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Federal Register / Vol. 86, No. 167 / Wednesday, September 1, 2021 / Proposed Rules VhL and VhS are defined in section 4.1.1 of this appendix.
T = Temperature rise = 65 F 36.1 C.
K = Water specific heat in kilowatt-hours per gallon per degree F = 0.00240 kWh/galF 0.00114 kWh/L-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 kilowatthours per cycle and defined as:
HET = HEL LUFL + HES LUFS
Where:
HEL and HES are defined in section 4.1.2 of this appendix.
LUFL = Load usage factor for the large test load = 0.5.
LUFS = Load usage factor for the small test load = 0.5.
4.1.4 Total per-cycle hot water energy consumption using gas-heated or oil-heated water, for product labeling requirements.
Calculate for the energy test cycle the percycle hot water consumption, HETG, using gas-heated or oil-heated water, expressed in Btu per cycle or megajoules per cycle and defined as:
HETG = HET 1/e 3412 Btu/kWh or HETG
= HET 1/e 3.6 MJ/kWh.
Where:
e = Nominal gas or oil water heater efficiency = 0.75.
HET = As defined in section 4.1.3 of this appendix.
4.1.5 Per-cycle machine electrical energy consumption for all load sizes tested.
Calculate the total per-cycle machine electrical energy consumption for the large test load size, MEL, and the small test load size, MES, expressed in kilowatt-hours per cycle and defined as:
a MEL = ExL TUFx + EhL TUFh + EwL
TUFw + EwwL TUFww + EcL
TUFc b MES = ExS TUFx + EhS TUFh + EwS
TUFw + EwwS TUFww + EcS
TUFc Where:
ExL, EhL, EwL, EwwL, EcL, ExS, EhS, EwS, EwwS, and EcS are the electrical energy consumption values, in kilowatt-hours per cycle as measured in section 3.3 of this appendix for automatic clothes washers or section 3.4 of this appendix for semi-automatic clothes washers.
TUFx, TUFh, TUFw, TUFww, and TUFc are defined in Table 4.1.1 of this appendix.
4.1.6 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 = MEL LUFL + MES LUFS
Where:
MEL and MES are defined in section 4.1.5 of this appendix.
LUFL and LUFS are defined in section 4.1.3
of this appendix.
4.2 Water consumption of clothes washers.
4.2.1 Per cycle total water consumption for each large load size tested. Calculate the per-cycle total water consumption of the
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large test load for the Extra-Hot Wash/Cold Rinse cycle, QxL, Hot Wash/Cold Rinse cycle, QhL, Warm Wash/Cold Rinse cycle, QwL, Warm Wash/Warm Rinse cycle, QwwL, and Cold Wash/Cold Rinse cycle, QcL, defined as:
a QxL = HxL + CxL
b QhL = HhL + ChL
c QwL = HwL + CwL
d QwwL = HwwL + CwwL
e QcL = HcL + CcL
Where:
HxL, HhL, HwL, HwwL, HcL, CxL, ChL, CwL, CwwL, and CcL are defined in section 3.3
of this appendix for automatic clothes washers or section 3.4 of this appendix for semi-automatic clothes washers.
4.2.2 Per cycle total water consumption for each small load size tested. Calculate the per-cycle total water consumption of the small test load for the Extra-Hot Wash/Cold Rinse cycle, QxS, Hot Wash/Cold Rinse cycle, QhS, Warm Wash/Cold Rinse cycle, QwS, Warm Wash/Warm Rinse cycle, QwwS, and Cold Wash/Cold Rinse cycle, QcS, defined as:
a QxS = HxS + CxS
b QhS = HhS + ChS
c QwS = HwS + CwS
d QwwS = HwwS + CwwS
e QcS = HcS + CcS
Where:
HxS, HhS, HwS, HwwS, HcS, CxS, ChS, CwS, CwwS, and CcS are defined in section 3.3
of this appendix for automatic clothes washers or section 3.4 of this appendix for semi-automatic clothes washers.
4.2.3 Per-cycle total water consumption for all load sizes tested. Calculate the total per-cycle water consumption for the large test load size, QL, and the small test load size, QS, expressed in gallons per cycle or liters per cycle and defined as:
a QL = QxL TUFx + QhL TUFh +
QwL TUFw + QwwL TUFww +
QcL TUFc b QS = QxS TUFx + QhS TUFh + QwS
TUFw + QwwS TUFww + QcS
TUFc Where:
QxL, QhL, QwL, QwwL, and QcL are defined in section 4.2.1 of this appendix.
