Fujitsu AOUG09LZAH1 - Outdoor Unit Refrigerant Circuit; Refrigerant Flow Diagram

4. Refrigerant circuit
4-1. Models: AOUG09LZAH1, AOUG12LZAH1, and
AOUG15LZAH1
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
Th
C
: Thermistor (Discharge temperature)
: Thermistor (Outdoor temperature)
: Thermistor (Heat exchanger out temperature)
Th
D
: Thermistor (Compressor temperature)
Th
C
Th
O
Th
HO
: Thermistor (Pipe temperature)
Th
PI
: Thermistor (Room temperature)
Th
R
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4-1. Models: AOUG09LZAH1, AOUG12LZAH1, and AOUG15LZAH1 4. Refrigerant circuit
OUTDOOR UNIT AOUG09-15LZAH1 OUTDOOR UNIT AOUG09-15LZAH1