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Power supply unit UPS (77 3400 00)
Fig. 4: Installation position of the batteries
Internal battery fuse: FKS 20A
1
(spare part order no. 00 0132 03)
2
Plastic cover for the bottom battery
3
Bottom battery
Hook and loop strap on the bottom
4
battery
Tab.3: Installation position of the batteries
1.
Disconnect the power supply UPS from the power.
2.
Remove the four fastening screws from the left cover and remove the cover
by pulling it towards you.
3.
Remove the battery fuse FKS 20A (1).
4.
Document the installation direction and connection polarity of the used bat-
teries.
5.
Remove the used batteries. To do this, detach each of the hook and loop
straps first.
6.
Insert the new batteries, using the same installation direction as the ones
that have been removed, and ensure that the connection polarity is correct.
Reversing the polarity of the batteries may result in the power supply unit
UPS being destroyed. Ensure the plastic cover for the batteries is attached
correctly.
7.
Secure the hook and loop strap again to hold the batteries in place.
8.
Insert the battery fuse FKS 20A (1) in the fuse holder.
9.
Replace the housing.
10. It necessary to perform a functional test of the power supply unit UPS.
Power supply unit UPS (77 3400 00) – Instruction manual – 00 8802 41, 04/16 (Rev. 9.0)
5
Top battery
6
Hook and loop strap on the top battery
7
Plastic cover for the top battery
Product leaflets 03/2018, page 100
Replacing batteries
│18
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