Gree GRS-CQ12Pd/NhG-K, Owner'S Manual

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Air-to-water Heat Pump
51
MONOBLOC TYPE
(4) Selection of the AC Contactor
The AC contactors have not equipped for the unit before delivery. Therefore, the AC contactors for the auxiliary
electric heater 1, auxiliary electric heater 2 and water tank heater should be installed on site. See the table below
for reference technical data.
Name
Rated
Frequency
Rated coil voltage
Rated working voltage for
the main circuit
Rated working current for the
main circuit
AC contactor 50Hz 220V 220V 25A
See figures below for more wiring instructions:
GRS-CQ4.0Pd/NhG-K, GRS-CQ6.0Pd/NhG-K,GRS-CQ8.0Pd/NhG-K,GRS-CQ10Pd/NhG-K, GRS-CQ12Pd/
NhG-K, GRS-CQ14Pd/NhG-K, GRS-CQ16Pd/NhG-K
GRS-CQ10Pd/NhG-M, GRS-CQ12Pd/NhG-M, GRS-CQ14Pd/NhG-M, GRS-CQ16Pd/NhG-M
Case 1
KM1
A2
12 13 14
380-415V,3N~ 50H Z
380-415V,3N~ 50H Z
380-415V,3N~ 50H Z
A11
L1 L3 L2
3 5
6 2
2
2
4
6
KM 2
A2
15 16 17
A1 1
L1 L3 L2
3 5
4
6
KM 3
A2
18 19 20
A1 1
L1 L3 L2
3 5
4
XT3
XT3
XT3
Optional E-heater 1 Optional E-heater 2 Water Tank E-heater
Case 2
380-415V,3N~ 50H Z
380-415V,3N~ 50H Z
380-415V,3N~ 50H Z
KM1
A2
12 13 14
A1 5
L1 L3 L2
3
3
1
1
3 1
2
2
6
6
4
5
KM 2
15 16 17
A1
L1 L3 L2
4
5
KM3
18 19
A1
L1 L3 L2
2 6 4
A2
A2
Optional E-heater 1 Optional E-heater 2 Water Tank E-heater