes washer in such a position that the
uppermost edge of the clothes container opening is leveled
horizontally, so that the container will hold the maximum amount of
water. For front-loading clothes washers, the door seal and shipping
bolts or other forms of bracing hardware to support the wash drum
during shipping must remain in place during the capacity
measurement.
If the design of a front-loading clothes washer does not include
shipping bolts or other forms of bracing hardware to support the
wash drum during shipping, a laboratory may support the wash drum by
other means, including temporary bracing or support beams. Any
temporary bracing or support beams must keep the wash drum in a
fixed position, relative to the geometry of the door and door seal
components, that is representative of the position of the wash drum
during normal operation. The method used must avoid damage to the
unit that would affect the results of the energy and water testing.
The test report must document the method used to support the wash
drum, and pursuant to Sec. 429.71 of this chapter, the manufacturer
must retain such documentation as part of its test records.
3.1.2 Line the inside of the clothes container with a 2 mil
thickness (0.051 mm) plastic sheet or plastic bag. All clothes
washer components that occupy space within the clothes container and
that are recommended for use during a wash cycle must be in place
and must be lined with a 2 mil thickness (0.051 mm) plastic sheet or
plastic bag to prevent water from entering any void space.
* * * * *
[[Page 23078]]
3.1.4 Fill the clothes container manually with either 60 [deg]F
5 [deg]F (15.6 [deg]C 2.8 [deg]C) or 100
[deg]F 10 [deg]F (37.8 [deg]C 5.5 [deg]C)
water to its uppermost edge. For a top-loading, vertical-axis
clothes washer, the uppermost edge of the clothes container is
defined as the highest point of the innermost diameter of the tub
cover. Figure 3.1.4.1 illustrates the maximum fill level for top-
loading vertical-axis clothes washers. Figure 3.1.4.2 shows the
location of the maximum fill level for a variety of example tub
cover designs.
[GRAPHIC] [TIFF OMITTED] TP25AP14.017
[[Page 23079]]
[GRAPHIC] [TIFF OMITTED] TP25AP14.018
For a front-loading horizontal-axis clothes washer, fill the
clothes container to the highest point of contact between the door
and the door gasket. If any portion of the door or gasket would
occupy the measured volume space when the door is closed, exclude
the volume that the door or gasket portion would occupy from the
measurement. For a front-loading horizontal-axis clothes washer with
a concave door shape, include any additional volume above the plane
defined by the highest point of contact between the door and the
door gasket, if that area can be occupied by clothing during washer
operation. For a top-loading horizontal-axis clothes washer, include
any additional volume above the plane of the door hinge that
clothing could occupy during washer operation. Figure 3.1.4.3
illustrates the maximum fill volumes for all horizontal-axis clothes
washer types.
[[Page 23080]]
[GRAPHIC] [TIFF OMITTED] TP25AP14.019
For all clothes washers, exclude any volume that cannot be
occupied by the clothing load during operation.
3.1.5 Measure and record the weight of water, W, in pounds.
3.1.6 Calculate the clothes container capacity as follows:
C = W/d
Where:
C = Capacity in cubic feet (liters).
W = Mass of water in pounds (kilograms).
d = Density of water (62.0 lbs/ft\3\ for 100[emsp14][deg]F (993 kg/
m\3\ for 37.8 [deg]C) or 62.3 lbs/ft\3\ for 60[emsp14][deg]F (998
kg/m\3\ for 15.6 [deg]C)).
3.1.7 Calculate the clothes container capacity, C, to the
nearest 0.01 cubic foot for the purpose of determining test load
sizes per Table 5.1 of this appendix and for all subsequent
calculations in this appendix that include the clothes container
capacity.
* * * * *
3.2 Procedure for measuring water and energy consumption values
on all automatic and semi-automatic washers. All energy consumption
tests shall be performed under the energy test cycle(s), unless
otherwise specified. Table 3.2 indicates the sections below that
govern tests of particular clothes washers, based on the number of
wash/rinse temperature selections available on the model and also,
in some instances, method of water heating. The procedures
prescribed are applicable regardless of a clothes washer's washing
capacity, loading port location, primary axis of rotation of the
clothes container, and type of control system. Data from a wash
cycle that terminates prematurely if an out-of-balance condition is
detected, and thus does not include the agitation/tumble operation,
spin speed(s), wash times, and rinse times applicable to the wash
cycle under test, shall be discarded.
* * * * *
3.2.3. Clothes washers with automatic water fill/manual water
fill control systems.
3.2.3.1 Clothes washers with automatic water fill control system
and alternate manual water fill control system. If a clothes washer
with an automatic water fill control system allows user selection of
manual controls as an alternative, then both manual and automatic
modes shall be tested and, for each mode, the energy consumption
(HET, MET, and DE) and water
consumption (QT) values shall be calculated as set forth
in section 4. Then the average of the two values (one from each
mode, automatic and manual) for each variable shall be used in
section 4 for the clothes washer.
3.2.3.2 Clothes washers with automatic water fill control
system.
* * * * *
3.2.3.2.2 User-adjustable. Four tests shall be conducted on
clothes washers with user-adjustable automatic water fill controls
that affect the relative wash water levels. The first test shall be
conducted using the maximum test load and with the automatic water
fill control system set in the setting that will give the most
energy intensive result. The second test shall be conducted with the
minimum test load and with the automatic water fill control system
set in the setting that will give the least energy intensive result.
The third test shall be conducted with the average test load and
with the automatic water fill control system set in the setting that
will give the most energy intensive result for the given test load.
The fourth test shall be conducted with the average test load and
with the automatic water fill control system set in the setting that
will give the least energy intensive result for the given test load.
The energy and water consumption for the average test load and water
level shall be the average of the third and fourth tests.
* * * * *
Table 3.2--Test Section Reference
----------------------------------------------------------------------------------------------------------------
Max. wash temp. available <= 135 [deg]F (57.2 [deg]C) > 135 [deg]F (57.2
--------------------------------------------------------------------------------------- [deg]C) \2\
Number of wash temp. selections in the energy -------------------------
test cycle 1 2 > 2 3 > 3
----------------------------------------------------------------------------------------------------------------
Test Sections Required to be Followed.......... ........... ........... ........... 3.3 3.3
........... 3.4 3.4 ........... 3.4
........... ........... 3.5 3.5 3.5
3.6 3.6 3.6 3.6 3.6
\1\ 3.7 \1\ 3.7 \1\ 3.7 \1\ 3.7 \1\ 3.7
3.8 3.8 3.8 3.8 3.8
----------------------------------------------------------------------------------------------------------------
\1\ Only applicable to machines with warm rinse in any cycle.
\2\ This only applies to water heating clothes washers on which the maximum wash temperature available exceeds
135 [deg]F (57.2 [deg]C).
3.3 ``Extra Hot Wash'' (Max Wash Temp
135[emsp14][deg]F (57.2 [deg]C)) for water heating clothes washers
only. Water and electrical energy consumption shall be measured for
each water fill level and/or test load size as specified in 3.3.1
through 3.3.3 for the hottest wash setting available. Testing
parties may use non-reversible temperature indicator labels, adhered
to the inside of the clothes container, to determine the maximum
water temperature during the wash cycle. If using a temperature
indicator label to test a front-loading clothes washer, adhere the
label along the inner circumference of the clothes container drum,
midway between the front and the back of the clothes container. If
using a temperature indicator label to test a top-loading clothes
washer, adhere the label along the inner circumference of the
clothes
[[Page 23081]]
container drum, as close to the bottom of the container as possible.
* * * * *
3.3.3 Average test load and water fill. For clothes washers with
an automatic water fill control system, measure the values for hot
water consumption (Hma), cold water consumption
(Cma), and electrical energy consumption (Ema)
for an extra-hot wash/cold rinse energy test cycle, with an average
test load size as determined per Table 5.1.
* * * * *
3.4.3 Average test load and water fill. For clothes washers with
an automatic water fill control system, measure the values for hot
water consumption (Hha), cold water consumption
(Cha), and electrical energy consumption (Eha)
for a hot wash/cold rinse energy test cycle, with an average test
load size as determined per Table 5.1.
* * * * *
3.5 ``Warm Wash.'' Water and electrical energy consumption shall
be determined for each water fill level and/or test load size as
specified in 3.5.1 through 3.5.3 for the applicable warm water wash
temperature(s). For a clothes washer with fewer than four discrete
warm wash selections, test all warm wash temperature selections. For
a clothes washer that offers four or more warm wash selections, test
at all discrete selections, or test at 25 percent, 50 percent, and
75 percent positions of the temperature selection device between the
hottest hot (<=135[emsp14][deg]F (57.2 [deg]C)) wash and the coldest
cold wash. If a selection is not available at the 25, 50 or 75
percent position, in place of each such unavailable selection use
the next warmer setting. Each reportable value to be used for the
warm water wash setting shall be the arithmetic average of all tests
conducted pursuant to this section.
3.5.1 Maximum test load and water fill. Hot water consumption
(Hwx), cold water consumption (Cwx), and electrical energy
consumption (Ewx) shall be measured with the controls set for the
maximum water fill level. The maximum test load size is to be used
and shall be determined per Table 5.1.
3.5.2 Minimum test load and water fill. Hot water consumption
(Hwn), cold water consumption (Cwn), and electrical energy
consumption (Ewn) shall be measured with the controls set for the
minimum water fill level. The minimum test load size is to be used
and shall be determined per Table 5.1.
3.5.3 Average test load and water fill. For clothes washers with
an automatic water fill control system, measure the values for hot
water consumption (Hwa), cold water consumption (Cwa), and
electrical energy consumption (Ewa) with an average test load size
as determined per Table 5.1.
* * * * *
3.6.3 Average test load and water fill. For clothes washers with
an automatic water fill control system, measure the values for hot
water consumption (Hca), cold water consumption
(Cca), and electrical energy consumption (Eca)
for a cold wash/cold rinse energy test cycle, with an average test
load size as determined per Table 5.1.
* * * * *
3.8.5 The procedure for calculating RMC as defined in section
3.8.2.5, 3.8.3.3., or 3.8.4 of this appendix may be replicated twice
in its entirety, for a total of three independent RMC measurements.
If three replications of the RMC measurement are performed, use the
average of the three RMC measurements as the final RMC in section
4.3 of this appendix.
* * * * *
Table 4.1.3--Load Usage Factors
------------------------------------------------------------------------
Water fill control
system
Load usage factor -------------------------
Manual Automatic
------------------------------------------------------------------------
Fmax =........................................ \1\ 0.72 \2\ 0.12
Favg =........................................ ........... \2\ 0.74
Fmin =........................................ \1\ 0.28 \2\ 0.14
------------------------------------------------------------------------
\1\ Reference 3.2.3.3.
\2\ Reference 3.2.3.2.
4.1.4 Removed.
* * * * *
0
7. Appendix J2 to subpart B of part 430 is revised to read as follows:
Appendix J2 to Subpart B of Part 430-Uniform Test Method for Measuring
the Energy Consumption of Automatic and Semi-automatic Clothes Washers
Note: Any representation related to the energy or water
consumption of clothes washers made after [Date 180 days after date
of publication of any test procedure final rule in the Federal
Register] must be made based upon results generated using this
appendix or appendix J1. Any representation related to the energy or
water consumption of clothes washers made between [Date 30 days
after date of publication of any test procedure final rule in the
Federal Register] and [Date 180 days after date of publication of
any test procedure final rule in the Federal Register] must be based
upon results generated either under this Appendix J2 or Appendix J1,
or upon the test procedures in Appendix J2 or Appendix J1 as they
appeared at 10 CFR part 430, subpart B, Appendix J2 or Appendix J1,
in the 10 CFR parts 200 to 499 edition revised as of January 1,
2013. Manufacturers must use a single appendix for all
representations, including certifications of compliance. Compliance
with DOE's amended standards for residential clothes washers, and
corresponding use of the test procedures at this appendix for all
representations by residential clothes washer manufacturers,
including certifications of compliance, is required as of March 7,
2015.
