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MODELS

FTXS35K2V1BFTXS42K2V1BFTXS50K2V1B

DAIKIN ROOM AIR CONDITIONER

INSTALLATION MANUALR410A Split Series

Installation manualInstallationsanleitungManuel dinstallation

InstallatiehandleidingManual de instalación

Manuale dinstallazioneΕγχειρίδιο εγκατάστασης

Manual de instalaçãoРуководство по монтажу

Montaj kılavuzları

Manuel dinstallation

Manuale dinstallazione

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3SB65451-17F.fm Page 1 Tuesday, October 16, 2012 5:25 PM

3SB65451-4.fm Page 2 Thursday, October 27, 2011 4:49 PM

1 ■English

Safety Precautions•TheprecautionsdescribedhereinareclassifiedasWARNINGandCAUTION.Theybothcontainimportantinforma-tionregardingsafety.Besuretoobserveallprecautionswithoutfail.

•MeaningofWARNINGandCAUTIONnotices

WARNING ........Failure to follow these instructions properly may result in personal injury or loss of life.

CAUTION .........Failure to observe these instructions properly may result in property damage or personal injury, which may be serious depending on the circumstances.

•Thesafetymarksshowninthismanualhavethefollowingmeanings:

Besuretofollowtheinstructions. Besuretoestablishanearthconnection. Neverattempt.

•Aftercompletinginstallation,conductatrialoperationtocheckforfaultsandexplaintothecustomerhowtooperatetheairconditionerandtakecareofitwiththeaidoftheoperationmanual.

WARNING•Askyourdealerorqualifiedpersonneltocarryoutinstallationwork.Donotattempttoinstalltheairconditioneryourself.Improperinstallationmayresultinwaterleakage,electricshocksorfire.

•Installtheairconditionerinaccordancewiththeinstructionsinthisinstallationmanual.Improperinstallationmayresultinwaterleakage,electricshocksorfire.

•Besuretouseonlythespecifiedaccessoriesandpartsforinstallationwork.Failuretousethespecifiedpartsmayresultintheunitfalling,waterleakage,electricshocksorfire.

•Installtheairconditioneronafoundationstrongenoughtowithstandtheweightoftheunit.Afoundationofinsufficientstrengthmayresultintheequipmentfallingandcausinginjury.

•Electricalworkmustbeperformedinaccordancewithrelevantlocalandnationalregulationsandwithinstructionsinthisinstallationmanual.Besuretouseadedicatedpowersupplycircuitonly.Insufficiencyofpowercircuitcapacityandimproperworkmanshipmayresultinelectricshocksorfire.

•Useacableofsuitablelength.Donotusetappedwiresoranextensionlead,asthismaycauseoverheating,electricshocksorfire.

•Makesurethatallwiringissecured,thespecifiedwiresareused,andthatthereisnostrainontheterminalconnectionsorwires.Improperconnectionsorsecuringofwiresmayresultinabnormalheatbuild-uporfire.

•Whenwiringthepowersupplyandconnectingthewiringbetweentheindoorandoutdoorunits,positionthewiressothatthecontrolboxlidcanbesecurelyfastened.Improperpositioningofthecontrolboxlidmayresultinelectricshocks,fireoroverheatingterminals.

•Ifrefrigerantgasleaksduringinstallation,ventilatetheareaimmediately.Toxicgasmaybeproducediftherefrigerantcomesintocontactwithfire.

•Aftercompletinginstallation,checkforrefrigerantgasleakage.Toxicgasmaybeproducediftherefrigerantgasleaksintotheroomandcomesintocontactwithasourceoffire,suchasafanheater,stoveorcooker.

•Wheninstallingorrelocatingtheairconditioner,besuretobleedtherefrigerantcircuittoensureitisfreeofair,anduseonlythespecifiedrefrigerant(R410A).Thepresenceofairorotherforeignmatterintherefrigerantcircuitcausesabnormalpressurerise,whichmayresultinequipmentdamageandeveninjury.

•Duringinstallation,attachtherefrigerantpipingsecurelybeforerunningthecompressor.Iftherefrigerantpipesarenotattachedandthestopvalveisopenwhenthecompressorisrun,airwillbesuckedin,causingabnormalpressureintherefrigerationcycle,whichmayresultinequipmentdamageandeveninjury.

