R E F R I G E R A N T
S Y S T E M D I A G R A M
2-way valve
Strainer
Strainer
3-way valve
Muffler
4-way valve
Expansion valve
Refrigerant direction
Heat exchanger
(indoor unit)
Heat exchanger
(outdoor unit)
Compressor
Cooling
Heating
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 3/8" (9.52 mm)
2013.10.26
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