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Federal Register / Vol. 86, No. 211 / Thursday, November 4, 2021 / Proposed Rules
3.3.1.3.3.5 The time, to the nearest second, at the end of a 20-minute simmering period following t90, tS and the smoothened water temperature at the end of the 20minute simmering period, in degrees Celsius, TS.
3.3.1.3.3.6 For a conventional electric cooking top, the electrical energy consumption from the start of the test to tS, E, in watt-hours.
3.3.1.3.3.7 For a conventional gas cooking top, the volume of gas consumed from the start of the test to tS, V, in cubic feet of gas;
and any electrical energy consumption of the cooking top from the start of the test to tS, Ee, in watt-hours.
3.3.2 Standby mode and off mode. Make measurements as specified in section 3.2 of
E

this appendix. If the product is capable of operating in inactive mode, as defined in section 1 of this appendix, record the average inactive mode power, PIA, in watts as specified in section 3.2.1 of this appendix. If the product is capable of operating in off mode, as defined in section 1 of this appendix, record the average off mode power, POM, in watts as specified in section 3.2.2 of this appendix.
4. Calculation of Derived Results From Test Measurements 4.1. Active mode energy consumption of conventional cooking tops and any conventional cooking top component of a combined cooking product.

= E MAT -

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:
EETC = 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;
EMAT = the electrical energy consumption of the minimum-above-threshold power
EMAT -EMBT

T,
T,
S,MAT -

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;
EMBT = 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-

4.1.1 Per-cycle active mode energy consumption of a conventional cooking top and any conventional cooking top component of a combined cooking product.
4.1.1.1 Conventional electric cooking top per-cycle active mode energy consumption.
4.1.1.1.1 Conventional electric cooking top per-cooking zone normalized active mode energy consumption. For each cooking zone, calculate the per-cooking zone normalized active mode energy consumption of a conventional electric cooking top, E, in watthours, using the following equation:
E = EETC
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.
4.1.1.1.2 Calculate the per-cycle active mode total energy consumption of a conventional electric cooking top, ECET, in watt-hours, using the following equation:

L Ez n
2853g
ECET=---x
n
Where:
n = the total number of cooking zones tested on the conventional cooking top;
Ez = the normalized energy consumption representative of the Energy Test Cycle for each cooking zone, as calculated in section 4.1.1.1.1 of this appendix, in
-

z=l
mz
watt-hours; mz is the mass of water used for each cooking zone, in grams; and 2853 = the representative water load mass, in grams.
4.1.1.2 Conventional gas cooking top percycle active mode energy consumption.

Pgas
+ Patm
4.1.1.2.1 Gas correction factor to standard temperature and pressure. Calculate the gas correction factor to standard temperature and pressure, which converts between standard cubic feet and measured cubic feet of gas for a given set of test conditions:

Tbase
CF= --"-----x--

V

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VMAT-VMBT

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_ T,
S,MAT

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X Ts,MAT -

active mode gas consumption of a conventional gas cooking top, V, in cubic feet, using the following equation:
V = VETC
for cooking zones where an Energy Test Cycle was measured in section 3.1.4.5 of this appendix, and
90

S,MBT

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Tbase = 519.67 degrees Rankine or 288.7
Kelvin; and Tgas = the measured line gas temperature, in degrees Rankine or Kelvin.
4.1.1.2.2 Conventional gas cooking top per-cooking zone normalized active mode gas consumption. For each cooking zone, calculate the per-cooking zone normalized
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Where:
Pgas = the measured line gas gauge pressure, in inches of water;
Patm = the measured atmospheric pressure, in inches of water;
Pbase = 408.13 inches of water, the standard sea level air pressure;

Tgas
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Pbase