Eaton Powerware Series User Manual

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Contents

UPS MAINTENANCEEATON BladeUPS® (12 kVA) User's Guide 164201649 Rev 4www.eaton.com/powerquality90Replacing BatteriesNOTE 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 ParalleledUPS Shutdown” on page 72.Consider all warnings, cautions, and notes before replacing batteries.W A R N I N G Servicing should be performed by qualified service personnel knowledgeable of batteries and requiredprecautions. Keep unauthorized personnel away from batteries. 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 insulatedhandles; 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. Contactyour 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 andmay be extremely toxic. Determine if the battery 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 to alterwiring can cause injury. Disconnect charging source prior to connecting or disconnecting battery terminals.How to Replace EBMsC A U T I O NThe 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 onpage 39).2. Unplug the EBM cable from the UPS.If additional EBMs are installed, unplug the EBM cable from the batteryconnector 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 forproper disposal.