R E FR I GE RAN T
SY S TE M DI AG R A M
Muffler
Compressor
2012.08.04
Heat exchanger
(indoor unit)
3-way valve
Muffler
4-way valve
Heat exchanger
(outdoor unit)
2-way valve
Strainer
Expansion valve
Strainer
3
Refrigerant flow
Cooling
Heating
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 1/2" (12.7 mm)