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Federal Register / Vol. 86, No. 167 / Wednesday, September 1, 2021 / Proposed Rules power source and is not providing any active or standby mode function, and where the mode may persist for an indefinite time.
Standby mode means any mode in which the clothes washer is connected to a mains power source and offers one or more of the following user oriented or protective functions that may persist for an indefinite time:
a Facilitating the activation of other modes including activation or deactivation of active mode by remote switch including remote control, internal sensor, or timer;
b Continuous functions, including information or status displays including clocks or sensor-based functions.
c A timer is a continuous clock function which may or may not be associated with a display that provides regular scheduled tasks e.g., switching and that operates on a continuous basis.
Temperature use factor means, for a particular wash/rinse temperature setting, the percentage of the total number of wash loads that an average user would wash with that setting.
User-adjustable automatic water fill control system means an automatic clothes washer fill control system that allows the user to adjust the amount of water that the machine provides, which is based on the size or weight of the clothes load placed in the clothes container.
Wash time means the wash portion of the cycle, which begins when the cycle is initiated and includes the agitation or tumble time, which may be periodic or continuous during the wash portion of the cycle.
Water factor means the quotient of the total weighted per-cycle water consumption for cold wash divided by the cubic foot or liter capacity of the clothes washer.
Water-heating clothes washer means a clothes washer where some or all of the hot water for clothes washing is generated by a water heating device internal to the clothes washer.
2. Testing Conditions and Instrumentation

2.2 Supply water. Maintain the temperature of the hot water supply at the water inlets between 130 F 54.4 C and 135 F 57.2 C. Maintain the temperature of the cold water supply at the water inlets between 55 F 12.8 C and 60 F 15.6 C.

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2.5.4.1 Non-reversible temperature indicator labels, adhered to the inside of the clothes container, may be used to confirm that an extra-hot wash temperature greater than 135 F has been achieved during the wash cycle, under the following conditions.
The label must remain waterproof, intact, and adhered to the wash drum throughout an entire wash cycle; provide consistent maximum temperature readings; and provide repeatable temperature indications sufficient to demonstrate that a wash temperature of greater than 135 F has been achieved. The label must have been verified to consistently indicate temperature measurements with an accuracy of 1 F if the label provides a temperature indicator at 135 F. If the label does not provide a temperature indicator at 135 F, the label must have been verified to consistently indicate temperature measurements with an accuracy of 1 F if the next-highest temperature indicator is greater than 135 F and less than 140 F, or 3 F if the next-highest temperature indicator is 140 F or greater. If the label does not provide a temperature indicator at 135 F, failure to activate the next-highest temperature indicator does not necessarily indicate the lack of an extra-hot wash temperature. However, such a result would not be conclusive due to the lack of verification of the water temperature requirement, in which case an alternative method must be used to confirm that an extra-hot wash temperature greater than 135 F has been achieved during the wash cycle. If using a temperature indicator label to test a front-loading clothes washer, adhere the label along the interior surface of the clothes container drum, midway between the front and the back of the drum, adjacent to one of the baffles. If using a temperature indicator label to test a top-loading clothes washer, adhere the label along the interior surface of the clothes container drum, on the vertical portion of the sidewall, as close to the bottom of the container as possible.
2.5.4.2 Submersible temperature loggers placed inside the wash drum may be used to confirm that an extra-hot wash temperature greater than 135 F has been achieved during the wash cycle, under the following conditions. The submersible temperature logger must have a time resolution of at least 1 data point every 5 seconds and a temperature measurement accuracy of 1 F.
Due to the potential for a waterproof capsule to provide a thermal insulating effect, failure to measure a temperature of 135 F does not
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necessarily indicate the lack of an extra-hot wash temperature. However, such a result would not be conclusive due to the lack of verification of the water temperature requirement, in which case an alternative method must be used to confirm that an extra-hot wash temperature greater than 135 F has been achieved during the wash cycle.
2.5.5 Water meter. A water meter must be installed in both the hot and cold water lines to measure water flow and/or water consumption. The water meters must have a resolution no larger than 0.1 gallons 0.4
liters and a maximum error no greater than 2 percent for the water flow rates being measured. If the volume of hot water for any individual cycle within the energy test cycle is less than 0.1 gallons 0.4 liters, the hot water meter must have a resolution no larger than 0.01 gallons 0.04 liters.

2.7 Test cloths. The test cloth material and dimensions must conform to the specifications in appendix J3 to this subpart.
The energy test cloth and the energy stuffer cloths must be clean and must not be used for more than 60 test runs after preconditioning as specified in section 5 of appendix J3 to this subpart. All energy test cloth must be permanently marked identifying the lot number of the material.
Mixed lots of material must not be used for testing a clothes washer. The moisture absorption and retention must be evaluated for each new lot of test cloth using the standard extractor Remaining Moisture Content RMC procedure specified in appendix J3 to this subpart.

2.12 Determining the energy test cycle. To determine the energy test cycle, evaluate the wash/rinse temperature selection flowcharts in the order in which they are presented in this section. Except for Cold Wash/Cold Rinse, use the maximum load size to evaluate each flowchart. The determination of the energy test cycle must take into consideration all cycle settings available to the end user, including any cycle selections or cycle modifications provided by the manufacturer via software or firmware updates to the product, for the basic model under test. The energy test cycle does not include any cycle that is recommended by the manufacturer exclusively for cleaning, deodorizing, or sanitizing the clothes washer.
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