•Duringpump-down,stopthecompressorbeforeremovingtherefrigerantpiping.Ifthecompressorisstillrunningandthestopvalveisopenduringpump-down,airwillbesuckedinwhentherefrigerantpipingisremoved,causingabnormalpressureintherefrigerationcycle,whichmayresultinequipmentdamageandeveninjury.

•Besuretoearththeairconditioner.Donotearththeunittoautilitypipe,lightningconductorortelephoneearthlead.Imperfectearthingmayresultinelectricshocks.

•Besuretoinstallanearthleakagebreaker.Failuretoinstallanearthleakagebreakermayresultinelectricshocksorfire.

CAUTION•Donotinstalltheairconditioneratanyplacewherethereisadangerofflammablegasleakage.Intheeventofagasleakage,build-upofgasneartheairconditionermaycauseafiretobreakout.

•Whilefollowingtheinstructionsinthisinstallationmanual,installdrainpipingtoensureproperdrainageandinsulatepipingtopreventcondensation.Improperdrainpipingmayresultinindoorwaterleakageandpropertydamage.

•Tightentheflarenutaccordingtothespecifiedmethodsuchaswithatorquewrench.Iftheflarenutistootight,itmaycrackafterprolongeduse,causingrefrigerantleakage.

01_EN_3P320971-1A.indd 1 11/1/2012 4:44:15 PM

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■English 2

AccessoriesIndoor unit A – H ,

Mountingplate 1 Remotecontrollerholder 1 Operationmanual 1

Titaniumapatitephotocatalyticair-purifyingfilter

2 DrybatteryAAA.LR03

(alkaline)2 Installationmanual 1

Wirelessremotecontroller 1 Indoorunitfixingscrew

(M4×12L)2

Choosing an Installation Site•Beforechoosingtheinstallationsite,obtainuserapproval.

1. Indoor unit•Theindoorunitshouldbesitedinaplacewhere:1)therestrictionsoninstallationspecifiedintheindoorunitinstallationdrawingsaremet,2)bothairinletandairoutlethaveclearpathsmet,3)theunitisnotinthepathofdirectsunlight,4)theunitisawayfromthesourceofheatorsteam,5)thereisnosourceofmachineoilvapour(thismayshortenindoorunitlife),6)cool(warm)airiscirculatedthroughouttheroom,7)theunitisawayfromelectronicignitiontypefluorescentlamps(inverterorrapidstarttype)astheymayshortenthe

remotecontrollerrange,8)theunitisatleast1mawayfromanytelevisionorradioset(unitmaycauseinterferencewiththepictureorsound),9)nolaundryequipmentislocated.

2. Wireless remote controller•Turnonallthefluorescentlampsintheroom,ifany,andfindthesitewhereremotecontrollersignalsareproperlyreceivedbytheindoorunit(within7m).

A D G

B EH

CF

01_EN_3P320971-1A.indd 2 11/1/2012 4:44:15 PM

3 ■English

Preparation before Installation1. Removing and installing the front panel

•Removal method1)Placeyourfingersintheindentationsonthemainunit(oneeachonthe

leftandrightsides),andopenthefrontpaneluntilitstops.2)Continuetoopenthefrontpanelfurtherwhileslidingthepaneltothe

rightandpullingittowardyouinordertodisengagethefrontpanelshaftontheleftside.Todisengagethefrontpanelshaftontherightside,slidethepaneltotheleftwhilepullingittowardyou.

•Installation methodAlignthetabsofthefrontpanelwiththegrooves,andpushallthewayin.Thencloseslowly.Pushthecentreofthelowersurfacepanelfirmlytoengagethetabs.

Front panel shaft

Groove

2. Removing and installing the front grille•Removal method1)Removethefrontpaneltoremovetheairfilter.2)Removethe3screwsfromthefrontgrille.3)Infrontofthe markofthefrontgrille,thereare3upperhooks.

Lightlypullthefrontgrilletowardyouwithonehand,andpushdownonthehookswiththefingersofyourotherhand.

Upper hook mark area(3 locations)

Pushdown.

Upper hook

When there is no work space because the unit is close to ceiling

CAUTION•Besuretowearprotectiongloves.

