空调的拆卸

空调的拆卸Startbyturningthebrassvalveoftheairconditioner(thecoppertube)onthecoppervalve,andclosethevalveclockwisewiththeinnerhexagonwrench.Letairconditioningrefrigerationrunforabout5minutes(refrigerationtemperaturelowerset,asfaraspossible,toensurethatthecompressorturnup,thepurposeistoindoormachineandtwocopperpipeinnerrefrigerantrecyclingtoseginall),touchthevalvebesidethetwocopperpipeoutdoortemperature,afterwaitingforcoppertubesizearenocoldfeeling(thathavefinishedrecyclingstation),inthesamewaythetrachea(brass)valveshutdownafter(pulloutthepowerplug),toremovetheoutdoorelectricalconnections.Aparttwocopperpipejoints,smoothtubepullstraighttubes,oneindoorhangloweralongthewalltopulloutoftheliftupalongthetubeholepull,anotherpersonwillgiveoutdoorcoppertubeholeinthewalltosend(payattentiontosafety,arkcanberemoveddirectlyaslongas).Whenthechambermachineisremoved,turnthecoppertubestraightandturnthebigbend.PrytheindoormachinehangsTaiwan,removethefootoutdoorscrew(suchashighaltitudeshouldpayattentiontosafety,twovalvemouthshouldbebandaged,andpreventimpuritiesandmoistureinto),andfinallyremovetheoutdoorinstallation.Thewholedismantlementisfinished.Air-conditionermaintenancestep2:accuratefluorinemethodPlusfluorineisabasicskillinairconditioningmaintenance,anditisalsoahighlyskilledjob.ThisarticleintroducessomeoftheexperiencesthatIhavefoundinthemaintenancepractice.First,theconditionoftheexactfluorineMaintenanceofairconditioningmustmeetitsuseconditionandinstallationstandard.Theair-conditionercontrolsystemandtheexecutionelementofthemaintenancemustbenormal;Thepipingsystemmusthaveeffectivelyeliminatedair,moisture,obstruction,leakagepoints,etc.Filters,internalandexternalheatexchangersshouldbecleanandwellventilated.Maintenancetoolsandmaterialsmustbequalified.Strictlyfollowthefluorineprocess.ThebasisandmethodofaccuratelyaddingfluorineQuantitativeplusfluorine:connectthethree-wayvalve,pressuregauge,fluorinehose,flask,orvacuumpumpatthethree-waystopvalveprocess.Whenyouputthefluorineoutofthevacuum,youstartslowlyaddingfluorine.Weighwiththemoreaccuratemeasuringtoolssuchastheplatformscale,andturnoffthefluorinevalvedoorwhentheamountoffluorineinfluorineisequaltothestandardamountoffluorineontheairconditioningplate.2.Thecurrentmeasurement:settheairconditioninginthecoolingorheatinghighwindspeed(frequencyconversionairconditioningsettotestrunstate)operateinlowpressurecut-offvalvemouth,addfluoridewhilewatchingclip-onammeter,whenclosetotheratedcurrentvalueofairconditioningnameplatecalibration,fluorinevalvedoor.Atthispoint,letairconditioningcontinuetooperateforaperiodoftime,whentheroomtemperaturerefrigerationconditioncloseto27?atroomtemperatureorheatingconditionscloseto20?,considertheairtemperature,outdoorpowergridvoltagelevelsandotherfactorsthataffecttheratedworkingcurrent,atthesametimefine-tuningplustheamountoffluorinetoratedcurrentvalue,achievesaccuratelyandfluorine.Tofine-tunebecauseairconditioningcalibrationplateofratedcurrentvalueisairconditioningfactorytestdatainthefollowingconditions:therefrigeration,thepowersupplyvoltage220vor380vfanspeedwind,indoorairtemperatureis27?,outdoorairtemperature35?;Heatingcondition,thepowersupplyvoltage220vor380vfanspeedwind,indoorairtemperatureis20?,outdoorairtemperature7?.Practiceoffine-tuningdatais:coolingcondition,onthebasisofoutdoorairtemperature35?.Outdoortemperaturehigherorlower1?,increaseordecrease1.4%oftheratedcurrentvalue;Heatingcondition,onthebasisofoutdoorairtemperature7?,thetemperatureoutsideeachraiseorlower1?,increaseordecrease1%oftheratedcurrentvalue;Coolingorheatingmode,withratedvoltage220vor380vasthestandard,everyraiseorlowersupplyvoltage,1vtoreduceorincreasetheratedcurrentvalue:singlephase10.025A,1.5x1.50.025A,0.025Ahorse2*2,30.025Ahorse*3;Threephases,threepieces,0.025,A,three,five,five,A,A,A,ten,ten,A,ten,A,ten,A,ten,A,ten,A,ten,A,ten,A,ten,A,ten,A,ten,ten,A,ten,ten,tenPressuretest:puttheairconditioneronahighspeedwind(winter,whentheheatneedstobeaddedfluoride,Settheairconditioninginforcedcoolingconditionorwillputinaround27?warmwateratroomtemperaturesensor,simulatedsummertemperatureforairconditioningrunsunderrefrigerationstate),inthelow-pressurevalvetechnology,addfluorideandobservethelowpressurevacuumgauge,whenlowpressure0.49MPa(summer)or0.25MPa(winter),fluorinevalvedoor.Thefactorsaffectinglowpressurepressure,suchasairtemperatureandtemperatureofindoorairtemperatureandthesizeofindoorcoolingloadareconsidered,andthequantityandpressureoffreonarefine-tunedtomakethefluorineaccurate.Thereasonforthefine-tuningisthatlowstressisproportionaltothecoldloadintheroom,thehigherthecoldload,thehigherthepressure,thelowerthelower.Addfluorideprocessandnearthepipemouth,becauseinstalloutside,thepressureandtheevaporationtemperatureishighlyaffectedbytheoutsidetemperature,indoorheatexchangersomerealpressureandevaporationtemperatureinsummerisonthehighside,lowtosomeinthewinter.Practice,summedupthefanhighspeedwind,indoortemperatureis27?,undertheconditionoflowpressuredataasshownintable.4.Observation:settheairconditioninginthecoolingorheatingoperationunderhighwindspeed,andaccurateamountoffluorineintheindoorheatexchangerintoandoutof10cmFengKouChutemperaturedifferenceis:whentherefrigerationisgreaterthan12?,greaterthan16?whenheating;Allrefrigeration,indoorheatexchangercondensationandevaporationsoundlow,outdoorcut-offvalveChuJiecondensationdrippingdew,summercontinuous,indoorheatexchangerwiththecapillaryjointfrost-freedew,etc.;Whenheating,theindoorheatexchangerwalltemperatureisgreaterthan40?.Intheactualrepair,frequencyconversionairconditioningbecauseoftheaddingamountoffluorideisofveryhighaccuracyrequirements,ortheairconditioningthatdecidefrequencyforcoolingpipingsystemneedtovacuum,appropriateUSESquantitativemethodstoaddfluoride.Ifthepipingsystemneedstobesupplementedbyfluorine,itisadvisabletousethemethodofmeasuringcurrentandmeasuringthepressureofthemeterTheunitshouldbeusedfortheremovaloftheairconditioner,anditshouldbeusedtoremovethefluorine,whichisalsocalledthefluorine,andtherefrigerantwillbeputintotheexternalmachine.(stepis:refrigerationboot,withAllenfirstmovehandclosedhigh-pressurecutting(finebrasssmallcut),afterafewsecondstoshutdownlowcut(thicktubelargecutting),immediatelystop.)thencansafelyremovethecopperpipe,removedaftercarefulnottofoldthecopperpipe,andwrappedthenozzleplasticbagscanbe.(safetyinaction).--------------------------------------------------------------------------------------------------------TheseparationofairconditionerisamatterofnoteA,commissioning:Testtheairconditionertobefunctionalbeforemoving.Second,recyclerefrigerantsandremovetheindoorandoutdoorconnections.Itisbesttobeabletomarkatbothendsoftheconnectionlinesothatthereisnopossibilityofafaultbeingcausedbyaconnectionlineatthetimeoftheinstallation.Keeptheconnectionpipeinterfaceclean;Duetotheuseofairconditioningisgenerallyattachedisdustiness,whenremovingnutconnectingpipeinterface,topayattentiontothebellmouthandtapping,preventdustanddirtintotheline,topreventswitchingonlineplugafterwork.Beforeinstallingthedockinginterface,checkthebell