II F616392 EU Lampair.co.uk/wp-content/uploads/Media/Panasonic/VRF/...5 ENGLISH 1. GENERAL This...

– VRF System Air Conditioner –

■R410A ModelsModel No.

Indoor Units

Type Indoor Unit Type

Rated Capacity

36 45 56 73 106 140

T2 Ceiling S-36MT2E5A S-45MT2E5A S-56MT2E5A S-73MT2E5A S-106MT2E5A S-140MT2E5A

ENGLISHReadthroughtheInstallationInstructionsbeforeyouproceedwiththeinstallation.Inparticular,youwillneedtoreadunderthe“IMPORTANT!”sectionatthetopofthepage.

FRANÇAISLisezlesinstructionsd’installationavantdecommencerl’installation.Enparticulier,vousdevezlirelasection“IMPORTANT!”enhautdelaplage.

ESPAÑOLLealasInstruccionesdeinstalaciónantesdeprocederconlainstalacióndelequipo.Enconcreto,deberáleerdetenidamentelasección“¡IMPORTANTE!”situadaalprincipiodelapágina.

DEUTSCHLesenSiedieEinbauanleitung,bevorSiemitderInstallationbeginnen.InsbesonderedieHinweiseimAbschnitt“WICHTIG!”obenaufderSeitemüssenunbedingtgelesenwerden.

ITALIANOLeggereleIstruzionidiinstallazioneprimadiprocedereconl’installazione.Prestareparticolareattenzioneallasezione“IMPORTANTE!”all’iniziodellapagina.

NEDERLANDSLeesdeinstallatie-instructieszorgvuldigdoorvoorubegintmetdeinstallatie.Umoetvooralhetgedeeltewaar“BELANGRIJK!”bovenstaatheelgoedlezen.

PORTUGUÊSLeiacuidadosamenteasinstruçõesdeinstalaçãoantesdeprosseguircomainstalação.Emparticular,énecessáriolerasinformaçõesnasecção“IMPORTANTE!”napartesuperiordapágina.

ΕΛΛΗΝΙΚΆΔιαβάστε τις Οδηγίες εγκατάστασης πριν συνεχίσετε με την εγκατάσταση.Συγκεκριμένα, θα χρειαστεί να διαβάσετε την ενότητα «ΣΗΜΑΝΤΙΚΟ!» στο πάνω μέρος της σελίδας.

БЪЛГАРСКИПрочетете инструкциите за инсталиране преди да продължите с инсталирането.В частност, ще трябва да прочетете раздела „ВАЖНО!“ в горната част на страницата.

РУССКИЙПеред выполнением установки прочтите инструкцию по установке.В частности, вам следует прочесть раздел «ВАЖНО!» вверху страницы.

УКРАЇНСЬКАПерш ніж продовжити встановлення, прочитайте вказівки зі встановлення.Зокрема, обов’язково прочитайте розділ «ВАЖЛИВО!» вгорі сторінки.

B.INDONESIABacalah seluruh Petunjuk Pemasangan sebelum Anda melakukan pemasangan. Secara khusus, Anda perlu membaca bagian “PENTING!” di bagian atas halaman.

forRefrigerantR410A

INSTALLATION INSTRUCTIONS

F616392

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AMP Air Conditioning www.ampair.co.uk | [email protected]

2

IMPORTANT! Please Read Before StartingThisairconditionermustbeinstalledbythesalesdealerorinstaller.

Thisinformationisprovidedforuseonlybyauthorizedpersons.

For safe installation and trouble-free operation, you must:● Carefullyreadthisinstructionbookletbeforebeginning.● Followeachinstallationorrepairstepexactlyasshown.● Thisairconditionershallbeinstalledinaccordancewith

NationalWiringRegulations.● Paycloseattentiontoallwarningandcautionnotices

giveninthismanual.

WARNINGThissymbolreferstoahazardorunsafepracticewhichcanresultinseverepersonalinjuryordeath.

CAUTIONThissymbolreferstoahazardorunsafepracticewhichcanresultinpersonalinjuryorproductorpropertydamage.

If Necessary, Get HelpTheseinstructionsareallyouneedformostinstallationsitesandmaintenanceconditions.Ifyourequirehelpforaspecialproblem,contactoursales/serviceoutletoryourcertifieddealerforadditionalinstructions.

In Case of Improper InstallationThemanufacturershallinnowayberesponsibleforimproperinstallationormaintenanceservice,includingfailuretofollowtheinstructionsinthisdocument.

