低环境温度空气源热泵(冷水)机组新版国家标准解析

Analysis on new version national standard for low ambient temperature air source heat pump(water chilling)packages

介绍GB/T25127.1《低环境温度空气源热泵(冷水)机组第1部分:工业或商业用及类似用途的热泵(冷水)机组》和GB/T25127.2《低环境温度空气源热泵(冷水)机组第2部分:户用及类似用途的热泵(冷水)机组》修订的背景和解决的重点问题,解读新版标准主要内容,包括范围、机组型式、试验工况及允差、性能系数、技术要求、噪声试验方法、水侧压力损失、APF计算和试验方法、融霜试验方法、制热性能试验方法等内容,为相关人员正确理解标准条款和评价产品性能提供技术指导。

The revision background and the resolution of key issues for GB/T25127.1 and GB/T25127.2 are introduced.The main contents of the new standard are analyzed,including scope,unit type,test condition&tolerance,coefficient of performance,technical requirements,noise test method,water side pressure loss,calculation and test methods of APF,defrosting test method,test method of heating performance,etc.It provides technical guidance for correctly understanding the standard terms and evaluating the product performance.