QxS, QhS, QwS, QwwS, and QcS are defined in section 4.2.2 of this appendix.
TUFx, TUFh, TUFw, TUFww, and TUFc are defined in Table 4.1.1 of this appendix.
4.2.4 Total weighted per-cycle water consumption. Calculate the total per-cycle water consumption, QT, expressed in gallons per cycle or liters per cycle and defined as:
QT = QL LUFL + QS LUFS
Where:
QL and QS are defined in section 4.2.3 of this appendix.
LUFL and LUFS are defined in section 4.1.3
of this appendix.
4.3 Remaining moisture content RMC.
4.3.1 Per cycle remaining moisture content for each large load size tested.
Calculate the per-cycle remaining moisture content of the large test load for the ExtraHot Wash/Cold Rinse cycle, RMCxL, Hot Wash/Cold Rinse cycle, RMChL, Warm Wash/Cold Rinse cycle, RMCwL, Warm
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Wash/Warm Rinse cycle, RMCwwL, and Cold Wash/Cold Rinse cycle, RMCcL, defined as:
a RMCxL = WCxLWIxL/WIxL
b RMChL = WChLWIhL/WIhL
c RMCwL = WCwLWIwL/WIwL
d RMCwwL = WCwwLWIwwL/WIwwL
e RMCcL = WCcLWIcL/WIcL
Where:
WCxL, WChL, WCwL, WCwwL, WCcL, WIxL, WIhL, WIwL, WIwwL, and WIcL are the bone-dry weights and cycle completion weights as measured in section 3.3 of this appendix for automatic clothes washers or section 3.4 of this appendix for semi-automatic clothes washers.
4.3.2 Per cycle remaining moisture content for each small load size tested.
Calculate the per-cycle remaining moisture content of the small test load for the ExtraHot Wash/Cold Rinse cycle, RMCxS, Hot Wash/Cold Rinse cycle, RMChS, Warm Wash/Cold Rinse cycle, RMCwS, Warm Wash/Warm Rinse cycle, RMCwwS, and Cold Wash/Cold Rinse cycle, RMCcS, defined as:
a RMCxS = WCxSWIxS/WIxS
b RMChS = WChSWIhS/WIhS
c RMCwS = WCwSWIwS/WIwS
d RMCwwS = WCwwSWIwwS/WIwwS
e RMCcS = WCcSWIcS/WIcS
Where:
WCxS, WChS, WCwS, WCwwS, WCcS, WIxS, WIhS, WIwS, WIwwS, and WIcS are the bone-dry weights and cycle completion weights as measured in section 3.3 of this appendix for automatic clothes washers or section 3.4 of this appendix for semi-automatic clothes washers.
4.3.3 Per-cycle remaining moisture content for all load sizes tested. Calculate the per-cycle temperature-weighted remaining moisture content for the large test load size, RMCL, and the small test load size, RMCS, defined as:
a RMCL = RMCxL TUFx + RMChL
TUFh + RMCwL TUFw + RMCwwL
TUFww + RMCcL TUFc b RMCS = RMCxS TUFx + RMChS
TUFh + RMCwS TUFw + RMCwwS
TUFww + RMCcS TUFc Where:
RMCxL, RMChL, RMCwL, RMCwwL, and RMCcL are defined in section 4.3.1 of this appendix.
RMCxS, RMChS, RMCwS, RMCwwS, and RMCcS are defined in section 4.3.2 of this appendix.
TUFx, TUFh, TUFw, TUFww, and TUFc are defined in Table 4.1.1 of this appendix.
4.3.4 Weighted per-cycle remaining moisture content. Calculate the weighted percycle remaining moisture content, RMCT, defined as:
RMCT = RMCL LUFL + RMCS LUFS
Where:
RMCL and RMCS are defined in section 4.3.3
of this appendix.
LUFL and LUFS are defined in section 4.1.3
of this appendix.
4.3.5 Apply the RMC correction curve as described in section 9 of appendix J3 to this subpart to calculate the corrected remaining moisture content, RMCcorr, expressed as a percentage as follows:

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