Placebothhandsunderthecentreofthefrontgrille,andwhilepushingup,pullittowardyou.•Installation method1)Installthefrontgrilleandfirmlyengagetheupperhooks(3locations).2)Install3screwsofthefrontgrille.3)Installtheairfilterandthenmountthefrontpanel.

1) Push up.

2) Pull toward you.

3. How to set the different addressesWhentwoindoorunitsareinstalledinoneroom,thetwowirelessremotecontrollerscanbesetfordifferentaddresses.1)Removethemetalplateelectricalwiringcover.

(RefertotheRemoval/attachment methods of metal plate electrical wiring covers.)

2)Cuttheaddressjumper(JA)ontheprintedcircuitboard.3)Cuttheaddressjumper(J4)intheremotecontroller.

•Becarefulnottocutjumper(J8).

ADDRESS

JA

ADDRESSJAEXIST 1CUT 2

Jumper

ADDRESSJ4EXISTCUT

12

(J8) (J4)

01_EN_3P320971-1A.indd 3 11/1/2012 4:44:17 PM

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Indoor Unit Installation Drawings

Screws(M4 × 16L)

Service lid

Caulk pipe hole gap with putty.

Wrap the insulation pipe with the finishing tape from bottom to top.

Cut thermal insulation pipe to an appropriate length and wrap it with tape, making sure that no gap is left in the insulation pipe’s cut line.

Bottom frameFront grille

■ How to attach the indoor unitHook the claws of the bottom frame to the mounting plate.If the claws are difficult to hook, remove the front grille.

■ How to remove the indoor unitPush up the lower part of the front grille to release the claws. If they are difficult to release, remove the front grille.

■ Opening the service lidThe service lid is opening/closing type.

■ Opening method1) Remove the service lid screw.2) Pull out the service lid diagonally

down in the direction of the arrow.3) Pull down.

The mounting plate should be installed on a wall which can support the weight of the indoor unit.

30mm or more from ceiling

Front panel

50mm or more from walls (on both sides)

Air filters

A Mounting plate

A Mounting plate

Mounting plate fixing screw (field supply: M4 × 25L)

C Wireless remote controller

Fixing screw for remote controller holder (field supply: M3 × 20L)

D Remote controller holder

Air filter

Titanium apatite photocatalytic air-purifying filter

Filter frame

Tab

Titanium apatite photocatalytic air-purifying filter (2 pcs)

Before screwing the remote controller holder to the wall, make sure that control signals are properly received by indoor unit.

Claw

B

01_EN_3P320971-1A.indd 4 11/1/2012 4:44:18 PM

5 ■English

Indoor Unit Installation1. Installing the mounting plate

•Themountingplateshouldbeinstalledonawallwhichcansupporttheweightoftheindoorunit.1)Temporarilysecurethemountingplatetothewall,makesurethatthepaneliscompletelylevel,andmarktheboring

pointsonthewall.2)Securethemountingplatetothewallwithscrews.

Recommended mounting plate retention spots and dimensions

209 241 191.5

66 106176150

384

900

344

75.5

4825

0

4829

8

50

50

Use tape measure as shown.

unit: mm

Removed pipe port cover

Recommended mounting plate retention spots (5 spots in all)

Place a leveler on raised tab.

Drain hose positionKeep here the piece cut out from the unit for piping

Liquid pipe end Gas pipe end

A Mounting plate

* The removed pipe port cover can be kept in the mounting plate pocket.

Position the end of a tape measure at .

Through-the-wall hole ϕ65mm

2. Boring a wall hole and installing wall embedded pipe•Forwallscontainingmetalframeormetalboard,besuretouseawallembeddedpipeandwallcoverinthefeed-throughholetopreventpossibleheat,electricalshock,orfire.

•Besuretocaulkthegapsaroundthepipeswithcaulkingmaterialtopreventwaterleakage.1)Boreafeed-throughholeof65mminthewallsoithasadownslopetowardtheoutside.2)Insertawallpipeintothehole.3)Insertawallcoverintowallpipe.4)Aftercompletingrefrigerantpiping,wiring,anddrainpiping,caulkpipe

holegapwithputty.

