ABB ACS580-01 - Frames R4

94 Electrical installation
 Frames R4…R9
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. Frame R4
: see page 97, frame R5: see
page 105, frames R6…R9
: see page 63.
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
R5
3
3
4