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ABB DPA 250 S4 - Page 91

ABB DPA 250 S4
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91
13 ADDING/REPLACING A UPS MODULE
5. Load OFF the module by means of the ON/
OFF button present on its control panels (Al-
ways confirm with “ENTER” when required).
6. Turn to OFF position (open) the module bat-
tery breakers present on the frames and ex-
ternal battery cabinets or racks breakers or
fuses.
7. Turn to OFF position (open) the output isola-
tor Q2 installed on the frame.
LED indicators status on the module Display on the module
LED INDICATION COLOR SINGLE/DUAL INPUT FEED CONFIGURATION
Rectifier Green
Bypass Green
Load Yellow
Battery Flashing red
8. Unscrew the two screws on the front side of
the module fixing it to the UPS-frame.
9. Pull the module only partially horizontally by
means of the 2 black handles until the rear
connectors are disconnected.
10. Wait approx. 5 minutes before completely re-
moving the module from the frame to be sure
the AC and DC capacitors installed in it are
completely discharged!
11. To extract the module completely, press
down the top-left yellow tab (as shown in the
figure here) and then draw the UPS module
out by pulling it out horizontally.
NOTE

OUT THE MODULE FROM THE FRAME.
THE WEIGHT OF ONE MODULE IS

12. Insert now the UPS module or close the open-
ing (UPS module compartment) with appro-
priate protection cover immediately (Fix the
cover with two screws).

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