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186
Eaton
®
Power Xpert
®
9395P-600 (300V-600V) Installation and Operation Manual 164000710—Rev 07
3.
Unfasten the front door latch and swing the door open on the UPS being restarted (see Figure 4–2).
4.
If input breaker (CB1) is installed on the UPS being restarted and is open, close the breaker.
5.
Close the door and secure the latch.
6.
On the UPS being restarted, observe the UPS control panel display becoming active, indicating logic
power.
7.
On the UPS being restarted, press the
CONTROLS
pushbutton on the main menu bar. The System Status
screen is displayed.
8.
On the System Status screen, verify the UPS status is
SHUTDOWN
and the UPM status is
SHUTDOWN
.
9.
Close the battery breaker for the UPS being restarted.
10. Verify no alarms are active on UPS being restarted.
11. Verify the External Communications Failure alarm has cleared and no other alarms are active on the online
UPSs.
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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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.
Perform the LOAD OFF procedure in paragraph
Using the UPS LOAD OFF Pushbutton
or paragraph
Using the UPS LOAD OFF Command
on the UPS being shut down. The input, output, battery, and
bypass backfeed contactors open, and the power module turns off. Logic power remains on.
The input, output, battery, and bypass backfeed contactors open, and the power module is turned off.
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