OPM_NPE_XXX_2K0_4K0_1GB_V040 15 NetPro 2000-4000: user manual 4.0 (GB)
GE Digital Energy
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3.6.5 Battery calibration test
From a default screen, press the
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key (20) until the display shows
The default setting of the capacity normally results in a reliable runtime prediction. Local circumstances
however (e.g. low ambient temperature) may cause the prediction to be unreliable. In this case you can
have the UPS to recalculate the battery capacity. The predicted runtime shown in the display is 10% lower
than calculated in order to balance out small changes in load, ambient temperature and battery condition.
In order to keep track of the capacity deterioration due to aging of the batteries, we advise to perform a
battery calibration test at least once per year.
During a battery calibration test the batteries will be discharged to 'battery low' alarm level (see section
3.4.2.3 'battery low'). The test will result in a new capacity indication in the second setup screen (see
3.4.3) and, after complete recharge, new runtime predictions. Please note that immediately after a battery
calibration test the expected runtime time is very short: allow the UPS to recharge its batteries.
3.6.6 Deep battery test
This test, initiated by UPS monitoring software, is identical to a 'battery calibration test' (see above).
Please refer to the manual of the appropriate monitoring software package for more information.
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