1. Definitions and Symbols
1.1 Active mode means a mode in which the clothes washer is
connected to a mains power source, has been activated, and is
performing one or more of the main functions of washing, soaking,
tumbling, agitating, rinsing, and/or removing water from the
clothing, or is involved in functions necessary for these main
functions, such as admitting water into the washer or pumping water
out of the washer. Active mode also includes delay start and cycle
finished modes.
1.2 Active washing mode means a mode in which the clothes washer
is performing any of the operations included in a complete cycle
intended for washing a clothing load, including the main functions
of washing, soaking, tumbling, agitating, rinsing, and/or removing
water from the clothing.
1.3 Adaptive control system means a clothes washer control
system, other than an adaptive water fill control system, that is
capable of automatically adjusting washer operation or washing
conditions based on characteristics of the clothes load placed in
the clothes container, without allowing or requiring user
intervention or actions. The automatic adjustments may, for example,
include automatic selection, modification, or control of any of the
following: wash water temperature, agitation or tumble cycle time,
number of rinse cycles, and spin speed. The characteristics of the
clothes load, which could trigger such adjustments, could, for
example, consist of or be indicated by the presence of either soil,
soap, suds, or any other additive laundering substitute or
complementary product.
1.4 Adaptive water fill control system means a clothes washer
automatic water fill control system that is capable of automatically
adjusting the water fill level based on the size or weight of the
clothes load placed in the clothes container.
1.5 Automatic water fill control system means a clothes washer
water fill control system that does not require user intervention or
action, and includes adaptive water fill control systems and fixed
water fill control systems.
1.6 Bone-dry means a condition of a load of test cloth that has
been dried in a dryer at maximum temperature for a minimum of 10
minutes, removed and weighed before cool down, and then dried again
for 10 minute periods until the final weight change of the load is 1
percent or less.
1.7 Clothes container means the compartment within the clothes
washer that holds the clothes during the operation of the machine.
1.8 Cold rinse means the coldest rinse temperature available on
the machine, as indicated to the user on the clothes washer control
panel.
1.9 Combined low-power mode means the aggregate of available
modes other than active washing mode, including inactive mode, off
mode, delay start mode, and cycle finished mode.
1.10 Compact means a clothes washer that has a clothes container
capacity of less than 1.6 ft\3\ (45 L).
1.11 Cycle finished mode means an active mode that provides
continuous status display, intermittent tumbling, or air circulation
following operation in active washing mode.
1.12 Delay start mode means an active mode in which activation
of active washing mode is facilitated by a timer.
1.13 Energy test cycle means the complete set of wash/rinse
temperature selections required for testing, as determined according
to section 2.12. Within the energy test cycle, the following
definitions apply:
(A) Cold wash/Cold rinse is the wash/rinse temperature selection
determined by evaluating the flowchart in Figure 2.12.1 of this
appendix.
(B) Hot wash/Cold rinse is the wash/rinse temperature selection
determined by
[[Page 23082]]
evaluating the flowchart in Figure 2.12.2 of this appendix.
(C) Warm wash/Cold rinse is the wash/rinse temperature selection
determined by evaluating the flowchart in Figure 2.12.3 of this
appendix.
(D) Warm wash/Warm rinse is the wash/rinse temperature selection
determined by evaluating the flowchart in Figure 2.12.4 of this
appendix.
(E) Extra Hot wash/Cold rinse is the wash/rinse temperature
selection determined by evaluating the flowchart in Figure 2.12.5 of
this appendix.
1.14 Fixed water fill control system means a clothes washer
automatic water fill control system that does not adjust the water
fill level based on the size or weight of the clothes load placed in
the clothes container.
1.15 IEC 62301 means the test standard published by the
International Electrotechnical Commission, entitled ``Household
electrical appliances-Measurement of standby power,'' Publication
62301, Edition 2.0 2011-01 (incorporated by reference; see Sec.
430.3).
1.16 Inactive mode means the lowest-power standby mode that
facilitates the activation of active mode by remote switch
(including remote control), internal sensor, or timer, or that
provides continuous status display.
1.17 Integrated modified energy factor means the quotient of the
cubic foot (or liter) capacity of the clothes container divided by
the total clothes washer energy consumption per cycle, with such
energy consumption expressed as the sum of:
(a) The machine electrical energy consumption;
(b) The hot water energy consumption;
(c) The energy required for removal of the remaining moisture in
the wash load; and
(d) The combined low-power mode energy consumption.
1.18 Integrated water factor means the quotient of the total
weighted per-cycle water consumption for all wash cycles in gallons
divided by the cubic foot (or liter) capacity of the clothes washer.
1.19 Load usage factor means the percentage of the total number
of wash loads that a user would wash a particular size (weight)
load.
1.20 Lot means a quantity of cloth that has been manufactured
with the same batches of cotton and polyester during one continuous
process.
1.21 Manual control system means a clothes washer control system
that requires that the user make the choices that determine washer
operation or washing conditions, such as, for example, wash/rinse
temperature selections and wash time, before starting the cycle.
1.22 Manual water fill control system means a clothes washer
water fill control system that requires the user to determine or
select the water fill level.
1.23 Modified energy factor means the quotient of the cubic foot
(or liter) capacity of the clothes container divided by the total
clothes washer energy consumption per cycle, with such energy
consumption expressed as the sum of the machine electrical energy
consumption, the hot water energy consumption, and the energy
required for removal of the remaining moisture in the wash load.
1.24 Non-water-heating clothes washer means a clothes washer
that does not have an internal water heating device to generate hot
water.
1.25 Normal cycle means the cycle selection recommended by the
manufacturer as the most common consumer cycle for washing a full
load of normally to heavily soiled cotton clothing. For machines
where multiple cycle settings meet this description, then the Normal
cycle is the cycle selection that results in the lowest IMEF or MEF
value.
1.26 Off mode means a mode in which the clothes washer is
connected to a mains power source and is not providing any active or
standby mode function, and where the mode may persist for an
indefinite time. An indicator that only shows the user that the
product is in the off position is included within the classification
of an off mode.
1.27 Roll means a subset of a lot.
1.28 Standard means a clothes washer that has a clothes
container capacity of 1.6 ft\3\ (45 L) or greater.
1.29 Standby mode means any mode in which the clothes washer is
connected to a mains power source and offers one or more of the
following user oriented or protective functions that may persist for
an indefinite time:
(a) To facilitate the activation of other modes (including
activation or deactivation of active mode) by remote switch
(including remote control), internal sensor, or timer;
(b) Continuous functions, including information or status
displays (including clocks) or sensor-based functions.
A timer is a continuous clock function (which may or may not be
associated with a display) that provides regular scheduled tasks
(e.g., switching) and that operates on a continuous basis.
1.30 Symbol usage. The following identity relationships are
provided to help clarify the symbology used throughout this
procedure.
C--Capacity
C (with subscripts)--Cold Water Consumption
D--Energy Consumption for Removal of Moisture from Test Load
E--Electrical Energy Consumption
F--Load Usage Factor
H--Hot Water Consumption
HE--Hot Water Energy Consumption
ME--Machine Electrical Energy Consumption
P--Power
Q--Water Consumption
RMC--Remaining Moisture Content
S--Annual Hours
TUF--Temperature Use Factor
V--Temperature-Weighted Hot Water Consumption
W--Mass of Water
WC--Weight of Test Load After Extraction
WI--Initial Weight of Dry Test Load
Subscripts:
a or avg--Average Test Load
c--Cold Wash (minimum wash temp.)
corr--Corrected (RMC values)
h--Hot Wash (maximum wash temp. <=135[emsp14][deg]F (57.2 [deg]C))
ia--Inactive Mode
LP--Combined Low-Power Mode
m--Extra Hot Wash (maximum wash temp. >135[emsp14][deg]F (57.2
[deg]C))
n--Minimum Test Load
o--Off Mode
oi--Combined Off and Inactive Modes
T--Total
w--Warm Wash
ww--Warm Wash/Warm Rinse
x--Maximum Test Load
The following examples are provided to show how the above
symbols can be used to define variables:
Emx = ``Electrical Energy Consumption'' for an ``Extra
Hot Wash'' and ``Maximum Test Load''
HEmin = ``Hot Water Energy Consumption'' for the
``Minimum Test Load''
Pia = ``Power'' in ``Inactive Mode''
Qhmin = ``Water Consumption'' for a ``Hot Wash'' and
``Minimum Test Load''
TUFm = ``Temperature Use Factor'' for an ``Extra Hot
Wash''
1.31 Temperature use factor means, for a particular wash/rinse
temperature setting, the percentage of the total number of wash
loads that an average user would wash with that setting.
1.32 Thermostatically controlled water valves means clothes
washer controls that have the ability to sense and adjust the hot
and cold supply water.
1.33 Water factor means the quotient of the total weighted per-
cycle water consumption for cold wash divided by the cubic foot (or
liter) capacity of the clothes washer.
1.34 Water-heating clothes washer means a clothes washer where
some or all of the hot water for clothes washing is generated by a
water heating device internal to the clothes washer.
2. Testing Conditions
2.1 Electrical energy supply.
2.1.1 Supply voltage and frequency. Maintain the electrical
supply at the clothes washer terminal block within 2 percent of 120,
120/240, or 120/208Y volts as applicable to the particular terminal
block wiring system and within 2 percent of the nameplate frequency
as specified by the manufacturer. If the clothes washer has a dual
voltage conversion capability, conduct test at the highest voltage
specified by the manufacturer.
2.1.2 Supply voltage waveform. For the combined low-power mode
testing, maintain the electrical supply voltage waveform indicated
in Section 4, Paragraph 4.3.2 of IEC 62301. If the power measuring
instrument used for testing is unable to measure and record the
total harmonic content during the test measurement period, total
harmonic content may be measured and recorded immediately before and
after the test measurement period.
2.2 Supply water.
2.2.1 Clothes washers in which electrical energy consumption or
water energy consumption are affected by the inlet water
temperature. (For example, water heating clothes washers or clothes
washers with thermostatically controlled water valves). Maintain the
temperature of the hot water
[[Page 23083]]
supply at the water inlets between 130 [deg]F (54.4 [deg]C) and 135
[deg]F (57.2 [deg]C). Maintain the temperature of the cold water
supply at the water inlets between 55 [deg]F (12.8 [deg]C) and 60
[deg]F (15.6 [deg]C).
2.2.2 Clothes washers in which electrical energy consumption and
water energy consumption are not affected by the inlet water
temperature. Maintain the temperature of the hot water supply at the
water inlets at 135 [deg]F 5 [deg]F (57.2 [deg]C 2.8 [deg]C). Maintain the temperature of the cold water
supply at the water inlets at 60 [deg]F 5 [deg]F (15.6
[deg]C 2.8 [deg]C).
2.3 Water pressure. Maintain the static water pressure at the
hot and cold water inlet connection of the clothes washer at 35
pounds per square inch gauge (psig) 2.5 psig (241.3 kPa
17.2 kPa) when the water is flowing.
2.4 Test room temperature. For all clothes washers, maintain the
test room ambient air temperature at 75 5 [deg]F (23.9
2.8[deg]C) for active mode testing and combined low-
power mode testing. Do not use the test room ambient air temperature
conditions specified in Section 4, Paragraph 4.2 of IEC 62301 for
combined low-power mode testing.
2.5 Instrumentation. Perform all test measurements using the
following instruments, as appropriate:
2.5.1 Weighing scales.
2.5.1.1 Weighing scale for test cloth. The scale used for
weighing test cloth must have a resolution of no larger than 0.2 oz
(5.7 g) and a maximum error no greater than 0.3 percent of the
measured value.
2.5.1.2 Weighing scale for clothes container capacity
measurement. The scale used for performing the clothes container
capacity measurement must have a resolution no larger than 0.50 lbs
(0.23 kg) and a maximum error no greater than 0.5 percent of the
measured value.
2.5.2 Watt-hour meter. The watt-hour meter used to measure
electrical energy consumption must have a resolution no larger than
1 Wh (3.6 kJ) and a maximum error no greater than 2 percent of the
measured value for any demand greater than 50 Wh (180.0 kJ).
