Gree GRS-CQ6.0Pd/Na-K Service Manual page 90

AIR-TO-WATER HEAT PUMP
(2). GRS-CQ12Pd/Na-K(O).GRS-CQ14Pd/Na-K(O).GRS-CQ16Pd/Na-K(O)
Silk Screen
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
PFC yellow inductive wire
L2-1
PFC white inductive wire
L1-2
U-phase of compressor
U
V-phase of compressor
V
W-phase of compressor
W
DC fan
1 pin：strong power supply；3 pin：fan GND；4 pin：+15V；5 pin：control signal；6
DC_MOTOR1
pin：feedback signal；
DC fan
1 pin：strong power supply；3 pin：fan GND；4 pin：+15V；5 pin：control signal；6
DC_MOTOR2
pin：feedback signal；
4-way valve
4V1
Electric heating tape
HEAT
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－
1 hole:+3.3V
SENSOR3
CN66.CN67 Communication cable 2 pin B，3 pin A
Communication cable 1 pin earthed，2 pin B，3 pin A，4 pin+12 power 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
85