Eaton
®
Power Xpert
®
9395P-900 Installation and Operation Manual 164000501—Rev 12
187
2.
Press the
Controls
button on the
Home
screen (see
). The
System Status
screen is displayed
(see
The UPS status indicates
VMMS
.
3.
On the System Status screen, select
EAA Controls
. The EAA screen is displayed (see
).
4.
On the EAA screen, select
Start High Alert Timer
. The
Start high alert timer?
confirmation screen
appears (see
).
5.
Select
Yes
on the confirmation screen.
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
Online
. The UPM status indicates
Active
. The power module is on.
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If required to close a circuit breaker inside a UPS, use appropriate personal protective equipment. Injury to
personnel may occur from electrical shock.
If the inverter output of the UPS is not available and the critical load needs to be energized:
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
).
NOTE
*Only perform steps 2 and 5 if the UPS has an input breaker CB1 (see
).
2.
*Verify that input breaker CB1 is open.
3.
Close the UPS input feeder circuit breaker.
4.
Close the UPS Bypass input feeder circuit breaker.
NOTE
If only bypass mode is required, CB1 is not required. The UPS will go to bypass with
CB1 open.
5.
*Close input breaker CB1.
6.
Close the door and secure the latch.
7.
Observe the UPS control panel becoming active, indicating logic power.
8.
Make sure you are logged in for user access (see
).
9.
Press the
Controls
button on the
Home
screen (see
). The
System Status
screen is displayed
(see
10. On the System Status screen, verify the UPS status is
Shutdown
and the UPM status is
Idle
(see
11. On the System Status screen, select the
Go to Bypass
button. Select
Yes
on the confirmation screen.
The critical load is immediately supplied by the bypass source, in Bypass mode.