Mitsubishi MSZ-SF15VA User manual

SPLIT-TYPE AIR CONDITIONERS
MSZ-SF15VA MSZ-SF20VA
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INSTALLATION MANUAL For INSTALLER
• Thismanualonlydescribestheinstallationofindoorunit.
 Wheninstallingtheoutdoorunit,refertotheinstallationmanualofoutdoorunit.
 TESİSATÇIİÇİN
• Bukılavuzdayalnızcaiçünitenintesisiaçıklanmaktadır.
 Dışünitetesisişleminiyaparkendışünitetesisetmekılavuzunabakın.
INSTALLATIONSANVISNING FÖR INSTALLATÖR
• Dennainstallationsanvisningbeskriverendastinstallationavinomhusenheten.
 Seseparatinstallationsanvisningförutomhusenheten.
INSTALLATIONSHÅNDBOG TIL INSTALLATØREN
• Dennehåndbogbeskriverkun,hvordanindendørsenhedeninstalleres.
 Vedrørendeinstallationafudendørsenhedenhenvisestilinstallationshåndbogen
forudendørsenheden.
MANUAL DE INSTALAÇÃO PARA O INSTALADOR
• Estemanualdescreveapenasainstalaçãodaunidadeinterior.
 Quandoprocederàinstalaçãodaunidadeexterior,consulteomanualdeinstalação
daunidadeexterior.
 ΓΙΑΤΟΝΤΕΧΝΙΚΟ
• Στοπαρόνεγχειρίδιοπεριγράφεταιμόνοηεγκατάστασητηςμονάδαςεσωτερικούχώρου.
 Γιατηνεγκατάστασητηςμονάδαςεξωτερικούχώρου,ανατρέξτεστοεγχειρίδιοεγκατάστασης
τηςμονάδαςεξωτερικούχώρου.
MANUALE PER L’INSTALLAZIONE PER IL TECNICO INSTALLATORE
• Questomanualedescrivesolol’installazionedell’unitàinterna.
 Perl’installazionedell’unitàesterna,fareriferimentoalmanualeperl’installazione
dell’unitàesterna.
MANUAL DE INSTALACIÓN PARA EL INSTALADOR
• Enestemanualsólosedescribelainstalacióndelaunidadinterior.
 Parainstalarlaunidadexterior,consulteelmanualdeinstalacióndedichaunidad.
INSTALLATIEHANDLEIDING VOOR DE INSTALLATEUR
• Dezehandleidingbeschrijftalleendeinstallatievandebinnenunit.
 Raadpleegdeinstallatiehandleidingvandebuitenunitwanneerudezeinstalleert.
NOTICE D’INSTALLATION POURL’INSTALLATEUR
• Cettenoticenedécritquel’installationdel’unitéinterne.
 Pourl’installationdel’unitéexterne,sereporteràlanoticed’installationdel’appareil.
INSTALLATIONSANLEITUNG FÜR DEN INSTALLATEUR
• DieseAnleitungbeschreibtnurdieInstallationdesInnengerätes.
 ZurInstallationdesAußengerätes lesen Sie bitte die Installationsanleitung des
Außengerätes.

Polski
 ЗаИНСТАЛАТОРА
• Товаръководствоописвасамомонтажанавътрешнототяло.
Примонтираненавъншнототяловижтеръководствотозамонтажнавъншнототяло.
 DLA INSTALATORA
• Niniejszainstrukcjazawieratylkoopisinstalacjijednostkiwewnętrznej.
 Wprzypadkuinstalowaniajednostkizewnętrznejnależyodnieśćsiędoinstrukcji
montażujednostkizewnętrznej.
JG79Y083H03_Cover.indd 1 2016/05/13 17:48:51

En-1
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
• Besuretoread“THEFOLLOWINGSHOULDALWAYSBEOBSERVEDFORSAFETY”beforeinstallingtheairconditioner.
• Besuretoobservethewarningsandcautionsspeciedhereastheyincludeimportantitemsrelatedtosafety.
• Afterreadingthismanual,besuretokeepittogetherwiththeOPERATINGINSTRUCTIONSforfuturereference.
1-2. SELECTING THE INSTALLATION LOCATION
CAUTION
(Couldleadtoseriousinjuryinparticularenvironmentswhenoperatedincorrectly.)
Required Tools for Installation
Phillipsscrewdriver
Level
Scale
Utilityknifeorscissors
65mmholesaw
Torquewrench
Wrench(orspanner)
4mmhexagonalwrench
FlaretoolforR410A
GaugemanifoldforR410A
VacuumpumpforR410A
ChargehoseforR410A
Pipecutterwithreamer
nDo not install the unit by yourself (user).
