Eaton 9E Generation 3 Installation And Operation Manual

Also see for 9E: Installation and operation manual Installation and operation manual Installation and operation manual Manual Manual

Contents

UPS Operating InstructionsEaton 9E UPS (20–30 kVA, 208/220V) Generation 3 Installation and Operation Manual P-164000301—Rev 1 www.eaton.com/powerquality 6-218. Verify no alarms are active on the UPS being restarted.9. On the UPS being restarted, select the CONTROLS symbol on the main menu bar. The System Controlscreen is displayed.10. If not already selected, select UPS on the System Control screen.11. On the UPS System Control screen, select the UPS OFF NORMAL command, then press theRETURN pushbutton.12. If requested, enter the Level 1 password. Default password is 1111.The rectifier and inverter turn on. The inverter continues to ramp up to full voltage.Once the inverter reaches full voltage, the UPS inverter switchgear closes and the static switch turns off.Power is now supplied to the critical load in HE Normal mode along with the other UPSs online. It takesapproximately one minute for the UPS to achieve HE Normal mode.The Normal status indicator is illuminated.6.4.9 UPS and Critical Load ShutdownTo perform maintenance or service on the critical load, shut down power to the load:1. Turn off all equipment that is being powered by the UPS parallel system.2. Transfer the UPSs to bypass by performing the procedure in paragraph 6.4.3.3. Perform the LOAD OFF procedure in paragraph 6.4.12.The inverter and bypass switchgear open, and the power module is turned off.4. Perform the battery charger off procedure in paragraph 6.4.10 for each UPS.The rectifier and battery switchgear open.WARNINGPower is present inside the UPS cabinets after the upstream input feeder circuit breakers areopened because of the installed internal batteries.5. Open all of the UPS input circuit breakers.6. Open all of the MOBs.7. Open all UPSs input feeder circuit breakers.8. If the UPSs are dual-feed, open all bypass feeder circuit breakers.9. If the UPSs are EBC capable, open all UPSs battery breakers.10. If EBCs are installed, open all battery breakers