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TOSHIBA
IMPORTANT SAFETY INSTRUCTIONS
Installation and servicing of batteries should be performed by personnel
knowledgeable of batteries and the required precautions. Keep
unauthorized personnel away from the batteries.
Proper maintenance to the battery system of this unit must be done by a
qualified service technician, this is essential to the safety and reliability of
your UPS system. Refer to service manual.
A battery can present a risk of electrical shock and high short
circuit current.
The following precautions should be observed
when working with batteries:
1) Verify that the UPS is off and that the power cord is disconnected from the power source.
2) Remove watches, rings or other metal objects.
3) Use tools with insulated handles to prevent inadvertent shorts.
4) Wear rubber gloves and boots.
5) Do not lay tools or metal parts on top of batteries.
6) Determine if the battery is inadvertently grounded. If inadvertently grounded, remove
source of ground.
Contact with any part of a grounded battery can result in
electrical shock.
The likelihood of such shock will be reduced if such grounds are
removed during installation and maintenance.
7) Verify circuit polarities prior to making connections.
8) Disconnect charging source and load prior to connecting or disconnecting terminals.
9) VRLA batteries contain an explosive mixture of hydrogen gas. Do not smoke, cause a flame
or spark in the immediate area of the batteries. This includes static electricity from the body.
10) Do not attempt to open the batteries in order to add water or sample the specific gravity of the
electrolyte. The batteries are valve regulated lead acid type and such servicing is not
possible without damaging the battery.
11) Use proper lifting means when moving batteries and wear all appropriate safety clothing and
equipment.
12) Do not dispose of lead acid batteries except through channels in accordance with local, state
and federal regulations.
DANGER
WARNING
vii
WARNING