Fujitsu AUU18RGLX - Refrigerant Circuit; Models: AOU18 RGLX, AOU24 RGLX, AOU30 RGLX, and AOU36 RGLX

4. Refrigerant circuit
4-1. Models: AOU18RGLX, AOU24RGLX, AOU30RGLX, and
AOU36RGLX
2-Way
valve
Strainer
Strainer
3-Way
valve
Muffler
4-Way valve
Expansion valve
Heat exchanger
( INDOOR )
Heat exchanger
( OUTDOOR )
Co
mpre
s
so
r
: Cooling
: Heating
Pressure
switch
Su
b
-accumulator
Th
C
Th
R
Th
D
Th
PI
Th
O
Th
HO
Th
C
: Thermistor (Compressor temperature)
: Thermistor (Discharge temperature)
: Thermistor (Outdoor temperature)
: Thermistor (Heat exchanger Out temperature)
Th
D
Th
O
Th
HO
: Thermistor (Room temperature)
: Thermistor (Pipe temperature)
Th
R
Th
PI
Pressure
check valve
- 93 -
4-1. Models: AOU18RGLX, AOU24RGLX, AOU30RGLX, and AOU36RGLX 4. Refrigerant circuit
OUTDOOR UNIT AOU18-48RGLX OUTDOOR UNIT
AOU18-48RGLX