 Incompleteinstallationcouldcausere,electricshock,
injuryduetotheunitfalling,orleakageofwater.Con-
sultthedealerfromwhomyoupurchasedtheunitor
aqualiedinstaller.
nPerform the installation securely referring to the
installation manual.
 Incompleteinstallationcouldcausere,electricshock,
injuryduetotheunitfalling,orleakageofwater.
nWhen installing the unit, use appropriate protec-
tive equipment and tools for safety.
 Failuretodosocouldcauseinjury.
nInstall the unit securely in a place which can
bear the weight of the unit.
 Iftheinstallationlocationcannotbeartheweightof
theunit,theunitcouldfallcausinginjury.
n Electrical work should be performed by a quali-
ed, experienced electrician, according to the
installation manual. Be sure to use an exclusive
circuit. Do not connect other electrical appli-
ances to the circuit.
 Ifthe capacityof thepower circuitis insufcient or
thereisincompleteelectricalwork,itcouldresultina
reoranelectricshock.
nEarth the unit correctly.
 Donotconnecttheearthtoagaspipe,waterpipe,
lightningrodor telephone earth.Defectiveearthing
couldcauseelectricshock.
n Do not damage the wires by applying excessive
pressure with parts or screws.
 Damagedwirescouldcausereorelectricshock.
n Be sure to cut off the main power in case of set-
ting up the indoor P.C. board or wiring works.
 Failuretodosocouldcauseelectricshock.
n Use the specied wires to connect the indoor
and outdoor units securely and attach the wires
rmly to the terminal block connecting sections
so the stress of the wires is not applied to the
sections. Do not extend the wires, or use inter-
mediate connection.
 Incompleteconnectingandsecuringcouldcausere.
n Do not install the unit in a place where inam-
mable gas may leak.
 Ifgasleaksandaccumulatesintheareaaroundthe
unit,itcouldcauseanexplosion.
nDo not use intermediate connection of the
power cord or the extension cord and do not
connect many devices to one AC outlet.
 Itcouldcauseareoranelectricshockduetode-
fective contact, defective insulation, exceeding the
permissiblecurrent,etc.
n Be sure to use the parts provided or specied
parts for the installation work.
 Theuseofdefectivepartscouldcauseaninjuryor
leakageofwaterduetoare,anelectricshock,the
unitfalling,etc.
n When plugging the power supply plug into the
outlet, make sure that there is no dust, clogging,
or loose parts in both the outlet and the plug.
Make sure that the power supply plug is pushed
completely into the outlet.
 Ifthereisdust,clogging,orloosepartsonthepower
supplyplugortheoutlet,itcouldcauseelectricshock
orre.Ifloosepartsarefoundonthepowersupply
plug,replaceit.
n Attach the electrical cover to the indoor unit and
the service panel to the outdoor unit securely.
 If the electrical cover of the indoor unit and/or the
service panel of the outdoor unit are not attached
securely,itcouldresultinareoranelectricshock
duetodust,water,etc.
n When installing, relocating, or servicing the unit,
make sure that no substance other than the
specied refrigerant (R410A) enters the refriger-
ant circuit.
 Anypresenceofforeignsubstancesuchasaircan
causeabnormalpressureriseandmayresultinexplo-
sionorinjury.Theuseofanyrefrigerantotherthan
thatspeciedforthesystemwillcausemechanical
failure,systemmalfunction,orunitbreakdown.Inthe
worstcase,thiscouldleadtoaseriousimpediment
tosecuringproductsafety.
n Do not discharge the refrigerant into the atmos-
phere. If refrigerant leaks during installation,
ventilate the room.
 Ifrefrigerantcomesincontactwithare,harmfulgas
couldbegenerated.Refrigerantleakagemaycause
suffocation. Provide ventilation in accordance with
EN378-1.
n Check that the refrigerant gas does not leak after
installation has been completed.
 Ifrefrigerantgasleaksindoors,andcomesintocontact
withtheameofafanheater,spaceheater,stove,
etc.,harmfulsubstanceswillbegenerated.
n Use appropriate tools and piping materials for
installation.
 ThepressureofR410Ais1.6timesmorethanR22.
Notusingappropriatetoolsormaterialsandincom-
plete installation could cause the pipes to burst or
injury.
n When pumping down the refrigerant, stop the
compressor before disconnecting the refriger-
ant pipes.
