04-3275_OPM_ABB_CONCEPTPOWER_DPA_500kW_EN_REV-A.docx Page 53/78 ABB
Modifications reserved
10. Close Parallel Isolator IA2-1 (position ON) of Module 1, on LCD: “PARALLEL SW CLOSED” will
appear. Repeat the same for all other modules.
11. Press simultaneously the two ON/OFF buttons on the UPS-control panel (PMD) on all control panels
to turn the modules ON. On output Terminal Block there is now UPS power and on all LCD’s: “LOAD
PROTECTED” will appear.
12. Load transfer to Maintenance Bypass
Go to Menu COMMANDS and choose command “LOAD TO BYPASS” and transfer the load to mains
on control panel of any one of the UPS-modules.
Close Maintenance Bypass Switch IA1 (position ON)
On LCD: “MANUAL BYP IS CLOSED” will appear and the LED-indicator will indicate as shown
below:
13. Connect Load to the UPS Output
Insert fuses in output Distribution Board. Verify on control Panel that the load is on bypass.
14. Open Maintenance Bypass Switch IA1
On LCD: “MANUAL BYP IS OPEN” will appear followed by “LOAD NOT PROTECTED”
15. Check on LCD the Output Powers, Voltages Currents and Frequencies.
16. Load transfer to Inverter
Go to Menu COMMANDS and choose command “LOAD TO INVERTER” and transfer the load to
inverter on control panel of any one of the UPS-modules.
On all LCD’s: “LOAD PROTECTED” will appear.
17. Check the output Voltages and Currents once again.
THE LOAD IS NOW PROTECTED BY THE CONCEPTPOWER DPA
500
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