-topandtheinsidetoremovethedirtandcovertherear.Ifithappenstoberaining,itismoreimportanttotiethepipeinaplasticbagwhendisconnectingthepipeandpreventrainfromenteringtheice.Whenremovingtheindoormachine,preventcondensationwaterfromenteringthecircuitboard.Becauseoftheindoormachinewithsomecondensatewaterpans,drainagetube,thusremovingindoormachineandmoved,can'tmakeindoormachineisequippedwithcircuitboardsthatupsidedown,orevenover,andshouldmakeacircuitboardthatendisabithigh,letthewaterflowingfromtheotherend,sothatyoucanavoidcondensedwaterpouringintothecircuitboard,topreventelectricalfaultoccurredwhenthephoneisswitchedon.Checkthehornoftheconnectingpipe;Connectingpipeonthebellmouthduetothelongtermwillbesqueezed,somerootshavedeepacircleacircleindentation,thebellmouthiscracked,snap,leakoccurwhenthephoneisswitchedon,therefore,mustberemovedtobellafterthereview,unqualifiedmustcutbackexpansion,soastoavoidthehappeningofhiddendangers.Intheprocessofcarryingandinstallingtheoutsidemachine,TheAngleoftiltistoobig,don'tusehandgraspstopvalveliftmachine.Besides,itshouldalsobecarefultotakethelightonthetransfermachine,toremovethescienceoftheassembly,todrawthereasonabledirectionofthepipe,andtomakethebendingpressuremoderate.Seven,payattentiontothefollowingaspectswhenreinstalling:1,terminal,orotherplaceshaveaconnectiontoseeifthereisloosephenomenon,preventtheoccurrenceofappearlighterorotherhiddentrouble,wireandwhethertohavethephenomenonofaging,suchasagingmustbesuchastoreplace;Checktheconnectionpipe,ifthereisaleakageoffluorineintheheadarea,andforaperiodoftime,ifthereisaleakageoffluorine,therewillbeanoilspillintheleak.Measuringtheinsulationresistanceofairconditionerstopreventleakageofairconditioner;Isitreasonabletodrainthewaterpipe?Cleanthefilterandductsystem;Afterinstallationcompletion,thetestmachineshouldmeasurethefollowingdataandmakearecord:1,thereisnoabnormalnoise;Highpressureandlowpressure;Inlettemperature,outlettemperature,temperaturedifference,indoorandoutdoortemperature;4,powervoltage;Theworkingcurrentofairconditioner.------------------------------------------------------------------------------------------------------------------------------TheunittypeairconditioningroommachineisremovedandinstalledHouseholdair-conditionersthedismantlingoutdoorstepstobasicallyseelocationandmovingpath,youhave3metersofcoppertubesand5meters(ingeneral),doyouhavegotenoughcoppertube,firstlookatyourfirsthostbelowfourfixedscrew,sincethemoveslowly,lookatthebackofthemanyofthebrass,followtheprinciple,thenslowlyputyouwanttomovetheposition,thebest2peopletomove,ifthelocationofthestationisnotgood,waistplayinsuranceropefirst,,,safetyfirst,onthemovetoturnoffthepowersupplyfirst,iflocationisnotmovetotherefrigerantchargefirst,firstclosethehighpressurepipecutting,boot,,,,listentothevoice,,,noloadwhenthecompressorinthelowvoltagecutoffgoodcanputthebrassscrewdown,movedawayafterthefirstwholecompanyconnectedtothetwopipes,thehighpressurepipeandtightenedthelowpressurepipeandtightenlooseafterabit,nowopenthehigh-pressurecutabit,letruncoldwaterinthepipe,thepipeintheairputoffabit,well,thelowpressurepipeandtighten,completionI'mnotsayingit,letyoudownthepipe,thebackplateintoacircle,youtwocansolve,movesslowly,iftherearethreepeople,twopeoplemove,isthereapersondothepipeslowlyfushun,generallywillnotbreak,butafraidofthepipewasflat,youbecarefuldonothaveathingHouseholdairconditioningseparate-bodiedair-conditionersdisassemblingalsoneedalotoftools,suggestnottobegin,calledmaintenancemasterandifmaybewasteofrefrigerantR22.Callothersmove100piecesof...It'sgoodtomoveyourownmachine,butit'sbadtomove...Transfermethod:openthebranchtwo,overacertaintime,callthecustomsvalve.YoucankeeptherefrigerantsThefollowingshenzhengreeair-conditionermaintenanceanddemolitiontechniciantellsyouabouttheroommachinefortheindoormachineroomofindoorandindoorairconditioningroom:Thefirstpart:separatetheconnectedandinstalledairconditionerintotheindoorandindoormachines.