Fujitsu AOYG14KBTA2 Bruksanvisning

Fujitsu Luftkonditionering AOYG14KBTA2

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En-1
WARNING
• Installationofthisproductmustbedonebyexperiencedservicetechniciansor
professionalinstallersonlyinaccordancewiththismanual.Installationbynonprofes-
sionalorimproperinstallationoftheproductmaycauseseriousaccidentssuchas
injury,waterleakage,electricshock,orre.Iftheproductisinstalledindisregardof
theinstructionsinthismanual,itwillvoidthemanufacturer’swarranty.
• Toavoidgettinganelectricshock,nevertouchtheelectricalcomponentssoon
afterthepowersupplyhasbeenturnedoff.Afterturningoffthepower,alwayswait
10minutesormorebeforeyoutouchtheelectricalcomponents.
• Donotturnonthepoweruntilallworkhasbeencompleted.Turningonthepower
beforetheworkiscompletedcancauseseriousaccidentssuchaselectricshockor
re.
• Ifrefrigerantleakswhileworkisbeingcarriedout,ventilatethearea.Iftherefrigerant
comesincontactwithaame,itproducesatoxicgas.
• Installationmustbeperformedinaccordancewithregulations,codes,orstandards
forelectricalwiringandequipmentineachcountry,region,ortheinstallationplace.
• Donotusethisequipmentwithairoranyotherunspeciedrefrigerantintherefriger-
antlines.Excesspressurecancausearupture.
• Duringinstallation,makesurethattherefrigerantpipeisattachedrmlybeforeyou
runthecompressor.
Donotoperatethecompressorundertheconditionofrefrigerantpipingnotattached
properlywith3-wayvalveopen.Thismaycauseabnormalpressureintherefrigera-
tioncyclethatleadstoruptureandeveninjury.
• Wheninstallingorrelocatingtheairconditioner,donotmixgasesotherthanthe
speciedrefrigerant(R32)toentertherefrigerantcycle.
Ifairorothergasenterstherefrigerantcycle,thepressureinsidethecyclewillriseto
anabnormallyhighvalueandcauserupture,injury,etc.
• Toconnecttheindoorunitandoutdoorunit,useairconditionerpipingandcables
availablelocallyasstandardparts.Thismanualdescribesproperconnectionsusing
suchinstallationset.
• Donotmodifypowercable,useextensioncableorbranchwiring.Improperusemay
causeelectricshockorrebypoorconnection,insufcientinsulationorovercurrent.
• Donotpurgetheairwithrefrigerantsbutuseavacuumpumptovacuumtheinstalla-
tion.
• Thereisnotextrarefrigerantintheoutdoorunitforairpurging.
• UseavacuumpumpforR32orR410Aexclusively.
• Usingthesamevacuumpumpfordifferentrefrigerantsmaydamagethevacuum
pumportheunit.
• UseacleangaugemanifoldandcharginghoseforR32orR410Aexclusively.
• Donotusemeanstoacceleratethedefrostingprocessortoclean,otherthanthose
recommendedbythemanufacturer.
• Theapplianceshallbestoredinaroomwithoutcontinuouslyoperatingignition
sources(forexample:openames,anoperatinggasapplianceoranoperating
electricheater).
• Donotpierceorburn.
• Beawarethatrefrigerantsmaynotcontainanodour.
• Duringthepump-downoperation,makesurethatthecompressoristurnedoffbefore
youremovetherefrigerantpiping.
Donotremovetheconnectionpipewhilethecompressorisinoperationwith3-way
valveopen.
Thismaycauseabnormalpressureintherefrigerationcyclethatleadstoruptureand
eveninjury.
• Thisapplianceisnotintendedforusebypersons(includingchildren)withreduced
physical,sensoryormentalcapabilities,orlackofexperienceandknowledge,unless
theyhavebeengivensupervisionorinstructionconcerninguseoftheappliancebya
personresponsiblefortheirsafety.Childrenshouldbesupervisedtoensurethatthey
donotplaywiththeappliance.
CAUTION
• Fortheairconditionertoworkappropriately,installitaswritteninthismanual.
