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Beforeusingyourairconditioner,pleaseread
thismanualcarefullyandkeepitforfuturereference.
ROOMAIRCONDITIONER
Pleasereadthisinstallationmanualcompletely
beforeinstallingtheproduct.
Ifthepowercordisdamaged,replacementwork
shallbeperformedbyauthorisedpersonnelonly.
Installationworkmustbeperformedinaccordance
withthenationalwiringStandardsbyauthorised
personnelonly.
Contactanauthorisedservicetechnicianfor
repair,maintenanceorinstallationofthisunit.
INVERTERONE-TWO/ONE-THREE
/ONE-FOUR/ONE-FIVESPLIT-TYPE
MODELMMD2-18HDI
MMD3-27HDI
1
CONTENTS
SAFETYPRECAUTIONS
Warning...........................................................................................................................................2
Caution............................................................................................................................................2
INSTALLATIONINSTRUCTIONS
Selectinginstallationplace...............................................................................................................3
Wall-mountedtype...........................................................................................................................3
Accessories.........................................................................................................4
Four-waycassettetype................................................................................................................9
Duct&Ceilingtype.......................................................................................................................12
CeilingandFloortype....................................................................................................................16
FloorandStandingtype(Console)..................................................................................................19
Outdoorunitinstallation................................................................................................................23
REFRIGERANTPIPECONNECTION
Refrigerantpipeconnection..........................................................................................................24
Insideyouwillfindmanyhelpfulhintsonhowtoinstallandtesttheairconditionerproperly.
Contactanauthorisedservicetechnicianforrepairormaintenanceofthisunit.
Contactanauthorisedinstallerforinstallationofthisunit.
Theairconditionerisnotintendedforusebyyoungchildrenorinfirmedpersonswithoutsupervision.
Youngchildrenshouldbesupervisedtoensurethattheydonotplaywiththeairconditioner.
Ifthepowercordistobereplaced,replacementworkshallbeperformedbyauthorisedpersonnelonly.
InstallationworkmustbeperformedinaccordancewiththenationalwiringStandardsbyauthorised
personnelonly.
Alltheillustrationsandspecificationsinthemanualaresubjecttochangewithoutpriornoticeforproduct
improvement.Theactualshapeshouldprevail.
CAUTION
ReadThisManual
ELECTRICALWORK
Electricalwork.............................................................................................................................25
TESTRUNNING
Testrunning..................................................................................................................................30
AIRPURGING
Airpurgingwithvacuumpump.....................................................................................................27
Safetyandleakagecheck............................................................................................................29
2
SAFETYPRECAUTIONS
WARNING
ReadthefollowSAFETYPRECAUTIONScarefullybeforeinstallation.
Electricalworkmustbeinstalledbyalicensedelectrician.Besuretousethecorrectrating
ofthepowerplugandmaincircuitforthemodeltobeinstalled.
Incorrectinstallationduetoignoringoftheinstructionwillcauseharmordamage.
Theseriousnessisclassifiedbythefollowingindications.
Thissymbolindicatesthepossibilityofdeathorseriousinjury.
Theitemstobefollowedareclassifiedbythesymbols:
SymbolwithbackgroundwhitedenotesitemthatisPROHIBITEDfromdoing.
CAUTION
Thissymbolindicatesthepossibilityofinjuryordamagetoproperty.
WARNING
1)Engagedealerorspecialistforinstallation.Ifinstallationdonebytheuserisdefective,itwillcausewater
leakage,electricalshockfire.
2)Installaccordingtothisinstallationinstructionsstrictly.Ifinstallationisdefective,itwillcausewater
leakage,electricalshockfire.
3)Usetheattachedaccessoriespartsandspecifiedpartsforinstallation.otherwise,itwillcausethesettofall,
waterleakage,electricalshockfire.
4)Installatastrongandfirmlocationwhichisabletowithstandthesetsweight.Ifthestrengthisnotenough
orinstallationisnotproperlydone,thesetwilldropandcauseinjury.
,
5)Forelectricalwork,followthelocalnationalwiringstandard,regulationandthisinstallationinstructions.An
independentcircuitandsingleoutletmustbeused.Ifelectricalcircuitcapacityisnotenoughordefectfound
inelectricalwork,itwillcauseelectricalshockfire.
6)Usethespecifiedcableandconnecttightlyandclampthecablesothatnoexternalforcewillbeactedon
theterminal.Ifconnectionorfixingisnotperfect,itwillcauseheat-uporfireattheconnection.
7)Wiringroutingmustbeproperlyarrangedsothatcontrolboardcoverisfixedproperly.Ifcontrolboardcover
isnotfixedperfectly,itwillcauseheat-upatconnectionpointofterminal,fireorelectricalshock.
8)Whencarryingoutpipingconnection,takecarenottoletairsubstancesotherthanthespecified
refrigerantgointorefrigerationcycle.Otherwise,itwillcauselowercapacity,abnormalhighpressure
intherefrigerationcycle,explosionandinjury.
9)Donotmodifythelengthofthepowersupplycordoruseofextensioncord,anddonotsharethe
singleoutletwithotherelectricalappliances.Otherwise,itwillcausefireorelectricalshock.
CAUTION
1)Thisequipmentmustbeearthedandinstalledwithearthleakagecurrentbreaker.Itmaycauseelectrical
shockifgroundingisnotperfect.
2)Donotinstalltheunitatplacewhereleakageofflammablegasmayoccur.Incasegasleaksand
accumulatesatsurroundingoftheunit,itmaycausefire.
3)Carryoutdrainagepipingasmentionedininstallationinstructions.Ifdrainageisnotperfect,water
mayentertheroomanddamagethefurniture.
3
Selectinginstallationplace
Readcompletely,thenfollowstepbystep.
Indoorunit
Donotexposetheindoorunittoheatorsteam.
Selectaplacewheretherearenoobstacles
infrontoraroundtheunit.
Makesurethatcondensationdrainagecan
beconvenientlyroutedaway.
Donotinstallnearadoorway.
Ensurethatthespaceontheleftandright
oftheunitismorethan12cm.
Useastudfindertolocatestudstopreventunnecessarydamagetothewall.
Theindoorunitshouldbeinstalledonthewallataheightof2.0metresormorefromthefloor.
Theindoorunitshouldbeinstalledallowingaminimumclearanceof15cmfromtheceiling.
Anyvariationsinpipelengthwill/mayrequireadjustmenttorefrigerantcharge.
Thereshouldnotbeanydirectsunlight.Otherwise,thesunwillfadetheplasticcabinetand
affectitsappearance.Ifunavoidable,sunlightpreventionshouldbetakenintoconsideration.
Outdoorunit
Ifanawningisbuiltovertheoutdoorunitto
preventdirectsunlightorrainexposure,
makesurethatheatradiationfromthe
condenserisnotrestricted.
Ensurethattheclearancearoundtheback
oftheunitismorethan30cm
.Thefrontoftheunitshould
havemorethan200cmofclearanceandthe
connectionside(rightside)shouldhavemore
than60cmofclearance.
Donotplaceanimalsandplantsinthepathoftheairinletoroutlet.
Taketheairconditionerweightintoaccountandselectaplacewherenoiseandvibration
willnotbeanissue.
Selectaplacesothatthewarmairandnoisefromtheairconditionerdonotdisturbneighbors.
Iftheoutdoorunitisinstalledonaroofstructure,besuretoleveltheunit.
Ensuretheroofstructureandanchoringmethodareadequatefortheunitlocation.
Consultlocalcodesregardingrooftopmounting.
