Fujitsu AUXG22KRLB - Refrigerant Circuit; Model: AOYG18 KBTB

4. Refrigerant circuit
4-1. Model: AOYG18KBTB
Strainer
Strainer
3-way
valve
2-way
valve
Muffler
4-way valve
Expansion valve
Heat exchanger
Heat exchanger
(INDOOR)
(OUTDOOR)
Compressor
Cooling
Heating
Th
D
Th
R
Th
O
Th
HO
Muffler
Accumulator
Th
PI
: Thermistor (Discharge temperature)
: Thermistor (Outdoor temperature)
: Thermistor (Heat exchanger out temperature)
Th
D
Th
O
Th
HO
: Thermistor (Room temperature)
: Thermistor (Pipe temperature)
Th
R
Th
PI
Th
HM
: Thermistor (Heat exchanger middle temperature)
Th
HM
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4-1. Model: AOYG18KBTB
4. Refrigerant circuit
OUTDOOR UNIT AOYG18, 22KBTB OUTDOOR UNIT AOYG18, 22KBTB