Inside Outside

Caulking

Wall embedded pipe (field supply)

Wall hole cover(field supply)

Wall embedded pipe (field supply)

ϕ65

3. Installing the indoor unit•Inthecaseofbendingorcuringrefrigerantpipes,keepthefollowingprecautionsinmind.Abnormalsoundmaybegeneratedifimproperworkisconducted.1)Donotstronglypresstherefrigerantpipesontothebottomframe.2)Donotstronglypresstherefrigerantpipesonthefrontgrille,either. 1)

2)

01_EN_3P320971-1A.indd 5 11/1/2012 4:44:19 PM

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■English 6

•Removethepipeportcoverasshownbelow.1)Cutoffthepipeportcoverfrominsidethefrontgrilleusingacopping

saw.Applythebladeofthecoppingsawtothenotch,andcutoffthepipeportcoveralongtheuneveninnersurface.

2)Aftercuttingoffthepipeportcover,performfiling.Removetheburrsalongthecutsectionusingahalfroundneedlefile.

CAUTION•Ifthepipeportcoveriscutoffusingnippers,thefrontgrillewillbedamaged.Pleasedonotusenippers.•Wearglovesduringthepipeportcoverremoval.

3-1. Right-side, right-back, or right-bottom piping1)Attachthedrainhosetotheundersideoftherefrigerantpipeswith

adhesivevinyltape.2)Wraptherefrigerantpipesanddrainhosetogetherwithinsulation

tape.Right-bottom piping

Right-back piping

Right-side piping

Bind refrigerant pipe and drain hose together with insulating tape.

Remove pipe port cover here for right-side piping.

Remove pipe port cover here for right-bottom piping.

3)Passthedrainhoseandrefrigerantpipesthroughthewallhole,thensettheindoorunitonthemountingplatehooksbyusingthemarkingsatthetopoftheindoorunitasaguide.

Mounting plateA

4)Openthefrontpanel,thenopentheservicelid.(Refertopreparationbeforeinstallation.)

5)Passtheinter-unitwirefromtheoutdoorunitthroughthefeed-throughwallholeandthenthroughthebackoftheindoorunit.Pullthemthroughthefrontside.Bendtheendsoftiewiresupwardforeasierworkinadvance.(Iftheinter-unitwireendsaretobestrippedfirst,bundlewireendswithadhesivetape.)

6)Pressthebottomframeoftheindoorunitwithbothhandstosetitonthemountingplatehooks.Makesurethewiresdonotcatchontheedgeoftheindoorunit.

Wire guide

When stripping the ends of inter-unit wire in advance, bind right ends of wires with insulating tape.

Hang indoor unit’s hook here.

Inter-unit wire

Mounting plateA

01_EN_3P320971-1A.indd 6 11/1/2012 4:44:20 PM

7 ■English

Indoor Unit Installation3-2. Left-side, left-back, or left-bottom piping

How to replace the drain plug and drain hose•Replacing onto the left side1)Removetheinsulationfixingscrewontheright

andremovethedrainhose.2)Removethedrainplugontheleftsideand

attachittotherightside.3)Insertthedrainhoseandtightenwithincluded

insulationfixingscrew.*(Forgettingtotightenthismaycausewaterleakages.)

Drain hose attachment position* The drain hose is on the back of the unit.

Front side of unit

Attachment on the right side (factory default)Attachment on the left side

Drain hose Drain hose

Insulation fixing screw

Insulation fixing screw

Right sideLeft side

1)Attachthedrainhosetotheundersideoftherefrigerantpipeswithadhesivevinyltape.

Remove pipe port cover here for left-bottom piping.

Remove pipe port cover here for left-side piping.

Left-bottom piping

Left-side piping

Left-back piping

2)Besuretoconnectthedrainhosetothedrainportinplaceofadrainplug.

How to set drain plug

No gap.Do not apply lubricating oil (refrigeration oil) when inserting.Application of causes deterioration and drain leakage of the plug.

Insert a hexagonal wrench (4mm).

3)Shapetherefrigerantpipesalongthepipepathmarkingonthemountingplate.

4)Passdrainhoseandrefrigerantpipesthroughthewallhole,thensettheindoorunitonmountingplatehooks,usingthe markingsatthetopofindoorunitasaguide.

5)Pullintheinter-unitwire.6)Connecttheinter-unitpipes.

Drain hose

Caulk this hole with putty or caulking material. Bind with adhesive

vinyl tape.