• Theapplianceshallnotbeinstalledinanunventilatedspace,ifthatspaceissmaller
than1.61m2.
• Thisproductmustbeinstalledbyqualiedpersonnelwithacapacitycerticationof
handlingrefrigerantuids.Refertoregulationandlawsinuseoninstallationplace.
• Installtheproductbyfollowinglocalcodesandregulationsinforceattheplaceof
installation,andtheinstructionsprovidedbythemanufacturer.
• Thisproductispartofasetconstitutinganairconditioner.Theproductmustnotbe
installedaloneorbeinstalledwithnon-authorizeddevicebythemanufacturer.
• Alwaysuseaseparatepowersupplylineprotectedbyacircuitbreakeroperatingon
allwireswithadistancebetweencontactof3mmforthisproduct.
• Toprotectthepersons,earth(ground)theproductcorrectly,andusethepowercable
combinedwithanEarthLeakageCircuitBreaker(ELCB).
• Thisproductisnotexplosionproof,andthereforeshouldnotbeinstalledinexplosive
atmosphere.
• Thisproductcontainsnouser-serviceableparts.Alwaysconsultexperiencedservice
techniciansforrepairing.
• Wheninstallingpipesshorterthan3m,soundoftheoutdoorunitwillbetransferred
totheindoorunit,whichwillcauselargeoperatingsoundorsomeabnormalsound.
• Whenmovingorrelocatingtheairconditioner,consultexperiencedservicetechni-
ciansfordisconnectionandreinstallationoftheproduct.
• Donottouchthensoftheheatexchanger.Touchingtheheatexchangernscould
resultindamagetothensorpersonalinjurysuchasskinrupture.
AIRCONDITIONER
OUTDOORUNIT
INSTALLATION MANUAL
PARTNo.9319205281-02
1. SAFETY PRECAUTIONS
• Besuretoreadthismanualthoroughlybeforeinstallation.
• Thewarningsandprecautionsindicatedinthismanualcontainimportantinformation
pertainingtoyoursafety.Besuretoobservethem.
• Handthismanual,togetherwiththeoperatingmanual,tothecustomer.Requestthe
customertokeepthemonhandforfutureuse,suchasforrelocatingorrepairingthe
unit.
WARNING
Indicatesapotentiallyorimminentlyhazardoussituation
which,ifnotavoided,couldresultindeathorseriousinjury.
CAUTION
Indicatesapotentiallyhazardoussituationthatmayresultin
minorormoderateinjuryordamagetoproperty.
[Originalinstructions] Forauthorizedservicepersonnelonly.
EnglishDeutschFrançaisEspañolItalianoEλληvIkάPortuguêsРусский
Türkçe
Türkçe
Contents
1.SAFETYPRECAUTIONS....................................................................... 1
2.PRODUCTSPECIFICATION................................................................. 3
2.1.Installationtools........................................................................... 3
2.2.Accessories................................................................................. 4
2.3.Piperequirements....................................................................... 4
2.4.Electricalrequirements................................................................ 5
2.5.Additionalchargeamount............................................................ 6
2.6.Generalinformation..................................................................... 6
3.INSTALLATIONWORK.......................................................................... 6
3.1.Installationdimensions................................................................ 6
3.2.Mountingtheunit......................................................................... 7
3.3.Removingandreplacingpart....................................................... 8
3.4.Draininstallation.......................................................................... 8
3.5.Pipeinstallation........................................................................... 8
3.6.Sealingtest.................................................................................. 9
3.7.Vacuumprocess.......................................................................... 9
3.8.Additionalcharging.................................................................... 10
3.9.Electricalwiring.......................................................................... 10
4.TESTRUN............................................................................................ 12
4.1.MakeaTESTRUNinaccordancewiththeinstallation
Manualfortheindoorunit.......................................................... 12
5.FINISHING........................................................................................... 12
5.1.Installinginsulation.................................................................... 12
6.PUMPDOWN....................................................................................... 12
En-2
2-7.Checkstotherefrigerationequipment
• Whereelectricalcomponentsarebeingchanged,theyshallbetforthepurpose
andtothecorrectspecication.
