COMEM eSDB 10 Manual De Instrucciones página 13

Operations
Action description
1 Inform COMEM about the
switching of the eSDB due
to a suspect overvoltage.
2 Disconnect the supply
voltage
3 Remove the electronic box
cover unscrewing the 6
screws
4 Check with a tester on the
terminal 31-32 and verify
the absence of tension.
5 Remove the metallic
protection
6 Locate the overvoltage
protection position on
the bottom left of the
electronic control board.
Look for the varistor and
the fuse.
Tool Pictures/Notes
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B
D
C
Action description
7 Remove the Varistor
screwing the 2 screws on
the terminals and then slip
off the varistor.
8 Mount the plastic
protection
9 Insert the pin of the new
varistor in the terminal then
fasten the 2 screws on the
terminal.
WARNING
The varistor has to be
assembled in the same
position of the before one
bending the pins in order to
guarantee a right position, far
from the other components.
10 Mount the new fuse
11 Mount the metallic
protection
12 Powering the device
13 Close the electrical box
Table 8
Tool Pictures/Notes
A
A
C
B
13