2.5.3 Watt meter. The watt meter used to measure combined low-
power mode power consumption must comply with the requirements
specified in Section 4, Paragraph 4.4 of IEC 62301. If the power
measuring instrument used for testing is unable to measure and
record the crest factor, power factor, or maximum current ratio
during the test measurement period, the crest factor, power factor,
and maximum current ratio may be measured and recorded immediately
before and after the test measurement period.
2.5.4 Water and air temperature measuring devices. The
temperature devices used to measure water and air temperature must
have an error no greater than 1 [deg]F (0.6
[deg]C) over the range being measured.
2.5.5 Water meter. A water meter must be installed in both the
hot and cold water lines to measure water flow and/or water
consumption. The water meters must have a resolution no larger than
0.1 gallons (0.4 liters) and a maximum error no greater than 2
percent for the water flow rates being measured.
2.5.6 Water pressure gauge. A water pressure gauge must be
installed in both the hot and cold water lines to measure water
pressure. The water pressure gauges must have a resolution of 1
pound per square inch gauge (psig) (6.9 kPa) and a maximum error no
greater than 5 percent of any measured value.
2.6 Bone dryer temperature. The dryer used for bone drying must
heat the test cloth load above 210 [deg]F (99 [deg]C).
2.7 Test cloths.
2.7.1 Energy test cloth. The energy test cloth must be made from
energy test cloth material, as specified in section 2.6.4 of this
Appendix, that is 24 1/2 inches by 36 1/2
inches (61.0 1.3 cm by 91.4 1.3 cm) and
has been hemmed to 22 1/2 inches by 34 1/2
inches (55.9 1.3 cm by 86.4 1.3 cm) before
washing. The energy test cloth must be clean and must not be used
for more than 60 test runs (after preconditioning as specified in
2.6.3 of this appendix). All energy test cloth must be permanently
marked identifying the lot number of the material. Mixed lots of
material must not be used for testing a clothes washer.
2.7.2 Energy stuffer cloth. The energy stuffer cloth must be
made from energy test cloth material, as specified in section 2.6.4
of this Appendix, that is 12 1/4 inches by 12 1/4 inches (30.5 0.6 cm by 30.5 0.6
cm) and has been hemmed to 10 1/4 inches by 10 1/4 inches (25.4 0.6 cm by 25.4 0.6
cm) before washing. The energy stuffer cloth must be clean and must
not be used for more than 60 test runs (after preconditioning as
specified in section 2.6.3 of this Appendix). All energy stuffer
cloth must be permanently marked identifying the lot number of the
material. Mixed lots of material must not be used for testing a
clothes washer.
2.7.3 Preconditioning of test cloths. The new test cloths,
including energy test cloths and energy stuffer cloths, must be pre-
conditioned in a clothes washer in the following manner:
Perform five complete wash-rinse-spin cycles, the first two with
current AHAM Standard detergent Formula 3 and the last three without
detergent. Place the test cloth in a clothes washer set at the
maximum water level. Wash the load for ten minutes in soft water (17
ppm hardness or less) using 27.0 grams + 4.0 grams per pound of
cloth load of AHAM Standard detergent Formula 3. The wash
temperature is to be controlled to 135 [deg]F 5 [deg]F
(57.2 [deg]C 2.8 [deg]C) and the rinse temperature is
to be controlled to 60 [deg]F 5 [deg]F (15.6 [deg]C
2.8 [deg]C). Repeat the cycle with detergent and then
repeat the cycle three additional times without detergent, bone
drying the load between cycles (for a total of five complete wash-
rinse-spin cycles).
2.7.4 Energy test cloth material. The energy test cloths and
energy stuffer cloths must be made from fabric meeting the following
specifications:
2.7.4.1 The test cloth material should come from a roll of
material with a width of approximately 63 inches and approximately
500 yards per roll. However, other sizes may be used if the test
cloth material meets the specifications listed in sections 2.7.4.2
through 2.7.4.7.
2.7.4.2 Nominal fabric type. Pure finished bleached cloth made
with a momie or granite weave, which is nominally 50 percent cotton
and 50 percent polyester.
2.7.4.3 Fabric weight. 5.60 0.25 ounces per square
yard (190.0 8.4 g/m\2\).
2.7.4.4 Thread count. 65 x 57 per inch (warp x fill), 2 percent.
2.7.4.5 Fiber content of warp and filling yarn. 50 percent
4 percent cotton, with the balance being polyester,
open end spun, 15/1 5 percent cotton count blended
yarn.
2.7.4.6 Water repellent finishes, such as fluoropolymer stain
resistant finishes, must not be applied to the test cloth. Verify
the absence of such finishes using the following:
2.7.4.6.1 AATCC Test Method 118-2007, (incorporated by
reference; see Sec. 430.3), for each new lot of test cloth (when
purchased from the mill) to confirm the absence of
ScotchguardTM or other water repellent finish (required
scores of ``D'' across the board).
2.7.4.6.2 AATCC Test Method 79-2010, (incorporated by reference;
see Sec. 430.3), for each new lot of test cloth (when purchased
from the mill) to confirm the absence of ScotchguardTM or
other water repellent finish (time to absorb one drop should be on
the order of 1 second).
2.7.4.7 The maximum shrinkage after preconditioning must not be
more than 5 percent of the length and width. Measure per AATCC Test
Method 135-2010, (incorporated by reference; see Sec. 430.3).
2.7.5 The moisture absorption and retention must be evaluated
for each new lot of test cloth using the standard extractor
Remaining Moisture Content (RMC) procedure specified in appendix J3
to 10 CFR 430 subpart B.
2.8 Test load sizes. Use Table 5.1 of this appendix to determine
the maximum, minimum, and, when required, average test load sizes
based on the clothes container capacity as measured in section 3.1
of this appendix. Test loads must consist of energy test cloths and
no more than five energy stuffer clothes per load to achieve the
proper weight.
Use the test load sizes and corresponding water fill settings
defined in Table 2.8 of this appendix when measuring water and
energy consumption. Use only the maximum test load size when
measuring RMC.
[[Page 23084]]
Table 2.8--Required Test Load Sizes and Water Fill Settings
----------------------------------------------------------------------------------------------------------------
Water fill control system type Test load size Water fill setting
----------------------------------------------------------------------------------------------------------------
Manual water fill control system......... Max.................................... Max.
Min.................................... Min.
Automatic water fill control system...... Max.................................... As determined by the clothes
Avg.................................... washer.
Min....................................
----------------------------------------------------------------------------------------------------------------
2.9 Use of test loads. 2.9.1 Test loads for energy and water
consumption measurements must be bone dry prior to the first cycle
of the test, and dried to a maximum of 104 percent of bone dry
weight for subsequent testing.
2.9.2 Prepare the energy test cloths for loading by grasping
them in the center, lifting, and shaking them to hang loosely, as
illustrated in Figure 2.9.2.1 of this appendix.
[GRAPHIC] [TIFF OMITTED] TP25AP14.020
To load the energy test cloths in a top-loading clothes washer,
arrange the cloths circumferentially around the axis of rotation of
the clothes container, using alternating lengthwise orientations for
adjacent pieces of cloth. Complete each cloth layer across its
horizontal plane within the clothes container before adding a new
layer. Figure 2.9.2.2 of this appendix illustrates the correct
loading technique for a vertical-axis clothes washer.
To load the energy test cloths in a front-loading clothes
washer, arrange the cloths lengthwise, from front to back, using
alternating orientations for adjacent pieces of cloth. Load the
cloths evenly across the width of the clothes container. Complete
each cloth layer across its horizontal plane within the clothes
container before adding a new layer. Figure 2.9.2.3 of this appendix
illustrates the correct loading technique for a horizontal-axis
clothes washer.
For all clothes washers, follow any additional manufacturer
loading instructions provided to the user regarding the placement of
clothing within the clothing container.
[[Page 23085]]
[GRAPHIC] [TIFF OMITTED] TP25AP14.021
2.10 Clothes washer installation. Install the clothes washer in
accordance with manufacturer's instructions. For combined low-power
mode testing, install the clothes washer in accordance with Section
5, Paragraph 5.2 of IEC 62301 (incorporated by reference; see Sec.
430.3), disregarding the provisions regarding batteries and the
determination, classification, and testing of relevant modes.
2.11 Clothes washer pre-conditioning.
2.11.1 Non-water-heating clothes washer. If the clothes washer
has not been filled with water in the preceding 96 hours, pre-
condition it by running it through a cold rinse cycle and then
draining it to ensure that the hose, pump, and sump are filled with
water.
2.11.2 Water-heating clothes washer. If the clothes washer has
not been filled with water in the preceding 96 hours, or if it has
not been in the test room at the specified ambient conditions for 8
hours, pre-condition it by running it through a cold rinse cycle and
then draining it to ensure that the hose, pump, and sump are filled
with water.
2.12 Determining the energy test cycle. To determine the energy
test cycle, evaluate the wash/rinse temperature selection flowcharts
in the order in which they are presented in this section. The energy
test cycle does not include any cycle, if available, that is
recommended by the manufacturer exclusively for cleaning,
deodorizing, or sanitizing the clothes washer.
BILLING CODE 6450-01-P
[[Page 23086]]
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[GRAPHIC] [TIFF OMITTED] TP25AP14.023
[[Page 23088]]
[GRAPHIC] [TIFF OMITTED] TP25AP14.024
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[GRAPHIC] [TIFF OMITTED] TP25AP14.025
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[GRAPHIC] [TIFF OMITTED] TP25AP14.026
BILLING CODE 6450-01-C
3. Test Measurements
3.1 Clothes container capacity. Measure the entire volume that a
clothes load could occupy within the clothes container during active
mode washer operation according to the following procedures:
[[Page 23091]]
3.1.1 Place the clothes washer in such a position that the
uppermost edge of the clothes container opening is leveled
horizontally, so that the container will hold the maximum amount of
water. For front-loading clothes washers, the door seal and shipping
bolts or other forms of bracing hardware to support the wash drum
during shipping must remain in place during the capacity
measurement.
If the design of a front-loading clothes washer does not include
shipping bolts or other forms of bracing hardware to support the
wash drum during shipping, a laboratory may support the wash drum by
other means, including temporary bracing or support beams. Any
temporary bracing or support beams must keep the wash drum in a
fixed position, relative to the geometry of the door and door seal
components, that is representative of the position of the wash drum
during normal operation. The method used must avoid damage to the
unit that would affect the results of the energy and water testing.
The laboratory must fully document the method used to support the
wash drum, include such documentation in the final test report, and
pursuant to Sec. 429.71 of this chapter, the manufacturer must
retain such documentation as part its test records.
3.1.2 Line the inside of the clothes container with a 2 mil
thickness (0.051 mm) plastic sheet or plastic bag. All clothes
washer components that occupy space within the clothes container and
that are recommended for use during a wash cycle must be in place
and must be lined with a 2 mil thickness (0.051 mm) plastic sheet or
plastic bag to prevent water from entering any void space.
3.1.3 Record the total weight of the machine before adding
water.
3.1.4 Fill the clothes container manually with either 60 [deg]F
5 [deg]F (15.6 [deg]C 2.8 [deg]C) or 100
[deg]F 10 [deg]F (37.8 [deg]C 5.5 [deg]C)
water, with the door open. For a top-loading vertical-axis clothes
washer, fill the clothes container to the uppermost edge of the
rotating portion, including any balance ring. Figure 3.1.4.1 of this
appendix illustrates the maximum fill level for top-loading clothes
washers.
[GRAPHIC] [TIFF OMITTED] TP25AP14.027
For a front-loading horizontal-axis clothes washer, fill the
clothes container to the highest point of contact between the door
and the door gasket. If any portion of the door or gasket would
occupy the measured volume space when the door is closed, exclude
from the measurement the volume that the door or gasket portion
would occupy. For a front-loading horizontal-axis clothes washer
with a concave door shape, include any additional volume above the
plane defined by the highest point of contact between the door and
the door gasket, if that area can be occupied by clothing during
washer operation. For a top-loading horizontal-axis clothes washer,
include any additional volume above the plane of the door hinge that
clothing could occupy during washer operation. Figure 3.1.4.2 of
this appendix illustrates the maximum fill volumes for all
horizontal-axis clothes washer types.
