14 / EN
12. If you installed an optional EPO, test the EPO function: Activate the external EPO switch. Verify the status change
on the UPS display. Deactivate the external EPO switch and restart the UPS.
NOTE
: The internal batteries charge to 80% capacity in less than 5 hours. However, we recommend that
the batteries should be charged for 48 hours after installation or long-term storage. If optional EBPs are
installed, see the recharge times listed in Table 21.
4 Operation
This chapter contains information on how to use the UPS, including front cover operation, operating modes, UPS
startup and shutdown, transferring the UPS between modes, and confi guring bypass settings, load segments, and
battery settings.
CONTROL COVER FUNCTIONS
The UPS has a three-button segmental LCD with backlight. It provides useful information about the UPS itself, load
status, measurements, and settings (see FIG. 18).
Indicator
Description
Red - ON
The UPS has an active alarm or fault.
Yellow - ON
The UPS is in Bypass mode. The UPS is opera-
ting normally on bypass during High Effi ciency
operation.
Yellow - ON
The UPS is in Battery mode.
Green - ON
The UPS is operating normally.
NOTE
When power on or startup , these indicators will turn on and off sequentially.
NOTE
On different operation modes , these indicators will indicate differently. Refer to Table 7.
FIG 18
Table 2: Button function
Button
Function description
Start up combination
RT Press and hold this key for more than half a second to turn on
the UPS or to turn off the UPS.
Shutdown/Rotating combination
RT Press and hold this key for more than 2 seconds to circumrota-
te the LCD.
Battery test/Mute combination
Press and hold the key for more than 1 second in Line mode or
economic (ECO) mode: UPS runs self-test function.
Press and hold the key for more than 1 second in battery mode:
UPS runs mute function.
Scroll
Non-function setting mode:
Press and hold the key for more than half a second (less than 2
seconds): Indicate the items of the LCD item section orderly.
Press and hold this key for more than 2 seconds: Circularly and
orderly display the items every 2 seconds, when press and hold the
key for some time again, it will turn to output status.
Function setting mode:
Press and hold the key for more than half a second (less than 2
seconds): Select the set option.
Setting entry
Non-function setting mode:
Press and hold the key for more than 2 seconds: Function setting
interface.
Function setting mode:
Press and hold the key for more than half a second (less than 2
seconds): Affi rm the set option.
Press and hold the key for more than 2 seconds, exit from this
function setting interface.
NOTE
: The internal batteries charge to 80% capacity in less than 5 hours. However, we recommend that
the batteries should be charged for 48 hours after installation or long-term storage. If optional EBPs are
installed, see the recharge times listed in Table 21.