UPS OPERATING INSTRUCTIONS
Eaton
Power Xpert 9395P-600 (380V-600V) UPS Installation and Operation Manual
S
P-164000710 Rev 1
www.eaton.com/powerquality
7-33
9.
Press the
SELECT
pushbutton on the UPM Command menu bar.
The UPM transfers to Online mode. The UPM status indicates
ONLINE
.
7.5.6
Single UPS Shutdown using Load Off
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 7.5.11 or paragraph 7.5.12 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.
7.5.7
Single UPS Shutdown using UPM Shutdown
NOTE
To shut down a single UPS, MOBs with dual auxiliary contacts must be installed and connected.
To shut down a single UPS:
