15
4 Operation (LED model)
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It recommended that the capacity of the AC generator chosen should double
that of the UPS.
4.2.2 Battery mode
In battery mode the display on the front panel is shown in the following
diagram. The battery indicator and the inverter indicator are turned on. If the
utility power indicator blinks at the same time, it shows that the utility power is
abnormal. The load/battery capacity indicators will be turned on in accordance
with the battery capacity. Please note that the load/battery capacity indicator in
normal mode will indicate the battery capacity in battery mode.
1. When the UPS is running in battery mode, the alarm will beep every 4
seconds. If the “Function” key is pressed for more than 2 seconds, the alarm
will not beep (silence function). Press the “Function” key more than 2
seconds again to resume the alarm function.
Figure 4-3 Battery Mode
2. When the battery capacity decreases, the number of load/battery capacity
indicators turned on will decrease. If the battery voltage drops to the
pre-alarm level, the alarm will beep every second to remind the user of
insufficient battery capacity.