 If the refrigerant pipes are disconnected while the
compressorisrunningandthestopvalveisopen,air
couldbedrawninandthepressureintherefrigeration
cyclecouldbecomeabnormallyhigh.Thiscouldcause
thepipestoburstorinjury.
n When installing the unit, securely connect the
refrigerant pipes before starting the compres-
sor.
 Ifthecompressorisstartedbeforetherefrigerantpipes
areconnectedandwhenthestopvalveisopen,air
couldbedrawninandthepressureintherefrigeration
cyclecouldbecomeabnormallyhigh.Thiscouldcause
thepipestoburstorinjury.
n Fasten a are nut with a torque wrench as speci-
ed in this manual.
 Iffastenedtootight,aarenutmaybreakafteralong
periodandcauserefrigerantleakage.
n The unit shall be installed in accordance with
national wiring regulations.
nInstall an earth leakage breaker depending on
the installation place.
 Ifanearthleakagebreakerisnotinstalled,itcould
causeelectricshock.
nPerform the drainage/piping work securely accord-
ing to the installation manual.
 Ifthere is defectinthedrainage/pipingwork,water
could drop from the unit, soaking and damaging
householdgoods.
n Do not touch the air inlet or the aluminum ns of
the outdoor unit.
 Thiscouldcauseinjury.
nDo not install the outdoor unit where small animals
may live.
 If small animals enter and touch the electric parts
insidetheunit,itcouldcauseamalfunction,smoke
emission,orre.Also,adviseusertokeepthearea
aroundtheunitclean.
nDo not operate the air conditioner during inte-
rior construction and nishing work, or while
waxing the oor.
 Before operating the air conditioner, ventilate the
roomwellaftersuchworkisperformed.Otherwise,it
maycausevolatileelementstoadhereinsidetheair
conditioner,resultinginwaterleakageorscatteringof
dew.
INDOOR UNIT
• Whereairowisnotblocked.
• Wherecool(orwarm)airspreadsovertheentireroom.
• Rigidwallwithoutvibration.
• Whereitisnot exposedtodirectsunshine. Donot
exposetodirectsunshinealsoduringtheperiodfol-
lowingunpackingtobeforeuse.
• Whereeasilydrained.
• Atadistance1mormoreawayfromyourTVandra-
dio.Operationoftheairconditionermayinterferewith
radioorTVreception.Anampliermayberequired
fortheaffecteddevice.
• Inaplaceasfarawayaspossiblefromuorescent
andincandescentlights.
 Inordertomaketheinfraredremotecontroloperate
theairconditionernormally.
 Theheatfromthelightsmaycausedeformationor
theultravioletmaycausedeterioration.
• Wheretheairltercanberemovedandreplacedeasily.
• Whereitisawayfromtheotherheatorsteamsource.
REMOTE CONTROLLER
• Whereitiseasytooperateandeasilyvisible.
• Wherechildrencannottouchit.
• Selectapositionabout1.2mabovetheoorand
check that signals from the remote controller are
surelyreceivedbytheindoorunitfromthatposition
(‘beep’or‘beepbeep’receivingtonesounds).After
that,attachremotecontrollerholdertoapillarorwall
andinstallwirelessremotecontroller.
Note:
Inroomswhereinvertertypeuorescentlampsare
used,thesignalfromthewirelessremotecontroller
maynotbereceived.
Note:
Avoidthefollowingplacesforinstallationwhereair
conditionertroubleisliabletooccur.
• Whereammablegascouldleak.
• Wherethereismuchmachineoil.
• Whereoilissplashedorwheretheareaislled
withoilysmoke(suchascookingareasandfac-
tories,inwhichthepropertiesofplasticcouldbe
changedanddamaged).
• Saltyplacessuchastheseaside.
• Wheresuldegasisgeneratedsuchashotspring,
sewage,wastewater.
• Wherethereishigh-frequencyorwirelessequip-
ment.
• WherethereisemissionofhighlevelsofVOCs,
including phthalate compounds, formaldehyde,
etc.,whichmaycausechemicalcracking.
WARNING (Couldleadtodeath,seriousinjury,etc.)
ENGLISH
Thisinstallationmanualde-
scribesonlyfortheindoorunit.
RefertotheMXZtypemanualfor
outdoorunitsetup.
CONTENTS
1.BEFOREINSTALLATION..................................1
2.INDOORUNITINSTALLATION.........................3
3.PURGINGPROCEDURES,LEAKTEST,AND
TESTRUN.........................................................5
4.RELOCATIONANDMAINTENANCE................5
English is
original.
1. BEFORE INSTALLATION
JG79Y083H03_en.indd 1 2016/05/13 17:49:10

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1-3. SPECIFICATIONS
*1Connecttothepowerswitchwhichhasagapof3mm
ormorewhenopentointerruptthesourcepowerphase.
