Frames R4 - ABB ACS580-01 Hardware Manual

78 Electrical installation
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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 R5: see page 53, frames R6...R9:
see page 56.
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
R5
3
3
4
3
4
3