Iftheoutdoorunitisinstalledonroofstructuresorexternalwalls,thismayresultin
excessivenoiseandvibration,andmayalsobeclassedasanonserviceableinstallation.
andleftsideis
morethan30cm
Rooftopinstallation:
INSTALLATIONINSTRUCTIONS
Fig.2
Fig.1
1.Wall-mountedtype
4
Accessories
INSTALLATIONINSTRUCTIONS
Note: Excepttheabovepartsprovided,theotherpartsneededduringinstallationyoumust
purchase.
Partsyoumustpurchase
Consultthetechnician
forthepropersize.
6.35
9.53
12.7
6
2
Self-tappingScrewBST2.9X10
Remotecontroller
InstallationPlate
NameofAccessories
Self-tappingScrewAST3.9X25
Seal(forcooling&heatingmodelsonly)
DrainJoint
Magneticring
Transferconnector
()
(Pipesizedifferfromappliancetoappliance.
Tomeetdifferentpipesizerequirement,sometimes
thepipeconnectionsneedthetransferconnector
toinstallontheoutdoorunit.)
NOTE:
Packedwiththeindoorunit
Connecting
pipe
Assembly
Liquidside
PlasticExpansionSheath
Number
Qty/oneunit
Gasside
7
Remotecontrollerholder
1
(forcooling&heatingmodelsonly)
1
5-8
(dependingonmodels)
5-8
(dependingonmodels)
1
1
1
1-4
(onsomemodels)
1
5
4
9
11
10
8
3
2
1
Levelgauge
Screwdriver
Electricdrill,Holecoredrill(65φ mm)
Flaringtoolset
Specifiedtorquewrenches:1.8kgf.m,4.2kgf.m,
5.5kgf.m,6.6kgf.m(differentdependingonmodelNo.)
Spanner(halfunion)
Hexagonalwrench(4mm)
Gas-leakdetector
Toolsneededforinstallation:
Vacuumpump
Gaugemanifold
Usersmanual
Thermometer
Multimeter
Pipecutter
Measuringtape
Optional
parts
Thisillustrationisforexplanationpurposesonly.
Theactualshapeofyouraircondtionermaybe
slightlydifferent.
Copperlinesmustbeinsulatedindependently
Useastudfindertolocatestudstoprevent
unnecessarydamagetothewall.
Aminimumpiperunof3metresisrequired
tominimisevibration&excessivenoise.
TwooftheA,BandCdirectionsshouldbe
freefromobstructions.
CAUTION
INSTALLATIONINSTRUCTIONS
5
CAUTIONS
One-Two
One-Three
One-Four
One-Five
Remote
controller
Remote
controller
Remote
controller
Remote
controller
Morethan15cm
Remote
controller
A
B
C
Airout
Loopa
connective
cable
1
2
3
4
5
6
Fig.3
6
INSTALLATIONINSTRUCTIONS
Fig.4
Correctorientation
ofInstallationPlate
Wall
Indoor
Outdoor
Fig.6
Fig.5
Indoorunitinstallation(wall-mountedtype)
2.Drillaholeinthewall
Note:
1.FittheInstallationPlate
1.Fittheinstallationplatehorizontally
onstructuralpartsofthewallwith
spacesaroundtheinstallationplate.
2.Ifthewallismadeofbrick,concrete
orthelike,drilleight(8)5mmdiameter
holesinthewall.InsertClipanchorfor
appropriatemountingscrews.
3.Fittheinstallationplateonthewall
witheight(8)type A screws.
FittheInstallationPlateanddrill
holesinthewallaccordingtothe
wallstructureandcorresponding
mountingpointsontheinstallation
plate.TheInstallationPlatemaybe
slightlydifferentaccordingtothe
differentmodelsofindoorunit.
(Dimensionsarein mm unless
otherwisestated)
1.Determineholepositionsaccording
tothediagramdetailedinFig.5.Drill
one(1)hole(65mm)slantingslightly
tooutdoorside.
2.Alwaysusewallholeconduitwhen
drillingmetalgrid,metalplateorthelike.
φ
3.ConnectivePipeandDrainage
Installation
1.Runthedrainhoseslopingdownward.
Donotinstallthedrainhoseas
illustratedinFig.7.
Drainage
Fig.7
Donotblockwaterflowbyarise.
Donotputtheendof
drainhoseintowater.
150mmormoretoceiling
Indoorunitoutline
Installationplate
Rightrearside
refrigerant
pipehole65
φ
Leftrearside
refrigerant
pipehole65
φ
120mmor
moretowall
120mmor
moretowall
918
190
150
A
Rightrearside
refrigerant
pipehole65
φ
Installationplate
Indoorunitoutline
Leftrearside
refrigerant
pipehole65
φ
150mmormoretoceiling
120mmor
moretowall
120mmor
moretowall
ModelA(A:710,B:250,C:100,D:110)
ModelA(A:710,B:250,C:100,D:110)
ModelA(A:920,B:293,C:150,D:185)
ModelB()A:790,B:265,C:100,D:150
ModelB()A:790,B:275,C:100,D:85
ModelC()A:850,B:290,C:100,D:115
ModelB()A:995,B:293,C:150,D:200
ModelC()A:850,B:305,C:150,D:145
C
D
7
INSTALLATIONINSTRUCTIONS
1.Fortheleft-handandright-handpiping,
removethepipecoverfromtheside
panel.
2.Fortherear-right-handandrear-left-hand
piping,installthepipingasshowninFig.10.
3.Fixtheendoftheconnectivepipe.(Refer
toTighteningConnectioninREFRIGERANT
PIPINGCONNECTION)
Connectivepipeinstallation
2.Whenconnectingextensiondrainhose,
insulatetheconnectingpartofextension
drainhosewithashieldpipe,donotlet
thedrainhoseslack.
Right-handpiping
Left-handpiping
Rear-rightpiping
Rear-leftpiping
Fig.8
Fig.9
Fig.10
4.Pipingandwrapping
Bundlethetubing,connectingcable,anddrain
hosewithtapesecurely,evenlyasshownin
Fig.11.
Becausethecondensedwaterfromrearofthe
indoorunitisgatheredinpondingboxandis
pipedoutofroom.Donotputanythingelsein
thebox.
Indoorunit
Connective
pipe
Piperoom
Pondingbox
Wrappingbelt
Connective
cable
Drainhose
Fig.11
Connecttheindoorunitfirst,thenthe
outdoorunit.
Donotallowthepipingtoletoutfrom
thebackoftheindoorunit.
Becarefulnottoletthedrainhoseslack.
Heatinsulatedbothoftheauxiliarypiping.
Besurethatthedrainhoseislocatedat
thelowestsideofthebundle.Locating
attheuppersidecancausedrainpan
tooverflowinsidetheunit.
Neverintercrossnorintertwistthepower
wirewithanyotherwiring.
Runthedrainhoseslopeddownwardto
drainoutthecondensedwatersmoothly.
CAUTION
8
INSTALLATIONINSTRUCTIONS
Fig.12
1.Passthepipingthroughtheholeinthe
wall.
2.Puttheupperclawatthebackofthe
indoorunitontheupperhookofthe
installationplate,movetheindoorunit
fromsidetosidetoseethatitissecurely
hooked(seeFig.12).
3.Pipingcaneasilybemadebyliftingthe
indoorunitwithacushioningmaterial
betweentheindoorunitandthewall.
Getitoutafterfinishpiping.
4.Pushthelowerpartoftheindoorunitup
onthewall,thenmovetheindoorunit
fromsidetoside,upanddowntocheck
ifitishookedsecurely.
4.Indoorunitinstallation
(R410A)
Max.50m
(R407c/R22)
Max.10m
Max.5m
(R410A)
(R407c/R22)
10.5KW
7
2.Four-waycassettetype
1.Decidethecorrectcarry-inpath.
