Charger Control - Eaton 93PM Installation And Operation Manual

UPS Operating Instructions
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To shut down a single UPM:
1. Tap the CONTROLS tab on the main menu navigation bar. The System Control screen is displayed.
2. Tap the MODULES CONTROLS tab on the secondary Control menu navigation bar. The UPM Select
screen is displayed.
3. On the UPM Select screen, select the UPM to shutdown. The UPM Control Screen is displayed.
4. Tap the SHUT DOWN MODULE button.
The UPM status indicates SHUTDOWN. The power module is turned off. The remaining UPMs continue to
supply the critical load.
Logic power remains on.
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To restart a single UPM from a shutdown state:
1. Tap the CONTROLS tab on the main menu navigation bar. The System Control screen is displayed.
2. Tap the MODULES CONTROLS tab on the secondary Control menu navigation bar. The UPM Select
screen is displayed.
3. On the UPM Select screen, select the UPM to start. The UPM Control Screen is displayed.
4. Tap the START MODULE button.
The UPM rectifier and inverter turn on. When the inverter reaches full voltage, the UPS is ready to transfer
to the Double Conversion mode and supply the critical load.
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To 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.
2. Perform the Load Off procedure in paragraph
The inverter and bypass switchgear open, and the power module is turned off.
3. Perform the battery charger off procedure in paragraph
The rectifier and battery switchgear open.
Power is present inside the UPS cabinet until the upstream input feeder circuit breakers and battery breakers
are opened. Wait at least 5 minutes before accessing internal components.
4. Open the UPS input feeder circuit breaker.
5. If dual feed, open the UPS bypass feeder circuit breaker.
6. If IBCs are installed, open all battery breakers.
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To turn the battery charger on:
1. Tap the CONTROLS tab on the main menu navigation bar. The Control screen is displayed.
2. Tap the UPS CONTROLS tab on the secondary navigation bar. The UPS Control screen is displayed.
116 Eaton 93PM UPS (400V/480V Four-Wire – 100 kW Frame) Installation and Operation Manual 164000566—Rev 04
7.3.15 Using the UPS LOAD OFF
7.3.13 Charger Control.
WARNING
Command.