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TROUBLESHOOTING
Figure 2 Refrigerant system
PANEL SIDE
Accumulator outlet
temperature sensor
Outdoor liquid pipe
temperature sensor
Refrigerant high
pressure switch 1
ENGINE SIDE
Outdoor heat exchanger liquid temperature sensor
Outdoor heat exchanger
vapor temperature sensor
Sub heat exchanger liquid
temperature sensor
Refrigerant low pressure sensor
Refrigerant high
pressure sensor 1
Refrigerant high
pressure switch 2
Compressure discharge
pipe temperature sensor 1
Compressure discharge
pipe temperature sensor 2
Compressure intake temperature sensor 1
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