AIR-TO-WATER HEAT PUMP INSTALLATION
92
Wiring Diagram: Indoor and Outdoor Unit (Including Field Wiring)
GRS-CQ6.0Pd/Na-K, GRS-CQ8.0Pd/Na-K, GRS-CQ10Pd/Na-K, GRS-CQ12Pd/Na-K,
GRS-CQ14Pd/Na-K, GRS-CQ16Pd/Na-K:
Specification:
1 Running indicating lamp(HL1) and Error indicating lamp (HL2) are connected or not on the basis of the
clients'demand.
2 Client water pump AC contactor(KM4) is back-up Pump for the future , so it is not be connect;
3 Leakage Switch
（LK） is necessary for additional installation, Please reference to
page 10 4.3 Electrical Data
1920
Gate-controller
If there is gate control function,
pull out the leading wire 50 on
terminal board XT2)between19 and
20 and then connect the Gate-controller
Power supply for Thermostat:If it is 230V AC,please
connect Terminal block(xt3) 21.22.23.24;If it is 24V
AC, please connect Terminal block(xt3) 25.26.27.28.
They are can not be connected as the same time.
ThermostatThermostat
PE
Other thermal system
Water- out temp sensor
CN7
Long-distance
monitor PC
Remote air
temp sensor
CN14
Main Baord
PE
Outdoor
Unit
Water-tank
temp sensor1
Water-tank
temp sensor2
3-way
valve2
3-way
valve1
2-way
valve2
2-way
valve1
AP
CN5CN16
Display
board
POWER
230V
50HZ
LK
N
L
Water tank
XT1
N(2)
1NL
Inside Unit
Electric Box
XT2
Running
indicating lamp
Error
indicating lamp
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