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Federal Register / Vol. 86, No. 167 / Wednesday, September 1, 2021 / Proposed Rules
khammond on DSKJM1Z7X2PROD with PROPOSALS3

DOE further notes that the formula for calculating the estimated annual operating cost for automatic and semiautomatic clothes washers when gasheated or oil-heated water is used, provided in 10 CFR 430.23j1iiB, is missing a pair of parentheses. The N2
multiplier is intended to apply to all of the other factors in the equation, but the lack of parentheses around the MET2
through CBTU terms erroneously applies it to only the first term of the sum. DOE is proposing to correct this error.
Since DOE is proposing to remove Appendix J1, DOE is also proposing to update 10 CFR 430.23j1i, which currently specifies the formulas for calculating the estimated annual operating cost for automatic and semiautomatic clothes washers when using Appendix J1, with the formulas for calculating the estimated annual operating cost for automatic and semiautomatic clothes washers when using the proposed new Appendix J. These proposed formulas are analogous to the formulas in 10 CFR 430.23j1ii. As discussed further in section III.H.7 of this document, the proposed new Appendix J does not include a separate calculation for ETE the sum of machine electrical energy MET and hot water heating energy HET, as currently defined in section 4.1.7 of Appendix J2. Therefore, DOEs proposed revisions to 10 CFR
430.23j1i replace ETE with the individual components MET + HET.
DOE requests comment on its proposed updates to the annual operating cost calculations in 10 CFR
430.23j1.
7. Structure of the Proposed New Appendix J
As part of the creation of the proposed new Appendix J, DOE is proposing several changes to the structure of the test procedure as compared to the current Appendix J2 to improve readability, as follows.
DOE is proposing to better organize section 2.8 of the proposed new Appendix J, as compared to the parallel section in Appendix J2. Currently, section 2.8 of Appendix J2 crossreferences the load size table to determine the three load sizes, specifies the allowable composition of energy test cloths and energy stuffer cloths in each load,71 and provides a table showing required test load sizes and water fill settings for each type of WFCS. In the proposed new Appendix J, section 2.8.1
71 Test loads must consist of energy test cloths and no more than five energy stuffer clothes per load to achieve the proper weight.

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would contain the specifications for determining the load sizes; section 2.8.2
would contain the specifications describing the allowable composition of energy test cloths and energy stuffer cloths in each load; and the table specifying the required test load sizes and water fill settings for each type of WFCS would not be included. This table would be no longer needed in the proposed new Appendix J because the same two load sizes small and large would be used for all WFCS types.
Section 2.9 of Appendix J2 is named Use of test loads and provides specifications for drying each load to bone-dry prior to use and instructions for loading the test cloth into the clothes washer. DOE is proposing to title section 2.9 of the proposed new Appendix J Preparation and loading of test loads and to include a statement that the procedures described in section 2.9 to prepare and load each test load are applicable when performing the testing procedures in section 3 of the appendix.
Section 3.2 of Appendix J2 is titled Procedure for measuring water and energy consumption values on all automatic and semi-automatic washers and specifies conducting testing under the energy test cycle 3.2.1; provides a table that cross-references to each relevant test section in section 3 of the appendix 3.2.2; and provides specifications for: Configuring the hot and cold water faucets 3.2.3; selecting the wash/rinse temperature selection 3.2.4; selecting the wash time setting 3.2.5; selecting water fill levels for each type of WFCS 3.2.6; using manufacturer default settings 3.2.7;
testing active washing mode only 3.2.8; and discarding anomalous data 3.2.9. DOE is proposing to title section 3.2 of the proposed new Appendix J as simply Cycle settings and to organize the section as follows: The contents in section 3.2.1 of Appendix J2 would be instead included within the instructions of a new section 3.3 as described below; the contents of section 3.2 of Appendix J2, including the table, would not be included as the contents would be redundant with the proposed sections 3.3 and 3.4; the contents of section 3.2.3 of Appendix J2 would not be included, as the hot and cold water faucet instructions would no longer be necessary given the proposed changes described in section III.C.2 of this document regarding the installation of single-inlet clothes washers; and sections 3.2.4 through 3.2.9 of Appendix J2 would be included as sections 3.2.1
through 3.2.6, respectively, and include any relevant edits as discussed throughout this document.

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Currently, sections 3.3 through 3.7 of Appendix J2 contain detailed instructions for testing each wash/rinse temperature available in the energy test cycle: Extra Hot/Cold 3.3; Hot/Cold 3.4; Warm/Cold 3.5; Warm/Warm 3.6; and Cold/Cold 3.7. The content and structure of each of these sections is nearly identical, except for two caveats: 1 Describing the use of temperature indicator labels in section 3.3 to verify the presence of an Extra Hot wash; and 2 describing the 25/50/
75 test, described in section III.D.3 of this document, for clothes washers that offer four or more Warm/Cold or Warm/
Warm selections. To significantly simplify this part of test procedure, and because the use of temperature indicator labels would be moved to section 2.5.4
of the proposed new Appendix J and the 25/50/75 test would no longer be applicable under the proposals outlined in section III.D.3 of this document, DOE
is proposing to combine the common language from sections 3.3 through 3.7
in Appendix J2 into a single section 3.3
in the proposed new Appendix J for automatic clothes washers and an analogous section 3.4 for semiautomatic clothes washers. Section 3.3
of the proposed new Appendix J would also provide a table designating the symbol definitions of each required measured value for each wash/rinse temperature selection and load size. As discussed in section III.D.8.c of this document, section 3.4 of the proposed new Appendix J would provide the same information for semi-automatic clothes washes.
Section 3.8 of Appendix J2 specifies the procedure for measuring and calculating RMC. As described in section III.D.4 of this document, DOE is proposing in the proposed new Appendix J to require measuring the RMC of each tested cycle within the energy test cycle, and to calculate final RMC using TUFs and LUFs, consistent with how hot water energy, electrical energy, and water usage are calculated.
Under this proposed change, the RMC
values would be calculated in section 4
Calculation of Derived Results From Test Measurements of the proposed new Appendix J. Given these proposed changes, the current specifications in section 3.8 of Appendix J2 would not apply to the proposed new Appendix J.
DOE is therefore proposing not to include the RMC provisions from section 3 in Appendix J2 in the proposed new Appendix J.
DOE is proposing to include sections 3.9 and 3.10 of Appendix J2 in the proposed new Appendix J as sections 3.5 and 3.6, respectively, and to provide the appropriate cross-references.

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