gassero GSR-M4-DC/M Installation And User Manual page 47

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
AC contactor
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
Case 1
380-415V,3N~ 50HZ
L1 L2 L3
A11 5 3 A2
KM1
2 6 4
Optional E-heater 1
Case 2
380-415V,3N~ 50HZ
L1 L2 L3
A1 1 5 3
KM1
2 6 4
Optional E-heater 1
Rated
Rated coil
Frequency
voltage
50Hz 220V
380-415V,3N~ 50HZ
XT3
A1 1 5 3
12 13 14
380-415V,3N~ 50HZ
A1 1 5
12 13 14
A2
Rated working voltage
for
the main circuit
220V
L1 L2 L3
XT3
A2
15 16 17
KM 2
6 4
2
Optional E-heater 2
L1 L2 L3
3
15 16 17
KM 2
2 6 4
A2
Optional E-heater 2
46
Rated working current for
the
main circuit
25A
380-415V,3N~ 50HZ
L1 L2 L3
XT3
A1 1 5 3 A2
18 19 20
KM 3
6 4
2
Water Tank E-heater
380-415V,3N~ 50HZ
L1 L2 L3
A1 1 5 3
18 19
KM3
2 6 4
A2
Water Tank E-heater