UPS MAINTENANCE
EATON
BladeUPS
®
(12 kVA) User's Guide
S
164201649 Rev 4
www.eaton.com/powerquality
90
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 “Individual Paralleled
UPS Shutdown” on page 72.
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. 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.
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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.
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Disconnect charging source prior to connecting or disconnecting battery terminals.
How to Replace EBMs
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The EBM is heavy (see page 99). Lifting the cabinet into the rack requires a minimum of two people.
To replace the EBMs:
1.
Switch all battery circuit breakers to the OFF (O) position (see Figure 29 on
page 39).
2.
Unplug the EBM cable from the UPS.
If additional EBMs are installed, unplug the EBM cable from the battery
connector on each EBM.
3.
If not already installed, install the supplied mounting brackets on the new EBM.
4.
Replace the EBM. See “Recycling the Used Battery or UPS” on page 98 for
proper disposal.
Summary of Contents for Powerware Series
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