RE FR IGE RA N T
SY S TE M D IA G R A M
Muffler
Compressor
2014.12.24
Heat exchanger
(indoor unit)
3-Way valve
Muffler
4-Way valve
Heat exchanger
(outdoor unit)
2-Way valve
Receiver
Strainer
Expansion valve
Strainer
3
Refrigerant direction
Cooling
Heating
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 1/2" (12.7 mm)