6.3
Removing the IED
1.
Turn off the power.
2.
Detach the plug-in unit from the case.
3.
Disconnect the wiring.
4.
Loosen the four M5 fixing screws.
GUID-D5C8B9E4-24C0-42A5-8632-997132CEE995 V1 EN
Figure 45:
Loosening the M5 screws
5.
Detach the case from the panel cut-out.
6.4
Sending protection relay for repair
•
In case of product problems, contact the nearest ABB office or representative for
consultation and instructions.
6.5
Exchanging protection relay
•
To exchange the protection relay with another identical unit, remove the
protection relay and install the new one.
Section 6
1MRS757641 E
Removing, repairing and exchanging
52
620 series
Installation Manual
