UPS OPERATING INSTRUCTIONS
EATON
Powerware
®
9395 UPS (1000–1100 kVA) Installation and Operation Manual
S
164201764 Rev 1
www.powerware.com
7−25
5.
On the UPM Control Command screen, select
UPM OFF
.
6.
Press the
SELECT
pushbutton on the UPM Command menu bar.
The UPM status indicates
SHUTDOWN
.
The input, output, and battery contactors
open, and the power module is turned off. The remaining UPMs supply the
critical load.
7.4.8
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 distributed bypass system.
2.
Perform the LOAD OFF procedure in paragraph 7.4.10.
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 sections until the upstream input feeder circuit breaker is opened.
3.
If the UPSs contain input breakers (CB1), open all UPS input breakers.
4.
Open all of the UPSs input and bypass feeder circuit breakers.
7.4.9
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.
To turn the battery charger off:
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 OFF
.
5.
Press the
SELECT
pushbutton on the Charger Command menu bar.
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