Model: Aoyg22Kbtb - Fujitsu AOYG18KBTB Design & Technical Manual

4-3. Model: AOYG22KBTB

Muffler
Pressure
switch
Th
D
Th
C
Accumulator
Cooling
Heating
Th
: Thermistor (Compressor temperature)
C
Th
: Thermistor (Discharge temperature)
D
Th : Thermistor (Outdoor temperature)
O
Th
: Thermistor (Heat exchanger out temperature)
HO
Th
: Thermistor (Heat exchanger middle temperature)
HM
Th
: Thermistor (Room temperature)
R
Th
: Thermistor (Pipe temperature)
PI
4-3. Model: AOYG22KBTB
Heat exchanger
3-way
valve
Muffler
4-way valve
Heat exchanger
(OUTDOOR)
Th
HM
- 61 -
(INDOOR)
Th
PI
Th
R
Th
HO
Th
O
2-way
valve
Strainer
Expansion valve
Strainer
4. Refrigerant circuit