[GRAPHIC] [TIFF OMITTED] TP25AP14.028
[[Page 23092]]
For all clothes washers, exclude any volume that cannot be
occupied by the clothing load during operation.
3.1.5 Measure and record the weight of water, W, in pounds.
3.1.6 Calculate the clothes container capacity as follows:
C = W/d
Where:
C = Capacity in cubic feet (liters).
W = Mass of water in pounds (kilograms).
d = Density of water (62.0 lbs/ft\3\ for 100[emsp14][deg]F (993 kg/
m\3\ for 37.8 [deg]C) or 62.3 lbs/ft\3\ for 60[emsp14][deg]F (998
kg/m\3\ for 15.6 [deg]C)).
3.1.7 Calculate the clothes container capacity, C, to the
nearest 0.01 cubic foot for the purpose of determining test load
sizes per Table 5.1 of this appendix and for all subsequent
calculations that include the clothes container capacity.
3.2 Procedure for measuring water and energy consumption values
on all automatic and semi-automatic washers.
3.2.1 Perform all energy consumption tests under the energy test
cycle.
3.2.2 Perform the test sections listed in Table 3.2.2 in
accordance with the wash/rinse temperature selections available in
the energy test cycle.
Table 3.2.2--Test Section Reference
------------------------------------------------------------------------
Corresponding
Wash/rinse temperature selections available in the test section
energy test cycle reference
------------------------------------------------------------------------
Extra Hot/Cold........................................ 3.3
Hot/Cold.............................................. 3.4
Warm/Cold............................................. 3.5
Warm/Warm............................................. 3.6
Cold/Cold............................................. 3.7
------------------------------------------------------------------------
Test Sections Applicable to all Clothes Washers
------------------------------------------------------------------------
Remaining Moisture Content............................ 3.8
Combined Low-Power Mode Power......................... 3.9
------------------------------------------------------------------------
3.2.3 Hot and cold water faucets.
3.2.3.1 For automatic clothes washers, open both the hot and
cold water faucets.
3.2.3.2 For semi-automatic washers:
(1) For hot inlet water temperature, open the hot water faucet
completely and close the cold water faucet;
(2) For warm inlet water temperature, open both hot and cold
water faucets completely;
(3) For cold inlet water temperature, close the hot water faucet
and open the cold water faucet completely.
3.2.4 Wash/rinse temperature selection. Set the wash/rinse
temperature selection control to obtain the desired wash/rinse
temperature selection within the energy test cycle.
3.2.5 Wash time setting. If one wash time is prescribed for the
wash cycle under test, that shall be the wash time setting;
otherwise, the wash time setting shall be the higher of either the
minimum or 70 percent of the maximum wash time available for the
wash cycle under test, regardless of the labeling of suggested dial
locations. If the clothes washer is equipped with an
electromechanical dial controlling wash time, reset the dial to the
minimum wash time and then turn it in the direction of increasing
wash time to reach the appropriate setting. If the appropriate
setting is passed, return the dial to the minimum wash time and then
turn in the direction of increasing wash time until the appropriate
setting is reached.
3.2.6 Water fill levels.
3.2.6.1 Clothes washers with manual water fill control system.
Set the water fill selector to the maximum water level available for
the maximum test load size and the minimum water level available for
the minimum test load size.
3.2.6.2 Clothes washers with automatic water fill control
system.
3.2.6.2.1 Not user adjustable. The maximum, minimum, and average
water levels as described in the following sections refer to the
amount of water fill that is automatically selected by the control
system when the respective test loads are used.
3.2.6.2.2 User adjustable. Conduct four tests on clothes washers
with user adjustable automatic water fill controls that affect the
relative wash water levels. Conduct the first test using the maximum
test load and with the automatic water fill control system set in
the setting that will give the most energy intensive result. Conduct
the second test using the minimum test load and with the automatic
water fill control system set in the setting that will give the
least energy intensive result. Conduct the third test using the
average test load and with the automatic water fill control system
set in the setting that will give the most energy intensive result
for the given test load. Conduct the fourth test using the average
test load and with the automatic water fill control system set in
the setting that will give the least energy intensive result for the
given test load. Average the results of the third and fourth tests
to obtain the energy and water consumption values for the average
test load size.
3.2.6.3 Clothes washers with automatic water fill control system
and alternate manual water fill control system. If a clothes washer
with an automatic water fill control system allows user selection of
manual controls as an alternative, test both manual and automatic
modes and, for each mode, calculate the energy consumption
(HET, MET, and DE) and water
consumption (QT) values as set forth in section 4 of this
appendix. Then, calculate the average of the two values (one from
each mode, automatic and manual) for each variable (HET,
MET, DE, and QT) and use the
average value for each variable in the final calculations in section
4 of this appendix.
3.2.7 Manufacturer default settings. For all wash cycles tested,
use the manufacturer default settings, except for (1) the
temperature selection, (2) the wash water fill levels, or (3) if
necessary, the spin speeds on wash cycles used to determine
remaining moisture content. This includes wash conditions such as
agitation/tumble operation, soil level, spin speed on wash cycles
used to determine energy and water consumption, wash times, rinse
times, optional rinse settings, water heating time for water heating
clothes washers, and all other wash parameters or optional features
applicable to that wash cycle. Include any optional wash cycle
feature for testing (other than wash/rinse temperature, water fill
level selection, or spin speed on wash cycles used to determine
remaining moisture content) that is activated by default on the wash
cycle under test unless the manufacturer instructions recommend not
selecting this option for washing normally soiled cotton or linen
clothes.
3.2.8 For each wash cycle tested, include the entire active
washing mode and exclude any delay start or cycle finished modes.
3.2.9 Discard the data from a wash cycle that terminates
prematurely if an out-of-balance condition is detected, and thus
does not include the agitation/tumble operation, spin speed(s), wash
times, and rinse times applicable to the wash cycle under test.
3.3 Extra Hot wash/Cold rinse. Measure the water and electrical
energy consumption for each water fill level and test load size as
specified in sections 3.3.1 through 3.3.3 of this appendix for the
Extra Hot wash/Cold rinse as defined within the energy test cycle.
Testing parties may use non-reversible temperature indicator
labels, adhered to the inside of the clothes container, to determine
the maximum water temperature during the wash cycle. If using a
temperature indicator label to test a front-loading clothes washer,
adhere the label along the inner circumference of the clothes
container drum, midway between the front and the back of the clothes
container. If using a temperature indicator label to test a top-
loading clothes washer, adhere the label along the inner
circumference of the clothes container drum, as close to the bottom
of the container as possible.
3.3.1 Maximum test load and water fill. Measure the values for
hot water consumption (Hmx), cold water consumption
(Cmx), and electrical energy consumption (Emx)
for an Extra Hot wash/Cold rinse cycle, with the controls set for
the maximum water fill level. Use the maximum test load size as
specified in Table 5.1 of this appendix.
3.3.2 Minimum test load and water fill. Measure the values for
hot water consumption (Hmn), cold water consumption
(Cmn), and electrical energy consumption (Emn)
for an Extra Hot wash/Cold rinse cycle, with the controls set for
the minimum water fill level. Use the minimum test load size as
specified in Table 5.1 of this appendix.
3.3.3 Average test load and water fill. For a clothes washer
with an automatic water fill control system, measure the values for
hot water consumption (Hma), cold water consumption
(Cma), and electrical energy consumption (Ema)
for an Extra Hot wash/Cold rinse cycle. Use the average test load
size as specified in Table 5.1 of this appendix.
3.4 Hot wash/Cold rinse. Measure the water and electrical energy
consumption for each water fill level and test load size as
specified in sections 3.4.1 through 3.4.3 of this appendix for the
Hot wash/Cold rinse temperature selection, as defined within the
energy test cycle.
3.4.1 Maximum test load and water fill. Measure the values for
hot water
[[Page 23093]]
consumption (Hhx), cold water consumption
(Chx), and electrical energy consumption (Ehx)
for a Hot wash/Cold rinse cycle, with the controls set for the
maximum water fill level. Use the maximum test load size as
specified in Table 5.1 of this appendix.
3.4.2 Minimum test load and water fill. Measure the values for
hot water consumption (Hhn), cold water consumption
(Chn), and electrical energy consumption (Ehn)
for a Hot wash/Cold rinse cycle, with the controls set for the
minimum water fill level. Use the minimum test load size as
specified in Table 5.1 of this appendix.
3.4.3 Average test load and water fill. For a clothes washer
with an automatic water fill control system, measure the values for
hot water consumption (Hha), cold water consumption
(Cha), and electrical energy consumption (Eha)
for a Hot wash/Cold rinse cycle. Use the average test load size as
specified in Table 5.1 of this appendix.
3.5 Warm wash/Cold rinse. Measure the water and electrical
energy consumption for each water fill level and test load size as
specified in 3.5.1 through 3.5.3 of this appendix for the applicable
Warm wash/Cold rinse temperature selection(s), as defined within the
energy test cycle.
For a clothes washer with fewer than four discrete Warm wash/
Cold rinse temperature selections, test all Warm wash/Cold rinse
selections. For a clothes washer that offers four or more Warm wash/
Cold rinse selections, test at all discrete selections, or test at
25 percent, 50 percent, and 75 percent positions of the temperature
selection device between the hottest hot (<= 135[emsp14][deg]F (57.2
[deg]C)) wash and the coldest cold wash. If a selection is not
available at the 25, 50 or 75 percent position, in place of each
such unavailable selection, use the next warmer setting. For each
reportable value to be used for the Warm wash/Cold rinse temperature
selection, calculate the average of all Warm wash/Cold rinse
temperature selections tested pursuant to this section.
3.5.1 Maximum test load and water fill. Measure the values for
hot water consumption (Hwx), cold water consumption
(Cwx), and electrical energy consumption (Ewx)
for the Warm wash/Cold rinse cycle, with the controls set for the
maximum water fill level. Use the maximum test load size as
specified in Table 5.1 of this appendix.
3.5.2 Minimum test load and water fill. Measure the values for
hot water consumption (Hwn), cold water consumption
(Cwn), and electrical energy consumption (Ewn)
for the Warm wash/Cold rinse cycle, with the controls set for the
minimum water fill level. Use the minimum test load size as
specified in Table 5.1 of this appendix.
3.5.3 Average test load and water fill. For a clothes washer
with an automatic water fill control system, measure the values for
hot water consumption (Hwa), cold water consumption
(Cwa), and electrical energy consumption (Ewa)
for a Warm wash/Cold rinse cycle. Use the average test load size as
specified in Table 5.1 of this appendix.
3.6 Warm wash/Warm rinse. Measure the water and electrical
energy consumption for each water fill level and/or test load size
as specified in 3.6.1 through 3.6.3 of this appendix for the
applicable Warm wash/Warm rinse temperature selection(s), as defined
within the energy test cycle.
For a clothes washer with fewer than four discrete Warm wash/
Warm rinse temperature selections, test all Warm wash/Warm rinse
selections. For a clothes washer that offers four or more Warm wash/
Warm rinse selections, test at all discrete selections, or test at
25 percent, 50 percent, and 75 percent positions of the temperature
selection device between the hottest hot (<=135[emsp14][deg]F (57.2
[deg]C)) wash and the coldest cold wash. If a selection is not
available at the 25, 50 or 75 percent position, in place of each
such unavailable selection use the next warmer setting. For each
reportable value to be used for the Warm wash/Warm rinse temperature
selection, calculate the arithmetic average of all Warm wash/Warm
rinse temperature selections tested pursuant to this section.
3.6.1 Maximum test load and water fill. Measure the values for
hot water consumption (Hwwx), cold water consumption
(Cwwx), and electrical energy consumption
(Ewwx) for the Warm wash/Warm rinse cycle, with the
controls set for the maximum water fill level. Use the maximum test
load size as specified in Table 5.1 of this appendix.
