Eaton 93E MK2 Installation And Operation Manual

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6.4.1 Starting the Parallel UPS in Standard Normal Mode (Default Mode)To start the UPS system:1. Unfasten the front door by lifting the latch from the bottom and turning to the right(counterclockwise) and swing the door open (see Figure 6-1).2. Verify that all input breakers are open.3. Verify that the maintenance bypass breakers are open.4. Close all Module Output Breakers (MOBs).5. Close all UPS input feeder circuit breakers.6. If the UPSs are wired for dual input, close all of the UPSs Bypass input feeder circuit breakers.7. Close all input breakers.8. If the UPSs are wired for dual input, close all bypass input switches.9. Make sure MBS cover is inst alled.10. Close the door and secure the latch.11. Close all external battery breakers.12. Observe the UPS control panel display becoming active, indicating logic power.13. Verify no alarms are active.14. Select the CONTROLS symbol on the main menu bar. The System Control screen is displayed.15. If not already selected, select UPS on the System Control screen.16. On the UPS System Control screen, select the LOAD OFF NORMAL command, thenpress theRETURN pushbutton.17. If requested, enter the Level 1 password. Default password is 1111.After entering password, UPS will transfer to bypass first and the Bypass LEDwill illuminate. All rectifiers and inverters turn on. The inverters continue to rampup to full volt age.Once all inverters reach full voltage, the UPS output contactor closes and the static switchturns off. Power is now supplied to the critical load in Standard Normal mode. It takesapproximately one minute for the UPS to achieve Standard Normal mode.The Normal status indicator is illuminated.67Eaton 93E MK2 UPS (10-40kVA, 380/400/415V) Installation and Operation