Midea MOU48HN1 User manual

Forcorrectinstallation,readthismanualbeforestartinginstallation.
Thismanualmaybesubjecttochangewithoutnoticeforpurposeofimprovement..
INSTALLATIONMANUAL
AIRCONDITIONER
Four-WayCassetteType

CONTENTS
1.PRECAUTIONS................................................................................................1
2.INSTALLATIONINFORMATION.....2
3.ATTACHEDFITTINGS........3
4.INSTALLATIONPLACE.....4
5.INDOORUNITINSTALLATION......5
6.OUTDOORUNITINSTALLATION...8
7.INSTALLTHECONNECTINGPIPE...9
8.CONNECTTHEDRAINPIPE......12
9
10.WIRING.....16
11.TESTOPERATION.........24
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.INSTALLATIONOFFLANGEANDDUCT.............................................................14
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PRECAUTIONS
SAFETYCONSIDERATIONS
Installationandservicingofairconditioningequipmentcanbehazardousduetosystempressureand
electriccomponents.Onlytrainedandqualifiedservicepersonnelshouldinstall,repairorserviceair
conditioningequipment.
Allotheroperationsshouldbeperformedbytrainedservicepersonnel.Whenworkingonairconditio-
ningequipment,observeprecautionsintheliterature,tagsandlabelsattachedtotheunitandother
safetyprecautionsthatmayapply.Followallsafetycodes.Wearglassesandworkgloves.Usequen-
chingclothforbrazingandunbrazingoperations.Therearefireextinguishersavailableforallbrazing
operations.
WARNING
WARNING
WARNING
Thismanualdescribestheinstallationofspecifiedindoorandoutdoorunits.Donotinstallthemconn-
ectedwithanyotherindoororoutdoorunit.Mismatchingofunitsandincompatibilitybetweencontrol
devicesinthetwounitscouldleadtodamageofbothunits.
Beforeperformingserviceormaintenanceoperationsonsystem,turnoffmainpowerswitchoftheunit.
Electricalshockcouldcausepersonalinjury.
Thisunitshallbeinstalledinaccordancewithnationalwiringregulations.
Ifthesupplycordisdamaged,itmustbereplacedbythemanufactureroritsserviceagentorsimilarly
qualifiedpersoninordertoavoidahazard.
Themeansfordisconnectionfromthesupplyhavingacontactseparationofatleast3mminallpoles.
CAUTION
1.Wiretheoutdoorunit,thenwiretheindoorunit.Youarenotallowtoconnecttheairconditionerwith
thepowersourceuntilwiringandpipingtheairconditionerisdone.
2.Forinstallationoftheindoorunit,outdoorunit,andconnectionpipinginbetween,followtheinstru-
ctionsgiveninthismanualasstrictlyaspossible.
3.Installationinthefollowingplacesmaycausetrouble.Ifitisunavoidableusinginsuchplaces,
pleaseconsultwiththedealer.
(1)Aplacefullofmachineoil.
(2)Asalineplacesuchascoast.
(3)Hot-springresort.
(4)Aplacefullofsulfidegas.
(5)Aplacewheretherearehighfrequencymachinessuchaswirelessinstallation,weldingmachine,
medicalfacilities.
(6)Aplaceofspecialenvironmentalconditions.
4.Don'tinstallthisunitinthelaundry.
1

RemarkperEMCDirective89/336/EEC
Fortopreventflickerimpressionsduringthestartofthecompressor(technicalprocess),following
installationconditionsdoapply.
1.Thepowerconnectionfortheairconditionerhastobedoneatthemainpowerdistribution.The
distributionhastobeofalowimpedance,normallytherequiredimpedancereachesata32A
fusingpoint.
2.Nootherequipmenthastobeconnectedwiththispowerline.
3.Fordetailedinstallationacceptancepleaserefertoyourcontractwiththepowersupplier,ifrestric-
tionsdoapplyforproductslikewashingmachines,airconditionersorelectricalovens.
4.Forpowerdetailsoftheairconditionerrefertotheratingplateoftheproduct.
5.Foranyquestioncontactyourlocaldealer.
NOTE
INSTALLATIONINFORMATION
2
1.Selectthelocation;
2.Installtheindoorunit;
3.Installtheoutdoorunit;
4.Installtheconnectingpipe;
5.Connectthedrainpipe;
6.Wiring;
7.Testoperation.
Toinstallproperly,pleasereadthis"installationmanual"atfirst.
Theairconditionermustbeinstalledbyqualifiedpersons.
Wheninstallingtheindoorunitoritstubing,pleasefollowthismanualasstrictlyaspossible.
Whenalltheinstallationworkisfinished,pleaseturnonthepoweronlyafterathoroughcheck.
Regretfornofurtherannouncementifthereisanychangeofthismanualcausedbyproduct
improvement.
CAUTIONSFORTHEREMOTECONTROLLEROPERATION
Pleasedonotthrowtheremotecontrollerorbeatit.
Pleaseusetheremotecontrollerwithinthealloweddistance,andkeepthetransmittertowardthe
receiveroftheindoorunit.
Pleasekeeptheremotecontrollermorethan1mawayfromTVorstereoset.
Neverputtheremotecontrollerattheplacewithhumidordirectsunlight,ornearheaters.
Pleaseinsertthebatteriesproperly.
INSTALLATIONORDER
Selectthelocation
Installtheconnectingpipe
Installtheindoorunit
Connectthedrainpipe
Installtheoutdoorunit
Wiring
Testoperation