A Mounting plate

Wrap insulating tape around the bent portion of refrigerant pipes. Overlap at least half the width of the tape with each turn.

7)Wraptherefrigerantpipesanddrainhosetogetherwithinsulationtapeasrightfigure,incaseofsettingthedrainhosethroughthebackoftheindoorunit.

8)Whileexercisingcaresothattheinter-unitwiredonotcatchindoorunit,pressthebottomedgeofindoorunitwithbothhandsuntilitisfirmlycaughtbythemountingplatehooks.Secureindoorunittothemountingplatewithindoorunitfixingscrews(M4×12L).

Refrigerantpipes

Drain hose

Bottom frame

F Indoor unit fixing screw (M4 × 12L) (2 locations)

Mountingplate

AInter-unit wire

3-3. Wall embedded pipingFollowtheinstructionsgivenunderleft-side,left-back,orleft-bottompiping.1)Insertthedrainhosetothisdepthsoitwon’tbepulledoutofthedrain

pipe.

Inner wall

Vinyl chloride drain pipe (VP-30)

Drain hose50mm or more

Insert drain hose to this depth so it won’t be pulled out of drain pipe.

Outer wall

01_EN_3P320971-1A.indd 7 11/1/2012 4:44:21 PM

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4. Wiring1)Stripwireends(15mm).2)Matchwirecolourswithterminalnumbersonindoorandoutdoorunit’sterminalblocksandfirmlyscrewwirestothe

correspondingterminals.3)Connecttheearthwirestothecorrespondingterminals.4)Pullwirestomakesurethattheyaresecurelylatchedup,thenretainwireswithwireretainer.5)Shapethewiressothattheservicelidfitssecurely,thencloseservicelid.

Terminal block

Electrical component box

Wire retainer

1 2 3

Use the specified wire type.

Shape wires so that the service lid will fit securely.

Firmly secure wire retainer so that wires sustain no external stress.

123

1 2 3 L NInter-unit wire4-core 1.5mm² or moreH05RN

Firmly fix the wires with the terminal screws.

Outdoor unit

Indoor unit

Firmly fix the wires with the terminal screws.

WARNING•Donotusetappedwires,strandedwires,extensioncords,orstarburstconnections,astheymaycauseoverheating,electricalshock,orfire.

•Donotuselocallypurchasedelectricalpartsinsidetheproduct.(Donotbranchthepowerforthedrainpump,etc.,fromtheterminalblock.)Doingsomaycauseelectricshockorfire.

•Donotconnectthepowerwiretotheindoorunit.Doingsomaycauseelectricshockorfire.

5. When connecting to an HA system. (Wired remote controller, central remote controller etc.)1)Removethemetalplateelectrical

wiringcover.(RefertotheRemoval/attach-ment methods of metal plate electrical wiring covers.)

2)Snapofftheclaw.3)Attachtheconnectioncordtothe

S21connectorandpulltheharnessoutthroughthenotchedpartinthefigure.

4)Replacetheelectricalwiringcoverasitwas,andpulltheharnessaround,asshowninthefigure.

HA connector(S21)

HA connector(S21)

Lay the HA cord as shown in the figure.

Claw

01_EN_3P320971-1A.indd 8 11/1/2012 4:44:23 PM

9 ■English

Indoor Unit Installation•Removal methods of metal plate electrical wiring covers1)Removethefrontgrille.2)Removetheelectricalwiringbox.(1screw)3)Raisethe2upperpartsofthemetalplateelectricalwiringcover,pullthepartsfrontward,andremovethe3tabs.4)Slidethemetalplateelectricalwiringcoverupwardandremovethe2tabsonthelowerside.

3) Raise the 2 upper parts of the metal plate electrical wiring cover, pull the parts frontward, and remove the 3 tabs.

4) Slide the metal plate electrical wiring cover upward and remove the 2 tabs on the lower side.

Pull

Pull

Slide

Pull

Tab

Screw

2) Remove the electrical wiring box. (1 screw)

Tab

Slide

Slide

•Attachment methods of metal plate electrical wiring coversAttachthemetalplateelectricalwiringcoversasshownbelow.1)Leanthemetalplateelectricalwiringcoverasshowninthefigureandattachtab(1)onthelowersidetotheelectrical

wiringbox.2)Attachtab(2)onthelowersideofthemetalplateelectricalwiringcover.