3.6.2 Minimum test load and water fill. Measure the values for
hot water consumption (Hwwn), cold water consumption
(Cwwn), and electrical energy consumption
(Ewwn) for the Warm wash/Warm rinse cycle, with the
controls set for the minimum water fill level. Use the minimum test
load size as specified in Table 5.1 of this appendix.
3.6.3 Average test load and water fill. For a clothes washer
with an automatic water fill control system, measure the values for
hot water consumption (Hwwa), cold water consumption
(Cwwa), and electrical energy consumption
(Ewwa) for the Warm wash/Warm rinse cycle. Use the
average test load size as specified in Table 5.1 of this appendix.
3.7 Cold wash/Cold rinse. Measure the water and electrical
energy consumption for each water fill level and test load size as
specified in sections 3.7.1 through 3.7.3 of this appendix for the
applicable Cold wash/Cold rinse temperature selection, as defined
within the energy test cycle.
3.7.1 Maximum test load and water fill. Measure the values for
hot water consumption (Hcx), cold water consumption
(Ccx), and electrical energy consumption (Ecx)
for a cold wash/cold rinse cycle, with the controls set for the
maximum water fill level. Use the maximum test load size as
specified in Table 5.1 of this appendix.
3.7.2 Minimum test load and water fill. Measure the values for
hot water consumption (Hcn), cold water consumption
(Ccn), and electrical energy consumption (Ecn)
for a cold wash/cold rinse cycle, with the controls set for the
minimum water fill level. Use the minimum test load size as
specified in Table 5.1 of this appendix.
3.7.3 Average test load and water fill. For a clothes washer
with an automatic water fill control system, measure the values for
hot water consumption (Hca), cold water consumption
(Cca), and electrical energy consumption (Eca)
for a cold wash/cold rinse cycle. Use the average test load size as
specified in Table 5.1 of this appendix.
3.8 Remaining moisture content (RMC).
3.8.1 The wash temperature must be the same as the rinse
temperature for all testing. Use the maximum test load as defined in
Table 5.1 of this appendix for testing.
3.8.2 Clothes washers with cold rinse only.
3.8.2.1 Record the actual ``bone dry'' weight of the test load
(WIx), then place the test load in the clothes washer.
3.8.2.2 Set the water level controls to maximum fill.
3.8.2.3 Run the Cold wash/Cold rinse cycle.
3.8.2.4 Record the weight of the test load immediately after
completion of the wash cycle (WCx).
3.8.2.5 Calculate the remaining moisture content of the maximum
test load, RMCx, defined as:
RMCx = (WCx-WIx)/WIx
3.8.2.6 Apply the RMC correction curve described in section 6.3
of this appendix to calculate the corrected remaining moisture
content, RMCcorr, expressed as a percentage as follows:
RMCcorr = (A x RMCx + B) x 100%
Where:
A and B are the coefficients of the RMC correction curve as defined
in section 6.2.1 of this appendix.
RMCx = As defined in section 3.8.2.5 of this appendix.
3.8.2.7 Use RMCcorr as the final corrected RMC in
section 4.3 of this appendix.
3.8.3 Clothes washers with both cold and warm rinse options.
3.8.3.1 Complete sections 3.8.2.1 through 3.8.2.4 of this
appendix for a Cold wash/Cold rinse cycle. Calculate the remaining
moisture content of the maximum test load for Cold wash/Cold rinse,
RMCCOLD, defined as:
RMCCOLD = (WCx-WIx)/WIx
3.8.3.2 Apply the RMC correction curve described in section 6.3
of this appendix to calculate the corrected remaining moisture
content for Cold wash/Cold rinse, RMCCOLD,corr, expressed
as a percentage, as follows:
RMCCOLD,corr = (A x RMCCOLD + B) x 100%
Where:
A and B are the coefficients of the RMC correction curve as
defined in section 6.2.1 of this appendix.
RMCCOLD = As defined in section 3.8.3.1 of this appendix.
3.8.3.3 Complete sections 3.8.2.1 through 3.8.2.4 of this
appendix using a Warm wash/Warm rinse cycle instead. Calculate the
remaining moisture content of the maximum test load for Warm wash/
Warm rinse, RMCWARM, defined as:
RMCWARM = (WCx-WIx)/WIx
3.8.3.4 Apply the RMC correction curve described in section 6.3
of this appendix to calculate the corrected remaining moisture
content for Warm wash/Warm rinse, RMCWARM,corr, expressed
as a percentage, as follows:
RMCWARM,corr = (A x RMCWARM + B) x 100%
Where:
[[Page 23094]]
A and B are the coefficients of the RMC correction curve as defined
in section 6.2.1 of this appendix.
RMCWARM = As defined in section 3.8.3.3 of this appendix.
3.8.3.5 Calculate the corrected remaining moisture content of
the maximum test load, RMCcorr, expressed as a percentage
as follows:
RMCcorr = RMCCOLD,corr x (1-TUFww)
+ RMCWARM,corr x (TUFww)
Where:
RMCCOLD,corr = As defined in section 3.8.3.2 of this
Appendix.
RMCWARM,corr = As defined in section 3.8.3.4 of this
Appendix.
TUFww is the temperature use factor for Warm wash/Warm
rinse as defined in Table 4.1.1 of this appendix.
3.8.3.6 Use RMCcorr as calculated in section 3.8.3.5
as the final corrected RMC used in section 4.3 of this appendix.
3.8.4 Clothes washers that have options such as multiple
selections of spin speeds or spin times that result in different RMC
values, and that are available within the energy test cycle.
3.8.4.1 Complete sections 3.8.2 or 3.8.3 of this appendix, as
applicable, using the maximum and minimum extremes of the available
spin options, excluding any ``no spin'' (zero spin speed) settings.
Combine the calculated values RMCcorr,max extraction and
RMCcorr,min extraction at the maximum and minimum
settings, respectively, as follows:
RMCcorr = 0.75 x RMCcorr,max extraction + 0.25
x RMCcorr,min extraction
Where:
RMCcorr,max extraction is the corrected remaining
moisture content using the maximum spin setting, calculated
according to section 3.8.2 or 3.8.3 of this appendix, as applicable.
RMCcorr,min extraction is the corrected remaining
moisture content using the minimum spin setting, calculated
according to section 3.8.2 or 3.8.3 of this appendix, as applicable.
3.8.4.2 Use RMCcorr as calculated in section 3.8.4.1
as the final corrected RMC used in section 4.3 of this appendix.
3.8.5 The procedure for calculating the corrected RMC as
described in section 3.8.2, 3.8.3, or 3.8.4 of this appendix may be
replicated twice in its entirety, for a total of three independent
corrected RMC measurements. If three replications of the RMC
measurement are performed, use the average of the three corrected
RMC measurements as the final corrected RMC in section 4.3 of this
appendix.
3.9 Combined low-power mode power. Connect the clothes washer to
a watt meter as specified in section 2.5.3 of this appendix.
Establish the testing conditions set forth in sections 2.1, 2.4, and
2.10 of this appendix. Perform combined low-power mode testing after
completion of an active mode wash cycle included as part of the
energy test cycle; after removing the test load; without changing
the control panel settings used for the active mode wash cycle; and
without disconnecting the electrical energy supply to the clothes
washer between completion of the active mode wash cycle and the
start of combined low-power mode testing. For a clothes washer that
takes some time to enter a stable state from a higher power state as
discussed in Section 5, Paragraph 5.1, note 1 of IEC 62301
(incorporated by reference; see Sec. 430.3), allow sufficient time
for the clothes washer to reach the lower power state before
proceeding with the test measurement. Follow the test procedure for
the sampling method specified in Section 5, Paragraph 5.3.2 of IEC
62301 for testing in either inactive mode, off mode, or both, as
described in sections 3.9.1 and 3.9.2 of this appendix.
3.9.1. If a clothes washer has an inactive mode as defined in
section 1.16 of this appendix, measure and record the average
inactive mode power of the clothes washer, Pia, in Watts,
for that mode.
3.9.2. If a clothes washer has an off mode as defined in section
1.26 of this appendix, measure and record its average off mode
power, Po, in watts, for that mode.
3.10 Energy consumption for the purpose of determining the cycle
selection(s) to be included in the energy test cycle. This section
is implemented only in cases where the energy test cycle flowcharts
in section 2.12 require the determination of the wash/rinse
temperature selection with the highest energy consumption.
3.10.1 For the wash/rinse temperature selection being considered
under this section, establish the testing conditions set forth in
section 2 of this appendix. Select the applicable cycle selection
and wash/rinse temperature selection. For all wash/rinse temperature
selections, the manufacturer default settings shall be used as
described in section 3.2.7 of this appendix.
3.10.2 Use the clothes washer's maximum test load size,
determined from Table 5.1 of this appendix, for testing under this
section.
3.10.3 For clothes washers with a manual fill control system,
user-adjustable automatic water fill control system, or automatic
water fill control system with alternate manual water fill control
system, use the water fill selector setting resulting in the maximum
water level available for each cycle selection for testing under
this section.
3.10.3 Each wash cycle tested under this section shall include
the entire active washing mode and exclude any delay start or cycle
finished modes.
3.10.4 Measure each wash cycle's electrical energy consumption
(EX) and hot water consumption (HX). Calculate
the total energy consumption for each cycle selection
(ETX), as follows:
ETX = EX + (HX x T x K)
Where:
EX is the electrical energy consumption, expressed in
kilowatt-hours per cycle.
HX is the hot water consumption, expressed in gallons per
cycle.
T = nominal temperature rise = 75[emsp14][deg]F (41.7 [deg]C)
K = Water specific heat in kilowatt-hours per gallon per degree F =
0.00240 kWh/gal-[deg]F (0.00114 kWh/L-[deg]C)
4. Calculation of Derived Results From Test Measurements
4.1 Hot water and machine electrical energy consumption of
clothes washers.
4.1.1 Per-cycle temperature-weighted hot water consumption for
all maximum, average, and minimum water fill levels tested.
Calculate the per-cycle temperature-weighted hot water consumption
for the maximum water fill level, Vhx, the average water
fill level, Vha, and the minimum water fill level,
Vhn, expressed in gallons per cycle (or liters per cycle)
and defined as:
(a) Vhx = [lsqb]Hmx x TUFm[rsqb] +
[lsqb]Hhx x TUFh[rsqb] + [lsqb]Hwx
x TUFw[rsqb] + [lsqb]Hwwx x
TUFww[rsqb] + [lsqb]Hcx x
TUFc[rsqb]
(b) Vha = [lsqb] Hma x TUFm[rsqb] +
[lsqb]Hha x TUFh[rsqb] + [lsqb]Hwa
x TUFw[rsqb] + [lsqb]Hwwa x
TUFww[rsqb] + [lsqb]Hca x
TUFc[rsqb]
(c) Vhn = [lsqb]Hmn x TUFm[rsqb] +
[lsqb]Hhn x TUFh[rsqb] + [lsqb]Hwn
x TUFw[rsqb] + [lsqb]Hwwn x
TUFww[rsqb] + [lsqb]Hcn x
TUFc[rsqb]
Where:
Hmx, Hma, and Hmn, are reported hot
water consumption values, in gallons per-cycle (or liters per
cycle), at maximum, average, and minimum water fill levels,
respectively, for the Extra Hot wash/Cold rinse cycle, as measured
in sections 3.3.1 through 3.3.3 of this appendix.
Hhx, Hha, and Hhn, are reported hot
water consumption values, in gallons per-cycle (or liters per
cycle), at maximum, average, and minimum water fill levels,
respectively, for the Hot wash/Cold rinse cycle, as measured in
sections 3.4.1 through 3.4.3 of this appendix.
Hwx, Hwa, and Hwn, are reported hot
water consumption values, in gallons per-cycle (or liters per
cycle), at maximum, average, and minimum water fill levels,
respectively, for the Warm wash/Cold rinse cycle, as measured in
sections 3.5.1 through 3.5.3 of this appendix.
Hwwx, Hwwa, and Hwwn, are reported
hot water consumption values, in gallons per-cycle (or liters per
cycle), at maximum, average, and minimum water fill levels,
respectively, for the Warm wash/Warm rinse cycle, as measured in
sections 3.6.1 through 3.6.3 of this appendix.