(Whenthepowerswitchisshutoff,itmustinterruptall
phases.)
*2Usewiresinconformitywithdesign60245IEC57.
*3Neverusepipeswiththicknesslessthanspecied.The
pressureresistancewillbeinsufcient.
*4Useacopperpipeoracopper-alloyseamlesspipe.
*5Be carefulnot tocrush orbendthe pipeduring pipe
bending.
*6Refrigerantpipebending radiusmustbe 100mmor
more.
*7Refertotheinstallationmanualofthemulti-typeoutdoor
units.
*8Insulationmaterial:Heatresistingfoamplastic0.045
specicgravity
*9Besure to use theinsulation of speciedthickness.
Excessivethicknessmay causeincorrectinstallation
oftheindoorunitandinsufcientthicknessmaycause
dewdrippage.
Model Powersupply*1 Wirespecications*2 Pipesize
(thickness*3,*4)
Indoorunit Outdoorunit RatedVoltage Frequency Breakercapacity Powersupply
Indoor/outdoorconnectingwire Gas/Liquid
MSZ-SF15VA
MSZ-SF20VA –
*7
230V 50Hz –
*7
–
*7
4-core
1.0mm2
ø9.52/6.35mm
(0.8mm)
ACCESSORIES
Checkthefollowingpartsbeforeinstallation.
<Indoorunit>
(1) Installationplate 1
(2) Installationplatexingscrew4×25mm 5
(3) Wirelessremotecontroller 1
(4) Felttape(Forleftorleft-rearpiping) 1
(5) Remotecontrollerholder 1
(6) Fixingscrewfor(5)3.5×16mm(Black) 2
(7) Battery(AAA)for(3) 2
PARTS TO BE PROVIDED AT YOUR SITE
(A) Indoor/outdoorunitconnectingwire* 1
(B) Extensionpipe 1
(C) Wallholesleeve 1
(D) Wallholecover 1
(E) Pipexingband 2to5
(F) Fixingscrewfor(E)4×20mm 2to5
(G) Pipingtape 1
(H) Putty 1
(I)
Drainhose
(orsoftPVChose,15mminnerdiameterorhardPVCpipe
VP16)
1or2
(J) Refrigerationoil 1
* Note:
Placeindoor/outdoorunitconnectingwire(A)atleast1m
awayfromtheTVantennawire.
108mm
ormore
81mm
ormore
54mmormore/
130mmormorefor
leftandleftbackpip
-
ing(usingspacer)
13mm
ormore
1-4. INSTALLATION DIAGRAM
Unitsshouldbeinstalledbylicensedcontractoraccording
tolocalcoderequirements.
Indoorunit
Wallhole
sleeve(C)
Cutoffthe
extralength.
Pipexingband
(E)
Besuretousewallhole
sleeve(C)toprevent
indoor/outdoorconnecting
wire(A)fromcontacting
metalpartsinthewall
andtopreventdamage
byrodentsincasethe
wallishollow.
Wallholecover(D)
Sealthewallhole
gapwithputty(H).
Fixthepipetowall
withpipexing
band(E).
Fixingscrew
(F)
Aftertheleaktest,ap-
plyinsulatingmaterial
tightlysothatthereis
nogap.
Whenthepipingistobeattachedtoawallcontainingmetals(tin
plated)ormetalnetting,useachemicallytreatedwoodenpiece20mm
orthickerbetweenthewallandthepipingorwrap7to8turnsofinsula-
tionvinyltapearoundthepiping.
Touseexistingpiping,performCOOLoperationfor30minutesand
pumpdownbeforeremovingtheoldairconditioner.Remakeareac-
cordingtothedimensionfornewrefrigerant.
Before installation
Thisinstallationmanualisonlyfortheindoorunitinstallation.Ininstall-
ingtheoutdoorunits,refertotheinstallationmanualattachedtoeach
outdoorunit.Anystructuralalternationsnecessaryfortheinstallation
mustcomplywiththelocalbuildingcoderequirements.
Drain piping for outdoor unit
Installtheunithorizontally.
Donotusedrainsocketincoldregions.Drainmayfreezeand
makethefanstop.
Theoutdoorunitproducescondensateduringtheheatingopera-
tion.Selecttheinstallationplacetoensuretopreventtheoutdoor
unitand/orthegroundsfrombeingwetbydrainwaterordamaged
byfrozendrainwater.
