Eaton EBC-S User And Installation Manual

Eaton Small External Battery Cabinet (EBC-S)and Large External Battery Cabinet (EBC-L) User’s and Installation Guide© Eaton Corporation plc 2015. All rights reserved. Revision: 002 Document ID: P-164000504 29 (37). DANGERDo not attempt to access any internal area of the battery stringyourself. Voltages are always present in the battery strings. If yoususpect that a battery string needs service, contact your servicerepresentative.Observe these precautions when working on or around batteries:• Remove watches, rings, or other metal objects.• Use insulated tools.• Wear rubber gloves and boots.• Do not lay tools or metal parts on top of batteries or batterycabinets.• Prior to connecting or disconnecting terminal, disconnect thecharging source.• Determine if the battery is inadvertently grounded. If it is, removethe source of the ground. Contact with any part of a groundedbattery can result in an electrical shock. The likelihood of such ashock is reduced if such grounds are removed during installationand maintenance.• When replacing batteries, use the same number of sealed, lead-acidbatteries.• Dispose of batteries according to your local codes for disposalrequirements.4.2 Performing preventive maintenanceThe battery cabinets require very little preventive maintenance.However, inspect the system periodically to verify that the units areoperating normally and that the batteries are in good condition.4.2.1 Periodic maintenanceInspect the UPS periodically to determine if components, wiring, andconnections exhibit evidence of overheating. Pay particular attention tobolted connections.