Eaton 93PM Installation And Operation Manual

Also see for 93PM IBC-L: User and installation guide Manual Installation and operation manual User and installation guide User and installation guide

Contents

UPS Operating Instructions6-18 Eaton 93PM Emergency Lighting UPS (20–40 kW, 480V Four Wire – UL 924) Installation and Operation Manual P-164000569—Rev 2 www.eaton.com/powerquality6.3.2 Starting the UPS in Bypass ModeIf the inverter output of the UPS is not available and the critical load needs to be energized:CAUTIONIn Bypass mode, the critical load is not protected from commercial power interruptions andabnormalities.1. Open the UPS front door by lifting the latch from the bottom and turning to the right (counterclockwise)and swing the door open.2. Verify that the UPS input breaker is open.3. Close the UPS input feeder circuit breaker.4. If dual feed, close the UPS bypass feeder circuit breaker.5. Close the UPS input breaker.6. Close the door and secure the latch.7. If IBCs are installed, close the IBC battery breakers.8. Observe the UPS control panel display becoming active, indicating logic power.9. Verify no alarms are active.10. Tap the CONTROLS tab on the main menu navigation bar. The System Control screen is displayed.11. Tap the GO TO BYPASS button.The critical load is immediately supplied by the bypass source, in Bypass mode.The BYPASS status indicator is illuminated.6.3.3 Starting the UPMTo start the power module without transferring the critical load to Double Conversion mode:1. Open the UPS front door by lifting the latch from the bottom and turning to the right (counterclockwise)and swing the door open.2. Verify that the UPS input breaker is open.3. Close the UPS input feeder circuit breaker.4. If dual feed, close the UPS bypass feeder circuit breaker.5. Close the UPS input breaker.6. Close the door and secure the latch.7. Observe the UPS control panel becoming active, indicating logic power.8. Verify no alarms are active.9. Tap the CONTROLS tab on the main menu navigation bar. The System Control screen is displayed.10. Tap the MODULES CONTROLS tab on the secondary Control menu navigation bar. The UPM Selectscreen is displayed.11. On the UPM Select screen, select UPM 1. The UPM Control Screen is displayed.12. Tap the START MODULE button.The UPM 1 rectifier and inverter turn on. When the inverter reaches full voltage, the UPS is ready totransfer to the Double Conversion mode and supply the critical load.