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Centric Installation Guide, rel. 4.7
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7.Put the UPS in multisystem mode:
Main menu > Setup > System > Multisystem mode.
(In the event that this option is blocked, consult Gamatronic Support or your distributor to obtain
the needed password.)
8.Now turn on the other parallel system or systems. These will be the slave systems.
You can have up to four systems in a parallel configuration. Once the master system has
completed the start-up process (step 6 above), the remaining systems (slave systems) can be
switched on together. Wait until they finish start-
up and verify that each system is in “Normal”
mode and has no active alarms.
9.Put the slave systems in multisystem mode (Main menu > Setup > System > Multisystem
mode).
10. For each slave system, compare the output voltage of each phase to that of the master
system. Any voltage difference should be no greater than 2 Vac. If the difference in output voltage
is greater than 2 V for any phase, navigate to the “Main Menu > Status” screen, tap the “Modules”
icon, and then tap the “output” button at the bottom of the page.
You will see the ac output voltage display, per module. By tapping on each of the module icons
on the left side of the screen you can see which modules have an output voltage that is more than
±2 V different from the master system.
Figure 51: Ac output voltage display, per module