• Atalltimesthemanufacturer’smaintenanceandserviceguidelinesshallbefollowed.
• Ifindoubtconsultthemanufacturer’stechnicaldepartmentforassistance.
• Thefollowingchecksshallbeappliedtoinstallationsusingammablerefrigerants.
-Thechargesizeisinaccordancewiththeroomsizewithinwhichtherefrigerant
containingpartsareinstalled.
-Theventilationmachineryandoutletsareoperatingadequatelyandarenot
obstructed.
-Ifanindirectrefrigeratingcircuitisbeingused,thesecondarycircuitshallbe
checkedforthepresenceofrefrigerant.
-Markingtotheequipmentcontinuestobevisibleandlegible.Markingsandsigns
thatareillegibleshallbecorrected.
-Refrigerationpipeorcomponentsareinstalledinapositionwheretheyareunlikely
tobeexposedtoanysubstancewhichmaycorroderefrigerantcontainingcompo-
nents,unlessthecomponentsareconstructedofmaterialswhichareinherently
resistanttobeingcorrodedoraresuitablyprotectedagainstbeingsocorroded.
2-8.Checkstoelectricaldevices
• Repairandmaintenancetoelectricalcomponentsshallincludeinitialsafetychecks
andcomponentinspectionprocedures.
• Ifafaultexiststhatcouldcompromisesafety,thennoelectricalsupplyshallbe
connectedtothecircuituntilitissatisfactorilydealtwith.
• Ifthefaultcannotbecorrectedimmediatelybutitisnecessarytocontinueopera-
tion,anadequatetemporarysolutionshallbeused.
• Thisshallbereportedtotheowneroftheequipmentsoallpartiesareadvised.
• Initialsafetychecksshallinclude.
-Thatcapacitorsaredischarged:thisshallbedoneinasafemannertoavoid
possibilityofsparking.
-Thattherenoliveelectricalcomponentsandwiringareexposedwhilecharging,
recoveringorpurgingthesystem.
-Thatthereiscontinuityofearthbonding.
3.Repairstosealedcomponents
• Duringrepairstosealedcomponents,allelectricalsuppliesshallbedisconnected
fromtheequipmentbeingworkeduponpriortoanyremovalofsealedcovers,etc.
• Ifitisabsolutelynecessarytohaveanelectricalsupplytoequipmentduringservic-
ing,thenapermanentlyoperatingformofleakdetectionshallbelocatedatthe
mostcriticalpointtowarnofapotentiallyhazardoussituation.
• Particularattentionshallbepaidtothefollowingtoensurethatbyworkingon
electricalcomponents,thecasingisnotalteredinsuchawaythatthelevelof
protectionisaffected.
• Thisshallincludedamagetocables,excessivenumberofconnections,terminals
notmadetooriginalspecication,damagetoseals,incorrectttingofglands,etc.
• Ensurethatapparatusismountedsecurely.
• Ensurethatsealsorsealingmaterialshavenotdegradedsuchthattheynolonger
servethepurposeofpreventingtheingressofammableatmospheres.
• Replacementpartsshallbeinaccordancewiththemanufacturer’sspecications.
NOTE:Theuseofsiliconsealantmayinhibittheeffectivenessofsometypesofleak
detectionequipment.
Intrinsicallysafecomponentsdonothavetobeisolatedpriortoworkingon
them.
4.Repairtointrinsicallysafecomponents
• Donotapplyanypermanentinductiveorcapacitanceloadstothecircuitwithout
ensuringthatthiswillnotexceedthepermissiblevoltageandcurrentpermittedfor
theequipmentinuse.
• Intrinsicallysafecomponentsaretheonlytypesthatcanbeworkedonwhilelivein
thepresenceofaammableatmosphere.
• Thetestapparatusshallbeatthecorrectrating.
• Replacecomponentsonlywithpartsspeciedbythemanufacturer.
• Otherpartsmayresultintheignitionofrefrigerantintheatmospherefromaleak.
