OPERATION
Individual UPS ShutdownTo shut down a single UPS in the parallel system:
1.Press any button on the front panel display to activate the menu options.
2. Press the button on the front panel display and then press the 
button to select the TURN UPS ON/OFF menu.
3.Press the 
button to select the UPS Off option; press the 
button.
4.Confirm the selection. Press and hold the 
button for three seconds, until the UPS stops beeping.
The input contactor opens.
5.Switch the UPS battery circuit breaker to the OFF position.
The UPS is disconnected from the batteries and is on logic power only.
6.Switch the UPS breaker on the parallel tie cabinet to the OFF position.
NOTE If there is only one breaker for all UPSs, do not switch off utility power until all UPSs are shut down.
7.Switch off utility power where the UPS is connected.
If you are shutting down all the UPSs in a parallel system, repeat Steps 2 through 6 for each UPS then remove utility power.
EATON Powerware® 9155 Parallel UPS | 51 |