Gree GRS-CQ6.0Pd/Na-K Service Manual page 102

AIR-TO-WATER HEAT PUMP
GRS-CQ12Pd/Na-M, GRS-CQ14Pd/Na-M, GRS-CQ16Pd/Na-M
CN15
CN14
CN13
CN12
CN11
CN10
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
L1 L2
External Power Supply
(380-415V 50Hz 3N )
2.3.7 2-Way Valve
2-way valve is required to control water flow while cooling operation. Role of 2way
valve is to cut off water flow into under floor loop in cooling mode when fan coil unit is
equipped for cooling operation.
General Information
Type
NO 2-wire
NC 2-wire
17 18 19 20
L3 N
Power
230V 50Hz ～
AC
230V 50Hz ～
AC
Water Tank
2
2
L3
L2
L1
Operating Mode
Closing water flow
Opening water flow
Closing water flow
Opening water flow
INSTALLATION
Water -Tank
Temp Sensor1
Water -Tank
Temp Sensor2
Supported
Yes
Yes
Yes
Yes
97