When battery normal, rectifier starts operation, 30s later, inverter starts and operates and
Battery LED on.
CAUTION!
Press the close start button after 30 seconds until closing the battery switch.
4.2.7. Shutdown procedure
CAUTION!
This procedure should be followed to completely shut the UPS and the load
down. After all power switches, isolators and circuit breakers are opened, there
will be no output.
1. Shut down the inverter; navigate to common → inv on/off → single off (see4.3.9.1).
2. Switch off the battery breaker.
3. Switch off the mains breaker.
4. Switch off the bypass breaker.
5. Open the output breaker.
6. To completely isolate the UPS from AC Mains, all input switches of Utility must be
completely off, which includes the ones for rectifier and bypass.
The primary input distribution panel is often located far away from the UPS area, so a
label should be posted to advise service personnel that the UPS circuit is under
maintenance.
WARNING!
Wait for about 5 minutes for the internal D.C. bus bar capacitors to be
completely discharged.
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