Fujitsu ASU9RLF Design & Technical Manual page 41

MODEL : AOU15RLS
Muffler
4-Way
valve
Compressor
Cooling
Heating
Refrigerant pipe diameter
Liquid:1/4"(6.35mm)
Gas:3/8"(9.52mm)
Heat exchanger
(INDOOR)
3-Way
valve
Muffler
Heat exchanger
(OUTDOOR)
- (02 - 07) -
2-Way valve
Strainer
Expansion valve
Strainer