標準號：ONORM ENV 328-1992
中文標準名稱：熱交換器．確定制冷用的對流空氣冷卻器性能的試驗程序
英文標準名稱：Heat exchangers - Test procedures for establishing performance of unit air coolers for refrigeration
發布日期：1992/11/1 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：1.1 This European Standard applies to unit air coolers forrefrigeration operating:a) with direct dry expansion of a (primary) refrigerant;b) with a secondary refrigerant.Its purpose is to establish a uniform method of testing.Air coolers for duct mounting or with natural air convection and coolers operating with ammonia are not covered by this standard.1.2 To test and ascertain the following:a) product identification;b) sensible gross air cooler capacity ^;c) air flow;d) energy requirements;e) air throw (if required).1.3 This European Standard does not cover technical safety aspects.1.4 This standard should be read and used in conjunction with the following CEN standards:-ENV 247 Heat exchangers: Terminology.ENV 305 Heat exchangers: Definitions of performance of heat exchangers and the general test procedure for establishing performance of all heat exchangers.ENV 306 Heat exchangers: Methods of measuring the parameters necessary for establishing the performance.ENV 307 Heat exchangers: Guidelines to prepare installation; operating and maintenance instructions required to maintain the performance of each type of heat exchanger.