This standard covers electric@ air-to-air@ space-conditioning appliances that include a refrigerant-to-water desuperheater and have rated cooling capacities of less than 65@000 Btu/h. PURPOSE This standard provides test methods and calculation procedures for establishing the efficiencies of space-conditioning/ water-heating appliances having refrigerant-to-water desuperheaters. The procedures may be used as a basis for establishing efficiency ratings for such equipment and for estimating annual energy consumption.
137-2009由ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc. 发布于 2009-01-24,并于 2009-04-06 实施。
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