UPS OPERATING INSTRUCTIONS
Eaton 9395 UPS (225–275 kVA) Installation and Operation Manual S 164201683 Rev 3 www.eaton.com/powerquality
7-26
7. On the System Status screen, select the UPM command.
8. Press the
CONTROLS pushbutton on the System Status Command menu bar. The
UPM 1 Control Command screen is displayed.
9. On the UPM Control Command screen, select UPM ON.
10. Press the
SELECT pushbutton on the UPM Command menu bar.
11. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
READY
The UPM rectifier and inverter turn on.
12. To transfer the UPM to Online mode, press the
CONTROLS pushbutton on the UPS
Control Command menu bar. The UPM Control Command screen is displayed.
13. On the UPM Control Command screen, select UPM GO TO ONLINE.
14. Press the
SELECT pushbutton on the UPM Command menu bar.
The UPM transfers to Online mode. The UPM status indicates ONLINE.
7.3.22 UPS and Critical Load Shutdown
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 7.3.24.
The input, output, battery, and bypass backfeed contactors open, and the power
module is turned off.
W A R N I N G
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
3. If the UPS contains input breaker CB1, open the UPS input breaker CB1.
4. Open the UPS input and bypass feeder circuit breakers.
7.3.23 Charger Control
To turn the battery charger on:
1. Press the
CONTROLS pushbutton on the main menu bar. The System Status
screen is displayed.
2. On the System Status screen, select the
CHARGER command.
3. Press the CONTROLS pushbutton on the System Status menu bar. The Charger
Control Command screen is displayed.
4. On the Charger Control Command screen, select
CHARGER ON.
5. Press the SELECT pushbutton on the Charger Command menu bar.
To Next Page
Loading...
