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4 Maintenance
Please follow 2.2.1 to install the UPS
4.1 Fan maintenance
Continual working time of the fan is 20000 to 40000 hours. It will be shorten as
temperature raises. Please check the fan periodically, make sure there is wind
blown out front it.
4.2 Battery maintenance
There are sealed lead acid maintenance free batteries inside the UPS if it is
standard model. Battery life depends on environment temperature and
discharge/charge cycles, it will be shorter if temperature raises or deep discharged.
Periodical maintenance is required so as to keep battery in good conditions.
1) The most proper working temperature is 15 to 25 Celsius degree.
2) Avoid small discharging current. Don’t let UPS work in battery mode
continuously for 24 hours.
3) Charge battery for at least 12 hours every 3 months if it is free of operation. If
the environment temperature is high, charge it once every 2 months.
4) For extended backup models, check and clean the battery connectors
periodically.
。
If backup time has become much less than before, or there is battery fault displayed
on the LCD, please contact distributors to confirm whether the batteries need to be
replaced or not.
CAUTION
1) Don't short circuit battery, or it may cause a fire.
1) Don’t open battery, released electrolyte is harmful to skin and
eyes
4.3 Visual checking
Keep the ventilation of the UPS in good condition
