300
TROUBLESHOOTING
Figure 2 Refrigerant system
PANEL SIDE
Accumulator outlet temperature
sensor
Outdoor liquid pipe temperature
sensor
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 1
Compressure discharge
pipe temperature sensor 1
Compressure discharge
pipe temperature sensor 2
Compressure intake temperature sensor
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