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7.4 Replacing batteries
DO NOT DISCONNECT the batteries while the UPS is in Battery mode.
Consider all warnings, cautions, and notes before replacing batteries.
Servicing should be performed by qualified service personnel with
knowledgeable of batteries and required precautions. Keep unauthorized
personnel away from batteries.
Batteries can present a risk of electrical shock or burn from high short circuit
current. Observe the following 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 batteries,
4. Wear rubber gloves and boots.
When replacing batteries, replace with the same type and number of
batteries or battery packs. Contact your service representative to order new
batteries.
Proper disposal of batteries is required. Refer to your local codes for disposal
requirements.
Never dispose of batteries in a fire. Batteries may explode when exposed to
flame.
Do not open or mutilate the battery or batteries. Released electrolyte is
harmful to the skin and eyes and may be extremely toxic.
Take care if the battery is inadvertently grounded. If grounded, remove
source from ground. Contact with any part of a grounded battery may cause
electrical shock.
The likelihood of such shock can be reduced if such grounds are removed
during installation and maintenance (applicable to equipment and remote
battery supplies not having a grounded supply circuit).
ELECTRIC ENERGY HAZARD. Do not attempt to alter any battery wiring or
connectors. It may cause injury.
Please disconnect battery charging source before battery replacing or
maintenance.
Replacing the EBM(s)
The EBM is heavy. Lifting the cabinet into a rack requires two people at
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