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3.8 EMC Filter Disconnection
EMC filter may be disconnected:
Inverter drives with built-in EMC filter are not suitable for connection to certain type of supply
systems, such as listed below; in these cases the RFI filter can be disabled.
In all such cases consult your local electrical standards requirements.
IT type supply systems (ungrounded) & certain supply systems for medical equipment.
For ungrounded supply systems If the filter is not disconnected the supply system becomes
connected to Earth through the Y capacitors on the filter circuit. This could result in danger and
damage to the Drive.
Disconnection steps :
1. Remove the front cover.
2. Loosen the screw.
3. Remove the metal link.
4. Tighten the screw.
Note:- Disconnecting the EMC filter link will disable the filter function, please consult your local
EMC standards requirement.
(1) (2) (3) (4)
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