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4.
On the Charger Control Command screen, select
5.
Press the
To turn the battery charger off:
1.
Press the
screen is displayed.
2.
On the System Status screen, select the
3.
Press the
Control Command screen is displayed.
4.
On the Charger Control Command screen, select
5.
Press the
7.4.27
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 Load Off command on
the Bypass Control Command screen. The UPS
by powering down the UPS and de‐energizing the critical load.
The UPSs (including Bypass) remain off until restarted.
NOTE The UPS Load Off controls each UPS independently and does not shut down the whole distributed
bypass system unless all UPSs have been transferred to bypass. To immediately shut down the whole
system, use the REPO switch (see paragraph 7.4.28).
To use the
1.
Press the
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 on the UPS.
3.
If another UPS is to be shut down, proceed to that UPS and repeat
Steps 1 and 2.
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
procedure in paragraph 7.4.1 on page 7-31 or 7.4.8 on page 7-35.
Eaton 9395 UPS (450–825 kVA) Installation and Operation Manual
pushbutton on the Charger Command menu bar.
SELECT
pushbutton on the main menu bar. The System Status
CONTROLS
pushbutton on the System Status menu bar. The Charger
CONTROLS
pushbutton on the Charger Command menu bar.
SELECT
LOAD OFF
pushbutton:
LOAD OFF
pushbutton on the UPS to shut down.
LOAD OFF
C A U T I O N
LOAD OFF
C A U T I O N
S
164201725 Rev 4 www.eaton.com/powerquality
UPS OPERATING INSTRUCTIONS
CHARGER ON
command.
CHARGER
CHARGER OFF
pushbutton from the main menu bar, the
controls the UPSs outputs
LOAD OFF
from the Load Off menu bar, and hold for
.
CANCEL
pushbutton by following the
LOAD OFF
.
.
7-49
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