UPS MAINTENANCE
Eaton 9140 UPS (7.5–10 kVA) User's Guide
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164201622 Rev 3
www.eaton.com/powerquality
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When to Replace Batteries
When the
indicator flashes slowly and the audible alarm beeps
intermittently, the batteries may need replacing. Contact your service
representative to order new batteries.
Replacing Batteries
NOTE
DO NOT DISCONNECT the batteries while the UPS is in Battery mode.
Batteries can be replaced easily without turning the UPS off or
disconnecting the load.
If you prefer to remove input power to change the batteries, see “UPS
Shutdown from Normal or Bypass Mode” on page 71.
Consider all warnings, cautions, and notes before replacing batteries.
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Servicing should be performed by qualified service personnel knowledgeable of batteries
and required precautions. Keep unauthorized personnel away from batteries.
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Batteries can present a risk of electrical shock or burn from high short circuit current. The
following precautions should be observed: 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) Disconnect charging source prior to connecting or disconnecting battery
terminals; 5) Wear rubber gloves and boots.
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When replacing batteries, replace with the same type and number of batteries or battery
packs. Contact your service representative to order new batteries.
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Proper disposal of batteries is required. Refer to your local codes for disposal
requirements.
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Never dispose of batteries in a fire. Batteries may explode when exposed to flame.
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Do not open or mutilate the battery or batteries. Released electrolyte is harmful to the
skin and eyes and may be extremely toxic.
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Determine if the battery is inadvertently grounded. If inadvertently grounded, remove
source from ground. Contact with any part of a grounded battery can result in 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).
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ELECTRIC ENERGY HAZARD. Do not attempt to alter any battery wiring or connectors.
Attempting to alter wiring can cause injury.