5.Cabling
• Checkthatcablingwillnotbesubjecttowear,corrosion,excessivepressure,vibra-
tion,sharpedgesoranyotheradverseenvironmentaleffects.
• Thecheckshallalsotakeintoaccounttheeffectsofagingorcontinualvibration
fromsourcessuchascompressorsorfans.
6.Detectionofammablerefrigerants
• Undernocircumstancesshallpotentialsourcesofignitionbeusedinthesearching
forordetectionofrefrigerantleaks.
• Ahalidetorch(oranyotherdetectorusinganakedame)shallnotbeused.
7.Leakdetectionmethods
• Electronicleakdetectorsshallbeusedtodetectammablerefrigerants,butthe
sensitivitymaynotbeadequate,ormayneedre-calibration.(Detectionequipment
shallbecalibratedinarefrigerant-freearea.)
• Ensurethatthedetectorisnotapotentialsourceofignitionandissuitableforthe
refrigerantused.
• LeakdetectionequipmentshallbesetatapercentageoftheLFLoftherefrigerant
andshallbecalibratedtotherefrigerantemployedandtheappropriatepercentage
ofgas(25%maximum)isconrmed.
• Leakdetectionuidsaresuitableforusewithmostrefrigerantsbuttheuseof
detergentscontainingchlorineshallbeavoidedasthechlorinemayreactwiththe
refrigerantandcorrodethecopperpipe-work.
• Ifaleakissuspected,allnakedamesshallberemoved/extinguished.
• Ifaleakageofrefrigerantisfoundwhichrequiresbrazing,alloftherefrigerantshall
berecoveredfromthesystem,orisolated(bymeansofshutoffvalves)inapartof
thesystemremotefromtheleak.
Oxygenfreenitrogen(OFN)shallthenbepurgedthroughthesystembothbefore
andduringthebrazingprocess.
Precautions for using R32 refrigerant
Thebasicinstallationworkproceduresarethesameasconventionalrefrigerant(R410A,
R22)models.
However,paycarefulattentiontothefollowingpoints:
WARNING
• Sincetheworkingpressureis1.6timeshigherthanthatofrefrigerantR22models,
someofthepipingandinstallationandservicetoolsarespecial.(See“2.1.Installation
tools”
.)
Especially,whenreplacingarefrigerantR22modelwithanewrefrigerantR32model,
alwaysreplacetheconventionalpipingandarenutswiththeR32andR410Apiping
andarenutsontheoutdoorunitside.
ForR32andR410A,thesamearenutontheoutdoorunitsideandpipecanbe
used.
• ModelsthatuserefrigerantR32andR410Ahaveadifferentchargingportthread
diametertopreventerroneouschargingwithrefrigerantR22andforsafety.There-
fore,checkbeforehand.[ThechargingportthreaddiameterforR32andR410Ais1/2
inch.]
• BemorecarefulthanR22sothatforeignmatter(oil,water,etc.)doesnotenterthe
piping.
Also,whenstoringthepiping,securelysealtheopeningbypinching,taping,etc.
(HandlingofR32issimilartoR410A.)
CAUTION
1.Installation(Space)
• Thattheinstallationofpipe-workshallbekepttoaminimum.
• Thatpipe-workshallbeprotectedfromphysicaldamage.
• Thatcompliancewithnationalgasregulationsshallbeobserved.
• Thatmechanicalconnectionsshallbeaccessibleformaintenancepurposes.
• Incasesthatrequiremechanicalventilation,ventilationopeningsshallbekept
clearofobstruction.
• Whendisposingoftheproductisused,bebasedonnationalregulations,properly
processed.
2.Servicing
2-1.Servicepersonnel
• Anypersonwhoisinvolvedwithworkingonorbreakingintoarefrigerantcircuit
shouldholdacurrentvalidcerticatefromanindustry-accreditedassessment
authority,whichauthorizestheircompetencetohandlerefrigerantssafelyinac-
cordancewithanindustryrecognisedassessmentspecication.
• Servicingshallonlybeperformedasrecommendedbytheequipmentmanufac-
turer.Maintenanceandrepairrequiringtheassistanceofotherskilledpersonnel
shallbecarriedoutunderthesupervisionofthepersoncompetentintheuseof
ammablerefrigerants.