2.Movethisunitasoriginallypackagedaspossible.
3.Iftheairconditionerisinstalledonametalpart
ofthebuilding,itmustbeelectricallyinsulated
accordingtotherelevantelectricalcode.
4.Ifinstallinginalonelybuildingoratahighposition
whereitishotandhumidwithfrequentthunder-
storm,lightning-protectionequipmentisnecessary.
Notesbeforeinstallation
1.Installthemainbody
A.Theexistingceiling(tobehorizontal)
a.Pleasecutaquadrangularholeof600600mm
intheceilingaccordingtotheshapeofthe
installationpaperboard.(RefertoFig.15&16)
Thecenteroftheholeshouldbeatthesame
positionofthatoftheairconditionerbody.
Determinethelengthsandoutletsoftheconn-
ectingpipe,drainpipeandcables.
Tobalancetheceilingandtoavoidvibration,
pleaseenforcetheceilingwhennecessary.
b.Pleaseselectthepositionofinstallationhooks
accordingtothehookholesontheinstallation
board.
Drillfourholesof12mm,50~55mmdeepatthe
selectedpositionsontheceiling.Thenembed
theexpansiblehooks(fittings).
Facetheconcavesideoftheinstallationhooks
towardtheexpansiblehooks.Determinethe
lengthoftheinstallationhooksfromtheheight
ofceiling,thencutofftheunnecessarypart.
Iftheceilingisextremelyhigh,pleasedetermine
thelengthoftheinstallationhookaccordingto
facts.
Cuttheinstallationhookopeninthemiddle
position,thenuseapropriatelengthofreinforcing
rod(12)toweldtogether.
×
Indoorunitinstallation
9
INSTALLATIONINSTRUCTIONS
Pleasecheckwhetherthefollowingfittingsareoffullscope.Iftherearesomeattachedfittingsfree
fromuse,pleaserestorethemcarefully.
InstallationFittings
Tubing&Fittings
1.Expansiblehook.................................4
2.Installationhook.................................4
3.Installationpaperboard.....................1
4.BoltM612.....................4
×
M516or
×
Attachedfittings
6
.Connectingpipegroup.........................1
8.Soundproof/insulationsheath.............2
7.Bindingtape.........................................6
Remotecontroller&ItsFrame
9.Remotecontroller...........................1
10.Frame.............................................1
11.Mountingscrew(ST2.910-C-H)...2
×
12.Alkalinedrybatteries(AM4)............2
5.Magneticring..........................................1
Fig.13
Fig.14
Ground
OutletOutlet Inlet
>1000
>1000
Fig.15
Drainside
A
422 28.5
611(Hooklocation)
580(Body)
600(Ceilinghole)
650(Panel)
(onsomemodels)
10
INSTALLATIONINSTRUCTIONS
ThelengthcouldbecalculatedfromFig.17:
Length=210+L(ingeneral,Lishalfofthewhole
lengthoftheinstallationhook)
c.Pleaseadjustthehexangularnutsonthefour
installationhooksevenly,toensurethebalance
ofthebody.
Usethetransparenthosefilledwithwatertocheck
theleverofthemainbodyfromthefoursidesor
diagonallinedirection,theleverindicatoralso
canchecktheleverfromfoursidesofthemain
bodyRefertoFig.18)
Ifthedrainpipeisawry,leakagewillbecaused
bythemalfunctionofthewater-levelswitch.
Adjustthepositiontoensurethegapsbetween
thebodyandthefoursidesofceilingareeven.
Thebody'slowerpartshouldsinkintotheceiling
for10~12mm(RefertoFig.17).
Locatetheairconditionerfirmlybywrenchingthe
nutsafterhavingadjustedthebody'spositionwell.
.(
2.InstallThePanel
(1)Removetheinletgrid.
CAUTIONS
Neverputthepanelfacedownonflooror
againstthewall,oronbulgyobjects.
Nevercrashorstrikeit.
a.Slidetwogridswitchestowardthemiddle
atthesametime,andthenpullthemup.
(RefertoFig.21)
b.Drawthegriduptoanangleofabout30,
andremoveit.(RefertoFig.22)
o
Newbuilthousesandceilings
a.Inthecaseofnewbuilthouse,thehookcanbe
embeddedinadvance(refertotheA.bmentioned
above).Butitshouldbestrongenoughtobearthe
indoorunitandwillnotbecomeloosebecauseof
concreteshrinking.
b.Afterinstallingthebody,pleasefastentheinstall-
ationpaperboardontotheairconditionerwithbolts
(M516)todetermineinadvancethesizesand
positionsoftheholeopeningonceiling.Please
,firstguaranteetheflatnessandhorizontalofceiling
wheninstallingit.RefertotheA.amentioned
aboveforothers.
c.RefertotheA.cmentionedaboveforinstallation.
d.Removetheinstallationpaperboard.
×
Fig.16
Ceiling
Panel
Hook
A
Nut
Body
600
Fig.17
Ceiling
Body
Fig.18
Fig.19
Colourless
transparentpipe
Horizontal
indicator
Fig.20
Body
Fixinghole
Installation
paperboard
ScrewM516
×
(Accessory)
Installation
paperboard
Hookhole
Centralhole
Gridswitch
Fig.21
Fig.22
11
INSTALLATIONINSTRUCTIONS
(2)Installthepanel
(3)Hangtheair-ingridtothepanel,thenconnect
theleadterminatoroftheswingmotorandthat
ofthecontrolboxwithcorrespondingterminators
onthebodyrespectively.
(4)Relocatetheair-ingridintheprocedureof
reversedorder,installtheair-ingrid.
CAUTIONS:
a.Aligntheswingmotoronthepaneltothewater
receiverofthebodyproperly.(RefertoFig.23)
b.Hangthefourfixedropeofthemainbodytothe
installationcoverandtheotherthreecoversof
theswingmotor:(RefertoFig.23)
c.Installthepanelonthemainbodywithbolt(M516)
andwasher.(RefertoFig.23)
d.Adjustthefourpanelhookscrewstokeepthepanel
horizontal,andscrewthemuptotheceilingevenly.
e.Regulatethepanelinthedirectionofthearrowin
Fig.11slightlytofitthepanel'scentertothecenter
oftheceiling'sopening.Guaranteethathooksof
fourcornersarefixedwell.
f.Keepfasteningthescrewsunderthepanelhooks,
untilthethicknessofthespongebetweenthebody
andthepanel'soutlethasbeenreducedtoabout
4~6mm.Theedgeofthepanelshouldcontactwith
theceilingwell.(RefertoFig.24)Malfunction
describedinFig.25canbecausedbyinappropriate
tightnessthescrew.Ifthegapbetweenthepanel
andceilingstillexistsafterfasteningthescrews,the
heightoftheindoorunitshouldbemodifiedagain.
Youcanmodifytheheightoftheindoorunitthrough
theopeningsonthepanel'sfourcorners,iftheliftof
theindoorunitandthedrainpipeisnotinfluenced
(refertoFig.26-right).
×
Theinstallationcoveroftheswingmotormustsink
intothecorrespondingwaterreceiver.
.
.
Cover
Steelrope
Swingmotorside
Swingmotorinstallationcover
Drainside
Fig.23
Bolt,washer
2
4
3
1
Body
Panelfoam2Ceiling
Panelfoam
Airplate
Panel Panelfoam1
Panelsealingfoam
Inletair
Outletair
Fig.24
Ceiling Leakage
Dew
Fig.25
Hexagonnut
Ceiling
Horizontaladjustment
Fig.26
12
INSTALLATIONINSTRUCTIONS
3.Duct&Ceilingtype
Installationprecautions
1.Determinethemovingroute.
