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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.
See figures below for more wiring instructions:
GSR-M4-
DC/M, GSR
-M6-
DC/M
GSR-M8-
DC/M,
GSR-M10-
DC/M, GSR
-M12-
DC/M, GSR
-M14-
DC/M,
GSR-M16-
DC/M,
GSR-M10-
DC/T, GSR
-M12-
DC/T, GSR
-M14-
DC/T, GSR
-M16-
DC/T
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
KM1
12 13 14
380-415V,3N~ 50HZ
L1 L2 L3
A11
5 3
A2
2 6 4
KM 2
15 16 17
380-415V,3N~ 50HZ
L1 L2 L3
A1 1 5 3
A2
2 6 4
KM 3
18 19 20
380-415V,3N~ 50HZ
L1 L2 L3
A1 1 5 3
A2
2 6 4
XT3
XT3
XT3
Optional E-heater 1
Optional E-heater 2
Water Tank E-heater
Case 2
380-415V,3N~ 50HZ
KM1
A2
12 13 14
L1 L2 L3
A1 1
5 3
2 6 4
KM 2
15 16 17
A1 1 5 3
380-415V,3N~ 50HZ
L1 L2 L3
2 6 4
KM3
18 19
A1 1 5 3
380-415V,3N~ 50HZ
L1 L2 L3
2 6 4
A2
A2
Optional E-heater 1
Optional E-heater 2
Water Tank E-heater
Case 1