3
Pleasecheckwhetherthefollowingfittingsareoffullscope.Iftherearesomeattachedfittingsfree
fromuse,pleaserestorethemcarefully.
InstallationFittings Tubing&Fittings
1.Expansiblehook..........................................4?
2.Installationhook..........................................4
3.Installationpaperboard...............................1
4.BoltM612.............................4M516or
ATTACHEDFITTINGS
5.Connectingpipegroup...............................1
7.Soundproof/insulationsheath...................2
6.Bindingtape................................................6
8.Out-letpipesheath.......................................1
9.Out-letpipeclasp.........................................1
10.Tighteningband.......................................20
11.Drainelbow.................................................1
12.Sealring.....................................................1
13.Wallconduit..............................................1
14.Wallconduitcover....................................1
DrainpipeFittings ProtectPipeFittings
Remotecontroller&ItsFrame
Others
19.Owner'smanual.......................................1
20.Installationmanual...................................1
15.Remotecontroller......................................1
16.Frame........................................................1
17.Mountingscrew(ST2.910-C-H).............2
18.Alkalinedrybatteries(AM4)......................2

INSTALLATIONPLACE
4
Thereisenoughroomforinstallationandmaintenance.
Theairoutletandtheairinletarenotimpeded,andcannotbereachedbystrongwind.
Itmustbeadryandwellventilatingplace.
Thesupportisflatandhorizontalandcanstandtheweightoftheoutdoorunit.Andwillnoadditional
noiseorvibration.
Yourneighborhoodwillnotfeeluncomfortablewiththenoiseorexpelledair.
Thereisnoleakageofcombustibleair.
Itiseasytoinstalltheconnectingpipeorcables.
Determinetheairoutletdirectionwherethedischargedairisnotblocked.
Aplacefreeofaleakageofcombustiblegases.
Inthecasethattheinstallationplaceisexposedtoastrongwindsuchasaseasideorhighposition,
securethenormalfanoperationbyputtingtheunitlengthwisealongthewallorusingaductorshield
plates.
Ifpossible,donotinstalltheunitwhereitisexposedtodirectsunlight.
Ifnecessary,installablindthatdoesnotinterferewiththeairflow.
Duringtheheatingmode,thewaterdrainedofftheoutdoorunit,Thecondensateshouldbewelldr-
ainedawaybythedrainholetoanappropriateplace,soasnottointerfereotherpeopleorpublic.
Selectthepositionwhereitwillnotbesubjecttosnowdrifts,accumulationofleavesorotherseasonal
debris.Itisimportantthattheairflowfortheoutdoorunitisnotimpededasthiswillresultinreduction
inheatingorcoolingperformance.
CAUTIONS
Locationinthefollowingplacesmaycausemalfunctionofthemachine.(Ifunavoidable,pleaseconsult
yourlocaldealer)
a.Thereispetrolatumexisting.
b.Thereissaltyairsurrounding(nearthecoast).
c.Thereiscausticgas(thesulfide,forexample)existingintheair(nearahotspring).
d.TheVoltvibratesviolently(inthefactories).
e.Inbusesorcabinets.
f.Inkitchenwhereitisfullofoilgas.
g.Thereisstrongelectromagneticwaveexisting.
h.Thereareinflammablematerialsorgas.
i.Thereisacidoralkalineliquidevaporating.
j.Otherspecialconditions.
NOTICESBEFOREINSTALLATION
1.Selectthecorrectcarry-inpath.
2.Movethisunitasoriginallypackagedaspossible.
3.Iftheairconditionerisinstalledonametalpartofthebuilding,itmustbeelectricallyinsulatedacc-
ordingtotherelevantstandardstoelectricalappliances.
1.Theindoorunit
Thereisenoughroomforinstallationandmaintenance.
Theceilingishorizontal,anditsstructurecanenduretheweightoftheindoorunit.
Theairoutletandtheairinletarenotimpeded,andtheinfluenceofexternalairistheleast.
Theairflowcanreachthroughouttheroom.
Theconnectingpipeanddrainpipecouldbeextractedouteasily.
Thereisnodirectradiationfromheaters.
2.Theoutdoorunit

