文稿32雷诺-科雷傲air conditioning

AirConditioningContentsCONTENTS1. IntroductionComponentsofA/CcycleInput/outputsignalofautoampControlofautoampSelf-diagnosisfunctionofautoampBlowerfanB-pillarventsystem1.Introductionofairconditioningsystem(KOLEOS)ServiceTrainingTeam2/25BlowerfanSeparateblowerfanandswitchareinstalledthatcancontroltheairvolumeintherearseats.- Refrigeratordeviceinstalledinthepassenger'sgloveboxSeparateshuttervalveinstalledthatcantheoperationofdeviceonoroff.Evenifaheaterisoperated,ahotwinddoesn’tflowintoglovebox.→Becauseawindtoflowtoagloveboxisconnectedwithancoolingunit.TempTime1.5LPETbottle(1)Shuttervalve2.ComponentsofA/CcycleComponentsOperationinformationandimportantdetailsCompressorApplicationoffixingswashplatetype.Refrigerantoilamount:120ml.CondenserApplicationofsubcoolcondenser.Refrigerantamount:550±50gLiquidtankFiltration&storagefunctionofrefrigerant.ExpansionvalveDecreasespressureandadjustsrefrigerantamount.EvaporatorCoolingeffectusingevaporationlatentheat.ServiceTrainingTeam3/25LowpressureHighpressure2-1.ComponentsofA/CcycleServiceTrainingTeam4/25CompressorLiquidtankEvaporatorEvaporatorCompressorCondenserLiquidtankExpansionvalveEvaporator3.Input/outputsignalofautoampServiceTrainingTeam5/25Watertemperaturesensor:Turnstheairconditioningcompressoronoroffdependingonthewatertemperature.Refrigerantpressuresensor:Turnstheairconditioningcompressoronoroffdependingontherefrigerantpressure.In-carsensorAmbientsensorIntakesensorSun-loadsensorAirmixdooractuatorModedooractuatorIntakedooractuator3-1.IN-CARSENSORServiceTrainingTeam6/25In-carsensorismeasuredinsidetemperaturebythesuctionpressureoftheaspiratorandrelayedtotheautoamplifierasavoltagevalue.In-carsensorisanegativetemperaturecoefficientthermistorwhereresistancevalueisreducedwithelevationofinsidetemperature.-Opencircuit:Autoampdisplaysas-30℃.(recognises-42℃)-Shortcircuit:Autoampdisplaysas+55℃.(recognizes+100℃)In-carsensorcheck(resistance)Approx.6.19kΩ(0℃)Approx.4.95kΩ(5℃)Approx.3.99kΩ(10℃)Approx.3.24kΩ(15℃)Approx.2.65kΩ(20℃)Approx.2.19kΩ(25℃)Approx.1.81kΩ(30℃)Approx.1.51kΩ(35℃)Approx.1.27kΩ(40℃)aspiratorAspiratorductHeaterunitIn-carsensorR(Ω)T(℃)3-2.AmbientSensorServiceTrainingTeam7/25Externaltemperature(t)R(Ω)AutoAmplifierAmbientsensorismeasuredtheoutsidetemperatureandrelayedtotheautoamplifierasavoltagevalue.Ambientsensorisanegativetemperaturecoefficientthermistorwhereresistancevalueisreducedwithelevationofoutsidetemperature.-Opencircuit:Autoampdisplaysas-30℃.(recognizes-42℃)-Shortcircuit:Autoampdisplaysas+55℃.(recognizes+100℃)ambientsensorcheck(resistance)Approx.6.19kΩ(0℃)Approx.3.99kΩ(10℃)Approx.2.65kΩ(20℃)Approx.2.19kΩ(25℃)Approx.1.81kΩ(30℃)Approx.1.27kΩ(40℃)3-3.Sun-loadSensorServiceTrainingTeam8/25Thephotodiodemeasuresthesolarradiationlevelandconvertsitintoacurrentvalue,whichisconvertedintoavoltagevaluebytheautoamplifier.Thehigherthesolarradiationlevel,thehigherthecurrentvaluees.Check:Approx.3Vforthesolarradiationlevelbydirectsunlightunderclearsky(Approx.0.77kw/m²(660kcal/m².h)).AUTOAMPASUN-LOAD3-4.IntakeSensorServiceTrainingTeam9/25Sensesthetemperatureatthevehicle'sinlet(evaporator)andconvertsitintoavoltagevalueandrelaysittotheautoamplifier.Resistanceofthenegativetemperaturecoefficientthermistordecreasesastemperatureincreases.IntakesensorcheckApprox.6.19kΩ(0℃)Approx.3.99kΩ(10℃)Approx.2.65kΩ(20℃)Approx.2.19kΩ(25℃)Approx.1.81kΩ(30℃)Approx.1.27kΩ(40℃)AUTOAMPResistanceInlettemperatureTheoperationconditionofcompressoraccordingtodetectiontemperatureofintakesensor.Below2℃:compressoroffAbove3℃pressoron3-5.WaterTemperatureSensorServiceTrainingTeam10/25InjectioncomputerturnstheairconditioningcompressorbytheECMONorOFFdependingonthewatertemperaturesensor,andtheUPCcontrolstheairconditioningrelayonoroffaccordingly.UPCCPUVCC+IGONA/CrelayMultiplexnetworkInjectioncomputerA/CcompressorWTS3-6.RefrigerantPressureSensorServiceTrainingTeam11/25Refrigerant

