Using The Ups Load Off Pushbutton Or Command - Eaton Power Xpert 9395 Installation And Operation Manual

UPS OPERATING INSTRUCTIONS
7-26
EATON Power Xpert
To turn the battery charger off:
1. Press the
CONTROLS
screen is displayed.
2. On the System Status screen, select the
3. Press the
CONTROLS
Control Command screen is displayed.
4. On the Charger Control Command screen, select
5. Press the
SELECT
7.3.24

Using the UPS LOAD OFF Pushbutton or Command

A UPS Load Off is initiated by the
Load Off command on the UPS Control Command screen, or the Load Off command
on the Bypass Control Command screen. The UPS
by powering down the UPS and de‐energizing the critical load.
The UPS (including Bypass) remains off until restarted.
To use the
LOAD OFF
1. Press the
LOAD OFF
The Load Off screen is displayed, providing a choice to proceed or abort the
shutdown.
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
three seconds. To 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.
Do not attempt to restart the system after Load Off until the cause of the shutdown has been identified and
cleared.
3. To restart the UPS after pressing the
in paragraph 7.3.1 on page 7-12 or 7.3.8 on page 7-16.
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
To use the
LOAD OFF
1. Press the
CONTROLS
screen is displayed.
2. On the System Status screen, select either the
t
9395 UPS (1000–1100 kVA) Installation and Operation Manual
pushbutton on the main menu bar. The System Status
CHARGER
pushbutton on the System Status menu bar. The Charger
pushbutton on the Charger Command menu bar.
pushbutton from the main menu bar, the
LOAD OFF
pushbutton:
pushbutton.
C A U T I O N
from the Load Off menu bar, and hold for
LOAD OFF
C A U T I O N
LOAD OFF
W A R N I N G
command:
pushbutton on the main menu bar. The System Status
S
164201764 Rev 3 www.eaton.com/powerquality
command.
.
CHARGER OFF
controls the UPS output
LOAD OFF
.
CANCEL
pushbutton, follow the procedure
or the command.
UPS BYPASS