• Servicingshallbeperformedonlyasrecommendedbythemanufacturer.
2-2.Work
• Priortobeginningworkonsystemscontainingammablerefrigerants,safety
checksarenecessarytoensurethattheriskofignitionisminimised.Forrepairto
therefrigeratingsystem,theprecautionsin2-2to2-8shallbecompliedwithprior
toconductingworkonthesystem.
• Workshallbeundertakenunderacontrolledproceduresoastominimizetherisk
ofaammablegasorvapourbeingpresentwhiletheworkisbeingperformed.
• Allmaintenancestaffandothersworkinginthelocalareashallbeinstructedonthe
natureofworkbeingcarriedout.
• Workinconnedspacesshallbeavoided.
• Theareaaroundtheworkspaceshallbesectionedoff.
• Ensurethattheconditionswithintheareahavebeenmadesafebycontrolofam-
mablematerial.
2-3.Checkingforpresenceofrefrigerant
• Theareashallbecheckedwithanappropriaterefrigerantdetectorpriortoanddur-
ingwork,toensurethetechnicianisawareofpotentiallyammableatmospheres.
• Ensurethattheleakdetectionequipmentbeingusedissuitableforusewitham-
mablerefrigerants,i.e.nonsparking,adequatelysealedorintrinsicallysafe.
2-4.Presenceofreextinguisher
• Ifanyhotworkistobeconductedontherefrigerationequipmentoranyassociated
parts,appropriatereextinguishingequipmentshallbeavailableathand.
• HaveadrypowderorCO2reextinguisheradjacenttothechargingarea.
2-5.Noignitionsources
• Nopersoncarryingoutworkinrelationtoarefrigerationsystemwhichinvolves
exposinganypipeworkthatcontainsorhascontainedammablerefrigerantshall
useanysourcesofignitioninsuchamannerthatitmayleadtotheriskofreor
explosion.
• Allpossibleignitionsources,includingcigarettesmoking,shouldbekeptsufcient-
lyfarawayfromthesiteofinstallation,repairing,removinganddisposal,during
whichammablerefrigerantcanpossiblybereleasedtothesurroundingspace.
• Priortoworktakingplace,theareaaroundtheequipmentistobesurveyedto
makesurethattherearenoammablehazardsorignitionrisks.“NoSmoking”
signsshallbedisplayed.
2-6.Ventilatedarea
• Ensurethattheareaisintheopenorthatitisadequatelyventilatedbeforebreak-
ingintothesystemorconductinganyhotwork.
• Adegreeofventilationshallcontinueduringtheperiodthattheworkiscarriedout.
• Theventilationshouldsafelydisperseanyreleasedrefrigerantandpreferably
expelitexternallyintotheatmosphere.
En-3
CAUTION
8.Removalandevacuation
• Whenbreakingintotherefrigerantcircuittomakerepairs–orforanyother
purpose–conventionalproceduresshallbeused.
However,itisimportantthatbestpracticeisfollowedsinceammabilityisa
consideration.
Thefollowingprocedureshallbeadheredto:
• removerefrigerant
• purgethecircuitwithinertgas
• evacuate
• purgeagainwithinertgas
• openthecircuitbycuttingorbrazing
• Therefrigerantchargeshallberecoveredintothecorrectrecoverycylinders.
• Thesystemshallbe“ushed”withOFNtorendertheunitsafe.
• Thisprocessmayneedtoberepeatedseveraltimes.
• Compressedairoroxygenshallnotbeusedforthistask.
• FlushingshallbeachievedbybreakingthevacuuminthesystemwithOFNand
continuingtolluntiltheworkingpressureisachieved,thenventingtoatmosphere,
andnallypullingdowntoavacuum.
• Thisprocessshallberepeateduntilnorefrigerantiswithinthesystem.
• WhenthenalOFNchargeisused,thesystemshallbeventeddowntoatmo-
sphericpressuretoenableworktotakeplace.
• Thisoperationisabsolutelyvitalifbrazingoperationsonthepipeworkaretotake
place.
