Electrical installation 75
Frames R4…R8
To disconnect the internal EMC filter or ground-to-phase varistor, if needed, do as
follows:
1. Switch off the power from the drive.
2. Open the cover, if not already opened. For frames R4…R6, see page
82
. For
frames R6…R8, see page
86
.
3. To disconnect the internal EMC filter, remove the two EMC screws.
4. To disconnect the ground-to-phase varistor, remove the varistor screw.
R4
3
3
4
3
3
4
R5
3
3
4
3
3
4
R5
Electrical installation 75
Frames R4…R8
To disconnect the internal EMC filter or ground-to-phase varistor, if needed, do as
follows:
1. Switch off the power from the drive.
2. Open the cover, if not already opened. For frames R4…R6, see page
82
. For
frames R6…R8, see page
86
.
3. To disconnect the internal EMC filter, remove the two EMC screws.
4. To disconnect the ground-to-phase varistor, remove the varistor screw.
R4
3
3
4
3
3
4
R5
3
3
4
3
3
4
Electrical installation 69
11
Summary of Contents for ACQ80-04 Series
Page 1: ...ABB DRIVES FOR WATER ACQ80 04 drives 0 75 to 160 kW 1 0 to 215 hp Hardware manual...
Page 2: ......
Page 4: ......
Page 18: ...18...
Page 24: ...24...
Page 38: ...38...
Page 50: ...50...
Page 64: ...64...
Page 98: ...98...
Page 110: ...110...
Page 140: ...Frame R3 IP20 140 Dimension drawings...
Page 146: ...146...
Page 162: ...162...
Page 168: ......