ABB DPA UPScale ST40 User Manual page 64

4. Close internal and/or external battery fuses/breaker of the new module
5. Press both "ON/OFF" buttons simultaneously to start up UPS module.
6. All modules shall show to be in
LED Indicator
LINE 1
LINE 2
BYPASS
INVERTER
BATTERY
7. Open Maintenance Bypass (IA1) by turning it to position "OFF". The load is now supplied by
the static bypass of all three modules. Check the LED indicators on control panels.
8. Transfer load to inverter mode by means of COMMAND "LOAD TO INVERTER" on any one of
control panels. On LCD: "LOAD PROTECTED" will appear and the LED indicator will indicate
as shown below:
LED Indicator
LINE 1
LINE 2
BYPASS
INVERTER
BATTERY
THE LOAD IS NOW PROTECTED BY THE DPA UPScale
Modifications reserved
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Color
Green
Green
Green
OFF
Green
Color
Green
Green
OFF
Green
Green
TM