1.8mto2.3mfromthe
oorisrecommended
JG79Y083H03_en.indd 2 2016/05/13 17:49:10

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2-1. FIXING OF INSTALLATION PLATE
• Findastructuralmaterial(suchasastud)inthewallandxinstallationplate
(1)horizontallybytighteningthexingscrews(2)rmly.
• Topreventinstallationplate(1)fromvibrating,besuretoinstallthexingscrews
intheholesindicatedintheillustration.Foraddedsupport,xingscrewsmay
alsobeinstalledinotherholes.
• Whentheknockoutisremoved,apply vinyltapetotheknockout edgesto
preventdamagingthewires.
• Whenboltsrecessedintheconcretewallaretobeutilized,secureinstallation
plate(1)using11×20·11×26ovalhole(450mmpitch).
• Iftherecessedboltistoolong,changeitforashorteroneavailableinthe
market.
2-2. WALL HOLE DRILLING
1)Determinethewallholeposition.
2)Drillaø65mmhole.Theoutdoorsideshould
be5to7mmlowerthantheindoorside.
3)Insertwallholesleeve(C).
Indoorterminalblock
Indoor/outdoorunit
connectingwire(A)
Outdoorterminalblock
Earthwire(green/yellow)
• Forfutureservicing,giveextralengthtotheconnectingwires.
• Makeearthwirealittlelongerthanothers.(Morethan60mm)
• Donotfoldtheexcesswire,orcramitintosmallspace.Takecautionnot
todamagethewires.
• Besuretoattacheachscrewtoitscorrespondentterminalwhensecuring
thecordand/orthewiretotheterminalblock.
Note: Donotplacethewiresbetweentheindoorunitandtheinstallation
plate(1).Damagedwirecouldcauseheatgenerationorre.
Wall
Outdoorside
ø65mm 5-7mm
Terminalblock
Fixingscrew
Indoor/outdoorunit
connectingwire(A)
VAclamp
Leadwire
15mm
35mm
Installation
plate(1)
Centerof
ø65mmhole
108mm
ormore
81mm
ormore
54mmormore
130mmormoreforleftandleft
backpiping(usingspacer)
Ceiling
Wall Wall
Fixingscrew(2)
*Sameforlefthole.
Insert
the
scale.*
Alignthe
scalewith
theline.*
100mm
Level
Donotmakedrainpipingasshownbelow.
Donot
raise
Accumulated
drainwater
Air
Waving
Water
leakage
Water
leakage
Water
leakage
Tipofdrain
hosedipped
inwater
Ditch
Atleast50mm
gap
Down-
ward
slope
Drainhose
Softhose
I.D.15mm
Drainhose
Hardvinylchloride
pipeI.D.30mm
Insert
securely
Different
diameterjoint
70cm
ormore
Fig.1 Fig.2 Fig.3
2-4. PIPE FORMING AND DRAIN PIPING
Pipe Forming
• Placethedrainhosebelowtherefrigerantpiping.
• Makesurethatthedrainhoseisnotheavedor
snaked.
• Donotpullthehosewhenapplyingthetape.
• Whenthedrainhosepassestheroom,besure
towrapinsulationmaterial(obtainableatastore)
aroundit.
Drain Piping
• Iftheextensiondrainhosehastopassthrougharoom,besuretowrapitwith
commerciallysoldinsulation.
• Thedrainhoseshouldpointdownwardforeasydrainow.(Fig.1)
• Ifthedrainhoseprovidedwiththeindoorunitistooshort,connectitwithdrain
hose(I)thatshouldbeprovidedatyoursite.(Fig.2)
• Whenconnectingthedrainhosetothehardvinylchloridepipe,besureto
insertitsecurelyintothepipe.(Fig.3)
Left or left-rear piping
Note:
Besuretoreattachthedrainhoseandthedraincapincaseofleftorleft-
rearpiping.
Otherwise,itcouldcausedropsofwatertodripdownfromthedrainhose.
1)Puttherefrigerantpipingandthedrainhosetogether,thenrmlyapplyfelt
tape(4)fromtheend.
 Felttape(4)overlap
width should be 1/3
the tape width. Use
a bandage stopper
attheendoffelttape
(4).
2)Pulloutthedraincap
attherearrightofthe
indoorunit.(Fig.1)
• Holdtheconvexsectionattheendandpull
thedraincap.
3)Pull out the drain hose at the rear left of the
indoorunit.(Fig.2)
• Holdtheclawmarkedbythearrowsand
pulloutthedrainhoseforward.
4)Putthedraincapintothesectiontowhichthe
drainhoseistobeattachedattherearofthe
indoorunit.(Fig.3)
• Insertnotsharp-edgedtoolssuchasscrew-
driversintotheholeattheendofthecap
andinsertthecapfullyintothedrainpan.
