Fujitsu AUUH18LUAS Service Manual page 54

7-3. Models: AOUH30LUAS1 and AOUH36LUAS1
Pressure
switch
Th
D
Th
C
Th
C
Th
D
Th
HM
Th
O
Th
HO
Th
PI
Th
R
7-3. Models: AOUH30LUAS1 and AOUH36LUAS1
3-way
valve
4-way valve
: Cooling
: Heating
: Thermistor (Compressor temperature)
: Thermistor (Discharge temperature)
: Thermistor (Heat exchanger middle temperature)
: Thermistor (Outdoor temperature)
: Thermistor (Heat exchanger out temperature)
: Thermistor (Pipe temperature)
: Thermistor (Room temperature)
Heat exchanger
(INDOOR)
Th
Th
R
Heat exchanger
(OUTDOOR)
Th
HM
Th
O
- (02-32) -
3-way
valve
PI
Strainer
Expansion valve
Strainer
Th
HO
7. Refrigerant system diagrams