Air-to-water Heat Pump
30
(2) GRS-CQ12Pd/NaB-M(O), GRS-CQ14Pd/NaB-M(O), GRS-CQ16Pd/NaB-M(O)
Silk screen
Specification
L1
live wire input of power supply
L2
L3
N
Neutral line input of power supply
L
Reactor red 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
