UPS Operating Instructions
7-16
Power Xpert
TM
9395 550/275 UPS (225–550 kVA) Installation and Operation Manual 164201716—Rev 8
www.eaton.com/powerquality
The Online status indicator is illuminated. The UPS status indicates
ONLINE
. The UPM status indicates
ONLINE
.
7.3.7
Start Variable Module Management System High Alert Mode from the UPS Command Menu
To start High Alert mode:
1.
Press the
CONTROLS
pushbutton on the main menu bar. The System Status screen is displayed.
2.
On the System Status screen, select the
UPS
command.
3.
Press the
CONTROLS
pushbutton on the System Status menu bar. The UPS Control Command screen is
displayed.
4.
On the UPS Control Command screen, select
START HIGH ALERT
.
5.
Press the
SELECT
pushbutton on the UPS Command menu bar.
The UPS starts High Alert mode with the UPMs online supplying the critical load. After one hour the UPS
transfers to Variable Module Management System mode.
The Online status indicator is illuminated. The UPS status indicates
HIGH ALERT
. The UPM status
indicates
ONLINE
. The power module is on.
7.3.8
Starting the UPS in Bypass Mode
If the inverter output of the UPS is not available and the critical load needs to be energized:
CAUTION
In Bypass mode, the critical load is not protected from commercial power interruptions and
abnormalities.
1.
Unfasten the front door latch and swing the door open (see Figure 4-2).
2.
If the UPS contains input breaker CB1, verify that input breaker CB1 is open.
3.
Close the UPS input feeder circuit breaker.
4.
Close the UPS Bypass input feeder circuit breaker.
5.
If the UPS contains input breaker CB1, close input breaker CB1.
6.
Close the door and secure the latch.
7.
Observe the UPS control panel becoming active, indicating logic power.
8.
Press the
CONTROLS
pushbutton on the main menu bar. The System Status screen is displayed.
9.
On the System Status screen, verify the UPS status is
SHUTDOWN
and the UPM status is
OFFLINE
.
10. On the System Status screen, select the
BYPASS
command.
11. Press the
CONTROLS
pushbutton on the System Status menu bar. The Bypass Control Command screen
is displayed.
12. On the Bypass Control Command screen, select
GO TO BYPASS
.
13. Press the
SELECT
pushbutton on the Bypass Command menu bar.
The critical load is immediately supplied by the bypass source, in Bypass mode.
NOTE
The High Alert mode commands are displayed only if enabled at the factory or by an
Eaton Customer Service Engineer.
NOTE
The Variable Module Management System and Energy Saver System modes are
mutually exclusive. If the Energy Saver System mode is enabled, the Variable
Module Management System mode commands will not be displayed.
Summary of Contents for Power Xpert 9395 550/275
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