UPS for 400 Vac Grid, User Guide, doc. rev. 4
24
For additional information, refer to the Battery Trip Coil section in the
Installation Guide.
5.4.
Restarting the UPS after EPO
After the emergency situation 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, then switch on the AC input and bypass input circuit breakers.
4.
Switch ON the battery circuit breaker.
5.
Switch ON the UPS (Operation > Turn on/off > System on > OK).
6.
Wait until the green LED on the left side of the front panel of each UPS module is lit green.
7.
Wait for the system to transfer to Normal mode.
8.
The UPS is now ready for use.