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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 EMC filter protection cover by screwdriver.
2. Remove EMC line by pliers.
Note:- Disconnecting the EMC filter link will disable the filter function, please consult your local
EMC standards requirement..
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