• Batteries can present a risk of electrical shock or burn from high short circuit current. Observe thefollowing precautions:1. Remove watches, rings, or other metal objects,2. Use tools with insulated handles,3. Do not lay tools or metal parts on top of battery packs,4. Wear rubber gloves and boots.• When replacing battery packs, replace with the same type and number. Contact your servicerepresentative to order new battery packs.• Proper disposal of battery packs is required. Refer to your local codes for disposal requirements.• Never dispose of batteries in a fire. Batteries might explode when exposed to flame.• Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes and can beextremely toxic.• Determine if the battery pack is inadvertently grounded. If inadvertently grounded, remove source fromground. Contact with any part of a grounded battery can result in electrical shock. The likelihood of suchshock can be reduced if such grounds are removed during installation and maintenance (applicable toequipment and remote battery supplies not having a grounded supply circuit).• ELECTRIC ENERGY HAZARD. Do not attempt to alter any battery wiring or connectors. Attempting toalter wiring can cause injury.Replacing the internal battery packCAUTION:The weight of this part or unit is more than 55 kg (121.2 lb). It takes specially trained persons, a liftingdevice, or both to safely lift this part or unit. (C011)50 6U Rack or Tower UPS RT8.0kVA and RT11.0VA and Maintenance Bypass Installation and User's Guide
