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Federal Register / Vol. 86, No. 243 / Wednesday, December 22, 2021 / Proposed Rules
EAOC = De ETLP + De N M +
MWS + MDO + MCO + EF ED/
2.
Where, De = the representative average unit cost of electrical energy, in dollars per kilowatthour, as provided by the Secretary, ETLP = the annual combined low-power mode energy consumption in kilowatt-hours per year and determined according to section 5 of appendix C1 or appendix C2
to this subpart, as applicable, N = the representative average dishwasher use of 215 cycles per year when EAOC
is determined pursuant to appendix C1
to this subpart, and 184 cycles per year when EAOC is determined pursuant to appendix C2 to this subpart, M = the machine energy consumption per cycle, in kilowatt-hours and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable, MWS = the machine energy consumption per cycle for water softener regeneration, in kilowatt-hours and determined pursuant to section 5 of appendix C1 or appendix C2 to this subpart, as applicable, MDO = for water re-use system dishwashers, the machine energy consumption per cycle during a drain out event in kilowatt-hours and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable, MCO = for water re-use system dishwashers, the machine energy consumption per cycle during a clean out event, in kilowatt-hours and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable, EF = the fan-only mode energy consumption per cycle, in kilowatt-hours and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable, and ED = the drying energy consumption, in kilowatt-hours and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable.

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ii When electrically-heated water 120 F or 140 F is used, EAOC = De ETLP + De N M +
MWS + MDO + MCO + EFED/2 +
De N W + WWS + WDO + WCO.
Where, De, ETLP, N, M, MWS, MDO, MCO, EF, and ED, are defined in paragraph c1i of this section, W = the water energy consumption per cycle, in kilowatt-hours and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable, Wws = the water softener regeneration water energy consumption per cycle in kilowatt-hours and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable, WDO = The drain out event water energy consumption per cycle in kilowatt-hours
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and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable, and WCO = The clean out event water energy consumption per cycle in kilowatt-hours and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable.

iii When gas-heated or oil-heated water is used, EAOCg = De ETLP + De N M +
MWS + MDO + MCO + EFED/2 +
Dg x N x Wg + WWSg + WDOg +
WCOg.
Where, De, ETLP, N, M, MWS, MDO, MCO, EF, and ED, are defined in paragraph c1i of this section, Dg = the representative average unit cost of gas or oil, as appropriate, in dollars per BTU, as provided by the Secretary, Wg = the water energy consumption per cycle, in Btus and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable.
WWSg = the water softener regeneration energy consumption per cycle in Btu per cycle and determined according to section 5 of appendix C1 or appendix C2
to this subpart, as applicable, WDOg = the drain out water energy consumption per cycle in kilowatt-hours and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable, and WCOg = the clean out water energy consumption per cycle in kilowatt-hours and determined according to section 5 of appendix C1 or appendix C2 to this subpart, as applicable.

2 The estimated annual energy use, EAEU, expressed in kilowatt-hours per year must be rounded to the nearest kilowatt-hour per year and is defined as follows:
EAEU = M + MWS + MDO + MCO +
EFED/2 + W + WWS + WDO +
WCO x N + ETLP
Where, M, MWS, MDO, MCO, EF, ED, ETLP are all defined in paragraph c1i and W, WWS, WDO, WCO are defined in paragraph c1ii of this section.

3 The sum of the water consumption, V, the water consumption during water softener regeneration, VWS, the water consumption during drain out events for dishwashers equipped with a water re-use system, VDO, and the water consumption during clean out events for dishwashers equipped with a water reuse system, VCO, expressed in gallons per cycle and defined pursuant to section 5 of appendix C1 or appendix C2 to this subpart, as applicable, must be rounded to one decimal place.
4 Other useful measures of energy consumption for dishwashers are those which the Secretary determines are likely to assist consumers in making
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purchasing decisions and which are derived from the application of appendix C1 to this subpart or appendix C2 to this subpart, as applicable.

4. Appendix C1 to subpart B of part 430 is revised to read as follows:
Appendix C1 to Subpart B of Part 430
Uniform Test Method for Measuring the Energy Consumption of Dishwashers Note: Manufacturers must use the results of testing under this appendix published on Date of Publication of the final rule to determine compliance with the relevant standard from 430.32f1 as it appeared in the January 1, 2021 edition of 10 CFR parts 200499. For any amended standards for dishwashers published after January 1, 2021, manufacturers must use the results of testing under appendix C2 to determine compliance.
Representations related to energy or water consumption must be made in accordance with the appropriate appendix that applies i.e., appendix C1 or appendix C2 when determining compliance with the relevant standard. Manufacturers may also use appendix C2 to certify compliance with any amended standards prior to the applicable compliance date for those standards.
0. Incorporation by Reference DOE incorporated by reference in 430.3, AHAM DW12020, AHAM DW22020, and IEC 62301 in their entirety. The following enumerated provisions of AHAM
DW12020, AHAM DW22020, and IEC
62301 are applicable to this appendix, as follows:
1 AHAM DW12020: Uniform Test Method for Measuring the Energy Consumption of Dishwashers i Sections 1.1 through 1.30 as referenced in section 1 of this appendix;
ii Section 2.1 as referenced in sections 2
and 2.1 of this appendix;
iii Sections 2.2 through 2.3.3, sections 2.5
and 2.7, sections 2.7.2 through 2.8, and section 2.11, as referenced in section 2 of this appendix;
iv Section 2.4 as referenced in sections 2
and 2.2 of this appendix;
v Section 2.6.3 as referenced in sections 2 and 2.3 of this appendix;
vi Section 2.7.1 as referenced in sections 2 and 2.4 of this appendix;
vii Section 2.9 as referenced in sections 2 and 2.5 of this appendix;
viii Section 2.10 as referenced in sections 2 and 2.6 of this appendix;
ix Sections 3.1 through 3.2 and sections 3.5 through 3.7 as referenced in section 3 of this appendix;
x Section 3.3 as referenced in sections 3
and 3.1 of this appendix;
xi Section 3.4 as referenced in sections 3
and 3.2 of this appendix;
xii Sections 4.1 as referenced in sections 4 and 4.1 of this appendix;
xiii Section 4.1.4 as referenced in sections 4 and 4.1.2 of this appendix; and xiv Section 5 as referenced in section 5
of this appendix.

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