Refrigerant Circuit; Models: Aoyg45Krta And Aoyg54Krta - Fujitsu ARXG45KHTA Design & Technical Manual

4. Refrigerant circuit

4-1. Models: AOYG45KRTA and AOYG54KRTA

Pressure
switch
Th
D
Th
C
Th
C
Th
D
Th
HM
Th
O
Th
HO
Th
R
Th
PI
4-1. Models: AOYG45KRTA and AOYG54KRTA
3-Way
valve
Pressure
sensor
4-Way valve
: Cooling
: Heating
: Thermistor (Compressor temperature)
: Thermistor (Discharge temperature)
: Thermistor (Heat Exchanger Med temperature)
: Thermistor (Outdoor temperature)
: Thermistor (Heat Exchanger Out temperature)
: Thermistor (Room temperature)
: Thermistor (Pipe temperature)
Heat exchanger
( INDOOR )
Th
Th
R
Heat exchanger
( OUTDOOR )
Th
HM
Th
O
- 39 -
3-Way
valve
PI
Strainer
Expansion valve
Strainer
Th
HO
4. Refrigerant circuit