Pcb Outline - Gree GRS-CQ6.0Pd/Na-K Service Manual

AIR-TO-WATER HEAT PUMP

2.2 PCB Outline

(1). GRS-CQ6.0Pd/Na-K(O).GRS-CQ8.0Pd/Na-K(O).GRS-CQ10Pd/Na-K(O)
Silk Screen
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 fan
1 pin：strong power supply；3 pin：fan GND；4 pin：+15V；5 pin：control signal；6
DC_MOTOR1
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－
1 hole: +3.3V
SENSOR3
CN66.CN67 Communication cable 2 pin B，3pinA
Communication cable: 1 pin earthed，2 pin B，3 pin A，4 pin+12power supply;
CN65
It can not be used for communication between outdoor unit and indoor unit;
Pipe electric expansion valve
FA
1-4 pin：driving impulse output；5 pin：+12V；
Signal input of pressure sensor
H-PRESS
1 pin：GND；2 pin：signal input；3 pin：+5V
Specification
2 hole: detection ; suction temperature sensor
INSTALLATION
84