NOTICE:
Signal cables must be installed separate both from motor cable and power supply cable.
If signal cables are installed in parallel to power supply cable or to motor cable for a
longer distance, the distance between these cables should be more than 200mm. Do not
cross power cables and control cables - if this is not possible, cross them only in an angle
of 90°.
6.4.3 RFI switch
In case mains power supply is impedance-grounded (IT), the AC drive must have the EMC
protection level C4 as per product standard EN61800-3:2004 + A1:2012: it is then
necessary to deactivate the RFI filter of Hydrovar, by unscrewing the RFI switch depicted in
the following image.
WARNING:
Do not make changes on Hydrovar when it is connected to mains: Make sure that the unit
is disconnected from the power supply before removing the screw.
6 Electrical Installation
HVL 2.015-4.220 Installation, Operation, and Maintenance Manual 31
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