Fujitsu AOU18RLXFWH - Refrigerant circuit

4. Refrigerant circuit
4-1. Models: AOU18RLXFWH and AOU24RLXFWH
3-way valve
(small)
3-way valve
(large)
Muffler
Pressure
switch
4-way valve
Strainer
Expansion valve
Strainer
Heat exchanger
(INDOOR)
Heat exchanger
(OUTDOOR)
Sub-accumulator
Compressor
Cooling
Heating
- 37 -
OUTDOOR UNIT AOU18, 24RLXFWH