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空气节能器是美国大中型建筑全空气系统和空气水系统中应用广泛的一种节能设备。ANSI/ASHRAE/IESNA Standard 90.1-2007规定,凡是带风机的冷却系统都应考虑使用空气侧或水侧节能器。介绍了空气节能器的组成、控制方式和4种运行模式,并指出空气节能器运行中容易出现的问题。鉴于我国的气候、大气污染状况及空调系统形式,认为目前空气节能器应用于我国大中型建筑的空调系统中的条件尚不成熟。
Air economizer is a widely used energy-saving equipment in the whole air system and air-water system of large and medium-sized US buildings. ANSI / ASHRAE / IESNA Standard 90.1-2007 states that air-cooled or water-side economizers should be considered for all cooling systems with fans. The composition, control mode and four operating modes of the air economizer are introduced, and the problems that are easy to appear during the operation of the air economizer are pointed out. In view of China’s climate, atmospheric pollution and air conditioning system form, that the current air conditioners used in large and medium-sized buildings in China’s air conditioning system conditions are not yet ripe.