• Ensurethattheoutletforthevacuumpumpisnotclosetoanyignitionsourcesand
thereisventilationavailable.
9.Chargingprocedures
• Inadditiontoconventionalchargingprocedures,thefollowingrequirementsshall
befollowed.
-Ensurethatcontaminationofdifferentrefrigerantsdoesnotoccurwhenusing
chargingequipment.
-Hosesorlinesshallbeasshortaspossibletominimizetheamountofrefriger-
antcontainedinthem.
-Cylindersshallbekeptupright.
-Ensurethattherefrigerationsystemisearthedpriortochargingthesystemwith
refrigerant.
-Labelthesystemwhenchargingiscomplete(ifnotalready).
-Extremecareshallbetakennottooverlltherefrigerationsystem.
• PriortorechargingthesystemitshallbepressuretestedwithOFN.
• Thesystemshallbeleaktestedoncompletionofchargingbutpriortocommis-
sioning.
• Afollowupleaktestshallbecarriedoutpriortoleavingthesite.
10.Decommissioning
• Beforecarryingoutthisprocedure,itisessentialthatthetechnicianiscompletely
familiarwiththeequipmentandallitsdetails.
• Itisrecommendedgoodpracticethatallrefrigerantsarerecoveredsafely.
• Priortothetaskbeingcarriedout,anoilandrefrigerantsampleshallbetakenin
caseanalysisisrequiredpriortore-useofreclaimedrefrigerant.
• Itisessentialthatelectricalpowerisavailablebeforethetaskiscommenced.
a)Becomefamiliarwiththeequipmentanditsoperation.
b)Isolatesystemelectrically.
c)Beforeattemptingtheprocedureensurethat:
• mechanicalhandlingequipmentisavailable,ifrequired,forhandlingrefrig-
erantcylinders;
• allpersonalprotectiveequipmentisavailableandbeingusedcorrectly;
• therecoveryprocessissupervisedatalltimesbyacompetentperson;
• recoveryequipmentandcylindersconformtotheappropriatestandards.
d)Pumpdownrefrigerantsystem,ifpossible.
e)Ifavacuumisnotpossible,makeamanifoldsothatrefrigerantcanbere-
movedfromvariouspartsofthesystem.
f)Makesurethatcylinderissituatedonthescalesbeforerecoverytakesplace.
g)Starttherecoverymachineandoperateinaccordancewithmanufacturer’s
instructions.
h)Donotoverllcylinders.(Nomorethan80%volumeliquidcharge).
i)Donotexceedthemaximumworkingpressureofthecylinder,eventemporarily.
j)Whenthecylindershavebeenlledcorrectlyandtheprocesscompleted,make
surethatthecylindersandtheequipmentareremovedfromsitepromptlyand
allisolationvalvesontheequipmentareclosedoff.
k)Recoveredrefrigerantshallnotbechargedintoanotherrefrigerationsystem
unlessithasbeencleanedandchecked.
11.Labelling
• Equipmentshallbelabelledstatingthatithasbeende-commissionedandemptied
ofrefrigerant.
• Thelabelshallbedatedandsigned.
• Ensurethattherearelabelsontheequipmentstatingtheequipmentcontainsam-
mablerefrigerant.
12.Recovery
• Whenremovingrefrigerantfromasystem,eitherforservicingordecommissioning,
itisrecommendedgoodpracticethatallrefrigerantsareremovedsafely.
• Whentransferringrefrigerantintocylinders,ensurethatonlyappropriaterefrigerant
recoverycylindersareemployed.
• Ensurethatthecorrectnumberofcylindersforholdingthetotalsystemchargeare
available.
• Allcylinderstobeusedaredesignatedfortherecoveredrefrigerantandlabelled
forthatrefrigerant(i.e.specialcylindersfortherecoveryofrefrigerant).
• Cylindersshallbecompletewithpressurereliefvalveandassociatedshut-off
valvesingoodworkingorder.
• Emptyrecoverycylindersareevacuatedand,ifpossible,cooledbeforerecovery
occurs.