5)Insertthedrainhosefullyintothedrainpanat
therearrightoftheindoorunit.(Fig.4)
• Checkifthehoseishookedsecurelytothe
projectionofitsinsertingpartatthedrain
pan.
6)Insertthedrainhoseintowallholesleeve(C),
andhooktheupperpartofindoorunitoninstal-
lation plate (1). Then, move the indoor unit
completelytotheleftinordertomakeplacing
thepipinginthebackspaceoftheuniteasier.
7)Cutoutapieceofcardboardfromtheshipping
box,rollitup,hookitontothebackrib,anduse
itasaspacertolifttheindoorunit.(Fig.5)
8)Connecttherefrigerantpipingwiththeextension
pipe(B).
9)Thrustthelowerpartoftheindoorunitintothe
installationplate(1).
Rear, right, or downward piping
1)Puttherefrigerantpipingandthedrain
hosetogether,thenrmlyapplypiping
tape(G)fromtheend.
2)Insert the piping and the drain hose
intothewallholesleeve(C),andhook
theupperpartoftheindoorunitonthe
installationplate(1).
3)Checkiftheindoorunitishookedsecurelyontheinstallationplate(1)by
movingtheunittoleftandright.
4)Thrustthelowerpartoftheindoorunitintotheinstallationplate(1).
Cutoffincaseof
rightpiping.
Cutoffincaseof
downwardpiping.
Draincap
Draincap
Drainhose
Cutoffincaseofleft
piping.
Draincap
Pipingtape(G)
Drainhose
Fig.1
Fig.2
Fig.3
Fig.4
Fig.5
Felttape(4)
2-3. CONNECTING WIRES FOR INDOOR UNIT
Youcanconnectindoor/outdoorleadwirewithoutremovingthefrontpanel.
1)Openthefrontpanel.
2)RemoveVAclamp.
3)Passindoor/outdoorunitconnectingwire(A)fromthebackoftheindoorunit
andprocesstheendofthewire.
4)Loosenterminalscrew,andconnectrsttheearthwire,thenindoor/outdoor
unitconnectingwire(A)totheterminalblock.Becarefulnottomakemis-
wiring.Fixthewiretotheterminalblocksecurelysothatnopartofitscoreis
appeared,andnoexternalforceisconveyedtotheconnectingsectionofthe
terminalblock.
5)Firmly tighten the terminal screws to prevent them from loosening. After
tightening,pullthewireslightlytoconrmthattheydonotmove.
6)Secureindoor/outdoorunitconnectingwire(A)andtheearthwirewiththeVA
clamp.NeverfailtohooktheleftclawoftheVAclamp.AttachtheVAclamp
securely.
Liquidpipe
Gaspipe
Indoor/outdoorunit
connectingwire(A)
Felttape(4)
Pipingtape(G)
2. INDOOR UNIT INSTALLATION
JG79Y083H03_en.indd 3 2016/05/13 17:49:10

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2-5. FLARING WORK
1)Cutthecopperpipecorrectlywithpipecutter.
(Fig.1,2)
2)Completely remove all burrs from the cut
crosssectionofpipe.(Fig.3)
• Puttheendofthecopperpipeto
downwarddirectionasyouremoveburrs
inordertoavoidtoletburrsdropinthe
piping.
3)Remove are nuts attached to indoor and
outdoorunits,thenputthemonpipehaving
completedburrremoval.(Notpossibletoput
themonafteraringwork.)
4)Flaringwork(Fig.4,5).Firmlyholdcopper
pipe in the dimension shown in the table.
SelectAmmfromthetableaccordingtothe
toolyouuse.
5)Check
• ComparethearedworkwithFig.6.
• Ifareisnotedtobedefective,cutoffthearedsectionanddoaring
workagain.
Copper
pipe
Good
TiltedUnevenBurred
Nogood
Fig.1
Fig.2
Burr Copperpipe
Sparereamer
Pipecutter
Clutchtype
Flaringtool
Fig.4
Fig.3
Wingnuttype
Smoothall
around
Evenlength
allaround
Insideisshiningwith-
outanyscratches.
Fig.6
Flarenut
Die
Fig.5
Copperpipe
Pipediameter
(mm)
Nut
(mm)
A(mm) Tighteningtorque
Clutch
type
tool
for
R410A
Clutch
type
tool
forR22
Wing
nuttype
tool
forR22
N•m kgf•cm
ø6.35(1/4”) 17
0to0.5 1.0to
1.5
1.5to
2.0
13.7to17.7 140to180
ø9.52(3/8”) 22 34.3to41.2 350to420
ø12.7(1/2”) 26 2.0to
2.5
49.0to56.4 500to575
ø15.88(5/8”) 29 73.5to78.4 750to800
2-6. PIPE CONNECTION
• Fastenarenutwithatorquewrenchasspeciedinthetable.
