Gree VERSATI SERIES - 2.3 Electric Wiring Design

78
Air to Water Heat Pump
Service Manual- Versati Series
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2.2 PCB Outline
(1) GRS-CQ6.0Pd/Na-K(O), GRS-CQ8.0Pd/Na-K(O), GRS-CQ10Pd/Na-K(O):
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AC-L Live wire input of power supply, red
N Neutral wire input of power supply, white
E1 Ground wire, yellow green
L2-2 PFC blue inductive wire
L1-1 PFC brown inductive wire
L2-1 PFC yellow inductive wire
L1-2 PFC white inductive wire
U U-phase of compressor
V V-phase of compressor
W W-phase of compressor
DC_MOTOR1
DC fan
1 pin: strong power supply; 3 pin: fan GND; 4 pin: +15V; 5 pin: control signal; 6 pin:feedback signal;
4V 4V1 4-way valve
HEAT Electric heating tape
VA-1 E-heater of chassis
HPP High pressure switch
LPP Low pressure switch
OVC-COMP Overload protection of compressor
T-SENSOR2 1, 2 hole: pipe temperature; 3, 4 hole: environment; 5, 6 hole: exhaust
T-SENSOR3 1 hole: +3.3V 2 hole: detection ; suction temperature sensor
CN66.CN67 Communication cable 2 pin B, 3pinA
CN65
Communication cable: 1 pin earthed, 2 pin B, 3 pin A, 4 pin+12power supply;
It can not be used for communication between outdoor unit and indoor unit;
FA
Pipe electric expansion valve
1-4 pin: driving impulse output; 5 pin: +12V;
H-PRESS
Signal input of pressure sensor
1 pin: GND; 2 pin: signal input; 3 pin: +5V;