• Therecoveryequipmentshallbeingoodworkingorderwithasetofinstructions
concerningtheequipmentthatisathandandshallbesuitablefortherecoveryof
ammablerefrigerants.
• Inaddition,asetofcalibratedweighingscalesshallbeavailableandingoodwork-
ingorder.
• Hosesshallbecompletewithleak-freedisconnectcouplingsandingoodcondition.
• Beforeusingtherecoverymachine,checkthatitisinsatisfactoryworkingorder,
hasbeenproperlymaintainedandthatanyassociatedelectricalcomponentsare
sealedtopreventignitionintheeventofarefrigerantrelease.
Consultmanufacturerifindoubt.
• Therecoveredrefrigerantshallbereturnedtotherefrigerantsupplierinthecorrect
recoverycylinder,andtherelevantWasteTransferNotearranged.
• Donotmixrefrigerantsinrecoveryunitsandespeciallynotincylinders.
• Ifcompressorsorcompressoroilsaretoberemoved,ensurethattheyhavebeen
evacuatedtoanacceptableleveltomakecertainthatammablerefrigerantdoes
notremainwithinthelubricant.
• Theevacuationprocessshallbecarriedoutpriortoreturningthecompressorto
thesuppliers.
• Onlyelectricheatingtothecompressorbodyshallbeemployedtoacceleratethis
process.
• Whenoilisdrainedfromasystem,itshallbecarriedoutsafely.
Explanationofsymbolsdisplayedontheindoorunitoroutdoorunit.
WARNING
Thissymbolshowsthatthisequipmentusesaammable
refrigerant.Iftherefrigerantisleaked,togetherwithan
externalignitionsource,thereisapossibilityofignition.
CAUTION ThissymbolshowsthattheOperationManualshouldbe
readcarefully.
CAUTION
Thissymbolshowsthataservicepersonnelshouldbe
handlingthisequipmentwithreferencetotheInstallation
Manual.
CAUTION Thissymbolshowsthatthereisinformationincludedinthe
OperationManualand/orInstallationManual.
2. PRODUCT SPECIFICATION
2.1. Installation tools
WARNING
• ToinstallaunitthatusesR32refrigerant,usededicatedtoolsandpipingmaterialsthat
havebeenmanufacturedspecicallyforR32(R410A)use.Becausethepressureof
R32refrigerantisapproximately1.6timeshigherthanR22,failuretousededicated
pipingmaterialorimproperinstallationcancauseruptureorinjury.Furthermore,itcan
causeseriousaccidentssuchaswaterleakage,electricshock,orre.
• Donotuseavacuumpumporrefrigerantrecoverytoolswithaseriesmotor,sinceit
mayignite.
Tool name Contents of change
Gaugemanifold Pressureishighandcannotbemeasuredwithaconventional
(R22)gauge.Topreventerroneousmixingofotherrefriger-
ants,thediameterofeachporthasbeenchanged.
Itisrecommendedthegaugewithseals-0.1to5.3MPa
(-1to53bar)forhighpressure.-0.1to3.8MPa(-1to38bar)
forlowpressure.
Chargehose Toincreasepressureresistance,thehosematerialandbase
sizewerechanged.(R32/R410A)
Vacuumpump Aconventionalvacuumpumpcanbeusedbyinstallinga
vacuumpumpadapter.
(Useofavacuumpumpwithaseriesmotorisprohibited.)
Gasleakagedetector SpecialgasleakagedetectorforHFCrefrigerantR32/R410A.
■ Copper pipes
Itisnecessarytouseseamlesscopperpipesanditisdesirablethattheamountofresidual
oilislessthan40mg/10m.Donotusecopperpipeshavingacollapsed,deformedor
discoloredportion(especiallyontheinteriorsurface).Otherwise,theexpansionvalveor
capillarytubemaybecomeblockedwithcontaminants.
AsanairconditionerusingR32(R410A)incurspressurehigherthanwhenusingconven-
tionalrefrigerant,itisnecessarytochooseadequatematerials.

Produktspecifikationer

Varumärke: Fujitsu
Kategori: Luftkonditionering
Modell: AOYG14KBTA2

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