Hcx, Hca, and Hcn, are reported hot
water consumption values, in gallons per-cycle (or liters per
cycle), at maximum, average, and minimum water fill levels,
respectively, for the Cold wash/Cold rinse cycle, as measured in
sections 3.7.1 through 3.7.3 of this appendix.
TUFm, TUFh, TUFw, TUFww,
and TUFc are temperature use factors for Extra Hot wash/
Cold rinse, Hot wash/Cold rinse, Warm wash/Cold rinse, Warm wash/
Warm rinse, and Cold wash/Cold rinse temperature selections,
respectively, as defined in Table 4.1.1 of this appendix.
[[Page 23095]]
Table 4.1.1--Temperature Use Factors
--------------------------------------------------------------------------------------------------------------------------------------------------------
Clothes washers with cold rinse only Clothes washers with both cold
------------------------------------------------------- and warm rinse
Wash/Rinse temperature selections available in the energy test --------------------------------
cycle H/C W/C XH/C H/C XH/C H/C XH/C H/C
C/C H/C C/C C/C C/C W/C C/C H/C W/C XH/C H/C W/C W/W
W/W C/C W/W C/C C/C
--------------------------------------------------------------------------------------------------------------------------------------------------------
TUFm (Extra Hot/Cold)........................................... ......... ......... ......... 0.14 0.05 ......... 0.14 0.05
TUFh (Hot/Cold)................................................. ......... 0.63 0.14 * 0.49 0.09 0.14 * 0.22 0.09
TUFw (Warm/Cold)................................................ ......... ......... 0.49 ......... 0.49 0.22 ......... 0.22
TUFww (Warm/Warm)............................................... ......... ......... ......... ......... ......... 0.27 0.27 0.27
TUFc (Cold/Cold)................................................ 1.00 0.37 0.37 0.37 0.37 0.37 0.37 0.37
--------------------------------------------------------------------------------------------------------------------------------------------------------
* On clothes washers with only two wash temperature selections <=135 [deg]F, the higher of the two wash temperatures is classified as a Hot wash/Cold
rinse, in accordance with the wash/rinse temperature definitions within the energy test cycle.
4.1.2 Total per-cycle hot water energy consumption for all
maximum, average, and minimum water fill levels tested. Calculate
the total per-cycle hot water energy consumption for the maximum
water fill level, HEmax, the average water fill level,
HEavg, and the minimum water fill level,
HEmin, expressed in kilowatt-hours per cycle and defined
as:
(a) HEmax = [lsqb]Vhx x T x K[rsqb] =
Total energy when a maximum load is tested.
(b) HEavg = [lsqb]Vha x T x K[rsqb] =
Total energy when an average load is tested.
(c) HEmin = [lsqb]Vhn x T x K[rsqb] =
Total energy when a minimum load is tested.
Where:
Vhx, Vha, and Vhn are defined in
section 4.1.1 of this appendix.
T = Temperature rise = 75 [deg]F (41.7 [deg]C).
K = Water specific heat in kilowatt-hours per gallon per degree F =
0.00240 kWh/gal-[deg]F (0.00114 kWh/L-[deg]C).
4.1.3 Total weighted per-cycle hot water energy consumption.
Calculate the total weighted per-cycle hot water energy consumption,
HET, expressed in kilowatt-hours per cycle and defined
as:
HET = [lsqb]HEmax x Fmax[rsqb] +
[lsqb]HEavg x Favg[rsqb] + HEmin x
Fmin[rsqb]
Where:
HEmax, HEavg, and HEmin are defined
in section 4.1.2 of this appendix.
Fmax, Favg, and Fmin are the load
usage factors for the maximum, average, and minimum test loads based
on the size and type of the control system on the washer being
tested, as defined in Table 4.1.3 of this appendix.
Table 4.1.3--Load Usage Factors
------------------------------------------------------------------------
Water fill control
system
Load usage factor -------------------------
Manual Automatic
------------------------------------------------------------------------
Fmax =........................................ 0.72 0.12
Favg =........................................ ........... 0.74
Fmin =........................................ 0.28 0.14
------------------------------------------------------------------------
4.1.4 Per-cycle machine electrical energy consumption for all
maximum, average, and minimum test load sizes. Calculate the total
per-cycle machine electrical energy consumption for the maximum
water fill level, MEmax, the average water fill level,
MEavg, and the minimum water fill level,
MEmin, expressed in kilowatt-hours per cycle and defined
as:
(a) MEmax = [Emx x TUFm] +
[Ehx x TUFh] + [Ewx x
TUFw] + [Ewwx x TUFww] +
[Ecx x TUFc]
(b) MEavg = [Ema x TUFm] +
[Eha x TUFh] + [Ewa x
TUFw] + [Ewwa x TUFww] +
[Eca x TUFc]
(c) MEmin = [Emn x TUFm] +
[Ehn x TUFh] + [Ewn x
TUFw] + [Ewwn x TUFww] +
[Ecn x TUFc]
Where:
Emx, Ema, and Emn, are reported
electrical energy consumption values, in kilowatt-hours per cycle,
at maximum, average, and minimum test loads, respectively, for the
Extra Hot wash/Cold rinse cycle, as measured in sections 3.3.1
through 3.3.3 of this appendix.
Ehx, Eha, and Ehn, are reported
electrical energy consumption values, in kilowatt-hours per cycle,
at maximum, average, and minimum test loads, respectively, for the
Hot wash/Cold rinse cycle, as measured in sections 3.4.1 through
3.4.3 of this appendix.
Ewx, Ewa, and Ewn, are reported
electrical energy consumption values, in kilowatt-hours per cycle,
at maximum, average, and minimum test loads, respectively, for the
Warm wash/Cold rinse cycle, as measured in sections 3.5.1 through
3.5.3 of this appendix.
Ewwx, Ewwa, and Ewwn, are reported
electrical energy consumption values, in kilowatt-hours per cycle,
at maximum, average, and minimum test loads, respectively, for the
Warm wash/Warm rinse cycle, as measured in sections 3.6.1 through
3.6.3 of this appendix.
Ecx, Eca, and Ecn, are reported
electrical energy consumption values, in kilowatt-hours per cycle,
at maximum, average, and minimum test loads, respectively, for the
Cold wash/Cold rinse cycle, as measured in sections 3.7.1 through
3.7.3 of this appendix.
TUFm, TUFh, TUFw, TUFww,
and TUFc are defined in Table 4.1.1 of this appendix.
4.1.5 Total weighted per-cycle machine electrical energy
consumption. Calculate the total weighted per-cycle machine
electrical energy consumption, MET, expressed in
kilowatt-hours per cycle and defined as:
MET = [MEmax x Fmax] +
[MEavg x Favg] + [MEmin x
Fmin]
Where:
MEmax, MEavg, and MEmin are defined
in section 4.1.4 of this appendix.
Fmax, Favg, and Fmin are defined in
Table 4.1.3 of this appendix.
4.1.6 Total per-cycle energy consumption when electrically
heated water is used. Calculate the total per-cycle energy
consumption, ETE, using electrically heated water,
expressed in kilowatt-hours per cycle and defined as:
ETE = HET + MET
Where:
MET = As defined in section 4.1.5 of this appendix.
HET = As defined in section 4.1.3 of this appendix.
4.2 Water consumption of clothes washers.
4.2.1 Per-cycle water consumption for Extra Hot wash/Cold rinse.
Calculate the maximum, average, and minimum total water consumption,
expressed in gallons per cycle (or liters per cycle), for the Extra
Hot wash/Cold rinse cycle and defined as:
Qmmax = [Hmx + Cmx]
Qmavg = [Hma + Cma]
Qmmin = [Hmn + Cmn]
Where:
Hmx, Cmx, Hma, Cma,
Hmn, and Cmn are defined in section 3.3 of
this appendix.
4.2.2 Per-cycle water consumption for Hot wash/Cold rinse.
Calculate the maximum, average, and minimum total water consumption,
expressed in gallons per cycle (or liters per cycle), for the Hot
wash/Cold rinse cycle and defined as:
Qhmax = [Hhx + Chx]
Qhavg = [Hha + Cha]
Qhmin = [Hhn + Chn]
Where:
Hhx, Chx, Hha, Cha,
Hhn, and Chn are defined in section 3.4 of
this appendix.
4.2.3 Per-cycle water consumption for Warm wash/Cold rinse.
Calculate the maximum, average, and minimum total water consumption,
expressed in gallons per cycle (or liters per cycle), for the Warm
wash/Cold rinse cycle and defined as:
Qwmax = [Hwx + Cwx]
Qwavg = [Hwa + Cwa]
[[Page 23096]]
Qwmin = [Hwn + Cwn]
Where:
Hwx, Cwx, Hwa, Cwa,
Hwn, and Cwn are defined in section 3.5 of
this appendix.
4.2.4 Per-cycle water consumption for Warm wash/Warm rinse.
Calculate the maximum, average, and minimum total water consumption,
expressed in gallons per cycle (or liters per cycle), for the Warm
wash/Warm rinse cycle and defined as:
Qwwmax = [Hwwx + Cwwx]
Qwwavg = [Hwwa + Cwwa]
Qwwmin = [Hwwn + Cwwn]
Where:
Hwwx, Cwwx, Hwwa, Cwwa,
Hwwn, and Cwwn are defined in section 3.7 of
this appendix.
4.2.5 Per-cycle water consumption for Cold wash/Cold rinse.
Calculate the maximum, average, and minimum total water consumption,
expressed in gallons per cycle (or liters per cycle), for the Cold
wash/Cold rinse cycle and defined as:
Qcmax = [Hcx + Ccx]
Qcavg = [Hca + Cca]
Qcmin = [Hcn + Ccn]
Where:
Hcx, Ccx, Hca, Cca,
Hcn, and Ccn are defined in section 3.6 of
this appendix.
4.2.6 Total weighted per-cycle water consumption for Extra Hot
wash/Cold rinse. Calculate the total weighted per-cycle water
consumption for the Extra Hot wash/Cold rinse cycle, QmT,
expressed in gallons per cycle (or liters per cycle) and defined as:
QmT = [Qmmax x Fmax] +
[Qmavg x Favg] + [Qmmin x
Fmin]
Where:
Qmmax, Qmavg, Qmmin are defined in
section 4.2.1 of this appendix.
Fmax, Favg, Fmin are defined in
Table 4.1.3 of this appendix.
4.2.7 Total weighted per-cycle water consumption for Hot wash/
Cold rinse. Calculate the total weighted per-cycle water consumption
for the Hot wash/Cold rinse cycle, QhT, expressed in
gallons per cycle (or liters per cycle) and defined as:
QhT = [Qhmax x Fmax] +
[Qhavg x Favg] + [Qhmin x
Fmin]
Where:
Qhmax, Qhavg, Qhmin are defined in
section 4.2.2 of this appendix.
Fmax, Favg, Fmin are defined in
Table 4.1.3 of this appendix.
4.2.8 Total weighted per-cycle water consumption for Warm wash/
Cold rinse. Calculate the total weighted per-cycle water consumption
for the Warm wash/Cold rinse cycle, QwT, expressed in
gallons per cycle (or liters per cycle) and defined as:
QwT = [Qwmax x Fmax] +
[Qwavg x Favg] + [Qwmin x
Fmin]
Where:
Qwmax, Qwavg, Qwmin are defined in
section 4.2.3 of this appendix.
Fmax, Favg, Fmin are defined in
Table 4.1.3 of this appendix.
4.2.9 Total weighted per-cycle water consumption for Warm wash/
Warm rinse. Calculate the total weighted per-cycle water consumption
for the Warm wash/Warm rinse cycle, QwwT, expressed in
gallons per cycle (or liters per cycle) and defined as:
QwwT = [Qwwmax x Fmax] +
[Qwwavg x Favg] + [Qwwmin x
Fmin]
Where:
Qwwmax, Qwwavg, Qwwmin are defined
in section 4.2.4 of this appendix.
Fmax, Favg, Fmin are defined in
Table 4.1.3 of this appendix.
