184
Eaton
®
Power Xpert
®
9395P-600 (300V-600V) Installation and Operation Manual 164000710—Rev 07
77..55..66
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NOTE
To shut down a single UPS, MOBs with dual auxiliary contacts must be installed and
connected.
To shut down a single UPS:
1.
Open the MOB for the UPS being shut down.
2.
On the UPS to 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 transfers to Bypass mode.
The
BYPASS
status indicator is illuminated. The Bypass status indicates
ON
. The UPM status indicates
READY
. The power module remains on.
NOTE
Load Off will turn off only the UPS being shut down. The remaining UPSs will remain
online supplying power to the critical load.
7.
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 is turned off on
the UPS being shut down.
Logic power remains on.
8.
Verify the battery breaker or disconnect for the UPS being shut down is open. If not, open the breaker.
NOTE
If the UPS contains an input breaker (CB1), DO NOT open the breaker unless no input
feeder breaker is installed.
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.
77..55..77
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NOTE
To shut down a single UPS, MOBs with dual auxiliary contacts must be installed and
connected.
To shut down a single UPS:
Confirm that the remaining UPSs can support the additional critical load current provided by this UPS before
opening the MOB. This prevents the remaining UPSs from going into overload when the MOB is opened.
Summary of Contents for Power Xpert 9395P-600/600
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