2.Movetheunitinoriginalstate.
3.Makesuretodoelectricinsulationaccordingtorelevantelectricstandard
incasetheunitisinstalledonmetalpartofbuilding.
Indoorunitinstallation
Refrigerant
pipe
Airoutlet
Airreturnbox
Direction
A
<500mm
Duct
>100mm
>200mm
>250mm
<3m
<1000mm
4.Pleasekeepawayfromthefollowingplaces,ormalfunctionmaybecaused.
(ifunavoidable,pleaseconsulttheprofessionals):
A.Thereismineraloilliketheoilofcuttingmachine.
B.Thereismuchsaltyair.(Nearthecoast)
C.Thereiscausticgassuchassulfuricgas.(Nearthehotspring.)
D.Factorywherethevoltagefluctuategreatly.
E.Inthecarorinthecabin.
F.Inthekitchenoraplacefullofoilsteam..
G.Thereisstrongelectromagneticwave.
H.Thereiscombustiblegasormaterials.
I.Thereismuchevaporatingacidoralkalinegas.
J.Otherspecialareas.
Enoughroomforinstallationandmaintenance.
Theceilingishorizontalanditcanaffordtheweightoftheindoorunit.
Theairinletandoutletarenotimpededanddoesnotaffectedbyoutdoorairtoomuch.
Theairflowcanreacheverypartoftheroom.
Theconnectingpipeanddrainpipecanbeeasilyextractedout.
Thereisnodirectradiationfromheatsource.
Installationlocation
Airreturnbox
Airreturnbox
Airoutlet
Direction
A
Function
Insulationpipe
Remotecontroller
Bigwasher
Constrictionbandage
Wateroutletjoint(forcool/heattypeonly)
Name Qty.NO
Outline
1
2
3
4
5
6
7
8
2
1
8
Pipejointheatinsulation
Overhangindoorunit
Bindinginsulationpipe
Remotecontrolairconditioner
9
10
Gasket(forcool/heattypeonly)
Coppernut
10
1
1
2
Connectingpipe
Outdoorunitdrainage
Drainhose
1
Indoorunitdrainage
Outdoorunitdrainage
7#Alkalinebattery
Remotesignalreceiversubassembly
1
1
Accessories
Magneticring
11
1
13
INSTALLATIONINSTRUCTIONS
DeterminethelocationofhangingscrewboltfollowingFig.33.
Fig.27
Fig.28
Fig.30
Fig.29
Installationofunit
Install10(4pieces)hangingscrewbolt
φ
Makesuretousethehangingscrewboltof10.
φ
Thetreatmenttotheceilingvariesfromconstruction;pleaseconsulttheprofessionalsfordetails.
1)Treatmenttoceiling---makesuretoconsolidatetheroofbeamforpossiblevibrationtokeeptheceilinghorizontal.
2)Pleasecutofftheroofbeam.
3)Reinforcetheplacethatiscutoffandconsolidatetheroofbeam.
Carryoutconnectionofpipingandwiringinsidetheceiling.
Determinethepipingdirection.Especiallyinthecaseofexistingceiling,pleasepullthewiretotheconnectionplacebefore
overhangingtheunit.
Installthehangingboltinfollowingdifferentsituation:
Timberoverthebeam
(
)
Bladeshape
insertion
()
Slideinsertion
Installwithinsertionorembeddingscrew.
Woodenstructure
Newconcretebricks
Putatimberacrossthebeamsandinstall
thebolts.
Hangingscrewbolts
Ceiling
Roofbeam
Steelbar
(Pipehanging
andembedding
screwbolt)
Originalconcretebricks
Installthehanginghookwithexpansible
boltintotheconcrete.
Steelroofbeamstructre
Installthesupportinganglesteel.
Hangingscrewbolt
Hangingbolts
Supportinganglsteele
Overhangtheunit
Fig.31
Hangingscrewbolt
Nut(upside)
Installationear
Nut(underside)
Washer(upside)
Washer(underside)
Installthehangingscrewbolttothe
U-shapedslotofinstallationear.
Overhangtheindoorunitandmeasure
theleveldegreeofunitwithagradienter.
Fastenthenut
Gradienter
Fig.32
Fastenandfixtheupsidenut.
14
INSTALLATIONINSTRUCTIONS
Air-ingrille Airinlet
Fig.34a
Fig.33
Thepositionofhangingbolts
25
C
D
Airoutlet(onside)
Airoutletsketchmap
380
220
175
Wateroutlet
Φ
25
Refrigerantpipingjoint
gasside
()
A
B
Freshairinlet
Ceiling
>500mm
>500mm
148
A
B
Φ100
Refrigerantpipingjoint
(gasside)
Air-ingrille
Airinlet
Fig.34b
AirInletPanelofAirReturnBox
Maketheairinletgrilleandairinletdirection
inparallelasshowninFig.34a.
Fig.34bisincorrect,whichmaycauseloudnoise.
CAUTION
Drainpipeinstallation
Piping,insulationmaterial
Drainage
Heatinsulation
Piping
Insulationmaterial
HardPVCpipe
Cellularpolyethylene,thickerthan6mm
Pleasedoheatinsulationonpipingjoint.
Bindthecontactinsulationpartbetweenthe
unitandinstallationlocationwithbandage.
1. Indoorunitdrainpipeinstallation
Fig.35
Fig.36
HardPVCpipe
Heatinsulation
material
Heatinsulation
material
Nospace
Mainunit
Sealthe
insulationmaterial
SeeFig.35.
MODEL
<12000Btu/h
>12000Btu/h
A B C D
915
1260
870
1224
715
1015
870
1215
15
INSTALLATIONINSTRUCTIONS
1.5m~2m
VP30
Fig.37
Fig.38
Fig.39
Fig.40
Fig.41
CAUTION
Refertothefiguresontherightfortheinstallation
ofpipes.
Thedrainpipeaswellastheconnectionpartof
indoorunitmustbeheatinsulated,orcondensate
willoccur.
PleaseconnectthepipewithhornyPVCbond
andmakesurethereisnoleakage.
Donotimposethepressureonconnecting
partofdrainpipe.
Thegradientdownwardsofdrainpipeshouldbe
over1/100,anddonotbendthedrainpipe.
Pullthedrainpipetransverselywithin20m.Please
installasupporterincasethedrainpipeisvery
longtopreventitfrombending.
LeanDownwardover1/100
SupportingUnit
Fold
Bend
LeanDownward
over1/100
Aslongaspossible(10cm)
Name Qty. Outline/specification Function
Ductinstallation
board
8 Connectingduct
Fixationbolt(fixing
installationboard)
8
ST3.9×10-F-H
Fixingduct
installationboard
Instructionsforductinstallationaccessories
Ductdesign
Fixinstallationboard
Maketheductasshortaspossibleduetothe
lowstaticpressure(nearly0pa)ofthisunit.
Fixtheinstallationboardonductoutletwith
theboltsinaccessories.Iftheboltis
self-provided,thelengthofboltshouldbe
appropriateandmakesurenottodamagethe
insideofunit.SeeFig.30
Ductinstallation
Fixtheductoninstallationboardwithrivet.
SeeFig.41.
NOTE:
1.Donotlettheindoorunitbeartheweightofduct.
2.Forconvenientmaintenance,installtheduct
attheplacewhereitiseasytodoremoving.
3.Incasedoinginstallationinmeetingroomor
suchplaces,pleaseequiptheinteriorwith
linerandmuffler.
4.Theseaccessoriesareoptional.Pleasecontact
theserviceforotherrequirement.
