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Centric 3x480 Vac, Installation Guide, rel. 2.2
46
B
Shelves for up to 8 UPS modules (240 kW model) or up to 4 UPS modules (120 kW model).
Each UPS module supplies 30 kW. The lowest UPS shelf is UPS shelf 1, the next shelf up is
shelf 2, and so on. When installing the UPS modules, work upward from the lowest shelf.
4.
Navigate to "Setup > System > Nominal Settings" and tap the Confirm button.
5.
Navigate to "Operation > Turn on/off > Modules on". Select the module to be switched "ON" and press
"Confirm". (You may be prompted for the system password.)
A message is displayed on the screen: “This will disconnect ac input for all modules. Warning! If
batteries cannot support the load UPS will transfer to bypass. Continue?”
If the batteries have a good charge, you can ignore this message and tap “Continue”. If you think your
batteries might not be able to support the load at this time, you might want to temporarily reduce the
load, or press “Cancel” and let your batteries charge before continuing. As a rule of thumb, figure that
the battery needs to have a charge sufficient to support the load for 10 minutes.
Wait until all the modules that should be “ON” are marked with a checkmark. (Figure 40).
Continue with section 6.2.3
Figure 40: All modules are marked with a checkmark
6.2.3
Verify proper module output
1.
On the "Status > Modules" screen, press the Inverter Output button, select the modules one-by-one
and verify that the output frequency of each module matches the system nominal value, and that the
output voltage of each phase is within 2 % of the system nominal value.
