ABB Conceptpower DPA 500, Operating Manual

Page: 61 / 114

Modifications reserved
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6. Check battery polarity and voltage.
7. If the battery polarity and voltage is correct insert internal (if any) and external battery
fuses (breakers).
8. Testing of Parallel Functions
(The load fuses in output Distribution Board are still open i.e. the loads are
disconnected!).
All UPS-Modules are on INVETER MODE
9. Press simultaneously the two ON/OFF buttons on the UPS-control panel (PMD) on all
control panels to turn the modules OFF. On the LCD’s message “LOAD OFF, SUPPLY
FAILURE” will appear
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) (if present)
On LCD: “MANUAL BYP IS CLOSED” will appear.
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
NOTE
IN CASE THE APPLIED LOAD IS LESS THAN 25%; IT MAY BE WORTH TO
ENABLE THE XTRA VFI OPERATING MODE ( SEE APPENDIX A ) IN ORDER
TO GAIN IN SYSTEM EFFICIENCY