1) compressor (Compressor) serves to drive the cooling liquid or substance (Refrigerant) in the system makes it possible for cooling substances with high temperature and pressure.
2) hot coil (Condenser) cooling functional cooling substance.
3 cold (Evaporator) coil) serves to absorb the heat inside the room into the cooling substance.
Pressure reduction device 4) (Throttling Device) serves to reduce pressure and the temperature of the cooling substance. Generally used as a gastrointestinal phin La luxury thio (Capillary tube) or executive pension snap valve (Expansion Valve)