RE F R IGE RA N T S YS T E M DI AG R AM
Refrigerant direction
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 1/2" (12.7 mm)
2008.04.24
3-Way valve
Muffler
4-Way valve
Cooling
Heating
Heat exchanger
(indoor unit)
Expansion valve
Heat exchanger
(outdoor unit)
3
2-Way valve
Strainer
Strainer