Accessories
16
INSTALLATIONINSTRUCTIONS
4.CeilingandFloortype
4.1Accessories
1
1
2
Nameof
Accessories
InstallatiOnmanual
Q'ty
(Thismanual)
Qutline
Usage
Hook
Forwallmounting
installation
Hangingarm 2
1
1
2
Owner'smanual
Q'ty
(Thismanual)
Qutline
Usage
Forwallmounting
installation
2
Forceilinginstallation
Fig.42-1
1.Remotecontroller..................1
2.Frame...................................1
3.Mountingscrew
(
ST2.9x10-C-H).....................2
4.Alkalinedrybatteries(AM4)
.
...............................................2
RemoteController&ItsFrame
1
2
3
MountingscrewB
ST2.9x10-C-H
Remotecontroller
holder
Remotecontroller
Neverthroworbeatthecontroller.
Beforeinstallation,operatetheremote
controllertodetermineitslocationina
receptionrange.
Keeptheremotecontrolleratleast1mapart
fromthenearestTVsetorstereoequipment.
(Itisnecessarytopreventimagedisturbances
ornoiseinterferences.)
Donotinstalltheremotecontrollerinaplace
exposedtodirectsunlightorclosetoa
heatingsource,suchasastove.
Notethatthepositiveandnegativepoles
areinrightpositionswhenloadingbatteries.
Cautionsonremotecontrollerinstallation
(onsomemodels)
Magneticring
1
Forwireconnetion
17
INSTALLATIONINSTRUCTIONS
Pleaserefertothefollowingfigureforthe
distancemeasurementbetweenthescrew
bolts.
Pleaseinstallwith10hangingscrewbolts.
Thehandlingtotheceilingvariesfromthe
constructions,consulttheconstruction
personnelsforthespecificprocedures.
Thesizeoftheceilingtobehandled----do
keeptheceilingflat.Consolidatetheroof
beamforpossiblevibration.
Cutofftheroofbeam.
Strengthentheplacecutoff,andconsolidate
theroofbeam.
Carryoutthepipeandlineoperationinthe
ceilingafterfinishingtheinstallationofthe
mainbody.Whilechoosingwheretostartthe
operation,determinethedirectionofthepipes
tobedrawnout.Especiallyincasethereisa
ceiling,positiontherefrigerantpipes,drain
pipes,indoor&outdoorlinestotheconnection
placesbeforehangingupthemachine.
Theinstallationofhangingscrewbolts.
4.2Indoorunitinstallation
4.3WallMountingInstallation
1.Installing10hangingscrewbolts
(4bolts).
2.Woodenconstruction
Putthesquaretimbertraverselyoverthe
roofbeam,theninstallthehangingscrew
bolts.(RefertoFig.42-2)
3.Newconcretebricks
Inlayingorembeddingthescrewbolts.
(RefertoFig.42-3)
4.Fororiginalconcretebricks
Useembeddingscrewbold,crock
andstickharness(RefertoFig.42-4).
5.Steelroofbeamstructre
Installandusedirectlythesupporting
anglesteel.(RefertoFig.42-5)
Hangingscrewbolts
Ceiling
Timberoverthebeam
Roofbeam
(Bladeshapeinsertion)
(Slideinsertion)
Steelbar
Embeddingscrewbolt
(Pipehangingandembeddingscrewbolt)
Fig.42-2
Fig.42-3
Fig.42-5
Fig.42-6
Fig.42-4
Hangingscrewbolt
Hangingbolts
Supporting
anglesteel
E.Connectingpointof
refrigerantpipe
(D.gasside)
D.Connectingpointof
refrigerantpipe
(E.Liquidside)
Drainpoint
Hook
18
INSTALLATIONINSTRUCTIONS
1.Fixthehookwithtappingscrewontothe
wall.(RefertoFig.42-7)
2.Hangtheindoorunitonthehook.
2.Locationthehangingarmonthehanging
screwbolt.(RefertoFig.42-10)
Preparethemountingboltsontheunit.
(RefertoFig.42-11)
3.Hangtheunitonthehangingarmby
slidingbackward.Securelytightenthe
mountingboltsonbothsides.
(RefertoFig.42-12)
1.Removethesideboardandthegrille.
(RefertoFig.42-9)(For48000Btu/hand
60000Btu/hmodels,donotremovethe
grille.)
Washer
Tappingscrew
Hook
<6mm
Fig.42-7
Fig.42-8
Fig.42-9
Fig.42-10
Fig.42-12
Fig.42-11
Fig.42-13
4.4CeilingInstallation
Hangingarm
Sideboard
Grille
Screwnut
Hanging
screwbolt
Hangingarm
Mountingbolt
(Max.40mm)
8-13mm
Washer
Hangingarm
Mountingbolt
Hanging
Screwbolt
D.Connectingpointof
refrigerantpipe(D.gasside)
Drainpoint
E.Connectingpointof
refrigerantpipe
35mm
1000mm
(E.Liquidside)
CAUTION
Thefiguresaboearebasedonmodelwith
18000Btu/hasratedcapacity,whichmay
differfromtheunityoupurchased.
19
INSTALLATIONINSTRUCTIONS
4.5TheDimensionoftheUnit
Unit:mm
Capacity
1218-
A
B D E
F G H
C
990660 206 505 506 907
200 203
Note:Thedimensionof12000Btu/hand
18000Btu/harethesame.
5.FloorandStandingType
(Console)
5.1Accessories(Console)
Pleasecheckwhetherthefollowingfittings
areoffullscope.Iftherearesomespare
fittings,pleaserestorethemcarefully.
QUANTITY
SHAPE
NAME
1.Hook
7.Owner'smanual
8.Installationmanual
3.Remotecontroller
4.Frame
6.Alkalinedrybatteries
(AM4)
2
1
1
2
2
1
1
5.Mountingscrew
(ST2.9 10-C-H)
Installation
fittings
Remote
controller
& ItsFrame
Others
Cautionsonremotecontrollerinstallation:
Neverthroworbeatthecontroller.
Beforeinstallation,operatetheremote
controllertodetermineitslocationina
receptionrange.
Keeptheremotecontrolleratleast1mapart
fromthenearestTVsetorstereoequipment.
(itisnecessarytopreventimage
disturbancesornoiseinterferences.)
Donotinstalltheremotecontrollerinaplace
exposedtodirectsunlightorclosetoa
heatingsource,suchasastove.
Notethatthepositiveandnegativepoles
arerightpositionswhenloadingbatteries.
Remote
controller
Remotecontroller
holder
MountingscrewB
ST2.9x10-C-H
SETTEMPERATURE
O
C)
AUTO
COOL
DRY
HEAT
FAN
HIGH
MED
LOW
TEMP.
MODE
ON/OFF
FANSPEED
SWING
ECONOMIC TIMERON
RESET
LOCK
TIMEROFF
AIRDIRECTION
POWERFUL
Fig.43-1
5.2InspectingandHandlingthe
unit(Console)
5.3IndoorUnitInstallation(Console)
Atdelivery,thepackageshouldbe
checkedandanydamageshouldbe
reportedimmediatelytotheserviceagent.
Whenhandlingtheunit,takeintoaccount
thefollowing:
1.Fragile,handletheunitwithcare.
2.Keeptheunituprightinorderto
avoidcompressordamage.
3.Chooseonbeforehandthepathalong
whichtheunitistobebroughtin.
4.Movethisunitasoriginallypackageas
possible.
5.Whenliftingtheunit,alwaysuse
protectorstopreventbeltdamageand
payattentiontothepositionofthe
unitscentreofgravity.
,
5.3.1Installationplace
Theindoorunitshouldbeinstalledina
locationthatmeetsthefollowing
requirements:
Thereisenoughroomforinstallationand
maintenance.