pressuresensor

InjectioncomputerSIGVCC(5V)EARTHIGONUPCRefrigerantpressureatthehighpressuresideisconvertedintoavoltagevalueandthenrelayedtotheinjectioncomputerforprotectingtheA/Ccycleandcontrollingidlespeed.CapacitancetypepressureSignalprocessingconnecterRefrigerantpressureMpa(kg/㎠)VCCCompressorTheoperationconditionofcompressoraccordingtorefrigerantpressure.Below0.4V(0.14Mpa):OFFAbove4.1V(2.73Mpa):OFF3-7.OutputActuatorsofAutoAmplifierServiceTrainingTeam12/2512341.Blowmotor2.Modedooractuator3.Airmixdooractuator(driver)4.Heatercoreradiator5.Fancontrolamp6.A/Cfilter(exchangeperiod:20000km)1.Intakedooractuator2.Aspirator3.Airmixdooractuator(passenger)4.Intakesensor1234564.AutoAmplifierControlFunctionServiceTrainingTeam13/25- Inputsignal:in-carsensor,ambientsensor,intakesensor,sun-loadsensor,watertemperaturesensor,refrigerantpressuresensor- Controlactuators:Modedoor,intakedoor,airmixdoor,airconditioningcompressor4-1-1.AitMixDoorOperationMethodServiceTrainingTeam14/25Stepmotortypeactuator(airmixdoor(DR,AS,modedoor))→ TRbasesignalcausesthestepmotorwithintheactuatortorotateinthestepcorrespondingtotheoperatingsignal,andstopsatthetargetdoorposition(forward/backwardrotationispossiblebychangingthemagneticpatternoftheactivationcoil).Approx.9.3VwhendoorisoperatingACTUATORAUTOAMP1

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234NormalrotationReverserotationtimetime4-2.OutletvolumeControlServiceTrainingTeam15/25- Automaticcontrol:AUTOMODE,DEF&MAXDEF- Manualcontrol:Operatingthefanswitch- Topreventsuddenincreaseoftheoutletvolumewhencontrollingbytheautoamplifier,voltageappliedtotheblowfanmotorisincreasedatthe1V/1secratio.3.Startingoutletvolumecontrolatlowtemperature4.Airvolumecontrolwhenindoortemperatureishigh5.Controlofactuatorwhenitworks2.Startingoutletvolumecontrol1.Normaloutletvolumecontrol1V/secAUTOswitchA/CswitchTemp.controldialDEFswitchModeswitchFancontrolswitchOFFswitchIn-carsensorAmbientsensorSun-loadsensorintakesensorWatertemp.sensorAUTO-AMPBlowermotorElectriccircuitFancontrolamp4-2-2.FEToftheKOLEOSVehicleServiceTrainingTeam16/25Autoamplifier'sgatevoltageMotorspeedGatevoltage(V)Motorcurrent(A)110.4V2.428.7V3.8537.6V5.646.4V7.655.1V10.1063.8V12.072.5V12.10PP++++++++++++aluminumAuto-ampcontrolsthegatevoltageoffancontrolampbycontinuouslyvariablemethodtocontroltherotationspeedofblowermotor;Whengatevoltageislow,motorrotationspeedishigh;incontrast,ifgatevoltageishigh,rotationspeedeslow.4-2-5.RearBlowerMotorControlServiceTrainingTeam17/25OFF→LOW→HI(12V)→(5.9V)→(1.7V)Up/down/left/rightangleadjustmentInstalledunderthepassengerseatToactivatetherearblowermotor,selectautomodeonthecontrolpanelorusethefanswitchtoturntheairconditioningonandthenusetherearfanswitchonthecontrolpanelorthefanswitchontherearpaneloftheconsolebox.8.SelfdiagnosisfunctionofautoampServiceTrainingTeam18/25Pressandholdthefancontrolswitchdownfor5secondorlongerwithin10secondsof+afterignitionfeedtoenterselfdiagnosismode.STEP1-CheckLEDsandsegmentsSTEP2-CheckinputsignalsfromvarioussensorsSTEP3-CheckactuatorfaultSTEP4-CheckoutputunitoperationSTEP5-ChecktemperaturemeasurementsfromvarioussensorsSTEP6-Temperaturesettingtrimmer8-1.STEP1-CheckLEDsandSegmentsServiceTrainingTeam19/25STEP1-CheckLEDsandsegmentsSTEP2-CheckinputsignalsfromvarioussensorsSTEP3-CheckactuatorfaultSTEP4-CheckoutputunitoperationSTEP5-ChecktemperaturemeasurementsfromvarioussensorsSTEP6-TemperaturesettingtrimmerSTEP1-CheckLEDsandLCDsegmentLCDsegment:DriverseatandpassengerseattemperaturecontroldialLEDcheck:Allswitches8-2.STEP2-CheckInputSignalsfromVariousSensorsSensorShortcircuitDisplayOpencircuitDisplayAmbientsensor100℃orabove21(ACLEDON)-42℃orbelow21In-carsensor100℃orabove22(ACLEDON)-42℃orbelow22Intakesensor100℃orabove24(ACLEDON)-42℃orbelow24Sun-loadsensor0.152mAorabove25(ACLEDON)0.003mAorbelow25INTAKEPBRVoltageratio30%orbelow26(ACLEDON)Voltageratio50%orabove26Normal2020ServiceTrainingTeam20/25STEP2-Checkinputsignalsfromvarioussensors

