4. Refrigerant circuit
: Thermistor (Discharge temperature)
: Thermistor (Outdoor temperature)
: Thermistor (Heat exchanger out temperature)
: Thermistor (Room temperature)
: Thermistor (Pipe temperature)
4-Way valve
Cooling
Heating
Muffler
Th
HM
: Thermistor (Heat exchanger mid pipe temperature)
Th
HM
4-1. Models: AOUH09LEAS1 and AOUH12LEAS1
4. Refrigerant circuit