Theoutletandtheinletarenotimpeded,
andtheinfluenceofexternalairisthe
least.
Theairflowcanreachthroughoutthe
room.
Theconnectingpipeanddrainpipecould
beextractedouteasily.
Thereisnodirectradiationfromheaters.
(RefertoFig.43-2&Fig.43-3)
.
Thismanualissubjecttochangesdueto
technologicalimprovementwithout
furthernotices.
2.Magneticring
(on
models)
some
1
20
INSTALLATIONINSTRUCTIONS
CAUTION
CAUTION
Keepindoorunit,outdoorunit,powersupply
wiringandtransmissionwiringatleast1meter
awayfromtelevisionsandradios.Thisisto
preventimageinterferenceandnoiseinthose
electricalappliances.(Noisemaybegenerated
dependingontheconditionsunderwhichthe
electricwaveisgenerated,evenif1meteriskept.)
Fig.43-2
Fig.43-5
Fig.43-3
Fig.43-4
195mm
Hook
700mm
210mm
5.3.2Installthemainbody
Fixthehookwithtappingscrewonto
thewall.(RefertoFig.43-4)
Hangtheindoorunitonthehook.
(Thebottomofbodycantouchwithfloor
orsuspended,butthebodymustinstall
vertically.)
Hook
Tapping
screw
Washer
6mm
5.4Installtheconnectingpipe
(Console)
5.4.1Theprocedureofconnectingpipes:
Checkwhethertheheightdropbetween
theindoorunitandoutdoorunit,thelength
ofrefrigerantpipe,andthenumberofthe
bendsmeetthefollowingrequirements:
Capacity(KBtu/h)
Themaxheightdrop
Thelengthofrefrigerantpipe
Thenumberofbends
7/9/12
Lessthan10m
Lessthan5m
18/20/26/32/53
10m
Lessthan20m
Lessthan5
5m
Allfieldpipingmustbeprovidedbyalicensed
refrigerationtechnicianandmustcomplywith
therelevantlocalandnationalcodes.
Donotletair,dust,orotherimpuritiesfallinthe
pipesystemduringthetimeofinstallation.
Theconnectingpipeshouldnotbeinstalled
untiltheindoorandoutdoorunitshavebeen
fixedalready.
Keeptheconnectingpipedry,anddonotlet
moistureinduringinstallation.
Executeheatinsulationworkcompletelyon
bothsidesofthegaspipingandtheliquid
piping.Otherwise,thiscansometimesresult
inwaterleakage.
21
INSTALLATIONINSTRUCTIONS
1.Drillaholeinthewall(suitablejustforthe
sizeofthewallconduit),thensetonthe
fittingssuchasthewallconduitandits
cover.
2.Bindtheconnectingpipeandthecables
togethertightlywithbindingtapes.Pass
theboundconnectingpipethroughthe
wallconductfromoutside.Becarefulofthe
pipeallocationtodoondamagetothe
tubing.
3.Connectthepipes.Referto"Howto
Connectthepipes"fordetails.
4.Expeltheairwithavacuumpump.Refer
to"Howtoexpeltheairwithavacuum
pump"fordetails.
5.openthestopvaluesoftheoutdoorunitto
maketherefrigerantpipeconnectingthe
indoorunitwiththeoutdoorunitinfluent
flow.
6.Checktheleakage.Checkallthejoints
withtheleakdetectororsoapwater.
7.Coverthejointsoftheconnectingpipe
withthesoundproof/insulatingsheath
(fittings),andbinditwellwiththetapesto
preventleakage.
CAUTION
CAUTION
Besuretowithinsulatingmaterialscoverall
theexposedpartsoftheflarepipejointsand
refrigerantpipeontheliquid-sideandthe
gas-side.Ensurethatthereisnogapbetween
them.Incompleteinsulationmaycausewater
condensation.
Howtotakeindoorunitaparttoconnect
thepipes
1.Openthefrontpanel
Slidethetwostoppersontheleftandright
sidesinworduntiltheyclick.SeeFig.43-6.
2.Removethefrontpanel
Removethestring.(RefertoFig.43-7).
Allowingthefrontpaneltofallforwardwill
enableyoutoremoveit.
3.Removethefaceplate
Removethefourscrews.(RefertoFig.43-7).
Openingbottomoffaceplateforaangle
thatis30degrees,thenthetopofface
platewillbetakeup.(RefertoFig.43-8)
Fig.43-6
Fig.43-7
Fig.43-8
5.5Connectthedrainpipe(Console)
Installthedrainpipeoftheindoorunit
TheoutlethasPTIscrewbread,Pleaseuse
sealingmaterialsandpipesheath(fitting)
whenconnectingPVCpipes.
Thedrainpipeofindoorunitmustbeheat
insulated,oritwillcondensedew,aswellasthe
connectionsoftheindoorunit.
HardPVCbindermustbeusedforpipe
connection,andmakesurethereisnoleakage.
Withtheconnectionparttotheindoorunit,
pleasebenotednottoimposepressureonthe
sideofindoorunitpipes.
22
INSTALLATIONINSTRUCTIONS
Whenthedeclivityofthedrainpipedownwards
isover1/100,thereshouldnotbeanywinding.
Thetotallengthofthedrainpipewhenpulled
outtraverselyshallnotexceed20m,whenthe
pipeisoverlong,apropstandmustbeinstalled
topreventwinding.
Refertothefiguresontherightforthe
installationofthepipes.
1.5m~2m
Insulating
material
Downwarddeclivity
lowerthan1/100
Bend
Sshape
VP30
Downwarddeclivity
lowerthan1/100
Putasdeepaspossible
(about10cm)
Fig.43-9
Fig.43-10
Drainagetest
Checkwhetherthedrainpipeis
unhindered.
Newbuilthouseshouldhavethistest
donebeforepavingtheceiling.
5.6Wiring(Console)
CAUTION
Theapplianceshallbeinstalledinaccordance
withnationalwiringregualtions.
Theairconditionershoulduseseparatepower
supplywithratedvoltage.
Theexternalpowersupplytotheairconditioner
shouldhavegroundwiring,whichislinkedtothe
groundwiringoftheindoorandoutdoorunit.
Thewiringworkshouldbedonebyqualified
personsaccordingtocircuitdrawing.
Anall-poledisconnectiondevicewhichhasat
least3mmseparationdistanceinallpoleand
aresidualcurrentdevice(RCD)withtherating
ofabove10mAshallbeincorporatedinthefixed
wiringaccordingtothenationalrule.
Besuretolocatethepowerwiringandthe
signalwringwelltoavoidcross-disturbance.
Donotturnonthepoweruntilyouhave
checkedcarefullyafterwiring.
5.6.1Connectthecable
Theinstallationbearerofsensing
devicerotatedtoanotherside,andthen
takesoffcoverofelectricalbox.(Take
offtheelectricalboxifthecapacityis
18000btu/haswellasusingnetwork
function.)(RefertoFig.43-10)
Installationbearer
ofsensingdevice
Allthepicturesinthismanualarefor
explanationpurposeonly.Theymaybe
slightlydifferentfromtheairconditioner
youpurchased(dependonmodel).The
actualshapeshallprevail.
NOTE:
23
Settlementofoutdoorunit
Anchortheoutdoorunitwith
aboltandnut10or8tightly
andhorizontallyonaconcrete
orrigidmount.
φφ
Fig.45
Installtheoutdoorunitonarigidbaseto
preventincreasingnoiselevelandvibration.
Determinetheairoutletdirectionwherethe
dischargedairisnotblocked.Inthecasethat
theinstallationplaceisexposedtostrongwind
suchasaseaside,makesurethefanoperating
properlybyputtingtheunitlengthwisealongthe
wallorusingadustorshieldplates.
