Using The Ups Load Off Pushbutton Or Command - Eaton Power Xpert 9395 550/275 Installation And Operation Manual

7.3.24
t
Power Xpert 9395 550/275 UPS (225–550 kVA) Installation and Operation Manual
3. Press the pushbutton on the System Status menu bar. The Charger
CONTROLS
Control Command screen is displayed.
4. On the Charger Control Command screen, select
5. Press the pushbutton on the Charger Command menu bar.
SELECT

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 pushbutton:
LOAD OFF
1. Press the pushbutton.
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 command:
LOAD OFF
1. Press the pushbutton on the main menu bar. The System Status
CONTROLS
screen is displayed.
2. On the System Status screen, select either the
3. Press the pushbutton on the System Status menu bar. The UPS or
CONTROLS
Bypass Control Command screen is displayed.
4. On the Control Command screen, select
5. Press the pushbutton on the Command menu bar.
SELECT
UPS OPERATING INSTRUCTIONS
CHARGER OFF
pushbutton from the main menu bar, the
LOAD OFF
LOAD OFF
C A U T I O N
from the Load Off menu bar, and hold for
LOAD OFF
.
CANCEL
C A U T I O N
pushbutton, follow the procedure
LOAD OFF
W A R N I N G
or the
UPS
.
LOAD OFF
S
164201716 Rev 3 www.eaton.com/powerquality
.
controls the UPS output
command.
BYPASS
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