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9. 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.
9.1. 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. Performing battery test can provide you information about battery condition. But not
to come acrross any unrequired condition during electricity cut, the batteries should be maintained
periodically by authorized Technical Personnel.
9.2. Battery Fuses
Switch the
battery circuit breaker to “I”
position before seeing “
Online Mode
” message on the LCD may
cause battery fuses to blow out.
All the maintenance operations should be done by authorized Technical Service Personnel.
Hazardous voltage and high temperature metal parts inside even if the UPS is disconnected.
Contact may cause electric shock and burns. All operations except replacing battery fuses
shall be carried out by the authorized Technical Personnel only.
Some parts inside the UPS (terminals, EMC filters and measurement circuits) are still
energized during maintenance bypass operation. In order to deenergize all UPS parts, circuit
breakers on mains and bypass mains distribution panels feeding the UPS and circuit breakers
on external battery cabinet shall be brought to “OFF/0” position. Internal batteries shall also
be isolated from the system.
Danger of explosion and fire if the batteries of the wrong type are used.
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.
