Eaton Power Xpert 9395C Installation And Operation Manual

136 Eaton Power Xpert 9395C UPS Installation and Operation Manual 164000821—Rev 06The Online status indicator is illuminated. The UPS status indicates ONLINE. The UPM status indicatesONLINE.12. Close the battery breaker for the UPS being restarted.NOTE If any UPS output is on, do not close the MOBs of any non-powered attached parallelunits. Closing the MOBs may open or blow the non-active unit's output fuses.13. Select the UPS to Bypass14. Place the other units in Bypass15. Close the MOB.16. Place all units to Online.77..55..55 UUPPSS aanndd CCrriittiiccaall LLooaadd SShhuuttddoowwnnTo perform maintenance or service on the critical load, shut down UPS power to the load.To shut down the UPS and the critical load:1. Turn off all equipment that is being powered by the distributed bypass system.2. Perform the LOAD OFF procedure in paragraph 7.5.7 Using the UPS LOAD OFF Command on the UPSbeing shut down.The input contactor opens and the power module turns off.Logic power remains on.Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.3. Open systems MOBs.4. Open the input and bypass feeder circuit breakers on all UPSs.77..55..66 CChhaarrggeerr CCoonnttrroollTo turn on the battery charger:1. Press the Controls tab on the Home screen menu bar. The System Controls screen is displayed (seeFigure 79).2. Select the Module Controls tab from the menu bar. The Module Controls screen is displayed (Figure 80).3. Select the applicable UPM button to display the Module Control Detail screen (see Figure 81).4. Press the Start Charger button to start the UPM charger.5. Use the Prev and Next buttons to select the UPMs as applicable and repeat step 4. to start their chargers.To turn off the battery charger:1. Press the Controls tab on the Home screen menu bar. The System Controls screen is displayed (seeFigure 79).2. Select the Module Controls button from the menu bar. The Module Controls screen is displayed (seeFigure 80).3. Select the applicable UPM button to display the Module Control Detail screen (see Figure 81).4. Press the Turn Off Charger button to turn off the UPM.UPS Operating Instructions