Gree VERSATI SERIES, Service Manual

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Air to Water Heat Pump
Service Manual- Versati Series
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(2) GRS-CQ12Pd/Na-K(O), GRS-CQ14Pd/Na-K(O), GRS-CQ16Pd/Na-K(O):
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AC-L Live wire input of power supply, red
N Neutral line input of power supply(PFC blue inductive wire) blue
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;
DC_MOTOR2
DC fan
1 pin: strong power supply; 3 pin: fan GND; 4 pin: +15V; 5 pin: control signal; 6 pin: feedback signal;
4V1 4-way valve
HEAT Electric heating tape
VA-1 E-heater of chassis
HPP High pressure switch
LPP Low pressure switch
T-SENSOR2 1, 2hole: pipe temperature; 3, 4hole: environment; 5, 6hole: exhaust
T-SENSOR3 1 hole:+3.3V 2 hole: detection: suction temperature sensor
CN66.CN67 Communication cable 2 pin B, 3 pin A
CN65
Communication cable 1 pin earthed, 2 pin B, 3 pin A, 4 pin+12 power 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;