Tab (2)

Tab (1)

Tab (1)

3)Pushintheupperpartofthemetalplateelectricalwiringcoverandattachthe3tabs.

Tab

01_EN_3P320971-1A.indd 9 11/1/2012 4:44:26 PM

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■English 10

6. Drain piping1)Connectthedrainhose,asdescribedright.

The drain hose should be inclined downward.

No trap is permitted.

Do not put the end of the hose in water.

2)Removetheairfiltersandpoursomewaterintothedrainpantocheckthewaterflowssmoothly.

3)Ifdrainhoseextensionorembeddeddrainpipingisrequired,useappropriatepartsthatmatchthehosefrontend.

[Figureofhosefrontend]

ϕ16

ϕ18

4)Whenextendingthedrainhose,useacommerciallyavailableextensionhosewithaninnerdiameterof16mm.Besuretothermallyinsulatetheindoorsectionoftheextensionhose.

Indoor unit drain hose

Extension drain hose

Heat insulation tube(field supply)

ϕ16

ϕ16

Drain hose supplied with the indoor unit

5)Whenconnectingarigidpolyvinylchloridepipe(nominaldiameter13mm)directlytothedrainhoseattachedtotheindoorunitaswithembed-dedpipingwork,useanycommerciallyavailabledrainsocket(nominaldiameter13mm)asajoint.

Commercially available drain socket (nominal diameter 13mm)

Commercially available rigid polyvinyl chloride pipe(nominal diameter 13mm)

Drain hose supplied with the indoor unit

ϕ18

Refrigerant Piping Work1. Flaring the pipe end

1)Cutthepipeendwithapipecutter.2)Removeburrswiththecutsurfacefacingdownward

sothatthechipsdonotenterthepipe.3)Puttheflarenutonthepipe.4)Flarethepipe.5)Checkthattheflaringisproperlymade.

Set exactly at the position shown below.

A

Flaring

Die A 0-0.5mm

Clutch-type

Flare tool for R410A

1.0-1.5mm

Clutch-type (Rigid-type)

1.5-2.0mm

Wing-nut type (Imperial-type)

Conventional flare tool

(Cut exactly at right angles.) Remove burrs.

CheckFlare’s inner surface must be flaw-free.

The pipe end must be evenly flared in a perfect circle.

Make sure that the flare nut is fitted.

WARNING•Donotusemineraloilonflaredpart.•Preventmineraloilfromgettingintothesystemasthiswouldreducethelifetimeoftheunits.•Neverusepipingwhichhasbeenusedforpreviousinstallations.Onlyusepartswhicharedeliveredwiththeunit.•DoneverinstalladriertothisR410Aunitinordertoguaranteeitslifetime.•Thedryingmaterialmaydissolveanddamagethesystem.•Incompleteflaringmaycauserefrigerantgasleakage.

01_EN_3P320971-1A.indd 10 11/1/2012 4:44:27 PM

11 ■English

Refrigerant Piping Work2. Refrigerant piping

CAUTION•Usetheflarenutfixedtothemainunit.(Topreventcrackingoftheflarenutbyageddeterioration.)•Topreventgasleakage,applyrefrigerationoilonlytotheinnersurfaceoftheflare.(UserefrigerationoilforR410A.)•Usetorquewrencheswhentighteningtheflarenutstopreventdamagetotheflarenutsandgasleakage.

Alignthecentresofbothflaresandtightentheflarenuts3or4turnsbyhand.Thentightenthemfullywiththetorquewrenches.

Do not apply refrigeration

oil to the outer surface.

Flare nut

Apply refrigeration oil to

the inner surface of the

flare.

Do not apply refrigeration oil to

the flare nut to avoid tightening

with excessive torque.

[Apply oil]

Torque wrench

Piping union

Flare nut

Spanner

[Tighten]

Flare nut tightening torqueGas side Liquid side

3/8 inch1/4 inch

35, 42 class

32.7-39.9N • m(330-407kgf • cm)

1/2 inch50 class

49.5-60.3N • m(505-615kgf • cm)

14.2-17.2N • m(144-175kgf • cm)

2-1. Caution on piping handling1)Protecttheopenendofthepipeagainstdustandmoisture.2)Allpipebendsshouldbeasgentleaspossible.Useapipebender

forbending.

