Commissioning
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6
6.2
Changing EMC protection class
If your supply network is an IT (impedance-grounded) system but your AC drive is EMC-pro-
tected according to class C1 or C2 you need to modify the EMC protection of the AC drive to
EMC-level T (C4). This is done as described below:
6.2.1
Changing EMC protection class - MS2 three-phase version
Figure 35.Changing of the EMC class in MS2 (three-phase version).
Warning! Do not perform any modifications on the AC drive when it is connected
to mains.
1
Remove the three screws on the EMC plate from the unit.
Summary of Contents for 20 CP
Page 1: ...vacon 20 cp ac drives installation Technical and Maintenance manual ...
Page 2: ......
Page 6: ...vacon 3 ...
Page 16: ...1 vacon 13 Safety Figure 6 STO certificate ...
Page 18: ...1 vacon 15 Safety ...
Page 24: ...vacon 21 Receipt of delivery 2 ...
Page 36: ...3 vacon 33 Mounting ...
Page 48: ...4 vacon 45 Power cabling ...
Page 64: ...5 vacon 61 Control unit ...