UPS for 480 Vac Grid, User Guide, doc. rel. 4.0
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5.3.
Restarting the UPS after EPO
After the emergency that prompted use of the EPO switch has been resolved, the UPS can be
restarted as follows:
1.
Reset the EPO switch.
2.
Switch OFF the following circuit breakers:
Ac input
Bypass input
Battery
3.
Wait 1 minute.
4.
Switch on the ac input and bypass input circuit breakers.
5.
Switch ON the battery circuit breaker.
6.
Switch ON the UPS (Operation > Turn on/off > System on > OK).
7.
Wait until the green LED on the left side of the front panel of each UPS module is lit green.
8.
Wait for the system to transfer to Normal mode.
9.
The UPS is now operational.