Wall

If no flare cap is available, cover the flare mouth with tape to keep dirt or water out.

Be sure to place a cap.

Rain

2-2. Selection of copper and heat insulation materials•Whenusingcommercialcopperpipesandfittings,observethefollowing:1)Insulationmaterial:Polyethylenefoam

Heattransferrate:0.041to0.052W/mK(0.035to0.045kcal/mh°C)Refrigerantgaspipe’ssurfacetemperaturereaches110°Cmax.Chooseheatinsulationmaterialsthatwillwithstandthistemperature.

2)Besuretoinsulateboththegasandliquidpipingandtoprovideinsulationdimensionsasbelow.

Gas pipeLiquid pipe

Gas pipe insulation

Liquid pipe insulation

Finishing tape Drain hose

Inter-unit wire

Gasside LiquidsideGaspipethermal

insulationLiquidpipethermal

insulation35,42class 50class

O.D.6.4mm I.D.12-15mm I.D.8-10mmO.D.9.5mm O.D.12.7mm

Minimumbendradius Thickness10mmMin.30mmormore

Thickness0.8mm(C1220T-O)

3)Useseparatethermalinsulationpipesforgasandliquidrefrigerantpipes.

01_EN_3P320971-1A.indd 11 11/1/2012 4:44:28 PM

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Trial Operation and Testing1. Trial operation and testing

1-1 Measurethesupplyvoltageandmakesurethatitfallsinthespecifiedrange.

1-2 Trialoperationshouldbecarriedoutineithercoolingorheatingmode.

•Incoolingmode,selectthelowestprogrammabletemperature;inheatingmode,selectthehighestprogrammabletemperature.1)Trialoperationmaybedisabledineithermodedependingontheroomtemperature.

Usetheremotecontrollerfortrialoperationasdescribedbelow.2)Aftertrialoperationiscomplete,setthetemperaturetoanormallevel(26°Cto28°Cincoolingmode,20°Cto24°Cin

heatingmode).3)Forprotection,thesystemdisablesrestartoperationfor3minutesafteritisturnedoff.

1-3 Carryoutthetestoperationinaccordancewiththeoperationmanualtoensurethatallfunctionsandparts,suchaslouvermovement,areworkingproperly.•Theairconditionerrequiresasmallamountofpowerinitsstandbymode.Ifthesystemisnottobeusedforsometimeafterinstallation,shutoffthecircuitbreakertoeliminateunnecessarypowerconsumption.

•Ifthecircuitbreakertripstoshutoffthepowertotheairconditioner,thesystemwillrestoretheoriginaloperationmodewhenthecircuitbreakerisopenedagain.

Trial operation from remote controller1) Press“ON/OFF”buttontoturnonthesystem.2) Press“TEMP”button(2locations)and“MODE”buttonatthesametime.3) Press“TEMP”buttonandselect“T”.4) Press“MODE”button.5) Trialoperationterminatesinapprox.30minutesandswitchesintonormalmode.Toquitatrialoperation,press

“ON/OFF”button.

2. Test items

TestitemsSymptom

(diagnosticdisplayonRC)Check

Indoorandoutdoorunitsareinstalledproperlyonsolidbases. Fall,vibration,noise

Norefrigerantgasleaks. Incompletecooling/heatingfunction

Refrigerantgasandliquidpipesandindoordrainhoseextensionarethermallyinsulated.

Waterleakage

Draininglineisproperlyinstalled. Waterleakage

Systemisproperlyearthed. Electricalleakage

Thespecifiedwiresareusedforinter-unitwiring. Inoperativeorburndamage

Indoororoutdoorunit’sairinletorairoutlethasclearpathofair. Incompletecooling/heatingfunction

Stopvalvesareopened. Incompletecooling/heatingfunction

Indoorunitproperlyreceivesremotecontrolcommands. Inoperative

willappearwhentheMODEbuttonispressed.* Noheating

* If the is not displayed, make sure not to cut the switching jumper (J8) for cooling operation when cutting the address jumper. If it has been cut, replace the remote controller.

Jumper (J8)

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Two-dimensional bar code is a code for manufacturing.

3P320971-1A M12B269 (1210) HT

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