UPS OPERATING INSTRUCTIONS
Eaton 9395 Plus 1 UPS (225–275 kVA) Installation and Operation Manual
S
164201710 Rev 2
www.eaton.com\powerquality
7-16
7.3.7
Start Variable Module Management System High Alert Mode from
the UPS Command Menu
To start High Alert 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.
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:
C
A
U
T
I
O
N
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 on
page 4-4).
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
.
