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UPS Operating Instructions
Power Xpert
TM
9395 UPS (450–825 kVA) Installation and Operation Manual 164201725—Rev 10
www.eaton.com/powerquality
7-39
9.
Open the input and bypass feeder circuit breakers for the UPS being shut down.
The UPS is now completely shut down.
External Communications Failure alarm is active on remaining online UPSs. This is an expected event and
will clear upon UPS restart.
7.4.23 Single UPS Shutdown using UPM Shutdown
To shut down a single UPS:
1.
Open the MOB for the UPS being shut down.
2.
On the UPS being shut down, press the
CONTROLS
pushbutton on the main menu bar. The System
Status screen is displayed.
3.
On the System Status screen, select the
BYPASS
command.
4.
Press the
CONTROLS
pushbutton on the System Status menu bar. The Bypass Control Command screen
is displayed.
5.
On the Bypass Control Command screen, select
GO TO BYPASS
.
6.
Press the
SELECT
pushbutton on the Bypass Command menu bar.
The UPS being shut down transfer to Bypass mode.
The
BYPASS
status indicator is illuminated. The Bypass status indicates
ON
. The UPM status indicates
READY
. The power module remains on.
7.
If UPM 4 (FI-UPM) is installed, proceed to Step 8; otherwise, proceed to Step 12.
8.
On the System Status screen, select the
UPM
command. The UPS Control Command screen is displayed.
9.
On the UPS Control Command screen, select the
UPM 1
command.
10. Press the
CONTROLS
pushbutton on the UPS Control Command menu bar. The UPM 1 Control
Command screen is displayed.
11. Proceed to Step 14.
12. On the System Status screen, select the
UPM
command.
13. Press the
CONTROLS
pushbutton on the System Status Command menu bar. The UPM 1 Control
Command screen is displayed.
14. On the UPM 1 Control Command screen, select
UPM OFF
.
15. Press the
SELECT
pushbutton on the UPM 1 Command menu bar.
The UPM status indicates
SHUTDOWN
.
The input, output, and battery contactors open, and the power
module is turned off.
Logic power remains on.
16. If UPM 4 (FI-UPM) is installed, repeat Steps 9 through 15 selecting
UPM 4
to shut down UPM 4.
17. Verify the battery breaker or disconnect for the UPS being shut down is open. If not, open the breaker.
WARNING
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
NOTE
To shut down a single UPS, MOBs with dual auxiliary contacts must be installed and
connected according to the procedure in paragraph 5.2.
NOTE
If the UPS contains an input breaker (CB1), DO NOT open the breaker unless no
input feeder breaker is installed.
Summary of Contents for Power Xpert 9395 UPS
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