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Replacing the PrimoPS power PC board
Preparation
Set the DC disconnector to OFF
Disconnect the AC supply
Remove the DATCOM cover
If applicable disconnect the data communication lines
Loosen unit from the wall bracket and remove.
Remove the power module cover
Replacing the Pri-
moPS power PC
board
Removing PrimoPS:
Remove air duct (1)
Remove all cables (2)–(4) from Pri-
moPS
Remove 14 x 4x9 mm TX20 screws (5)
from the PrimoPS PC board
WARNING! An electric shock can be fatal!
Observe the five safety rules!
1
2
3
4
5
6
(1)
1
(2) (3) (4) (5)(5)(5) (5)(5)
2
3
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