Installation&OperationManualKBACSERIESVariableSpeed/Soft-StartACMotorDrivewithElectronicMotorOverloadProtectionforInverterDutyMotors1WashdownandWatertightforIndoorandOutdoorUseRatedfor208–230and400/460Volt50&60Hz3-Phase&PSC2ACInductionMotorsfromSubfractionalthru5HPOperatesfrom115,208/230Voltand400/460Volt50/60HzACLine2,3SeeSafetyWarning,onpage5.NOTE:THEDRIVEISFACTORYSETFOR60HzMOTORS.FOR50HzMOTORS,SEESECTION6.4,ONPAGE17.Theinformationcontainedinthismanualisintendedtobeaccurate.However,themanufacturerretainstherighttomakechangesindesignwhichmaynotbeincludedherein.Notes:1.ULapprovedasanelectronicoverloadprotectorformotors.2.Specialsoftwareisavailable–contactourSalesDepartment.3.DonotusethisdrivewithGFCIs.4.InstallationofaCEapprovedRFIfilterisrequired.©2008KBElectronics,Inc.(seebackcover)AdjustableFrequencyDrivesfor3-PhaseACMotorsNEMA-4X/IP-654ThisManualCoversModelsKBAC-24D,27D,29,45,48TABLEOFCONTENTSSectionPage1Quick-StartInstructions................................................................42SafetyWarning......................................................................53Introduction.........................................................................64ImportantApplicationInformation.......................................................125WiringInstructions...................................................................136SettingSelectableJumpers............................................................167MountingInstructions................................................................198RecommendedHighVoltageDielectricWithstandTesting(Hi-PotTesting).........................199DriveOperation.....................................................................2110ACLineFusing.....................................................................2111DiagnosticLEDs....................................................................2112TrimpotAdjustments.................................................................22LimitedWarranty.......................................................................28TablesPage1JumperSelectableFeatures............................................................82OptionalAccessories..................................................................83GeneralPerformanceSpecifications.....................................................104ElectricalRatings....................................................................105TerminalBlockWiringInformation.......................................................136DriveOperatingConditionandRun/FaultRelayContactStatus.................................167DriveOperatingConditionandStatusLEDIndicator.........................................22FiguresPage1Quick-StartConnectionDiagram.........................................................42ControlLayout.......................................................................93ModelKBAC-24DMechanicalSpecifications...............................................114ModelsKBAC-27D,29,45,48MechanicalSpecifications.....................................115MaximumAllowedMotorTorquevs.Speed................................................126OpenVentilatedMotorwithExternalFanCooling...........................................127ModelsKBAC-24D,27DACLineInput,Motor,andGroundConnections.........................138ModelsKBAC-29,45,48ACLineInput,Motor,andGroundConnections........................149RemoteMainSpeedPotentiometerConnection............................................1410RemoteStart/StopSwitchConnectionwithNormallyOpenStopContact........................1511RemoteStart/StopSwitchConnectionwithNormallyClosedStopContact.......................1512Start/StopFunctionEliminated.........................................................1513VoltageFollowingConnections.........................................................1514EnableCircuitConnection.............................................................1615Run/FaultRelayOutputContactsConnection..............................................1616ModelsKBAC-24D,27DACLineInputVoltageSelection(JumperJ1)...........................1617RemovingJumperJ1onModelsKBAC-24D,27D..........................................1718MotorHorsepowerSelection(JumperJ2).................................................1719AutomaticRide-ThroughorManualRestartSelection(JumperJ3)..............................172060Hzand50HzMotorSelection(JumpersJ4andJ5)......................................1721AvailableTorquevs.OutputFrequency...................................................1822120Hzand100HzDriveOutputFrequencySelection.......................................1823FixedorAdjustableBoostSelection(JumperJ6)............................................1824RegenerativeorDCInjectionBrakingSelection(JumperJ7)...................................1825“Run”or“Fault”OutputRelayOperationSelection(JumperJ8).................................1926NormallyOpenorClosedStopContactSelection(JumperJ9).................................1927ConstantorVariableTorqueSelection(JumperJ10)........