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8. MAINTENANCE
Maintenance includes fully control of all the electronic and mechanical components in UPS. And
they needed to be replaced after their lifetime is over. Systematic maintenance ensures to improve
UPS’s efficiency and to extend life-time. INFORM recommends every 3 to 6 months of period for
systematic maintenance after warranty by authorized service.
8.1. Batteries
The life of batteries strongly depends on the usage and environmental conditions. (ambient
temperature, frequency of electricity cuts, etc.). There are also other factors like the number of
charge-discharge cycles and discharge depth. Not to come acrross any unrequired condition during
electricity cut, the batteries should be maintained periodically by authorized Technical Personnel.
8.2. Fans
The life of fans used to cool the power circuits depends on the usage and environmental conditions.
Please look at Appendix-2 Technical Specifications for detailed environment conditions.
Preventive maintenance shall be done by authorized Technical Personnel periodically.
8.3. Capacitors
The life of the electrolytic capacitors on the DC BUS and the capacitors used for output and input
filtering purposes depends on the usage and environmental conditions.
Preventive maintenance should be done by authorized Technical Personnel periodically.
All the maintenance operations should be done by authorized technical service personnel.
Do not open or multilate batteries. Released electrolyte is harmful to the skin and eyes. It
may be toxic.
When replacing batteries; use the same quantity and type that were originally fitted.
Batteries must always be disposed of according to local environmental laws.
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