中央空调系统有主机和末端系统。负担室内热湿负荷所用的介质可分为全空气系统、全水系统 、空气-水系统 、制冷剂系统 。按空气处理设备的集中程度可分为集中式和半集中式。按被处理空气的来源可分为封闭式、直流式 、混合式（一次回风 二次回风）。主要组井盖钢模具 U型槽模具 天津水处理设备 检查井钢模具 保定公司注册 u型槽模具 流水槽模具 成设备有空调主机（冷热源）、组合式空调机组（风柜）、 风机盘管等等。
The central air conditioning system has a host and terminal system. The medium used to bear indoor heat and humidity load can be divided into total air system, total water system, air-water system and refrigerant system. According to the concentration degree of air treatment equipment, it can be divided into centralized and semi centralized. According to the source of the treated air, it can be divided into closed type, direct current type and mixed type (primary return air and secondary return air). The main components of the equipment are air conditioning host (cold and heat sources), combined air conditioning unit (air cabinet), fan coil, etc.