ABB CONCEPTPOWER CLASSIC DPA-50 User Manual page 72

In a Redundant Parallel system one module can be re-introduced on its original location without affecting
normal system operation. Load will be protected by the other modules running ON-LINE.
Module must be previously set according to system personalization. Please make sure with your nearest
service centre for correct settings.
1. Remove the protection cover by unscrewing the 4 fixation screws on the front.
2. Lift the module to its destination position. See above note concerning weights.
3. Slide two thirds of UPS module into dedicated compartment (make sure not to plug the UPS-Module into
the rear connector). Connect Control Panel cable to connector JD7.
Push UPS-module to its final position and push strongly to assure good contact on the rear plugs.
Tighten the four screws on the front of module;
4. Check if LED LINE1 and battery is green. If yes, mains voltage is OK;
On the LCD: "LOAD OFF, SUPPLY FAILURE" will appear and the LED-indicator will indicate as
shown below:
LED Indicator
LINE 1
LINE 2
BYPASS
INVERTER
BATTERY
5. Close internal and/or external battery fuses/breaker of the new Module
6. Press both "ON/OFF" Buttons simultaneously to start-up UPS.
7. Wait 60 seconds, LCD panel must display: "LOAD DISCONNECTED PARALLEL SWITCH OPEN"
and the LED-indicator will appear as shown below:
LED Indicator
LINE 1
LINE 2
BYPASS
INVERTER
BATTERY
8. Transfer load to Inverter-Mode by means of COMMAND "LOAD TO INVERTER" of the control panel.
LED-indicator will appear as shown below:
LED Indicator
LINE 1
LINE 2
BYPASS
INVERTER
BATTERY
9. Stop the module by pressing simultaneously both "ON/OFF" buttons.
10. Close the Parallel Isolator Switch IA2 corresponding to the module.
LCD panel must show the message PARALLEL SW CLOSED.
11. Press simultaneously both "ON/OFF" buttons.
Module will restart automatically connecting load to inverter and run in parallel with other ON LINE
modules. LCD panel must show LOAD PROTECTED indication.
THE LOAD IS NOW PROTECTED BY THE CONCEPTPOWER DPA
Colour
Green
OFF
OFF
OFF
Flashing Green
Colour
Green
Green
Green
OFF
Flashing/Green
Colour
Green
Green
OFF
Green
Green
04-3008_S5_ABB_OPMCPDPA-S2_GB_121202
Printed in Switzerland – Modifications reserved
TM
S2
Page 12/16 ABB
Section-5