UPS OPERATING INSTRUCTIONS
Power Xpert
9395 UPS (450–550 kVA) Installation and Operation Manual
164201701 Rev 3
www.eaton.com/powerquality
7-22
4.
Press the
CONTROLS
pushbutton on the UPS Control Command menu bar. The
UPM Control Command screen is displayed.
5.
On the UPM Control Command screen, select
UPM ON
.
6.
Press the
SELECT
pushbutton on the UPM Command menu bar.
7.
Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
READY
The UPM rectifier and inverter turn on.
8.
To transfer the UPM to Online mode, press the
CONTROLS
pushbutton on the
UPS Control Command menu bar. The UPM Control Command screen is
displayed.
9.
On the UPM Control Command screen, select
UPM GO TO ONLINE
.
10.
Press the
SELECT
pushbutton on the UPM Command menu bar.
The UPM transfers to Online mode. The UPM status indicates
ONLINE
.
7.3.20
UPS and Critical Load Shutdown
To perform maintenance or service on the critical load, shut down power to the load:
1.
Turn off all equipment that is being powered by the UPS.
2.
Perform the LOAD OFF procedure in paragraph 7.3.22.
The input, output, battery, and bypass backfeed contactors open, and the power
module is turned off.
W
A
R
N
I
N
G
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
3.
If the UPS contains input breaker CB1, open the UPS input breaker CB1.
4.
Open the UPS input and bypass feeder circuit breakers.
7.3.21
Charger Control
To turn the battery charger on:
1.
Press the
CONTROLS
pushbutton on the main menu bar. The System Status
screen is displayed.
2.
On the System Status screen, select the
CHARGER
command.
3.
Press the
CONTROLS
pushbutton on the System Status menu bar. The Charger
Control Command screen is displayed.
4.
On the Charger Control Command screen, select
CHARGER ON
.
5.
Press the
SELECT
pushbutton on the Charger Command menu bar.
