Electric Wiring and the Application
Port
CN41
CN28
CN29
CN1
CN7
CN3
CN6
CN4
CN20
CN44
CN5
CN39
CN71
CN10
CN40
CN21
CN34
low-power consumption
CN8
CN16
CN25
CN56
CN55
CN42
CN76
Port Definition
Power Input
PD
PS
HPS
TAO
Td1
TS
TE(1)
CT1
TWO
TWI
THI
THO
TA1
FM
DCPUMP
INV-COM
PC A/B
PQ
LEVA
4WV
HEATER1
B-HEATER
Pump2
Wateroutlet
DCFAN
Function Description
220V/50Hz Input
High pressure sensor
Low pressure sensor
High pressure switch
Ambient temperature sensor
Compressor discharge sensor
Compressor suction sensor
Defrost detection sensor
Input current detection(Three phase unit)
Water outlet sensor of Plate heat exchanger
Water inlet sensor of Plate heat exchanger
Liquid tube of Plate heat exchanger
Gas tube of Plate heat exchanger
Internal temperature sensor of electric cabinet
Flowmeter
Built-in water pump control signal
INV module communication port(Single phase unit)
PC communication interface
Internal and external communication lines
low-power consumption(Single phase unit)
Electronic expansion valve control
Four-way valve
Compressor electric heating belt
Anti-freezing electric heating of chassis
Built-in water pump power
Water Pressure Sensor
Fan power output
35