ABB ACQ580-01 Series, Quick Installation And Start-Up Manual

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Disconnect EMC filter or ground-to-phase varistor, if needed
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 front cover, if not already opened, see figure
B on page 169 .
3. To disconnect the internal EMC filter, remove the two EMC screws.
4. To disconnect the ground-to-phase varistor, remove the varistor screw.
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