Refrigerant Circuit; Models: Aoyg18Lbca And Aoyg24Lbca - Fujitsu AUXG18LRLB Technical Manual

3. Refrigerant circuit

3-1. Models: AOYG18LBCA and AOYG24LBCA

Muffler
Pressure
switch
Th
D
Th
C
: Cooling
: Heating
: Thermistor (Compressor Temp.)
Th
C
Th : Thermistor (Discharge Temp.)
D
Th : Thermistor (Outdoor Temp.)
O
Th : Thermistor (Heat Exchanger Out Temp.)
HO
Th : Thermistor (Room Temp.)
R
Th
: Thermistor (Pipe Temp.)
PI
Heat exchanger
3-Way
( INDOOR )
valve
4-Way valve
- 97 -
Th
PI
Th
R
Heat exchanger
( OUTDOOR )
Th
HO
Th
O
2-Way
valve
Strainer
Expansion valve
Strainer