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Federal Register / Vol. 86, No. 211 / Thursday, November 4, 2021 / Proposed Rules for cooking zones where a minimum-abovethreshold cycle and a maximum-belowthreshold cycle were measured in section 3.1.4.5 of this appendix.
Where:
VETC = the gas consumption of the Energy Test Cycle from the start of the test to the end of the test for the cooking zone, as determined in section 3.1.4.5 of this appendix, in cubic feet;
VMAT = the gas consumption of the minimum-above-threshold power setting from the start of the test to the end of the test for the cooking zone, as determined
in section 3.1.4.5 of this appendix, in cubic feet;
VMBT = the gas consumption of the maximum-below-threshold power setting from the start of the test to the end of the test for the cooking zone, as determined in section 3.1.4.5 of this appendix, in cubic feet;
TS,MAT = the smoothened water temperature at the end of the minimum-abovethreshold power setting test for the cooking zone, in degrees Celsius; and TS,MBT = the smoothened water temperature at the end of the maximum-below-

= Ee,MAT -

Ee
for cooking zones where a minimum-abovethreshold cycle and a maximum-belowthreshold cycle were measured in section 3.1.4.5 of this appendix.
Where:
Ee,ETC = the electrical energy consumption of the Energy Test Cycle from the start of the test to the end of the test for the cooking zone, as determined in section 3.1.4.5 of this appendix, in watt-hours;
Ee,MAT = the electrical energy consumption of the minimum-above-threshold power
Ee,MAT - Ee,MBT

T,
S,MAT -

T,
S,MBT

X Ts,MAT -

setting from the start of the test to the end of the test for the cooking zone, as determined in section 3.1.4.5 of this appendix, in watt-hours;
Ee,MBT = the electrical energy consumption of the maximum-below-threshold power setting from the start of the test to the end of the test for the cooking zone, as determined in section 3.1.4.5 of this appendix, in watt-hours;
TS,MAT = the smoothened water temperature at the end of the minimum-above-

I l1z x n
2853g EcGG = - - - x n Where:
n, mz, and 2853 are defined in section 4.1.1.1.2 of this appendix;
Vz = the normalized gas consumption representative of the Energy Test Cycle for each cooking zone, as calculated in section 4.1.1.2.2 of this appendix, in cubic feet; and
z=l
61013

threshold power setting test for the cooking zone, in degrees Celsius.
4.1.1.2.3 Conventional gas cooking top per-cooking zone active mode normalized electrical energy consumption. For each cooking zone, calculate the per-cooking zone normalized active mode electrical energy consumption of a conventional gas cooking top, Ee, in watt-hours, using the following equation:
Ee = Ee,ETC
for cooking zones where an Energy Test Cycle was measured in section 3.1.4.5 of this appendix, and
90
threshold power setting test for the cooking zone, in degrees Celsius; and TS,MBT = the smoothened water temperature at the end of the maximum-belowthreshold power setting test for the cooking zone, in degrees Celsius.
4.1.1.2.4 Conventional gas cooking top per-cycle active mode gas energy consumption. Calculate the per-cycle active mode gas energy consumption of a conventional gas cooking top, ECGG, in Btu, using the following equation:

CF x H
mz
CF = the gas correction factor to standard temperature and pressure, as calculated in section 4.1.1.2.1 of this appendix H = either Hn or Hp, the heating value of the gas used in the test as specified in sections 2.2.2.1 and 2.2.2.2 of this appendix, expressed in Btu per standard cubic foot of gas.

4.1.1.2.5 Conventional gas cooking top per-cycle active mode electrical energy consumption. Calculate the per-cycle active mode electrical energy consumption of a conventional gas cooking top, ECGE, in watthours, using the following equation:

n
2853g LEez EcGE = - - - x n mz
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ECGG = the per-cycle active mode gas energy consumption of a conventional gas cooking top as determined in section 4.1.1.2.4 of this appendix, in Btu;
ECGE = the per-cycle active mode electrical energy consumption of a conventional gas cooking top as determined in section 4.1.1.2.5 of this appendix, in watt-hours;
and Ke = 3.412 Btu/Wh, conversion factor of watt-hours to Btu.
4.1.2 Annual active mode energy consumption of a conventional cooking top and any conventional cooking top component of a combined cooking product.
4.1.2.1 Conventional electric cooking top annual active mode energy consumption.
Calculate the annual active mode total energy
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consumption of a conventional electric cooking top, EAET, in kilowatt-hours per year, using the following equation:
EAET = ECET K NC
Where:
ECET = the conventional electric cooking top per-cycle active mode total energy consumption, as determined in section 4.1.1.1.2 of this appendix, in watt-hours;
K = 0.001 kWh/Wh conversion factor for watt-hours to kilowatt-hours; and NC = 418 cooking cycles per year, the average number of cooking cycles per year normalized for duration of a cooking event estimated for conventional cooking tops.

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Where:
n, mz, and 2853 are defined in section 4.1.1.1.2 of this appendix; and Eez = the normalized electrical energy consumption representative of the Energy Test Cycle for each cooking zone, as calculated in section 4.1.1.2.3 of this appendix, in watt-hours.
4.1.1.2.6 Conventional gas cooking top per-cycle active-mode total energy consumption. Calculate the per-cycle active mode total energy consumption of a conventional gas cooking top, ECGT, in Btu, using the following equation:
ECGT = ECGG + ECGE Ke Where:

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z=l