(ifcompleted,thesecondpartoftheworkisdone.)Turnoffthehigh-pressurevalveandactivatethesystemforabout30seconds.ThencloseCutofftheair-conditioner.Removethepackingtapeandinsulatedpipefromtheindoorandindoormachine.Screwthecoppercapofthehigh-pressurevalveandlowpressurevalve,andsealtheconnectingpipeandtheoutsidemachine.Removetheindoormachinefromthehangingboard(fromthebottomuptothehorizontalmovement).Carefullyremovethecopperpipefromtheairconditioner.(notethatthecopperpipeisstillattachedtothechambermachine.)Removefromthesupportingframeandremovefromthesupportingframe.Loosenthefourexpansionscrewofthesupportframeandremovethesupportframe.Thesecondpart:Thedisassemblyoftheexternalmachine(whichispositiveinthefandirection)(1)therefrigerantwhichissealedintheexternalmachineshallberecovered.(2)removethetop,topandrightsideofthesheetmetalpieces.Removeexplosion-proofhosefromthecompressor.(thisexperimenthasreplacedthecoppertubeofthecompressorwithexplosionresistanthose,andiftheconnectioncompressorismadeofcopperpipe,itshouldbeseparatedbygaswelding.)Removethethreeboltsofthecompressorseatandremovethecompressor.Observethesymbolsofthethreeterminalsofthecompressor.(5)removethescrewfromthefanshaftandunloadtheelectricfan.Removetheelectricalcontrolboardandthemainpowerpanelscrew.(noticethecoloroftheattachment)TheassemblyoftheexternalmachineAccordingtothereverseprocedureassembly,noticethepositionofthescrewsusedeverywhereiscorrect.Thethirdpart:Theremovaloftheventricularmachine(infrontofthecontrolpanel)(1)liftupthepanelonthemaskofthechambermachineandyoucanseetheinsertionfilter.(2)removetheplasticpartsinthelowerrightcorneroftheindoormachine.(notethattherearetwoscrewsattachedtothemask,andthereisajointbetweentheplasticparts.)(3)screwdowntwoscrewsthatattachthemasktotheinsideofthechambermachineandremovethemask.(4)removethegroundingwireoftheevaporator.(5)removethetemperaturesensorinasmallcoppertubeattherightendoftheevaporator.(6)drawthecontrolcircuitboxfortheindoormachine.(7)themotorthatunloadedtheguideblade.(notethattherearetwoscrewsattachedtotheguideblade.)(8)removetheguideblade.(notethattherearetenonsbetweentheplasticparts.)(9)nowyoucanseetheevaporatorandtheflowfan,observethepipeflowoftheevaporator,anddrawtheintention.IndoormachineassemblyBasedoncontrarytoremovethestepassembly,payattentiontotheaccuratelocationofthescrewusedthroughout,afterloadingthediversioncascade,payattentiontotherotatingtubularfanwiththehand,seeiftherotationisfluent,iftootight,needtoadjusttheinstallationclearance.Section4:connecttheindoorandindoormachine,andrun.Thecopperpipethatconnectstheindoormachinetotheexternalmachine.2,vacuumpump,vacuumairconditioner.3,refrigerantcylinderwithfluorinefillingpipeconnectioninthethreewayvalveontherightsideofthetrachea,outdoorunscrewedtherefrigerantcylindervalve,theairconditionerrefrigerantfilling,afterfillingtotheappropriatepressure,closethevalve,removingfluorinefillingtube.Turnonthepowersupply,runtheair-conditionerfor5minutes,runtheprocessandnoticeifthepartsareworkingproperly.Stop,cutoffthepowersupply,cleanupthecountertops,organizethetools,andfinishtheexperiment.