Table of Contents
Advertisement
To use the
pushbutton:
LOAD OFF
1.
Press the
LOAD OFF
The Load Off screen is displayed, providing a choice to proceed or abort the shutdown.
CAUTION
All power to the critical load is lost when the LOAD OFF is selected in the following step. You should use this feature
only when you want to de‐energize the critical load.
2.
To shut down the UPS, press
abort the shutdown, press
When LOAD OFF is selected and held for three seconds, the input, output, battery, and bypass
backfeed contactors open, and the power module is turned off on the UPS.
3.
If another UPS is to be shut down, proceed to that UPS and repeat Steps 1 and 2.
CAUTION
Do not attempt to restart the system after Load Off until the cause of the shutdown has been identified and cleared.
4.
Restart the UPS after pressing the
7.6.1 or 7.6.8.
WARNING
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
To use the
command:
LOAD OFF
1.
Press the
CONTROLS
Status screen is displayed.
2.
On the System Status screen, select either the
3.
Press the
CONTROLS
Command screen is displayed.
4.
On the Control Command screen, select
5.
Press the
pushbutton on the Command menu bar.
SELECT
The Load Off screen is displayed, providing a choice to proceed or abort the shutdown.
CAUTION
All power to the critical load is lost when LOAD OFF is selected in the following step. You should use this feature only
when you want to de‐energize the critical load.
6.
To shut down the UPS, press
abort the shutdown, press
When LOAD OFF is selected and held for three seconds, the input, output, battery, and bypass
backfeed contactors open, and the power module is turned off on the UPS.
7.
If another UPS is to be shut down, proceed to that UPS and repeat Steps 1 through 6.
pushbutton on the UPS to shut down.
from the Load Off menu bar, and hold for three seconds. To
LOAD OFF
.
CANCEL
LOAD OFF
pushbutton on the main menu bar of the UPS to be shut down. The System
pushbutton on the System Status menu bar. The UPS or Bypass Control
LOAD OFF
from the Load Off menu bar, and hold for three seconds. To
LOAD OFF
.
CANCEL
9395P 250 kVA / 275 kVA / 300 kVA
User's and Installation Guide
pushbutton by following the procedure in paragraph
or the
command.
UPS
BYPASS
.
144
Advertisement
Table of Contents
