1.7. Internal Emc Filter And Varistors - Disconnection Procedure - Invertek Drives Optidrive ODV-3-560540-3012-TN User Manual

11.7. Internal EMC Filter and Varistors – Disconnection Procedure
11.7.1. IP20 Drive Models
All Optidrive ECO models provide a simple method to disconnect the internal EMC filter and surge protection varistors by fully
removing the screws shown below. This should only be carried out where necessary, for example in cases such as IT or ungrounded
supplies, where the phase to ground voltage can exceed the phase to phase voltage.
The EMC filter disconnect screw is labelled "EMC".
The surge protection varistors disconnect screw is clearly labelled "VAR".
Frame Sizes 2 & 3
The EMC Filter and
Varistor disconnect screws
are located on the left
side of the product when
viewed from the front.
Remove both screws
completely.
Frame Size 4
Frame Size 4 units have
EMC Filter disconnection
points only located on the
front face of the unit as
shown.
Frame Size 6A/6B
Frame Size 6A/6B
units have EMC Filter
disconnection points only
located on the front face of
the unit as shown.
11.7.2. IP55 & IP66 Models
These models require disassembly in order to disconnect the EMC filter. Disconnection should be carried out only by Invertek Drives
Approved Service Partners.
www.invertekdrives.com
Frame Size 5
Frame Size 5 units have
EMC L1 L2 L3
EMC Filter disconnection
points only located on the
front face of the unit as
shown.
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