ABB DPA UPScale ST40 - How to Fit Back a Module in a Capacity Multi-Module System

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6. On the UPS module to be replaced press both ON/OFF buttons simultaneously;
7. Open the corresponding battery fuses.
8. Remove the two fixing screws and slide the UPS module out by about 10 cm.
This operation will disconnect the module from the power connection located on the back of
the cabinet.
WARNING!
BEFORE DRAWING THE UPS-MODULE COMPLETELY OUT, WAIT 2
MINUTES UNTIL THE INTERNAL DC-CAPACITORS ARE DISCHARGED
9. Pull the UPS module out fully.
10. Insert new UPS-module or cover the opening (UPS-module compartment) with the
appropriate protection cover immediately and secure with two screws
WARNING!
MAKE SURE THE INTERNAL DC-CAPACITORS (ELCO) HAVE BEEN
DISCHARGED WAITING AT LEAST 10 MINUTES.
THE LOAD IS NOW DIRECTLY SUPPLIED BY MAINS AND IS NOT
PROTECTED.
7.4.3.2 How to fit back a module in a capacity multi-module system
To replace a faulty module in a
capacity multi-module system
perform following steps:
1. Remove the UPS module compartment protective cover by unscrewing the two screws on the
front.
Slide two-thirds of the UPS module into the dedicated UPS compartment (make sure not to
plug the UPS module into the rear connector).
Push the UPS module into its final position and push firmly to ensure good contact with the
rear plugs.
NOTE
WE RECOMMEND 2 PERSONS FOR PULLING OUT THE MODULE FROM
THE UPS-FRAME. THE WEIGHT OF A OF UPSCALE M10 IS 18.5 KG, M20
MODULE IS 21.5KG)
2. Tighten the two screws on the front of module;
3. Check if LED LINE1 and battery are green.
On the LCD: “LOAD OFF, SUPPLY FAILURE” will appear and the LED indicator will indicate as
shown below:
LED Indicator Color
LINE 1 Green
LINE 2 OFF
BYPASS OFF
INVERTER OFF
BATTERY Flashing Green