4. Refrigerant circuit
4-1. Models: AOYG07KGCA, AOYG09KGCA, AOYG12KGCA,
and AOYG14KGCA
Muffler
Th
D
Cooling
Heating
Th
: Thermistor (Discharge temperature)
D
Th
: Thermistor (Outdoor temperature)
O
Th
: Thermistor (Heat exchanger out temperature)
HO
Th
: Thermistor (Room temperature)
R
Th
: Thermistor (Pipe temperature)
PI
Heat exchanger
3-way
valve
Muffler
4-way valve
Heat exchanger
(OUTDOOR)
- 49 -
(INDOOR)
Th
PI
Th
R
Th
HO
Th
O
2-way
valve
Strainer
Expansion valve
Strainer