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P a g e
OVR-15, 27 & 38 LV cabinet Instruction Manual
R
EMOVAL OF
RER615
RELAY
The RER615 is not intended for “hot swapping. When the RER615 is removed from its case, the current (I)
input terminals automatically short circuit the CT inputs. No card should be removed from the RER615 in
the
fi
eld. If removal of cards is required, contact the ABB Customer Service Group.
Please follow the mandatory safety procedures as mentioned under section 1.0 of this document.
Once RER615 relay is powered OFF, with the inner door closed, move the relay handle upward by 90 Deg.
Then pull the handle in horizontal plane .This removes the relay from its case. The movement is guided by
the guide rails.
Figure-19 : Removal of RER615 from its case
R
EMOVAL OF
B
ATTERIES
Please follow the mandatory safety procedures as mentioned under section 1.0 of this document. Below
figure describes the steps to be followed when it is required to remove the batteries.
Before physically removing the batteries from LV unit, ensure that the battery MCB is OFF and the
battery connections are totally removed from battery terminals
1.
Switch off the Battery MCB
2.
Disengage Male-Female connectors inside the
battery wiring conduit
3.
Remove the M6 Hex Head Screws A, B and C
4.
Now, Remove the battery temperature sensor, by
disengaging the male-female connectors
5.
Remove the whole Battery assembly and then
remove the clamps by removing M6 Hex head
Screws D and E
6.
Now, Remove the Batteries B1 and B2 in the
direction as shown
Figure - 20 : Removal of Batteries