(opencircuit,shortcircuit)-"20"displayedwhennormal-Infault:Correspondingcodenumberrepeatsonfor0.7secondsandofffor0.2seconds.-Inmultiplefaults:Correspondingcodesaredisplayedrepeatedlytwice,dependingontheorder.-Ifsensorisinfaultandshortcircuit,A/CLEDislit.-IntakePBRfaultcondition(opencircuit:approx.2.5Vorabove,shortcircuit:approx.1.5Vorbelow)-Thesun-loadsensorfaultmayberecognizedwheninindoorsoratnight.Applylightof60Worabove.8-3.STEP3-CheckActuatorsServiceTrainingTeam21/25#3(#25)31ACLEDON31#4(#28)32ACLEDON32#1(#27)33ACLEDON33#6(#26)34ACLEDON34#3(#21)35ACLEDON35#4(#24)36ACLEDON36#1(#23)37ACLEDON37#6(#22)38ACLEDON38#3(#1)39ACLEDON39#4(#4)3AACLEDON3A#1(#3)3bACLEDON3b#6(#2)3cACLEDON3c3030DriverseatAirmixdoorActuatorNormalModedoorActuatorFaultcodeShortcircuitOpencircuitNo.displayedNo.displayedActuatorActuatorConnectorno.STEP3-Checkopen/shortcircuitforallactuators-"30"displayedwhennormal-Infault:Correspondingcodenumberrepeatsonfor0.7secondsandofffor0.2seconds.-Inmultiplefaults:Correspondingcodesaredisplayedrepeatedlytwice,dependingontheorder.-Ifactuatorisinfaultandshortcircuit,A/CLEDislit.-ResetbyusingtheDEFswitch:Whileresetisinprocess,thedriver'sdisplaywindowshows"30"andtheDEFLEDflashesinintervalsof0.5seconds(initializingpositionsforalldoors).-Whenresetiscomplete,the3-stageself-diagnosisisrestarted.PassengerseatAirmixdoorActuator8-4.STEP4-CheckOutputUnitOperationINDICATOR414243444546MODEVENTB/LB/LD/F1D/F2DEFINTAKERECREC20%FRE80%FREFREFREAIRMIXLH0%0%50%50%100%100%AIRMIXRH0%0%50%50%100%100%FAN5V10.5V8.5V8.5V8.5VVCCCOMPRESSORONONONOFFOFFONFANONONONONOFFOFFONB-PILLERFANLOWLOWLOWHILOWLOWServiceTrainingTeam22/25WhenevertheDEFswitchispressed,thedisplaychangesthrough41-42-43-44-45-46-41foroperationcheck.8-5.STEP5-CheckTemperatureMeasurementsfromVariousSensorsServiceTrainingTeam23/25Intakesensortemperature5StepNumberWhenevertheDEFswitchispressed,numbersaredisplayedintheorderofambientsensortemperature,in-carsensortemperature,andintakesensortemperature.Ifthescreendisplays"-"astemperature,theA/CLEDislit.Ifthesensorisopencircuit,thescreendisplays-30℃.AmbientsensortemperatureIn-carsensortemperature8-6.STEP6