• Whenfastenedtootight,arenutmaybreakafteralongperiodandcause
refrigerantleakage.
• Besure towrap insulationaround thepiping.Direct contactwith thebare
pipingmayresultinburnsorfrostbite.
Indoor unit connection
Connectbothliquidandgaspipingstoindoorunit.
• Applyathincoatofrefrigerationoil(J)onthearedendsofthepipes.Donot
applyrefrigerationoilonscrewthreads.Excessivetighteningtorquewillresult
indamageonthescrew.
• Forconnection,rstalignthecenter,thentightentherst3to4turnsofare
nut.
• Usetighteningtorquetableaboveasaguidelineforindoorunitsideunion
jointsection,andtightenusingtwowrenches.Excessivetighteningdamages
thearesection.
Outdoor unit connection
Connectpipestostopvalvepipejointoftheoutdoorunitinthesamemanner
appliedforindoorunit.
• Fortightening,useatorquewrenchorspannerand
usethesametighteningtorqueappliedforindoor
unit.
2-7. INSULATION AND TAPING
1)Coverpipingjointswithpipecover.
2)Foroutdoorunitside,surelyinsulateeverypipingincludingvalves.
3)Usingpipingtape(G),applytapingstartingfromtheentryofoutdoorunit.
• Stoptheendofpipingtape(G)withtape(withadhesiveagentat-
tached).
• Whenpipinghavetobearrangedthroughaboveceiling,closetorwhere
thetemperatureandhumidityarehigh,windadditionalcommercially
soldinsulationtopreventcondensation.
2-8. CONNECTING AN INTERFACE (MAC-
333/397/399 IF-E, option) TO THE AIR CONDI-
TIONER
• ConnectaninterfacetotheindoorcontrolP.C.boardofanaircondi-
tionerwithaconnectingcable.
• Cuttingorextendingtheconnectingcableoftheinterfaceresultsin
defectsinconnecting.Donotbundletheconnectingcabletogetherwith
powersupplycord,indoor/outdoorconnectingwire,and/orearthwire.
Keepasmuchdistanceaspossiblebetweentheconnectingcableand
thosewires.
• Thethinpartoftheconnectingcableshouldbestoredandplaced
wherecustomerscannottouchit.
Thinpartoftheconnectingcable.
Placethispartwherecustomers
cannottouchit.
Roomair
conditioner Mainbodyofaninterface
Connector
Thickpartoftheconnectingcable
Indoorcontrol
P.C.board CN105
1)Removethefrontpanelandthelowerrightcornerpart.
2)OpenthecoveroftheindoorcontrolP.C.board.
3)JointheconnectingcabletoCN105ontheindoorcontrolP.C.board.
4)Routetheconnectingcablethroughthispointinthegure.
5)AttachthecableclampprovidedwithInterfacetothethickpartofthecon-
nectingcablewithascrew4x16asshowninthegure.
6)ClosethecoveroftheindoorcontrolP.C.board.Becarefulnottocatchthe
thinpartoftheconnectingcableinthecover.Reinstallthefrontpaneland
thelowerrightcornerpart.
5)
4)
3)CN105
WARNING
When installing the unit, securely connect the
refrigerant pipes before starting the compressor.
WARNING
Fix the connecting cable at the prescribed position securely.
Incorrect installation may cause electric shock, re, and/ or malfunction
JG79Y083H03_en.indd 4 2016/05/13 17:49:11

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3-1. PURGING PROCEDURES AND LEAK TEST
Refertotheproceduresindicatedintheinstallationmanualoftheoutdoorunit.
3-2. TEST RUN
1)Insertpowersupplyplugintothepoweroutlet
and/orturnonthebreaker.
2)PresstheE.O.SWonceforCOOL,andtwice
forHEAToperation.Testrunwillbeperformed
for30minutes.Iftheleftlampoftheoperation
indicatorblinksevery0.5seconds,inspectthe
indoor/outdoorunitconnectingwire(A)formis-
wiring.Afterthetestrun,emergencymode(set
temperature24ºC)willstart.
3)Tostopoperation,presstheE.O.SWseveral
timesuntilallLEDlampsturnoff.Refertooperat-
inginstructionsfordetails.
