UPS OPERATING INSTRUCTIONS
Eaton 9395 550/275 UPS (225–550 kVA) Installation and Operation Manual
S
164201716 Rev 2
www.eaton.com/powerquality
7-31
17.
Verify the following messages display sequentially on the UPS status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
ONLINE, CHARGER ON
The rectifier and inverter turn on. The inverter continues to ramp up to full
voltage.
Once the inverter reaches full voltage, all UPS output contactors (K3) close and
the bypass circuits open. Power is now supplied to the critical load in Online
mode from all UPSs. It takes approximately one minute for the UPSs to achieve
Online mode.
The Online status indicator is illuminated. The UPS status indicates
ONLINE
. The
UPM status indicates
ONLINE, CHARGER ON
.
7.4.2
Enable Energy Saver System Mode from the UPS Command Menu
To enable Energy Saver System mode:
NOTE
The Energy Saver System mode commands are displayed only if enabled at the factory or by an
Eaton Customer Service Engineer.
NOTE
The Variable Module Management System and Energy Saver System modes are mutually exclusive.
If the Variable Module Management System mode is enabled, the Energy Saver System mode commands will
not be displayed.
1.
Press the
CONTROLS
pushbutton on the main menu bar. The System Status
screen is displayed.
2.
On the System Status screen, select the
UPS
command.
3.
Press the
CONTROLS
pushbutton on the System Status menu bar. The UPS
Control Command screen is displayed.
4.
On the UPS Control Command screen, select
ENABLE ENERGY SAVER
.
5.
Press the
SELECT
pushbutton on the UPS Command menu bar.
The UPS transfers to Energy Saver System mode.
The Online status indicator is illuminated. The UPS status indicates
ONLINE
WITH ESS
. The UPM status indicates
ONLINE
. If the battery is not charging, the
power module is off.