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Federal Register / Vol. 86, No. 163 / Thursday, August 26, 2021 / Notices petition consistent with 10 CFR
431.401g.
Signing Authority This document of the Department of Energy was signed on August 20, 2021, by Kelly Speakes-Backman, Principal Deputy Assistant Secretary and Acting Assistant Secretary for Energy Efficiency and Renewable Energy, pursuant to delegated authority from the Secretary of Energy. That document with the original signature and date is maintained by DOE. For administrative purposes only, and in compliance with requirements of the Office of the Federal Register, the undersigned DOE Federal Register Liaison Officer has been authorized to sign and submit the document in electronic format for publication, as an official document of the Department of Energy. This administrative process in no way alters the legal effect of this document upon publication in the Federal Register.
Signed in Washington, DC, on August 20, 2021.
Treena V. Garrett, Federal Register Liaison Officer, U.S.
Department of Energy.

APPLICATION FOR WAIVER PER 10
CFR 431.401

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WINE CELLAR COOLING EQUPIMENT
LRC coil is requesting an interim and a permanent waiver from a DOE test procedure pursuant to provisions described in 10 CFR 431.401 for the following products on the grounds that either the basic model contains one or more design characteristics that prevent testing of the basic model according to the prescribed test procerus or the prescribed test procedures evaluate the basic model in a manner so unrepresentative of its true energy consumption characteristics has to provide materially inaccurate comparative data. DOE uniform test method for the measurement of energy consumption of walk-in coolers and walk-in freezer described in 10 CFR
431.304 adopts the test standard set forth an AHRI 12502020. Our walk-in wine cellar cooling systems meet the definition of Walkin Cooler Refrigeration Systems.
The design characteristics constituting the ground for the interim waiver application:
Split cooling systems for walk-in wine cellars. Split cooling systems are designed to provide cold environments between 45 and 65 degrees Fahrenheit and maintain a relative humidity range within 50 to 7-% for properly insulated wine cellars.

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These temperature and relative humidity ranges are optimized for longterm storage of wine mimicking that of natural caves.
Cooling systems consist of a remote condensing unit and an evaporator unit which are connected by liquid line and an insulated suction line.
These systems must be charged properly with refrigerant in the field by a licensed contractor.
These systems are available as indoor or outdoor uses with automatic off-cycle air defrost.
Wine cellars are usually located in air conditioned environments so the load is predominately steady state with out high and low load conditions.
Wine cellar cooling systems typically employ fractional compressors and automatic expansion valves to maintain the desired relative humidity in comparison to larger systems used in commercial WICFs.
AHRI 12502019 defines the test conditions of walkin cooler refrigeration systems at 35 degree Fahrenheit air temperature with less than 50% relative humidity. However wine cellar cooling systems are designed to maintain environments of 5565 degree and maintain 50 to 70% relative humidity.
Wine cellar can cooling systems are optimized to operate within such temperature and relative humidity ranges that they cant operate at a 35
degree air temperature with a less than freezing suction temperature.
Wine Cellars dont have high and low load conditions and operate at steady state conditions during operation in a predominately air conditioned environment. So the AWEF calculation described in 10 CFR 431.304 and AHRI
12502019 does not match the application of the such a system.
Due to the design of the coils used in the units they cannot be operated at room/entering air temperatures of less than 45 deg F.
The compressors used in wine cellar cooling systems are predominantly fractional horsepower which are inherently less efficient than larger compressors used in walkin cooler refrigeration systems. Therefore we do not believe there is technology on the market that will provide the needed energy efficiency and wine cellar cooling system to meet the minimum AWEF value for commercial walk-in cooler refrigeration systems set forth and 10 CFR 431.306.
LRC brand basic models on which the waiver is being requested:
Evaporator Only Models:
LRC brand SLA seriesconsisting of SLA1854Q, SLA28108Q, SLA38

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163Q, SLA48217Q, SLA58270Q, SLA68322Q
LRC brand SLPAconsisting of SLPA2662Q, SLPA3695Q, SLPA46128Q, SLPA56162Q, SLPA66200Q
LRC brand DQconsisting of DQ
207, DQ207C, DQ275, DQ275C, DQ345, DQ345C, DQ432, DQ541, DQ650
LRC brand LPAQconsisting of LPA1710Q, LPA1713Q, LPA27
18Q, LPA2723Q, LPA3732Q, LPA4742Q, LPA5755Q
LRC brand Qconsisting of Q500W, Q750W, Q1000W, Q1350W, Q
1640W, Q2000W, Q2600W
LRC brand CEconsisting of CE1
28Q, CE289Q, CE3129Q
LRC brand HSconsisting of HS
25CLEC, HS31CLEC, HS47CLEC, HS66CLEC, HS87CLEC, HS
120CLEC, HS25EC, HS31EC, HS
47EC, HS66EC, HS87EC, HS
120EC, HS180EC
LRC brand RMconsisting of RM
25EC, RM35EC, RM50EC, RM
65EC, RM80EC
LRC brand RMDconsisting of RMD25EC, RMD35EC, RMD50EC, RMD65EC, RMD80ECDucted max .1 in H2O external static LRC brand VAHconsisting of VAH25EC, VAH31EC, VAH47EC, VAH66EC, VAH87EC, VAH120EC, VAH180ECDucted max .25 in H2O external static LRC brand VRMconsisting of VRM25EC, VRM35EC, VRM50EC, VRM65, VRM80ECnot ducted, located in room.
LRC brand BKconsisting of BK17
40, BK2760
LRC brand CTIHconsisting of CTIH15, CTIH25, CTIH35, CTIH
50, CTIH70
LRC brand CTEconsisting of CTE
15EC, CTE25EC, CTE35EC, CTE50
EC
LRC brand WMconsisting of WM
15, WM25, WM35, WM50
Specific requirements sought to be waived: LRC Coil is petitioning for a waiver to exempt split walk-in wine cellar cooling systems from being tested to the current test procedure. The prescribed test procedure is not appropriate for these products for the reasons stated previously.
List of manufacturers of all other basic models marketing in the United States and known to the petitioner to incorporate similar design characteristics.
Air Innovations CellarPro Whisperkool Vinotemp/Winemate
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