Frames R4 - ABB ACS560 Hardware Manual

4. To disconnect the ground-to-phase varistor, remove the varistor grounding screw.
3
4
Frames R4...R8
To disconnect the internal EMC filter or ground-to-phase varistor, if needed, do as
￭ Frames R4...R8
follows:
To disconnect the internal EMC filter or ground-to-phase varistor, if needed, do as follows:
1. Switch off the power from the drive.
1. Switch off the power from the drive.
2. Open the cover, if not already opened. For frames R4...R6, see page 82. For
2. Open the cover, if not already opened. For frames R4...R6, see section
procedure, frames R3...R4 (page
frames R6...R8, see page 86.
procedure, frames R5...R8 (page
3. To disconnect the internal EMC filter, remove the two EMC screws.
3. To disconnect the internal EMC filter, remove the two EMC screws.
4. To disconnect the ground-to-phase varistor, remove the varistor screw.
4. To disconnect the ground-to-phase varistor, remove the varistor screw.
R4
R4
3
4
R5
71). For frames R6...R8, see section
75).
3
3
3
4
Electrical installation 65
Electrical installation 75
Connection
Connection