4. Refrigerant circuit
2-Way
valve
Strainer
Strainer
3-Way
valve
Muffler
4-Way valve
Expansion valve
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 (Condenser coil Out temperature)
Th
D
Th
O
Th
HO
: Thermistor (Room temperature)
: Thermistor (Pipe temperature)
Th
R
Th
PI
Pressure
check valve
Evaporator coil
(Indoor)
Condenser coil
(Outdoor)
4-1. Models: RP1724HJVXA and RP1730HJVXA 4. Refrigerant circuit