Fujitsu ASYG09LECB Srevice Manual page 4

REFRIGERANT
S YS T E M D IA GR A M
2012.12.25
Heat exchanger
(indoor unit)
3-Way valve
Muffler
4-Way valve
Heat exchanger
(outdoor unit)
2-Way valve
Strainer
Expansion valve
Strainer
3
Refrigerant direction
Cooling
Heating
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 3/8" (9.52 mm)