4.2.10 Total weighted per-cycle water consumption for Cold wash/
Cold rinse. Calculate the total weighted per-cycle water consumption
for the Cold wash/Cold rinse cycle, QcT, expressed in
gallons per cycle (or liters per cycle) and defined as:
QcT = [Qcmax x Fmax] +
[Qcavg x Favg] + [Qcmin x
Fmin]
Where:
Qcmax, Qcavg, Qcmin are defined in
section 4.2.5 of this appendix.
Fmax, Favg, Fmin are defined in
Table 4.1.3 of this appendix.
4.2.11 Total weighted per-cycle water consumption for all wash
cycles. Calculate the total weighted per-cycle water consumption for
all wash cycles, QT, expressed in gallons per cycle (or
liters per cycle) and defined as:
QT = [QmT x TUFm] + [QhT
x TUFh] + [QwT x TUFw] +
[QwwT x TUFww] + [QcT x T
UFc]
Where:
QmT, QhT, QwT, QwwT, and
QcT are defined in sections 4.2.6 through 4.2.10 of this
appendix.
TUFm, TUFh, TUFw, TUFww,
and TUFc are defined in Table 4.1.1 of this appendix.
4.2.12 Water factor. Calculate the water factor, WF, expressed
in gallons per cycle per cubic foot (or liters per cycle per liter),
as:
WF = QcT/C
Where:
QcT = As defined in section 4.2.10 of this appendix.
C = As defined in section 3.1.6 of this appendix.
4.2.13 Integrated water factor. Calculate the integrated water
factor, IWF, expressed in gallons per cycle per cubic foot (or liter
per cycle per liter), as:
IWF = QT/C
Where:
QT = As defined in section 4.2.11 of this Appendix.
C = As defined in section 3.1.6 of this appendix.
4.3 Per-cycle energy consumption for removal of moisture from
test load. Calculate the per-cycle energy required to remove the
remaining moisture of the test load, DE, expressed in
kilowatt-hours per cycle and defined as:
DE = [(Fmax x Maximum test load weight) +
(Favg x Average test load weight) + (Fmin x
Minimum test load weight)] x (RMCcorr-4%) x (DEF) x (DUF)
Where:
Fmax, Favg, and Fmin are defined in
Table 4.1.3 of this appendix
Maximum, average, and minimum test load weights are defined in
Table 5.1 of this appendix.
RMCcorr = As defined in section 3.8.2.6, 3.8.3.5, or
3.8.4.1 of this Appendix.
DEF = Nominal energy required for a clothes dryer to remove moisture
from clothes = 0.5 kWh/lb (1.1 kWh/kg).
DUF = Dryer usage factor, percentage of washer loads dried in a
clothes dryer = 0.91.
4.4 Per-cycle combined low-power mode energy consumption.
Calculate the per-cycle combined low-power mode energy consumption,
ETLP, expressed in kilowatt-hours per cycle and defined
as:
ETLP = [(Pia x Sia) +
(Po x So)] x Kp/295
Where:
Pia = Washer inactive mode power, in watts, as defined in
section 3.9.1 of this appendix for clothes washers capable of
operating in inactive mode; otherwise, Pia = 0.
Po = Washer off mode power, in watts, as defined in
section 3.9.2 of this appendix for clothes washers capable of
operating in off mode; otherwise, Po = 0.
Sia = Annual hours in inactive mode, defined as
Soi if no off mode is possible; [Soi/2] if
both inactive mode and off mode are possible; and 0 if no inactive
mode is possible.
So = Annual hours in off mode, defined as Soi
if no inactive mode is possible; [Soi/2] if both inactive
mode and off mode are possible; and 0 if no off mode is possible.
Soi = Combined annual hours for off and inactive mode =
8,465.
Kp = Conversion factor of watt-hours to kilowatt-hours =
0.001.
295 = Representative average number of clothes washer cycles in a
year.
4.5 Modified energy factor. Calculate the modified energy
factor, MEF, expressed in cubic feet per kilowatt-hour per cycle (or
liters per kilowatt-hour per cycle) and defined as:
MEF = C/(ETE + DE)
Where:
C = As defined in section 3.1.6 of this appendix.
ETE = As defined in section 4.1.6 of this appendix.
DE = As defined in section 4.3 of this appendix.
4.6 Integrated modified energy factor. Calculate the integrated
modified energy factor, IMEF, expressed in cubic feet per kilowatt-
hour per cycle (or liters per kilowatt-hour per cycle) and defined
as:
IMEF = C/(ETE + DE + ETLP)
Where:
C = As defined in section 3.1.6 of this appendix.
ETE = As defined in section 4.1.6 of this appendix.
DE = As defined in section 4.3 of this appendix.
ETLP = As defined in section 4.4 of this appendix.
5. Test Loads
[[Page 23097]]
Table 5.1--Test Load Sizes
----------------------------------------------------------------------------------------------------------------
Container volume Minimum load Maximum load Average load
----------------------------------------------------------------------------------------------------------------
cu. ft. liter
----------------------------------------------- lb kg lb kg lb kg
>= < >= <
----------------------------------------------------------------------------------------------------------------
0.00-0.80........................ 0.00-22.7 3.00 1.36 3.00 1.36 3.00 1.36
0.80-0.90........................ 22.7-25.5 3.00 1.36 3.50 1.59 3.25 1.47
0.90-1.00........................ 25.5-28.3 3.00 1.36 3.90 1.77 3.45 1.56
1.00-1.10........................ 28.3-31.1 3.00 1.36 4.30 1.95 3.65 1.66
1.10-1.20........................ 31.1-34.0 3.00 1.36 4.70 2.13 3.85 1.75
1.20-1.30........................ 34.0-36.8 3.00 1.36 5.10 2.31 4.05 1.84
1.30-1.40........................ 36.8-39.6 3.00 1.36 5.50 2.49 4.25 1.93
1.40-1.50........................ 39.6-42.5 3.00 1.36 5.90 2.68 4.45 2.02
1.50-1.60........................ 42.5-45.3 3.00 1.36 6.40 2.90 4.70 2.13
1.60-1.70........................ 45.3-48.1 3.00 1.36 6.80 3.08 4.90 2.22
1.70-1.80........................ 48.1-51.0 3.00 1.36 7.20 3.27 5.10 2.31
1.80-1.90........................ 51.0-53.8 3.00 1.36 7.60 3.45 5.30 2.40
1.90-2.00........................ 53.8-56.6 3.00 1.36 8.00 3.63 5.50 2.49
2.00-2.10........................ 56.6-59.5 3.00 1.36 8.40 3.81 5.70 2.59
2.10-2.20........................ 59.5-62.3 3.00 1.36 8.80 3.99 5.90 2.68
2.20-2.30........................ 62.3-65.1 3.00 1.36 9.20 4.17 6.10 2.77
2.30-2.40........................ 65.1-68.0 3.00 1.36 9.60 4.35 6.30 2.86
2.40-2.50........................ 68.0-70.8 3.00 1.36 10.00 4.54 6.50 2.95
2.50-2.60........................ 70.8-73.6 3.00 1.36 10.50 4.76 6.75 3.06
2.60-2.70........................ 73.6-76.5 3.00 1.36 10.90 4.94 6.95 3.15
2.70-2.80........................ 76.5-79.3 3.00 1.36 11.30 5.13 7.15 3.24
2.80-2.90........................ 79.3-82.1 3.00 1.36 11.70 5.31 7.35 3.33
2.90-3.00........................ 82.1-85.0 3.00 1.36 12.10 5.49 7.55 3.42
3.00-3.10........................ 85.0-87.8 3.00 1.36 12.50 5.67 7.75 3.52
3.10-3.20........................ 87.8-90.6 3.00 1.36 12.90 5.85 7.95 3.61
3.20-3.30........................ 90.6-93.4 3.00 1.36 13.30 6.03 8.15 3.70
3.30-3.40........................ 93.4-96.3 3.00 1.36 13.70 6.21 8.35 3.79
3.40-3.50........................ 96.3-99.1 3.00 1.36 14.10 6.40 8.55 3.88
3.50-3.60........................ 99.1-101.9 3.00 1.36 14.60 6.62 8.80 3.99
3.60-3.70........................ 101.9-104.8 3.00 1.36 15.00 6.80 9.00 4.08
3.70-3.80........................ 104.8-107.6 3.00 1.36 15.40 6.99 9.20 4.17
3.80-3.90........................ 107.6-110.4 3.00 1.36 15.80 7.16 9.40 4.26
3.90-4.00........................ 110.4-113.3 3.00 1.36 16.20 7.34 9.60 4.35
4.00-4.10........................ 113.3-116.1 3.00 1.36 16.60 7.53 9.80 4.45
4.10-4.20........................ 116.1-118.9 3.00 1.36 17.00 7.72 10.00 4.54
4.20-4.30........................ 118.9-121.8 3.00 1.36 17.40 7.90 10.20 4.63
4.30-4.40........................ 121.8-124.6 3.00 1.36 17.80 8.09 10.40 4.72
4.40-4.50........................ 124.6-127.4 3.00 1.36 18.20 8.27 10.60 4.82
4.50-4.60........................ 127.4-130.3 3.00 1.36 18.70 8.46 10.85 4.91
4.60-4.70........................ 130.3-133.1 3.00 1.36 19.10 8.65 11.05 5.00
4.70-4.80........................ 133.1-135.9 3.00 1.36 19.50 8.83 11.25 5.10
4.80-4.90........................ 135.9-138.8 3.00 1.36 19.90 9.02 11.45 5.19
4.90-5.00........................ 138.8-141.6 3.00 1.36 20.30 9.20 11.65 5.28
5.00-5.10........................ 141.6-144.4 3.00 1.36 20.70 9.39 11.85 5.38
5.10-5.20........................ 144.4-147.2 3.00 1.36 21.10 9.58 12.05 5.47
5.20-5.30........................ 147.2-150.1 3.00 1.36 21.50 9.76 12.25 5.56
5.30-5.40........................ 150.1-152.9 3.00 1.36 21.90 9.95 12.45 5.65
5.40-5.50........................ 152.9-155.7 3.00 1.36 22.30 10.13 12.65 5.75
5.50-5.60........................ 155.7-158.6 3.00 1.36 22.80 10.32 12.90 5.84
5.60-5.70........................ 158.6-161.4 3.00 1.36 23.20 10.51 13.10 5.93
5.70-5.80........................ 161.4-164.2 3.00 1.36 23.60 10.69 13.30 6.03
5.80-5.90........................ 164.2-167.1 3.00 1.36 24.00 10.88 13.50 6.12
5.90-6.00........................ 167.1-169.9 3.00 1.36 24.40 11.06 13.70 6.21
----------------------------------------------------------------------------------------------------------------
Notes: (1) All test load weights are bone dry weights.
(2) Allowable tolerance on the test load weights is 0.10 lbs (0.05 kg).
6. Waivers and Field Testing
6.1 Waivers and Field Testing for Nonconventional Clothes
Washers. Manufacturers of nonconventional clothes washers, such as
clothes washers with adaptive control systems, must submit a
petition for waiver pursuant to 10 CFR 430.27 to establish an
acceptable test procedure for that clothes washer if the washer
cannot be tested pursuant to the DOE test procedure or the DOE test
procedure yields results that are so unrepresentative of the clothes
washer's true energy consumption characteristics as to provide
materially inaccurate comparative data. In such cases, field testing
may be appropriate for establishing an acceptable test procedure.
The following are guidelines for field testing that may be used by
manufacturers in support of petitions for waiver. These guidelines
are not mandatory and the Department may determine that they do not
apply to a particular model. Depending upon a manufacturer's
approach for conducting field testing, additional data may be
required. Manufacturers are encouraged to communicate with the
Department prior to the commencement of field tests that may be used
to support a petition for waiver. Section 6.3 of this appendix
provides an example of
[[Page 23098]]
field testing for a clothes washer with an adaptive water fill
control system. Other features, such as the use of various spin
speed selections, could be the subject of field tests.
6.2 Nonconventional Wash System Energy Consumption Test. The
field test may consist of a minimum of 10 of the nonconventional
clothes washers (``test clothes washers'') and 10 clothes washers
already being distributed in commerce (``base clothes washers'').
