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3Phase HF UPS 10-120kva USER Manual
Section III: Installation of Battery
3.1 Introduction
UPS assembled battery is configured by several piles of batteries connected in series to
provide the rated DC input voltage for UPS inverter. The required battery backup time
(duration of load power supply when the utility is interrupted) is restricted by the ampere
hours of battery. So for longer back up time, it requires to connect several packs
batteries(same rated DC voltage) in parallel.
The provided battery cupboard has the following forms:
1． Complete set containing battery case, battery and protection components;
2． Containing battery case and protection components－no battery;
3． Only contains battery case－no battery and switch
It may need to disconnect the battery and UPS when maintain or repair the equipment.
The switch of the battery can be disconnected or shut off manually. The switch off
control can be realized through the under-voltage coil of battery switch or release??.
3.2 Safety
The operation of the battery of PW UPS system shall be particularly careful, because the
voltage of the battery is deadly dangerous when connect all the single batteries. With
regards to safety, the external battery shall be installed in the cabinet with lock or special
designed battery chamber to separate from the personnel (except for the qualified
engineer)
Note: The note related to the use and maintenance of battery is instructed in the battery
manual provided by the manufacturer. The note relevant to battery safety mainly includes
the necessary events in the installation and designing process; it may be adjusted
according to the local situation.
Warning:
The user cannot operate the parts that needed the tools to open behind the protection lap,
only the qualified personnel is permitted to open this type of protection lap. Besides,
please disconnect the internal battery before operating the isolation terminals used for
connecting external battery.
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