User manual

86-86000-00 B02 - Page 53
3. Operation
3.5 Operation on Battery Power
Figure 3-6: Transfer, Threshold and End of back-up time.
OFF ON
OFF ON
15 16
REMAINING TIME
10 minutes
OFFON
REMAINING TIME
2 minutes
15 16
15 16
3.5.1 Transfer to Battery Power
The load continues to be protected by the UPS
when the Normal AC source is not available. Power
is supplied by the battery.
There are three possible cases:
First Case: Operation on battery
15
LED is ON.
16
LED is ON.
The audio alarm beeps every 10 seconds.
This indicate the load is supplied by the z
battery.
The LCD display indicates the battery z
remaining back-up time.
Second Case: Low battery warning
15
LED is ON.
16
LED flashes.
The audio alarm beeps every 3 seconds.
Low battery warning on LCD display. There z
is very little remaining battery back-up
time. Close all applications because UPS
automatic shutdown is pending.
Third Case: End of back-up time
15
LED is OFF.
16
LED is OFF.
The audio alarm is stopped.