04/2005 Removal of ‘Y’ Capacitor Link
SINAMICS G110 Operating Instructions
6SL3298-0AA11-0BP0
79
A Removal of ‘Y’ Capacitor Link
To use the SINAMICS G110 FSB and FSC on ungrounded supplies the ‘Y’
capacitor (cap) link must be removed as follows:
1. Ensure the inverter has been disconnected from all power supplies.
2. The unit should not be opened until 5 minutes after the power has been
removed.
3. Remove the EMC earth screw as shown
.
4. Lift the inverter cover as shown
.
5. Locate the ‘Y’ Capacitor Link as shown in
.
6. Cut the ‘Y’ Cap link with an appropriate pair of wire-cutters.
7. Ensure that the cut ends of the link are separated by more than 2 mm.
8. Replace the unit cover, ensuring no cables have been trapped or
damaged.
9. Tighten the EMC earth screw (0.8 Nm/7.08 lbf.in).
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