GREE DC INVERTER HEAT PUMP CONDENSING UNIT SERVICE MANUAL
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No. Printing Interface No. Printing Interface
1 AC-L Live wire 9 HPP
System high pressure protection
interface
2 N Neutral wire 10 T_SENSOR1
2. Outdoor ambient temperature
sensor interface
4. Defrosting temperature sensor
interface
6. Discharge temperature sensor
interface
3 E Ground terminal 11 OVC_COMP
Compressor overload detection
terminal
4 4WAY 4-way valve 12 T_LAC
Condenser Medium pipe temperature
sensor
5 CN1 Thermostat interface 13 EKV Electronic expansion valve interface
6 CN4 After -sales terminal 14 CN3 High pressure sensor interface
7 OFAN fan terminal 15 CN2 Compressor terminal
8 LPP
System low pressure protection
interface
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