UDD-SD-110/ Release Date: 19.12.2014/Rev No: 1/Rev. Date: 30.07.2015
8 Maintenance
8.1 General
The UPS is virtually maintenance free: take care of proper environmental conditions and keep air
inlets-outlets free of dust.
8.2 Fuses
If the AC input fuse is defect, be sure it is replaced by a compatible fuse from the same make and type.
Never short circuit batteries. When working with batteries, remove watches, rings and other metal
objects, and only use insulated tools.
8.3 Batteries
This series UPS only requires minimal maintenance. The battery used for standard models are value
regulated sealed lead-acid maintenance free battery. These models require minimal repairs. The only
requirement is to charge the UPS regularly in order to maximize the expected life of the battery. When
being connected to the mains power, whether the UPS is turned on or not, the UPS keeps charging the
batteries and also offers the protective function of overcharging and over-discharging.
Read all safety rules before replacing the battery.
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