The tests should include a minimum of 50 wash cycles per clothes
washer. The test clothes washers and base clothes washers should be
identical in construction except for the controls or systems being
tested. Equal numbers of both the test clothes washer and the base
clothes washer should be tested simultaneously in comparable
settings to minimize seasonal or end-user laundering conditions or
variations. The clothes washers should be monitored in such a way as
to accurately record the average total energy and water consumption
per cycle, including water heating energy when electrically heated
water is used, and the energy required to remove the remaining
moisture of the test load. Standby and off mode energy consumption
should be measured according to section 4.4 of this test procedure.
The field test results should be used to determine the best method
to correlate the rating of the test clothes washer to the rating of
the base clothes washer.
6.3 Adaptive water fill control system field test. (1) Section
3.2.6.3 of this appendix defines the test method for measuring
energy consumption for clothes washers that incorporate both
adaptive (automatic) and alternate manual water fill control
systems. Energy consumption calculated by the method defined in
section 3.2.6.3 of this appendix assumes the adaptive cycle will be
used 50 percent of the time. This section can be used to develop
field test data in support of a petition for waiver when it is
believed that the adaptive cycle will be used more than 50 percent
of the time. The field test sample size should be a minimum of 10
test clothes washers. The test clothes washers should be
representative of the design, construction, and control system that
will be placed in commerce. The duration of field testing in the
user's house should be a minimum of 50 wash cycles, for each unit.
No special instructions as to cycle selection or product usage
should be given to the field test participants, other than inclusion
of the product literature pack that would be shipped with all units,
and instructions regarding filling out data collection forms, use of
data collection equipment, or basic procedural methods. Prior to the
test clothes washers being installed in the field test locations,
baseline data should be developed for all field test units by
conducting laboratory tests as defined by section 1 through section
5 of this appendix to determine the energy consumption, water
consumption, and remaining moisture content values. The following
data should be measured and recorded for each wash load during the
test period: wash cycle selected, the mode of the clothes washer
(adaptive or manual), clothes load dry weight (measured after the
clothes washer and clothes dryer cycles are completed) in pounds,
and type of articles in the clothes load (e.g., cottons, linens,
permanent press). The wash cycles used in calculating the in-home
percentage split between adaptive and manual cycle usage should be
only those wash cycles that conform to the definition of the energy
test cycle.
Calculate:
T = The total number of wash cycles run during the field test.
Ta = The total number of adaptive control wash cycles.
Tm = The total number of manual control wash cycles.
The percentage weighting factors:
Pa = (Ta/T) x 100% (the percentage weighting
for adaptive control selection)
Pm = (Tm/T) x 100% (the percentage weighting
for manual control selection)
(2) Energy consumption (HET, MET, and
DE) and water consumption (QT) values
calculated in section 4 of this appendix for the manual and adaptive
modes should be combined using Pa and Pm as
the weighting factors.
0
8. Add a new Appendix J3 to subpart B of part 430 to read as follows:
Appendix J3 to Subpart B of Part 430-Uniform Test Method for Measuring
the Moisture Absorption and Retention Characteristics of New Energy
Test Cloth Lots
Note: DOE maintains an historical record of the standard
extractor test data and final correctio5tn curve coefficients for
each approved lot of energy test cloth. These can be accessed
through DOE's Web page for standards and test procedures for
residential clothes washers at DOE's Building Technologies Office
Appliance and Equipment Standards Web site.
1. Objective
The following procedure is used to evaluate the moisture
absorption and retention characteristics of a new lot of test cloth
by measuring the remaining moisture content (RMC) in a standard
extractor at a specified set of conditions. The results are used to
develop a set of coefficients that correlate the measured RMC values
of the new test cloth lot with a set of standard RMC values
established as an historical reference point. These correction
coefficients are applied to the RMC measurements performed during
testing according to appendix J1 or appendix J2 to 10 CFR 430
subpart B, ensuring that the final corrected RMC measurement for a
clothes washer remains independent of the test cloth lot used for
testing.
2. Definitions
2.1 AHAM means the Association of Home Appliance Manufacturers.
2.2 Bone-dry means a condition of a load of test cloth that has
been dried in a dryer at maximum temperature for a minimum of 10
minutes, removed and weighed before cool down, and then dried again
for 10 minute periods until the final weight change of the load is 1
percent or less.
2.3 Lot means a quantity of cloth that has been manufactured
with the same batches of cotton and polyester during one continuous
process.
3. Testing Conditions
3.1 Table 3.1 of this appendix provides the matrix of test
conditions. In the table, ``g Force'' represents units of
gravitational acceleration. When this matrix is repeated 3 times, a
total of 60 extractor RMC test runs are required. For the purpose of
the extractor RMC test, the test cloths may be used for up to 60
test runs (after preconditioning as specified in appendix J1 or
appendix J2).
Table 3.1--Matrix of Extractor RMC Test Conditions
----------------------------------------------------------------------------------------------------------------
Warm soak Cold soak
``g Force'' ---------------------------------------------------------------------------
15 min. spin 4 min. spin 15 min. spin 4 min. spin
----------------------------------------------------------------------------------------------------------------
100................................. ................. ................. ................. .................
200................................. ................. ................. ................. .................
350................................. ................. ................. ................. .................
500................................. ................. ................. ................. .................
650................................. ................. ................. ................. .................
----------------------------------------------------------------------------------------------------------------
3.2 Perform the standard extractor RMC tests using a North Star
Engineered Products Inc. (formerly Bock) Model 215 extractor (having
a basket diameter of 20 inches, height of 11.5 inches, and volume of
2.09 ft\3\), with a variable speed drive (North Star Engineered
Products, P.O. Box 5127, Toledo, OH 43611) or an equivalent
extractor with same basket design (i.e. diameter, height, volume,
and hole configuration) and variable speed drive. Table 3.2 shows
the extractor spin speed, in revolutions per minute (RPM), that must
be used to attain each required g-force level.
[[Page 23099]]
Table 3.2--Extractor Spin Speeds for Each Test Condition
------------------------------------------------------------------------
``g Force'' RPM
------------------------------------------------------------------------
100 594 1
200 840 1
350 1111 1
500 1328 1
650 1514 1
------------------------------------------------------------------------
3.3 Bone dryer temperature. The dryer used for bone drying must
heat the test cloth and energy stuffer cloths above 210 [deg]F (99
[deg]C).
4. Test Loads
4.1 Preconditioning. New test cloths, including energy test
cloths and energy stuffer cloths, must be pre-conditioned in a
clothes washer in the following manner:
Perform five complete wash-rinse-spin cycles, the first two with
current AHAM Standard detergent Formula 3 and the last three without
detergent. Place the test cloth in a clothes washer set at the
maximum water level. Wash the load for ten minutes in soft water (17
ppm hardness or less) using 27.0 grams + 4.0 grams per pound of
cloth load of AHAM Standard detergent Formula 3. The wash
temperature is to be controlled to 135[emsp14][deg]F 5[emsp14][deg]F (57.2 [deg]C 2.8 [deg]C) and the
rinse temperature is to be controlled to 60[emsp14][deg]F 5[emsp14][deg]F (15.6 [deg]C 2.8 [deg]C). Repeat
the cycle with detergent and then repeat the cycle three additional
times without detergent, bone drying the load between cycles (for a
total of five complete wash-rinse-spin cycles).
4.2 Test load composition. Test loads must be comprised of
randomly selected cloth at the beginning, middle and end of a lot.
4.3 Test load size. Use a test load size of 8.4 lbs. Two test
loads may be used for standard extractor RMC tests, with each load
used for half of the total number of required tests.
5. Test Measurements
5.1 Dry the test cloth until it is ``bone-dry'' according to the
definition in section 2.2 of this appendix. Record the bone-dry
weight of the test load (WI).
5.2 Prepare the test load for soak by grouping four test cloths
into loose bundles. Create the bundles by hanging four cloths
vertically from one corner and loosely wrapping the test cloth onto
itself to form the bundle. Bundles should be wrapped loosely to
ensure consistency of water extraction. Then place the bundles into
the water to soak. Eight to nine bundles will be formed depending on
the test load. The ninth bundle may not equal four cloths but can
incorporate energy stuffer cloths to help offset the size
difference.
5.3 Soak the test load for 20 minutes in 10 gallons of soft (<17
ppm) water. The entire test load must be submerged. Maintain a water
temperature of 100 [deg]F 5 [deg]F (37.8 [deg]C 2.8 [deg]C) at all times between the start and end of the
soak.
5.4 Remove the test load and allow each of the test cloth
bundles to drain over the water bath for a maximum of 5 seconds.
5.5 Manually place the test cloth bundles in the basket of the
extractor, distributing them evenly by eye. The draining and loading
process must take no longer than 1 minute. Spin the load at a fixed
speed corresponding to the intended centripetal acceleration level
(measured in units of the acceleration of gravity, g)
1g for the intended time period 5 seconds. Begin the
timer when the extractor meets the required spin speed for each
test.
5.6 Record the weight of the test load immediately after the
completion of the extractor spin cycle (WC).
5.7 Calculate the remaining moisture content of the test load as
(WC-WI)/WI.
5.8 Draining the soak tub is not necessary if the water bath is
corrected for water level and temperature before the next
extraction.
5.9 Drying the test load in between extraction runs is not
necessary. However, the bone dry weight must be checked after every
12 extraction runs to make sure the bone dry weight is within
tolerance (8.4 0.1 lb).
5.10 The test load must be soaked and extracted once following
bone drying, before continuing with the remaining extraction runs.
Perform this extraction at the same spin speed used for the
extraction run prior to bone drying, for a time period of 4 minutes.
Either warm or cold soak temperature may be used.
5.11 Measure the remaining moisture content of the test load at
five g levels: 100 g, 200 g, 350 g, 500 g, and 650 g, using two
different spin times at each g level: 4 minutes and 15 minutes.
5.12 Repeat sections 5.1 through 5.11 of this appendix using
soft (<17 ppm) water at 60[emsp14][deg]F
5[emsp14][deg]F (15.6 [deg]C 2.8 [deg]C).
6. Calculation of RMC Correction Curve
6.1 Average the values of 3 test runs, and fill in Table 3.1 of
this appendix. Perform a linear least-squares fit to determine
coefficients A and B such that the standard RMC values shown in
Table 6.1 of this appendix (RMCstandard) are linearly
related to the RMC values measured in section 5 of this appendix
(RMCcloth):
RMCstandard ~ A * RMCcloth + B
Where A and B are coefficients of the linear least-squares fit.
Table 6.1--Standard RMC Values (RMCstandard)
----------------------------------------------------------------------------------------------------------------
RMC percentage
-----------------------------------------------------------------------
Warm soak Cold soak
``g Force'' -----------------------------------------------------------------------
15 min. spin 4 min. spin 15 min. spin 4 min. spin
(percent) (percent) (percent) (percent)
----------------------------------------------------------------------------------------------------------------
100..................................... 45.9 49.9 49.7 52.8
200..................................... 35.7 40.4 37.9 43.1
350..................................... 29.6 33.1 30.7 35.8
500..................................... 24.2 28.7 25.5 30.0
650..................................... 23.0 26.4 24.1 28.0
----------------------------------------------------------------------------------------------------------------
6.2 Perform an analysis of variance with replication test using
two factors, spin speed and lot, to check the interaction of speed
and lot. Use the values from Table 3.1 and Table 6.1 of this
appendix in the calculation. The ``P'' value of the F-statistic for
interaction between spin speed and lot in the variance analysis must
be greater than or equal to 0.1. If the ``P'' value is less than
0.1, the test cloth is unacceptable. ``P'' is a theoretically based
measure of interaction based on an analysis of variance.
7. Application of the RMC Correction Curve
7.1 Using the coefficients A and B calculated in section 6.1 of
this appendix:
RMCcorr = A x RMC + B
7.2 Apply this RMC correction curve to measured RMC values in
appendix J1 and appendix J2.
[FR Doc. 2014-08741 Filed 4-24-14; 8:45 am]
BILLING CODE 6450-01-P