Checking the remote (infrared) signal reception
PresstheOFF/ONbuttonontheremotecontroller(3)andcheckthatan
electronicsoundisheardfromtheindoorunit.PresstheOFF/ONbuttonagain
toturntheairconditioneroff.
• Oncethecompressor stops,therestartpreventive deviceoperatessothe
compressorwillnotoperatefor3minutestoprotecttheairconditioner.
3-4. EXPLANATION TO THE USER
• UsingtheOPERATINGINSTRUCTIONS,explaintotheuserhowtousethe
airconditioner(howtousetheremotecontroller,howtoremovetheairlters,
howtoremoveorputtheremotecontrollerintheremotecontrollerholder,
howtoclean,precautionsforoperation,etc.)
• RecommendtheusertoreadtheOPERATINGINSTRUCTIONScarefully.
4-1. REMOVING AND INSTALLING THE PANEL
ASSEMBLY
4-3. PUMPING DOWN
Whenrelocatingordisposingoftheairconditioner,pumpdownthesystem
followingtheprocedurebelowsothatnorefrigerantisreleasedintothe
atmosphere.
1)Connectthegaugemanifoldvalvetotheserviceportofthestopvalveonthe
gaspipesideoftheoutdoorunit.
2)Fullyclosethestopvalveontheliquidpipesideoftheoutdoorunit.
3)Closethestopvalveonthegaspipesideoftheoutdoorunitalmostcompletely
sothatitcanbeeasilyclosedfullywhenthepressuregaugeshows0MPa
[Gauge](0kgf/cm2).
4)StarttheemergencyCOOLoperation.
 To start the emergency operation in COOL mode, disconnect the power
supplyplugand/orturnoffthebreaker.After15seconds,connectthepower
supplyplugand/orturnonthebreaker,andthenpresstheE.O.SWonce.
(TheemergencyCOOLoperationcanbeperformedcontinuouslyforupto30
minutes.)
5)Fullyclosethestopvalveonthegaspipesideoftheoutdoorunitwhenthe
pressuregaugeshows0.05to0MPa[Gauge](approx.0.5to0kgf/cm2).
6)StoptheemergencyCOOLoperation.
PresstheE.O.SWseveraltimesuntilallLEDlampsturnoff.Refertooperating
instructionsfordetails.
4-2. REMOVING THE INDOOR UNIT
Removethebottomoftheindoorunitfromthe
installationplate.
Whenreleasingthecornerpart,releasebothleft
andrightbottomcornerpartofindoorunitandpull
itdownwardandforwardasshowninthegureon
theright.
Removal procedure
1)Remove the 2 screws which x the panel
assembly.
2)Remove the panel assembly. Be sure to
removeitsbottomendrst.
Installation procedure
1)Installthepanel assemblyfollowingthe re-
movalprocedureinreverse.
2)Besuretopressthepositions asindicated
bythearrowsinordertoattachtheassembly
completelytotheunit.
Caution:
• Aftertestrunorremotesignalreceptioncheck,turnofftheunitwiththeE.O.
SWortheremotecontrollerbeforeturningoffthepowersupply.Notdoing
sowillcausetheunittostartoperationautomaticallywhenpowersupplyis
resumed.
To the user
• Afterinstallingtheunit,makesuretoexplaintheuseraboutautorestart
function.
• Ifautorestartfunctionisunnecessary,itcanbedeactivated.Consultthe
servicerepresentativetodeactivatethefunction.Refertotheservicemanual
fordetails.
Emergency
operationswitch
(E.O.SW)
Note:
Whenpower(circuitbreaker)isturnedon,thehorizontalvanesautomatically
movetothenormalposition.
When pumping down the refrigerant, stop the compressor before
disconnecting the refrigerant pipes. The compressor may burst if air
etc. get into it.
WARNING
3-3. AUTO RESTART FUNCTION
Thisproductisequippedwithanautorestartfunction.Whenthepower
supplyisstoppedduringoperation,suchasduringblackouts,thefunction
automaticallystartsoperationintheprevioussettingoncethepowersupplyis
resumed.(Refertotheoperatinginstructionsfordetails.)
3. PURGING PROCEDURES, LEAK TEST, AND TEST RUN
4. RELOCATION AND MAINTENANCE
JG79Y083H03_en.indd 5 2016/05/13 17:49:11

JG79Y083H03
HEADOFFICE:TOKYOBUILDING,2-7-3,MARUNOUCHI,CHIYODA-KU,TOKYO100-8310,JAPAN
Thisproductisdesignedandintendedforuseintheresidential,commercialand
light-industrialenvironment.
JG79Y083H03_Cover.indd 2 2016/05/13 17:48:52