Fujitsu ASU9RL Service Instruction page 11

R E F R I G E R A N T S Y S T E M D I A G R A M
Models : ASU9RL / AOU9RL
ASU12RL / AOU12RL
3-Way valve
Muffler
4-Way valve
Refrigerant direction
Cooling
Heating
Refrigerant pipe diameter
Liquid : 1/4" (6.35 mm)
Gas : 3/8" (9.52 mm)
Heat exchanger
(indoor unit)
Expansion valve
Heat exchanger
(outdoor unit)
03-01
2-Way valve
Strainer
Strainer