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Powerware 650825 kVA User Manual

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UPS OPERATING INSTRUCTIONS
EATON Powerware
®
 9395 UPS (650–825 kVA) Installation and Operation Manual  
S
  164201725 Rev 2 www.powerware.com
7−25
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.
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.