INDOORUNITINSTALLATION
>1000mm
>1000mm
Chart3
A
Drainside Tubingside
(Unit:mm)
780(Hook-location)
840(Body)
880(Ceilinghole)
950(Panel)
A.Theexistingceiling(tobehorizontal)
a.Pleasecutaquadrangularholeof880880mmintheceilingaccordingtotheshapeoftheinstallation
paperboard.(RefertoChart3,4)
Thecenteroftheholeshouldbeatthesamepositionofthatoftheairconditionerbody.
Determinethelengthsandoutletsoftheconnectingpipe,drainpipeandcables.
Tobalancetheceilingandtoavoidvibration,pleaseenforcetheceilingwhennecessary.
b.Pleaseselectthepositionofinstallationhooksaccordingtothehookholesontheinstallationboard.
Drillfourholesof12mm,45~50mmdeepattheselectedpositionsontheceiling.Thenembedthe
expansiblehooks(fittings).
Facetheconcavesideoftheinstallationhookstowardtheexpansiblehooks.Determinethelength
oftheinstallationhooksfromtheheightofceiling,thencutofftheunnecessarypart.
Iftheceilingisextremelyhigh,pleasedeterminethelengthoftheinstallationhookaccordingtofacts.
φ
Necessaryroom
outletintletoutlet
ground Chart1
Chart4
Note: 18000-24000Btu/h(R410A)SeriesA260mm
30000-48000Btu/h(R410A)SeriesA330mm
≥
≥
Nut
Body
Ceiling 880mm
Hook
Panel
Chart2
Body
Chart5
Centralhole
BoltM6X12 Installationpaperboard
1.Installthemainbody
5
18000-24000Btu/h(R407C)SeriesA260mm
36000-48000Btu/h(R407C)SeriesA330mm
≥
≥
30000Btu/h(R407C,3PHASE)SeriesA260mm
30000Btu/h(R407C,1PHASE)SeriesA330mm
≥
≥
Note: 18000-24000Btu/h(R410A)SeriesA260mm
30000-48000Btu/h(R410A)SeriesA330mm
≥
≥
18000-24000Btu/h(R407C)SeriesA260mm
36000-48000Btu/h(R407C)SeriesA330mm
≥
≥
30000Btu/h(R407C,3PHASE)SeriesA260mm
30000Btu/h(R407C,1PHASE)SeriesA330mm
≥
≥

Chart6
Body
Ceiling
Chart7
6
B.Newbuilthousesandceilings
a.Inthecaseofnewbuilthouse,thehookcanbeembeddedinadvance(refertotheA.Bmentioned
above).Butitshouldbestrongenoughtobeartheindoorunitandwillnotbecomeloosebecause
ofconcreteshrinking.
b.Afterinstallingthebody,pleasefastentheinstallationpaperboardontotheairconditionerwith
bolts(M612)todetermineinadvancethesizesandpositionsoftheholeopeningonceiling.
Pleasefirstguaranteetheflatnessandhorizontalofceilingwheninstallingit.
RefertotheA.amentionedaboveforothers.
c.RefertotheA.cmentionedaboveforinstallation.
d.Removetheinstallationpaperboard.
Aftercompletionofinstallingthebody,thefourbolts(M612)mustbefastenedtotheair
conditionertoensurethebodyisgroundedwell.
Neverputthepanelfacedownonfloororagainstthewall,oronbulgyobjects.
Nevercrashorstrikeit.
(1)Removetheinletgrid.
a.Slidetwogridswitchestowardthemiddleatthesametime,andthenpullthemup.(Refertochart8)
b.Drawthegriduptoanangleofabout45,andremoveit.(Refertochart9)
0
Gridswitch
Chart8 Chart9 Chart10
(2)Removetheinstallationcoversatthefourcorners.
Wrenchoffthebolts,loosetheropeoftheinstallationcovers,andremovethem.(Refertochart10)
ThelengthcouldbecalculatedfromChart5
Length=H-181+L(ingeneral,L=100mmandishalfofthewholelengthoftheinstallationhook)
c.Pleaseadjustthehexangularnutsonthefourinstallationhooksevenly,toensurethebalanceofthe
body.
Ifthedrainpipeisawry,leakagewillbecausedbythemalfunctionofthewater-levelswitch.
Adjustthepositiontoensurethegapsbetweenthebodyandthefoursidesofceilingareeven.The
body'slowerpartshouldsinkintotheceilingfor10~12mm(Refertochart5).
Locatetheairconditionerfirmlybywrenchingthenutsafterhavingadjustedthebody'spositionwell.
2.InstallThePanel
CAUTIONS
CAUTIONS

