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Federal Register / Vol. 86, No. 193 / Friday, October 8, 2021 / Rules and Regulations appendices D1 and D2 to subpart B of this part.

5. Section 430.23 is amended by revising paragraph d to read as follows:
430.23 Test procedures for the measurement of energy and water consumption.

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d Clothes dryers. 1 The estimated annual energy consumption for clothes dryers, expressed in kilowatt-hours per year, shall be the product of the annual representative average number of clothes dryer cycles as specified in appendix D1 or D2 to this subpart, as appropriate, and the per-cycle combined total energy consumption in kilowatthours per cycle, determined according to section 4.6 of appendix D1 or section 4.6 of appendix D2 to this subpart, as appropriate.
2 The estimated annual operating cost for clothes dryers shall be i For an electric clothes dryer, the product of the following three factors, with the resulting product then being rounded off to the nearest dollar per year:
A The annual representative average number of clothes dryer cycles as specified in appendix D1 or appendix D2 to this subpart, as appropriate;
B The per-cycle combined total energy consumption in kilowatt-hours per cycle, determined according to section 4.6 of appendix D1 or section 4.6 of appendix D2 to this subpart, as appropriate; and C The representative average unit cost of electrical energy in dollars per kilowatt-hour as provided by the Secretary; and ii For a gas clothes dryer, the product of the annual representative average number of clothes dryer cycles as specified in appendix D1 or D2 to this subpart, as appropriate, times the sum of the following three factors, with the resulting product then being rounded off to the nearest dollar per year:
A The product of the per-cycle gas dryer electric energy consumption in kilowatt-hours per cycle, determined according to section 4.2 of appendix D1
or section 4.2 of appendix D2 to this subpart, as appropriate, times the representative average unit cost of electrical energy in dollars per kilowatthour as provided by the Secretary; plus, B The product of the per-cycle gas dryer gas energy consumption, in Btus per cycle, determined according to section 4.3 of appendix D1 or section 4.3 of appendix D2 to this subpart, as appropriate, times the representative
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average unit cost for natural gas or propane, as appropriate, in dollars per Btu as provided by the Secretary; plus, C The product of the per-cycle standby mode and off mode energy consumption in kilowatt-hours per cycle, determined according to section 4.5 of appendix D1 or section 4.5 of appendix D2 to this subpart, as appropriate, times the representative average unit cost of electrical energy in dollars per kilowatt-hour as provided by the Secretary.
3 The combined energy factor, expressed in pounds per kilowatt-hour is determined in accordance with section 4.7 of appendix D1 or section 4.7 of appendix D2 to this subpart, as appropriate, the result then being rounded off to the nearest hundredth 0.01.
4 Other useful measures of energy consumption for clothes dryers shall be those measures of energy consumption for clothes dryers which the Secretary determines are likely to assist consumers in making purchasing decisions and which are derived from the application of appendix D1 or D2 to this subpart, as appropriate.

Appendix D to Subpart B of Part 430
Removed 6. Appendix D to subpart B of part 430
is removed.
7. Appendix D1 to subpart B of part 430 is amended by:
a. Revising the introductory note;
b. Adding section 0;
c. Revising section 1.3;
d. Removing the word clothes, in section 1.5, and adding in its place cloths;
e. Removing sections 1.7 and 1.14;
f. Redesignating sections 1.8 through 1.11 as sections 1.7 through 1.10, respectively, and section 1.13 as section 1.14;
g. Adding new sections 1.11 and 1.13;
h. Revising section 1.18;
i. Revising the first sentence of section 2.1.1 and revising section 2.1.2;
j. Revising the first sentence of section 2.1.3;
k. Revising sections 2.2.1, 2.3.2.1, and 2.3.2.2;
l. Adding section 2.3.2.3;
m. Redesignating section 2.4.1 as section 2.4.1.1;
n. Adding new section 2.4.1;
o. Revising newly redesignated 2.4.1.1;
p. Removing the word Clothes, in section 2.6, and adding in its place Cloths;
q. Revising sections 2.7.1, 2.7.2, and 2.8.1;

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r. In section 3.1, in the last sentence of the introductory text, adding the text to the nearest 0.1 cubic foot following the text is calculated;
s. Revising sections 3.3, 3.4.1, 3.4.2, 3.4.3, 3.6, 3.6.1, and 3.6.2;
t. Adding sections 3.6.3 and 3.6.4;
u. Revising sections 4.1, 4.2, 4.3, and 4.5;
v. Removing section 4.7; and w. Redesignating section 4.8 as section 4.7.
The revisions and additions read as follows:

Appendix D1 to Subpart B of Part 430
Uniform Test Method for Measuring the Energy Consumption of Clothes Dryers Note: The procedures in either this appendix or appendix D2 to this subpart must be used to determine compliance with energy conservation standards for clothes dryers manufactured on or after January 1, 2015. Manufacturers must use a single appendix for all representations, including certifications of compliance, and may not use this appendix for certain representations and appendix D2 to this subpart for other representations.
0. Incorporation by Reference DOE incorporated by reference in 430.3
the standards for AHAM HLD1 and IEC
62301, in their entirety, however, only enumerated provisions of those documents are applicable to this appendix. In cases where there is a conflict between any industry standards and this appendix, the language of the test procedure in this appendix takes precedence over the industry standards.
1 AHAM HLD1:
i Section 3.3.5.1 Standard Simulator as referenced in sections 2.1.2 through 2.1.3 of this appendix.
ii Reserved 2 IEC 62301:
i Section 5, Paragraph 5.1, Note 1 as referenced in section 3.6.2 of this appendix.
ii Section 5, Paragraph 5.3.2 Sampling Method as referenced in section 3.6.3 of this appendix.
1.
1.3 AHAM HLD1 means the test standard published by the Association of Home Appliance Manufacturers, titled Household Tumble Type Clothes Dryers, ANSI-approved June 11, 2010, ANSI/AHAM
HLD12010.

1.11 Final moisture content FMC
means the ratio of the weight of water contained by the dry test load i.e., after completion of the drying cycle to the bonedry weight of the test load, expressed as a percent.

1.13 Initial moisture content IMC
means the ratio of the weight of water contained by the damp test load i.e., prior to completion of the drying cycle to the
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