Federal Register - November 4, 2021
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Source: Federal Register
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Federal Register / Vol. 86, No. 211 / Thursday, November 4, 2021 / Proposed Rules
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4.1.2.2 Conventional gas cooking top annual active mode energy consumption.
4.1.2.2.1 Conventional gas cooking top annual active mode gas energy consumption.
Calculate the annual active mode gas energy consumption of a conventional gas cooking top, EAGG, in kBtu per year, using the following equation:
EAGG = ECGG K NC
Where:
K and NC are defined in section 4.1.2.1 of this appendix; and ECGG = the conventional gas cooking top percycle active mode gas energy consumption, as determined in section 4.1.1.2.4 of this appendix, in Btu.
4.1.2.2.2 Conventional gas cooking top annual active mode electrical energy consumption. Calculate the annual active mode electrical energy consumption of a conventional gas cooking top, EAGE, in kilowatt-hours per year, using the following equation:
EAGE = ECGE K NC
Where:
K and NC are defined in section 4.1.2.1 of this appendix; and ECGE = the conventional gas cooking top percycle active mode electrical energy consumption, as determined in section 4.1.1.2.5 of this appendix, in watt-hours.
4.1.2.2.3 Conventional gas cooking top annual active mode total energy consumption. Calculate the annual active mode total energy consumption of a conventional gas cooking top, EAGT, in kBtu per year, using the following equation:
EAGT = EAGG + EAGE Ke Where:
EAGG = the conventional gas cooking top annual active mode gas energy consumption as determined in section 4.1.2.2.1 of this appendix, in kBtu per year;
EAGE = the conventional gas cooking top annual active mode electrical energy consumption as determined in section 4.1.2.2.2 of this appendix, in kilowatthours per year; and Ke is defined in section 4.1.1.2.6 of this appendix.
4.2 Annual combined low-power mode energy consumption of a conventional cooking top and any conventional cooking top component of a combined cooking product.
4.2.1 Conventional cooking top annual combined low-power mode energy
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consumption. Calculate the annual combined low-power mode energy consumption for a conventional cooking top, ETLP, in kilowatthours per year, using the following equation:
ETLP = PIA FIA + POM FOM K ST
Where:
PIA = inactive mode power, in watts, as measured in section 3.2.1 of this appendix;
POM = off mode power, in watts, as measured in section 3.2.2 of this appendix;
FIA and FOM are the portion of annual hours spent in inactive mode and off mode hours respectively, as defined in Table 4.2.1 of this appendix;
K = 0.001 kWh/Wh conversion factor for watt-hours to kilowatt-hours; and ST = 8,544, total number of inactive mode and off mode hours per year for a conventional cooking top.
TABLE 4.2.1ANNUAL HOUR
MULTIPLIERS
Types of low-power modes available
FIA
Both inactive and off mode ..
Inactive mode only
Off mode only
0.5
1
0
FOM
0.5
0
1
4.2.2 Conventional cooking top component of a combined cooking product annual combined low-power mode energy consumption. Calculate the annual combined low-power mode energy consumption for the conventional cooking top component of a combined cooking product, ETLP, in kilowatthours per year, using the following equation:
ETLP = PIA FIA + POM FOM K STOT
HC
Where:
PIA, POM, FIA, FOM, and K are defined in section 4.2.1 of this appendix;
STOT = the total number of inactive mode and off mode hours per year for a combined cooking product, as defined in Table 4.2.2 of this appendix; and HC = the percentage of hours per year assigned to the conventional cooking top component of a combined cooking product, as defined in Table 4.2.2 of this appendix.
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TABLE 4.2.2COMBINED COOKING
PRODUCT USAGE FACTORS
Type of combined cooking product Cooking top and conventional oven conventional range
Cooking top and microwave oven
Cooking top, conventional oven, and microwave oven
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HC
%
8,392
60
8,481
77
8,329
51
4.3 Integrated annual energy consumption of a conventional cooking top and any conventional cooking top component of a combined cooking product.
4.3.1 Conventional electric cooking top integrated annual energy consumption.
Calculate the integrated annual energy consumption, IAEC, of a conventional electric cooking top, in kilowatt-hours per year, using the following equation:
IAEC = EAET + ETLP
Where:
EAET = the conventional electric cooking top annual active mode energy consumption, as determined in section 4.1.2.1 of this appendix; and ETLP = the annual combined low-power mode energy consumption of a conventional cooking top or any conventional cooking top component of a combined cooking product, as determined in section 4.2 of this appendix.
4.3.2 Conventional gas cooking top integrated annual energy consumption.
Calculate the integrated annual energy consumption, IAEC, of a conventional gas cooking top, in kBtu per year, defined as:
IAEC = EAGT + ETLP Ke Where:
EAGT = the conventional gas cooking top annual active mode total energy consumption, as determined in section 4.1.2.2.3 of this appendix;
ETLP = the annual combined low-power mode energy consumption of a conventional cooking top or any conventional cooking top component of a combined cooking product, as determined in section 4.2 of this appendix; and Ke is defined in section 4.1.1.2.6 of this appendix.
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