Delta doc center – Delta Electronics 700VA User Manual
Page 23
DELTA DOC CENTER
22
5. MAINTENANCE
zNormally, the life of battery is 3 years. But extreme operating condition and
environment may shorten its life-span.
zTo replace batteries, contact qualified personnel.
zWhen UPS has been unused for a period of time, the batteries will discharge
slightly. It is recommended to charge the UPS once every 3 months.
zUse a vacuum cleaner to get rid of any dust that may rest on the opening of
the fan.
zUnplug the UPS when it is not used for a long time.
zWhen cleaning the plastic case or front panel, only use a soft, dry cloth. If
the case or front panel is very dirty, use a neutral, non-abrasive detergent. Do
not use alcohol or ammonia based solutions.
zWhen moving your UPS, always handle it with care.
zAvoid spilling liquid on the UPS.
zThe equipment should be repaired and installed by individuals with previous
training.
When installing this equipment, it should be noted that the leakage current of the UPS and
its loads must not exceed 3.5mA in total for safety.
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