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4-4. Models: AOHG36KBTB and AOHG45KBTB
Pressure
switch
Th
D
Th
C
Th
C
Th
D
Th
O
Th
HO
Th
R
Th
PI
4-4. Models: AOHG36KBTB and AOHG45KBTB
3-Way
valve
Pressure
sensor
4-Way valve
: Cooling
: Heating
: Thermistor (Compressor temperature)
: Thermistor (Discharge 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
O
- 78 -
PI
2-Way
valve
Strainer
Expansion valve
Strainer
Th
HO
4. Refrigerant circuit
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