Eaton AMPGARD Installation, Operation And Maintenance Instructions

Contents

9Instruction Booklet IB48050Effective September 2012Instructions for installationoperation and maintenance of theAMPGARD 15 kV 300A vacuum startereaton Corporation www.eaton.comReview the order drawings supplied with the equipment forinformation on the incoming connections for your specific equipmentEnsure that all connections are tight and of the proper ampacityto carry the rated load Cables should be properly supported andbraced, with special attention to ensure that the insulationis protected from damageMotor load cable terminationMotor load cable terminations are typically located in the left rear ofthe controller compartment Refer to Figure 16 for location detailsIn reduced voltage starters, the terminations are located in thereduced voltage compartment Load cables may exit either the topor bottom of the structure Ensure that the factory supplied phasebarriers are installed before energizing the starters Note that theleft barrier is larger than the other barriers The larger barrier mustbe installed in the left-most position Failure to properly install thebarriers can result in a flashover at the load connectionsMotor LoadConnectionsFigure 16. Motor Load Connections, Shown With OptionallySupplied LugsRemovable Phase BarriersFigure 17. Close-Up, Motor Load ConnectionsMV Conduit CoverLV Conduit CoverRemovableLiftingAnglesFrontStructureRearStructureFigure 18. Top Cover (View from Front of Bus Compartment,Back-to-Back Structures)Control connectionsControl wires may enter the enclosure from either the top or thebottom For lineups with main bus, a low voltage wireway is locatedin the left front of the bus compartment to facilitate top entry ofcontrol wiring For controllers where bottom entry is used, wiresenter the lower left front of the enclosure Refer to the order specificdrawings for locations for control wirewaysTerminal BlocksFigure 19. Low Voltage Terminal Blocks and Vertical WirewayA fixed row of terminal blocks for control connections is located inthe left front of the controller compartment The starter isolationswitch should be in the disconnected position and the mediumvoltage door open for wiring access to these terminal blocksWhen top entry of LV wiring is used, confirm that the wiring isrouted to the left and secured using wire ties as soon as possibleto prevent interference with the low voltage control compartmentwhen the medium voltage door is closed