a.Aligntheswingmotoronthepaneltothetubingjointsofthebodyproperly.(Refertochart11)
b.Fixhooksofthepanelatswingmotoranditsoppositesidestothehooksofcorrespondingwater
receiver.(Refertochart11)Thenhangtheothertwopanelhooksontocorrespondinghangersof
thebody.(Refertochart11)
(3)Installthepanel
①
②
Donotcoilthewiringoftheswingmotorintothesealsponge.
7
Chart14
Loosenuppernut
Adjustlowernut
Gapnotallowed
Chart13
Leakage
Ceiling
Pollution Watercondensation
Cross-screwdriver
Outletjoint
Tubingjoint Hookpanel
SwingMotor
Hook-bolt
Water-receiver
Chart11
panelsponge
Chart12
body
Ceiling
panel
panelfoam1 airout Fan panelfoam2
outletfoam
c.Adjustthefourpanelhookscrewstokeepthepanelhorizontal,andscrewthemuptotheceiling
evenly.(Refertochart11)
d.RegulatethepanelinthedirectionofthearrowinChart11slightlytofitthepanel'scentertothe
centeroftheceiling'sopening.Guaranteethathooksoffourcornersarefixedwell.
e.Keepfasteningthescrewsunderthepanelhooks,untilthethicknessofthespongebetweenthe
bodyandthepanel'soutlethasbeenreducedtoabout4~6mm.Theedgeofthepanelshould
contactwiththeceilingwell.(Refertochart12)
MalfunctiondescribedinChart13canbecausedbyinappropriatetightnessthescrew.
Ifthegapbetweenthepanelandceilingstillexistsafterfasteningthescrews,theheightofthe
indoorunitshouldbemodifiedagain.(Refertochart14-left)
Youcanmodifytheheightoftheindoorunitthroughtheopeningsonthepanel'sfourcorners,ifthe
liftoftheindoorunitandthedrainpipeisnotinfluenced(refertochart14-right).
(4)Hangtheair-ingridtothepanel,thenconnecttheleadterminatoroftheswingmotorandthatof
thecontrolboxwithcorrespondingterminatorsonthebodyrespectively.
(5)Relocatetheair-ingridintheprocedureofreversedorder.
(6)Relocatetheinstallationcover.
a.Fastentheropeofinstallationcoverontheboltoftheinstallationcover.(Refertochart15-left)
b.Presstheinstallationcoverintothepanelslightly.(Refertochart15-right)
③
④
Chart15
Installationcover,srope
TapScrew Slidethefoursliders
inthecorresponding
channelwheninstalling
thecover
CAUTIONS

OUTDOORUNITINSTALLATION
8
(Refertochart17,chart18)
Ifpossible,pleaseremovetheobstaclesnearbytopreventtheperformancefrombeingimpededbytoo
littleofaircirculation.
Theminimumdistancebetweentheoutdoorunitandobstaclesdescribedintheinstallationchartdoes
notmeanthatthesameisapplicabletothesituationofanairtightroom.Leaveopentwoofthethree
directions(A,B,C)
CAUTIONS
Keepthisunitawayfromdirectradiationofthesunorotherheaters.
Ifunavoidable,pleasecoveritwithashelter.
Inplacesnearcoastorwithahighattitudewherethewindisviolent,pleaseinstalltheoutdoorunit
againstthewalltoensurenormalperformance.
Useabafflewhennecessary.
Inthecaseofextremelystrongwind,pleasepreventtheairfromflowingbackwardsintotheoutdoor
unit.(Refertochart16)
Locatetheoutdoorunitasclosetotheindoorunitaspossible.
Theminimumdistancebetweentheoutdoorunitandobstaclesdescribedintheinstallationchart
doesnotmeanthatthesameisapplicabletothesituationofanairtight.Leaveopentwoofthree
directionsA,B,C..
X
O
Chart16
NECESSARYROOMFORINSTALLATIONANDMAINTENANCE
>30cm
>60cm
Chart17
(Wallorobstacle)
Maintainchannel
Airoutlet
Airinlet
Airinlet
AC
B
Chart18
Fixwithbolt
Necessarywidth
Deepfoundation
Sincethegravitycenterofthisunitisnotatitsphysicalcenter,sopleasebecarefulwhenliftingit
withasling.
Neverholdtheair-inoftheoutdoorunittopreventitfromdeforming.
Donottouchthefanwithhandsorotherobjects.
Donotleanitmorethan45,anddonotlayitsidelong.
Pleasefastenthefeetofthisunitwithboltsfirmlytopreventitfromcollapsingincaseofearthquake
orstrongwind.
0
MOVINGANDINSTALLING
Makeconcretefoundationofthesizeof590*328.(Refertochart18)