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3.4.
Important Notice for Battery
• The batteries may only be installed and commissioned by authorized LEGRAND UPS Technical Service
Personnel.
• Make sure that the battery quantity is proper for the unit and they are same type and capacity. Otherwise danger of
explosion and fire is within the bounds of possibility.
• Do not dispose of batteries in a fire. The batteries may explode.
• Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It may be toxic.
• In case of electrolyte in contact with skin, immediately wash the contaminated skin with water.
• Replaced batteries must be disposed of at authorized battery waste disposal centres.
• A battery can present risk of electric shock and high short circuit currents.
The following precautions should be observed when working on batteries;
• Remove rings, watches, necklaces, bracelets and all metal objects.
• Only use tools with insulated handles.
• Wear rubbers gloves and a rubber apron when handling batteries.
• Do not lay tools or metal parts on top of batteries.
• Eye protection should be worn to prevent injury from accidental electrical arcs.
• Before a maintenance or repair work on the UPS;
• Switch the input, output and battery circuit breakers (Q1, Q2 and F5) to "OFF" position.
• If UPS has external batteries; also switch the circuit breakers of the battery cabinet to "OFF" position.
• 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.
• Battery fuses shall only be replaced with the same rating and type which came along with the UPS.
3.5.
Emergency interventions
The following information is of a general nature. For specific interventions please consult the laws existing in the
country where the equipment is installed.
First aid interventions
If any first aid intervention is required, comply with company rules and traditional procedures.
Fire-prevention measures
Never use water to extinguish fire but only the extinguishers designed specifically for electronic equipment or battery
fires.
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