Speciallyinwindyarea,installtheunittoprev-
enttheadmissionofwind.Ifneedsuspending
installation,theinstallationbracketshould
accordwithtechniquerequirementinthe
installationbracketdiagram.
Theinstallationwallshouldbesolidbrick,
concreteorthesameintensityconstruction,or
actionstoreinforce,dampingsupportingshould
betaken.Theconnectionbetweenbracketand
wall,bracketandtheairconditionershouldbe
firm,stableandreliable.
Besurethereisnoobstaclewhichblock
radiatingair.
Strong
wind
Fig.44
Outdoorunitinstallation
Outdoorinstallationprecaution
INSTALLATIONINSTRUCTIONS
530
560
290
335
624
366
590
333
760x590x285
845x700x320
900x860x315
990x965x345
L2(mm) W2(mm)
Mountingdimensions
Fitthesealintothedrainjoint,theninsertthe
drainjointintothebasepanholeofoutdoorunit,
rotate90tosecurelyassemblethem.
Connectingthedrainjointwithanextensiondrain
hose(Locallypurchased),incaseofthewater
drainingofftheoutdoorunitduringtheheating
mode.
Drainjointinstallation
Seal
Drainjoint
Basepanholeof
outdoorunit
Seal
Drainpipe
Refrigerantpipeconnection
Oblique
90
Roughness Burr
Maincauseforrefrigerantleakage
isduetodefectintheflaringwork.
Carryoutcorrectflaringwork
usingthefollowingprocedure:
1.Usethepipingkitaccessoryorpipes
purchasedlocally.
2.Measurethedistancebetweentheindoor
andtheoutdoorunit.
3.Cutthepipesalittlelongerthanthe
measureddistance.
4.Cutthecable1.5mlongerthanthepipe
length.
A:Cutthepipesandthecable.
1.Flaringwork
Fig.46
B:Burrremoval
1.Completelyremoveallburrsfromthecut
crosssectionofpipe/tube.
2.Puttheendofthecoppertube/pipeina
downwarddirectionasyouremoveburrsin
ordertoavoiddroppingburrsintothetubing.
Pipe
Reamer
Pointdown
Fig.47
Fig.48
C:Puttingnuton
Removeflarenutsattachedtoindoorand
outdoorunit,thenputthemonpipe/tube
havingcompletedburrremoval.(notpossible
toputthemonafterflaringwork)
Flarenut
Coppertube
Fig.49
24
REFRIGERANTPIPECONNECTION
(1)
(2)
NOTE:Thedrainjointdifferfromappliance
toappliance.
25
ELECTRICALWORK
Bar
Copperpipe
Clamphandle
Redarrowmark
Cone
Yoke
Handle
Bar
Fig.50
D:Flaringwork
Firmlyholdcopperpipeinadieinthe
dimensionshowninthetablebelow.
Caution
Alignthecenterofthepipes.
Sufficientlytightentheflare
nutwithfingers,andthentighten
itwithaspannerandtorquewrench
asshowninFig.51&52.
TighteningConnection
Excessivetorquecanbreaknut
dependingoninstallationconditions.
Outerdiam.
(mm)
A(mm)
Max.
Min.
6.35 1.3 0.7
9.53
1.6 1.0
12.7
1.8
1.0
Fig.52
Indoorunittubing Flarenut Pipings
Fig.51
ElectricsafetyregulationsfortheinitialInstallation
1.Ifthereisserioussafetyproblemaboutthepowersupply,thetechniciansshouldrefuse
toinstalltheairconditionerandexplaintotheclientuntiltheproblemissolved.
2.Powervoltageshouldbeintherangeof90%~110%ofratedvoltage.
3.Thecreepageprotectorandmainpowerswitchwitha1.5timescapacityofMax.Current
oftheunitshouldbeinstalledinpowercircuit.
4.Ensuretheairconditionerisgroundedwell.
7.Anindividualbranchcircuitandsinglereceptacleusedonlyforthisairconditionermustbeavailable.
5.AccordingtotheattachedElectricalConnectionDiagramlocatedonthepaneloftheoutdoor
unittoconnectthewire.
6.Allwiringmustcomplywithlocalandnationalelectricalcodesandbeinstalled
byqualifiedandskilledelectricians.
12.7
1.8
1.0
Electricalwork
Outer
diam.
Tightening
torque(N.cm)
Additionaltightening
torque(N.cm)
6.35
12.7
9.52
1500
(153kgf.cm)
1600
(163kgf.cm)
3500
(357kgf.cm)
3600
(367kgf.cm)
2500
(255kgf.cm)
2600
(265kgf.cm)
26
ELECTRICALWORK
Fig.53
Connectthecabletotheoutdoorunit
1.Removetheelectricalcontrolboardcover
fromtheoutdoorunitbylooseningthescrew
asshowninFig.51.
2.Connecttheconnectivecablestothe
terminalsasidentifiedwiththeirrespective
matchednumbersontheterminalblockof
indoorandoutdoorunits.
3.Securethecableontothecontrolboardwith
thecordclamp.
4.Topreventtheingressofwater,fromaloop
oftheconnectivecableasillustratedinthe
installationdiagramofindoorandoutdoor
units.
5.Insulateunusedcords(conductors)with
PVC-tape.Processthemsotheydonot
touchanyelectricalormetalparts.
Wiringconnection
NOTE:Beforeperforminganyelectrical
work,turnoffthemainpowertothesystem.
ConnectionCable
10mm
40mm
Fig.55
CAUTIONS
Donottouchthecapacitorevenifyou
havedisconnectedthepowerforthereis
stillhighvoltagepoweronit,orelectric
shockhazardmayoccur.Foryoursafety,
youshouldstartrepairingatleast5minutes
laterafterthepowerisdisconnected.
ThepowerissuppliedfromtheOutdoor
Unit.ThefourIndoorUnitareconnected
withasignalwiresorpowercordsare
connectedreliablyandcorrectly,orthe
airconditionercouldnotrunnormally.
One-two One-three One-four
One-five
Fig.54
CAUTIONS
Makesuretoconnecttheindoorunit(A,B,C,D)
totheHiandLovalveandterminalsofsignal
wires(A,B,C,D)ofoutdoorunitasidentified
withtheirrespectivematchedconnection.
Wrongwiringconnectionsmaycausesome
electricalpartstomalfunction.
Minimumnorminalcross-sectionalarea
ofconductors:
Ratedcurrentofappliance
(A)
Nominalcross-sectional
area(mm)
2
>3and<6
>6and<10
>10and<16
>16and<25
0.75
1
1.5
2.5
POWER
Screw
Cover
E
E
L(A)N(A)S(A)
LNS
L(B)N(B)S(B)
LNS
L(C)N(C)S(C)
LNS
L(D)N(D)S(D)
LNS
L(E)N(E)S(E)
LNS
Aftertheconfirmationoftheaboveconditions,preparethewiringasfollows:
1)Neverfailtohaveanindividualpowercircuitspecificallyfortheairconditioner.Asfor
themethodofwiring,beguidedbythecircuitdiagrampostedontheinsideofcontrol
cover.
2)Thescrewwhichfastenthewiringinthecasingofelectricalfittingsareliabletocome
loosefromvibrationstowhichtheunitissubjectedduringthecourseof
transportation.Checkthemandmakesurethattheyarealltightlyfastened.(Ifthey
areloose,itcouldcauseburn-outofthewires.)
3)Specificationofpowersource.
4)Confirmthatelectricalcapacityissufficient.
5)Seetothatthestartingvoltageismaintainedatmorethan90percentoftherated
voltagemarkedonthenameplate.
