Liebert 30-130kVA - Manual (Page 65)

Operation
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Figure 82 Manual transfer / retransfer screen when transfer is not allowed
In the figure above, the message “TRANSFER NOT ALLOWED” will be flashing.
3.3.7 Battery Management
The Battery Management screens display information on battery self tests, battery equalization, bat-
tery temperature, and battery cycle monitoring. This information enables the operator to immediately
see the effects of load shedding on time remaining and to accurately assess remaining power
resources. The Battery Management screen is accessed from the Main Menu.
Figure 83 Battery management screen
Battery Test
The Battery Test screen allows the Operator to select between Auto Test and Manual Test.
Figure 84 Battery test screen
The auto battery self test can be enabled / disabled from the Battery Test Screen. It is performed
unattended by programming Time, Date, Test Cycle and Test Duration in Battery Self Test Screen.
Selecting MANUAL TEST from the Battery Test screen will perform an Operator-initiated test.
MANUAL TRANSFER / RETRANSFER
BYPASS NOT OK
INVERTER OK
INTERNAL BYPASS SWITCH NORMAL
EXT. MAINT. SWITCH ON-LINE
TRANSFER NOT ALLOWED
OK EXIT
INVERTER IN SYNC
BATTERY TEST
BATTERY EQUALIZER
BATTERY TEMP COMPENSATION CHARGE
BATTERY CYCLE MONITOR
BATTERY TIME REMAINING
BATTERY MANAGEMENT
SAVE & EXIT CANCEL
BATTERY TEST
EXIT
MANUAL TEST
LAST BATTERY TEST: BATTERY TEST PASSED