Combining with an engineering application,the air-cooled heat pump unit and the frequency VRV air conditioning system are compared. The reason of small air-cooled heat pump unit being widely used in air conditioning system of villas is concluded. At last we discusses some problems should be paid attention to in the air-cooled heat pump unit designing and installing process of household central air conditioning system.%本文结合某工程实例进行了风冷热泵模块机和变频多联机空调系统的对比,得出了小型风冷热泵机组在别墅等家用空调系统中广泛应用的原因,探讨风冷热泵模块机在家用中央空调系统设计施工过程中应该注意的几点问题。
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