SPECIAL PRECAUTIONS

WARNING WARNING When Wiring

Risk of Electric Shock

WARNING

ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A QUALIFIED, EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYSTEM.

•Donotsupplypowertotheunituntilallwiringandtubingarecompletedorreconnectedandchecked.

•Highlydangerouselectricalvoltagesareusedinthissystem.Carefullyrefertothewiringdiagramandtheseinstructionswhenwiring.Improperconnectionsandinadequategroundingcancauseaccidental injury or death.

•Connectallwiringtightly.Loosewiringmaycauseoverheatingatconnectionpointsandapossiblefirehazard.

•Provideapoweroutlettobeusedexclusivelyforeachunit.

•Provideapoweroutletexclusivelyforeachunit,andfulldisconnectionmeanscontactseparationinallpolesmustbeincorporatedinthefixedwiringinaccordancewiththewiringrules.

•Topreventpossiblehazardsfrominsulationfailure,theunitmustbegrounded.

When TransportingBecarefulwhenpickingupandmovingtheindoorandoutdoorunits.Getapartnertohelp,andbendyourkneeswhenliftingtoreducestrainonyourback.Sharpedgesorthinaluminumfinsontheairconditionercancutyourfingers.

When Installing…

Selectaninstallationlocationwhichisrigidandstrongenoughtosupportorholdtheunit,andselectalocationforeasymaintenance.

…In a RoomProperlyinsulateanytubingruninsidearoomtoprevent“sweating”thatcancausedrippingandwaterdamagetowallsandfloors.

WARNINGCAUTIONKeepthefirealarmandtheairoutletatleast1.5mawayfromtheunit.

…In Moist or Uneven LocationsUsearaisedconcretepadorconcreteblockstoprovideasolid,levelfoundationfortheoutdoorunit.Thispreventswaterdamageandabnormalvibration.…In an Area with High WindsSecurelyanchortheoutdoorunitdownwithboltsandametalframe.Provideasuitableairbaffle.…In a Snowy Area (for Heat Pump-type Systems)Installtheoutdoorunitonaraisedplatformthatishigherthandriftingsnow.Providesnowvents.…In laundry roomsDonotinstallinlaundryrooms.Indoorunitisnotdripproof.

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ISHWhen Connecting Refrigerant Tubing

WARNINGWARNING

•Whenperformingpipingworkdonotmixairexceptforspecifiedrefrigerant(R410A)inrefrigerationcycle.Itcausescapacitydown,andriskofexplosionandinjuryduetohightensioninsidetherefrigerantcycle.

•Refrigerantgasleakagemaycausefire.

•Donotaddorreplacerefrigerantotherthanspecifiedtype.Itmaycauseproductdamage,burstandinjury,etc.

•Ventilatetheroomwell,intheeventthatisrefrigerantgasleaksduringtheinstallation.Becarefulnottoallowcontactoftherefrigerantgaswithaflameasthiswillcausethegenerationofpoisonousgas.

•Keepalltubingrunsasshortaspossible.

•Usetheflaremethodforconnectingtubing.

•Applyrefrigerantlubricanttothematchingsurfacesoftheflareanduniontubesbeforeconnectingthem,thentightenthenutwithatorquewrenchforaleak-freeconnection.

•Checkcarefullyforleaksbeforestartingthetestrun.

•Donotleakrefrigerantwhilepipingworkforaninstallationorre-installation,andwhilerepairingrefrigerationparts.Handleliquidrefrigerantcarefullyasitmaycausefrostbite.

When Servicing

•TurnthepowerOFFatthemainpowerbox(mains)beforeopeningtheunittocheckorrepairelectricalpartsandwiring.

•Keepyourfingersandclothingawayfromanymovingparts.

•Cleanupthesiteafteryoufinish,rememberingtocheckthatnometalscrapsorbitsofwiringhavebeenleftinsidetheunitbeingserviced.

WARNINGWARNING•Thisproductmustnotbe

modifiedordisassembledunderanycircumstances.Modifiedordisassembledunitmaycausefire,electricshockorinjury.

•Donotcleaninsidetheindoorandoutdoorunitsbyusers.Engageauthorizeddealerorspecialistforcleaning.

•Incaseofmalfunctionofthisappliance,donotrepairbyyourself.Contactthesalesdealerorservicedealerforrepair.

WARNINGCAUTION•Donottouchtheair

inletorthesharpaluminumfinsoftheoutdoorunit.Youmaygetinjured.

