Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201725—Rev 15
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12. On the System Status screen, select the
UPS
command.
13. Press the
CONTROLS
pushbutton on the System Status menu bar. The UPS Control Command screen is
displayed.
14. On the UPS Control Command screen, select
GO TO ONLINE
.
15. Press the
SELECT
pushbutton on the UPS Command menu bar.
NOTE
If the UPS is starting on a bus with other online paralleled UPSs, the UPS will not go to
bypass during startup. The UPS will start, sync to the other UPSs online, and go online.
16. Verify the following messages display sequentially on the UPS status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
ONLINE, CHARGER ON
The rectifier and inverter turn on. The inverter continues to ramp to full voltage.
Once the inverter reaches full voltage, the UPS output contactor (K3) closes. Power is now supplied to the
critical load in Online mode along with the other UPSs online. It takes approximately one minute for the
UPS to achieve Online mode.
The Online status indicator is illuminated. The UPS status indicates
ONLINE
. The UPM status indicates
ONLINE, CHARGER ON
.
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UP
PS
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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 distributed bypass system.
2.
Transfer the UPSs to bypass by performing the procedure in paragraph
Transfer from Online to Bypass Mode
.
3.
Perform the LOAD OFF procedure in paragraph .
Using the UPS LOAD OFF Pushbutton or Command
. on the UPS being shut down.
The input, output, battery, and bypass backfeed contactors open, and the power module is turned off.
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
4.
If the UPSs contain input breakers (CB1), open all UPS input breakers.
5.
Open the input and bypass feeder circuit breakers on all UPSs.
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To turn on the battery charger:
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
.
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