6)Confirmthatthecablethicknessisasspecifiedinthepowersourcespecification.
7)Alwaysinstallanearthleakagecircuitbreakerinawetormoistarea.
8)Thefollowingwouldbecausedbyvoltagedrop.
Vibrationofamagneticswitch,whichwilldamagethecontactpoint,fusebreaking,disturbanceofthe
normalfunctionoftheoverload.
9)Themeansfordisconnectionfromapowersupplyshallbeincorporatedinthefixed
wiringandhaveanairgapcontactseparationofatleast3mmineachactive(phase)
conductors.
Airandmoistureintherefrigerantsystemhaveundesirableeffectsasindicatedbelow:
Pressureinthesystemrises.
Operatingcurrentrises.
Coolingorheatingefficiencydrops.
Moistureintherefrigerantcircuitmayfreezeandblockcapillarytubing.
Watermayleadtocorrosionofpartsintherefrigerationsystem.
Therefore,theindoorunitandtubingbetweentheindoorandoutdoorunitmustbeleaktested
andevacuatedtoremoveanynoncondensablesandmoisturefromthesystem.
Airpurgingwithvacuumpump
Preparation
Checkthateachtube(bothliquidandgassidetubes)betweentheindoorandoutdoorunits
havebeenproperlyconnectedandallwiringforthetestrunhasbeencompleted.Remove
theservicevalvecapsfromboththegasandtheliquidsideontheoutdoorunit.Notethat
boththeliquidandthegassideservicevalvesontheoutdoorunitarekeptclosedatthis
stage.
Pipelengthandrefrigerantamount:
Connective
pipelength
Lessthan5m
Morethan5m
Airpurging
method
Usevacuum
pump.
Usevacuum
pump.
Additionalamountofrefrigeranttobecharged
AIRPURGING
Airpurging
27
R22:(Pipelength-5m)x30g/m
R410A:(Pipelength-5m)x15g/m
R407c:(Pipelength-5m)x30g/m
28
AIRPURGING
Whenrelocatetheunittoanotherplace,
performevacuationusingvacuumpump.
Makesuretherefrigerantaddedintotheair
conditionerisliquidforminanycase.
(NotapplicabletotheunitsadoptfreonR22)
Openthevalvestemuntilithitsagainstthe
stopper.Donottrytoopenitfurther.
Securelytightenthevalvestemcapwitha
spannerorthelike.
Valvestemcaptighteningtorque(See
Tighteningtorquetableinpreviouspage).
Outdoor
unit
Indoor
unit
Refrigerant
Flarenut
Stopper
Cap
Valvebody
Packedvalve Halfunion
Gasside
Liquidside
A
C
D
B
Valvestem
Fig.56
Fig.57
WhenUsingtheVacuumPump
(Formethodofusingamanifoldvalve,refer
toitsoperationmanual.)
1.Completelytightentheflarenuts,A,B,C,D,
valvechargehosetoa
chargeportofthelow-pressurevalveonthe
gaspipeside.
2.Connectthechargehoseconnectiontothe
vacuumpump.
3.FullyopenthehandleLoofthemanifoldvalve.
4.Operatethevacuumpumptoevacuate.After
slightlyloosetheflarenut
oftheLovalveonthegaspipeside
checkthattheairisentering(Operationnoise
pumpchangesanda
commeterindicates0insteadofminus)
5.Aftertheevacuationiscomplete,fullyclose
manifoldvalveandstop
theoperationofthevacuumpump.Make
evacuationfor15minutesormore
compoundmeterindicates
-76cmHg(-1x10Pa).
6.TurnthestemofthepackedvalveBabout
45counterclockwisefor6~7secondsafter
thegascomingout,thentightentheflarenut
again.Makesurethepressuredisplayinthe
pressureindicatorisalittlehigherthanthe
atmospherepressure.
7.RemovethechargehosefromtheLow
pressurechargehose.
8.FullyopenthepackedvalvestemsBandA.
9.Securelytightenthecapofthepackedvalve.
connectthemanifold
startingevacuation,
and
ofthevacuum
pound
thehandleLoofthe
andcheck
thatthe
5
o
Manifoldvalve
Compoundmeter
-76cmHg
HandleLo
HandleHi
Chargehose
Chargehose
Vacuumpump
Pressuregauge
Lowpressurevalve
Fig.58
Cautioninhandlingthepackedvalve
Performtheelectricsafecheckafter
completinginstallation:
1.Insulatedresistance
Theinsulatedresistancemustbemorethan
2M.
2.Groundingwork
Afterfinishinggroundingwork,measurethe
groundingresistancebyvisualdetectionand
groundingresistancetester.Makesurethe
groundingresistanceislessthan4.
3.Electricalleakagecheck(performingduring
testrunning)
Duringtestoperationafterfinishinginstallation,
theservicemancanusetheelectroprobeand
multimetertoperformtheelectricalleakage
check.Turnofftheunitimmediatelyifleakage
happens.Checkandfindoutthesolution
waystilltheunitoperateproperly.
Ω
Ω
A:LopackedvalveB:Hipackedvalve
CandDareendsofindoorunitconnection.
CAUTION
Electricalsafetycheck
Gasleakcheck
1.
Applyasoapwateroraliquidneutral
detergentontheindoorunitconnection
oroutdoorunitconnectionsbyasoft
brushtocheckforleakageofthe
connectingpointsofthpiping.Ifbubbles
comeout,thepipeshaveleakage.
2.
Soapwatermethod:
Leakdetector
Usetheleakdetectortocheckforleakage.
Safetyandleakagecheck
15
Indoorunit
checkpoint
Outdoorunit
checkpoint
n
m
k
j
i
h
A
B
C
a
c
b
d
e
f
a,b,c,d,h,i,j,karepointsforone-twotype.
a,b,c,d,e,f,,h,i,j,k,m,narepointsforone-threetype.
A,B,C,Darepointsforone-fourtype.
A,B,C,D,Earepointsforone-fivetype.
Indoorunit
checkpoint
Outdoorunit
checkpoint
29
AIRPURGING
Fig.59
Fig.60
NOTE: Theillustrationisforexplanation
purposeonly.TheactualorderofA,B,C
DandEonthemachinemaybeslightly
differentfromtheunityoupurchased.The
actualshapeshallprevail.
E
Testrunning
Performtestoperationaftercompletinggasleakcheckattheflarenutconnectionsand
electricalsafetycheck.
Checkthatalltubingandwiringhavebeenproperlyconnected.
Checkthatthegasandliquidsideservicevalvesarefullyopen.
1.Connectthepower,presstheON/OFFbuttonontheremotecontrollertoturntheuniton.
2.UsetheMODEbuttontoselectCOOL,HEAT,AUTOandFANtocheckifallthefunctions
workswell.
3.Whentheamienttemperatureistoolow(lowerthan17C),theunitcannotbecontrolledby
theremotecontrollertorunatcoolingmode,manualoperationcanbetaken.Manual
operationisusedonlywhentheremotecontrollerisdisableormaintenancenecessary.
PresstheManualcontrolbuttontoselecttheAUTOorCOOL,theunitwilloperateunder
ForcedAUTOorCOOLmode(seeUserManualfordetails).
4.Thetestoperationshouldlastabout30minutes.
Holdthepanelsidesandliftthepaneluptoanangleuntilitremainsfixedwithaclicking
sound.
Manualcontrol
Button
30
TESTRUNNING
Fig.61
Manualcontrol
button
AUTO/COOL
CS464-I
202000191053
20111208
Thedesignandspecificationsaresubjecttochangewithoutpriornoticeforproduct
improvement.Consultwiththesalesagencyormanufacturerfordetails.
4


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