This standard provides test procedures for determining the efficiency and hot-water delivery capability of the waterheating equipment to which it applies. This standard applies to electric resistance@ heat pump@ gas-fired@ and oil-fired water-heating equipment@ including hot-water supply boilers@ This standard does not apply to gas-fired service waterheating equipment that a. has a storage capacity of less than two gallons@ b. is designated to deliver water at a controlled temperature of less than 180??(82??@ and c. has an input rating less than 200@000 Btu/h (59 kW). PURPOSE The purpose of this standard is to provide test procedures for rating directly heated commercial-service water-heating equipment.
118.1-2012由ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc. 发布于 2012-10-02,并于 2012-12-18 实施。
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