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1、Nominalvoltage24Vac/dc,50/60Hz;GENERALThesedirect-coupleddamperactuatorsprovidemodulatingcontrolfor: airdampers, VAVunits, airhandlingunits, ventilationflaps, louvers,andreliablecontrolforairdamperapplicationswithupto4.6m2/50sq.ft.(20Nm/177lb-in)or7.8m2/85sq.ft.(34Nm/300lb-in)(seal-lessdampers;airfr
2、ictiondependent).FEATURESSelf-centeringshaftadapterAccesscovertofacilitateconnectivityService/offforsafe&easyservicingRotationdirectionselectablebyswitchDeclutchformanualadjustmentMechanicalendlimitsField-installableauxiliaryswitchesMountableinanyorientation(noIP54ifupsidedown)Mechanicalpositionindi
3、catorCEandULcertifiedAmbientoperatinglimitsAmbientstoragelimitsRelativehumiditySafetyProtectionstandardProtectionclassOvervoltagecategoryLifetimeFullstrokesRepositions1.5MountingRounddampershaftSquaredampershaft45ShaftlengthControlsignal0(2).100(4).20Inputimpedance500FeedbacksignalLimits-20.+60C(-5.
4、+140F)-40.+80C(-40.+175F)5. .95%,non-condensingIP54asperEN60529IIasperEN60730-1II60000million10. .27mm(3/8.1-1/16)10. .18mm(3/8.11/16);stepsmin.22mm(7/8)VdcmA100kQ0.10VQ0.20mA1mAat0.10VEndswitches(whenincluded)RatingTriggeringpointsTorqueratingCN7220A2007CN7234A2008RuntimeRotationstroke95DimensionsW
5、eight(withoutcables)NoiseratingCertification5A(resistive)/3A(inductive)5/8520Nm(177lb-in)34Nm(300lb-in)95sec(60Hz)/110sec(50HzorDCsupply)3seeDimensionsonpage81.35kg(3lbs.)40dB(A)max.at1mCE&ULN20,N34SERIESNON-SPRINGRETURNDIRECT-COUPLEDDAMPERACTUATORSFORMODULATINGANDFLOATING/2-POSITIONCONTROLPRODUCTDA
6、TASPECIFICATIONSSupplyvoltage24Vac/dc15%,50/60Hz;Allvaluesstatedhereinafterapplytooperationundernominalvoltageconditions.PowerconsumptionCN7220A20076VA/3WCN7234A20086VA/3WAmbientlimitsEN0B-0341CH33R0803AEN0B-0341CH33R0803AU.S.RegisteredTrademarkCopyright2008HoneywellInc.AllrightsreservedEN0B-0341CH3
7、3R0803AN20,N34SERIESDAMPERACTUATORFORMODULATINGANDFLOATINGCONTROLMODELSModel#DescriptionCN7220A200720Nm,24Vac/Vdc,Modulatingandfloating/2-positioncontrol,Non-Springreturn,VoltageFeedbackSignalandwithoutaux.SwitchCN7234A200834Nm,24Vac/Vdc,Modulatingandfloating/2-positioncontrol,Non-Springreturn,Volta
8、geFeedbackSignalandwithoutaux.SwitchPRODUCTIDENTIFICATIONSYSTEMC-DirectCoupledActuatorNFailSafeFunction(Non-SpringReturn)61一24VFloating/2-positionControl72一24VModulatingandFloating/2-positionControl丨4-230VFloatina/2-positionControl2020Nm(177lb-in)I 34-34Nm(300lb-in)A-StandardModel1 -NoFeedback2 Volt
9、ageFeedbackSignal0一NoInternalAuxiliarySwitches2TwoInternalAuxiliarySwitchesXXSystemControlledNumbersCN7220A20XXFig.1.ProductIdentificationSystemOPERATION/FUNCTIONS#EN0B-0341CH33R0803AN20,N34SERIESDAMPERACTUATORFORMODULATINGANDFLOATINGCONTROL#EN0B-0341CH33R0803AN20,N34SERIESDAMPERACTUATORFORMODULATIN
10、GANDFLOATINGCONTROLRUNMODES3456Fig.2.SettingunitsandcontrolelementsLegendforFig2:1 Self-centeringshaftadapter2 Retainerclip3 Rotationalanglescales(0.90/90.0)4 Mechanicalendlimits5 Declutchbutton6 Anti-rotationbracket7 FunctionSelectionSwitch8 AccesscoverContentsofPackageThedeliverypackageincludesthe
11、actuatoritself,parts1through8(seeFig.2),theanti-rotationbracketscrews,andinstallationinstruction.Thefunctionselectionswitch(seeFig3)isusedtoplacetheactuatorintoanyoneoffivedifferentmodes: 2-10V,modulatingcontrol;floating/2-positioncontrol,cwrun 0-10V/Dir,modulatingcontrol;floating/2-positioncontrol,
12、cwrunService/Off,actuatorstoprunning10-0V/Rev,modulatingcontrol;floating/2-positioncontrol,ccwrun10-2V,modulatingcontrol;floating/2-positioncontrol,ccwrun2.10V010V/-*DirService/Off_1OOV/RevFig.3.F.unctiOnseieCtiOnSwitchPower-OffBehaviorIfpowerisremoved,theactuatorretainsitsposition.Service/OffIfthef
13、unctionselectionswitchissettotheService/Offposition,allrotarymovementiscancelled,andallcontrolsignalsareignored,thusallowingtheactuatortobesafelymanuallyoperated.Floating/2-PositionRunModeIfthefunctionselectionswitchhasbeensettooneofthefourpositions(2-10V,0-10V/Dir,10-0V/Rev,10-2V)andtheactuatoriswi
14、redasFloating/2-positionmode(seeA2andA3)一thenassoonasoperatingpowerisapplied,theactuatorwillrunclockwiseorcounterclockwise.ModulatingRunModeIfthefunctionselectionswitchhasbeensettooneofthefourpositions(2-10V,0-10V/Dir,10-0V/Rev,10-2V)andtheactuatoriswiredasmodulatingmode(seeA1)assoonasoperatingpower
15、isapplied,theactuatorwillrunaccordingtothecontrolsignalsapplied.Ifterminal5isalsowired,theactuatorwilloutputthevoltagefeedbacksignal(0/2-10V)proportionaltoactuatorsactualposition.Alternatively,ifterminal4iswiredandpoweredon,actuatorwilloverridethecontrolsignalandimmediatelycometoapositionof0%ofmax.stroke.Table1describ
