DS/ENV 328:1994
热交换器．建立空气冷却器制冷性能的试验程序

Heat exchangers. Test procedures for establishing performance of unit air coolers for refrigeration

作废

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标准号

DS/ENV 328:1994

发布

1994年

发布单位

丹麦标准化协会

当前最新

DS/ENV 328:1994

 

 

代替标准

DS/EN 328-1999

适用范围

1 This European Standard applies to unit air coolers for refrigeration 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. 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). 3 This European Standard does not cover technical safety aspects. 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.

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