•Ventilateanyenclosedareaswheninstallingortestingtherefrigerationsystem.Escapedrefrigerantgas,oncontactwithfireorheat,canproducedangerouslytoxicgas.

•Confirmafterinstallationthatnorefrigerantgasisleaking.Ifthegascomesincontactwithaburningstove,gaswaterheater,electricroomheaterorotherheatsource,itcancausethegenerationofpoisonousgas.

Others

WARNINGCAUTION •Donotsitorstepontheunit,youmayfalldownaccidentally.

•Donottouchtheairinletorthesharpaluminumfinsoftheoutdoorunit.Youmaygetinjured.

•DonotstickanyobjectintotheFANCASE.Youmaybeinjuredandtheunitmaybedamaged.

NOTICE

TheEnglishtextistheoriginalinstructions.Otherlanguagesaretranslationsoftheoriginalinstructions.

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IMPORTANT! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

PleaseReadBeforeStarting

1. GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1-1. ToolsRequiredforInstallation(notsupplied)

1-2. AccessoriesSuppliedwithUnit

1-3. TypeofCopperTubeandInsulationMaterial

1-4. AdditionalMaterialsRequiredforInstallation

2. SELECTING THE INSTALLATION SITE . . . . . . . . . . . . . . 6

2-1. IndoorUnit

3. HOW TO INSTALL THE INDOOR UNIT . . . . . . . . . . . . . . . 7

■ CeilingType(T2Type). . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

3-1. RequiredMinimumSpaceforInstallationandService

3-2. PreparationBeforeInstallation

3-3. SuspendingtheIndoorUnit

3-4. DuctforFreshAir

3-5. ShapingtheTubing

3-6. InstallingtheDrainPipe

4. ELECTRICAL WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

4-1. GeneralPrecautionsonWiring

4-2. RecommendedWireLengthandWireDiameterforPowerSupplySystem

4-3. WiringSystemDiagrams

5. HOW TO PROCESS TUBING . . . . . . . . . . . . . . . . . . . . . 15

5-1. ConnectingtheRefrigerantTubing

5-2. ConnectingTubingBetweenIndoorandOutdoorUnits

5-3. InsulatingtheRefrigerantTubing

5-4. TapingtheTubes

5-5. FinishingtheInstallation

6. FINAL PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

7. HOW TO INSTALL TIMER REMOTE CONTROLLER OR HIGH-SPEC WIRED REMOTE CONTROLLER (OPTIONAL PART) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

NOTE

RefertotheOperatingInstructionsattachedtotheoptionalTimerRemoteControlleroroptionalHigh-specWiredRemoteController.

8. HOW TO INSTALL WIRELESS REMOTE CONTROLLER RECEIVER . . . . . . . . . . . . . . . . . . . . . . . 17

NOTE

RefertotheOperatingInstructionsattachedtotheoptionalWirelessRemoteControllerReceiver.

9. APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

■ CareandCleaning

■ Troubleshooting

■ TipsforEnergySaving

IMPORTANT INFORMATION REGARDING THE REFRIGERANT USED . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Page Page

CONTENTS

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1. GENERALThisbookletbrieflyoutlineswhereandhowtoinstalltheairconditioningsystem.Pleasereadovertheentiresetofinstructionsfortheindoorandoutdoorunitsandmakesureallaccessorypartslistedarewiththesystembeforebeginning.

1-1. Tools Required for Installation (not supplied)1. Flatheadscrewdriver

2. Phillipsheadscrewdriver

3. Knifeorwirestripper

4. Tapemeasure

5. Carpenter’slevel

6. Sabresaworkeyholesaw

7. Hacksaw

8. Corebits

9. Hammer

10. Drill

11. Tubecutter

12. Tubeflaringtool

13. Torquewrench

14. Adjustablewrench

15. Reamer(fordeburring)

1-2. Accessories Supplied with UnitTheaccessorypartsaresuppliedinsidetheindoorunit.

Opentheair-intakegrilleoftheindoorunitandtakeoutapackageofaccessories.

Seethesection“3-2.PreparationBeforeInstallation”.

Table 1-1 (Ceiling)

Part Name Figure Q’ty Remarks

Specialwasher 4

Fortemporarilysuspendingindoorunitfromceiling

Draininsulator 2 Fordrainhosejoint

Flareinsulator

1 Forgastubejoint

1 Forliquidtubejoints

Clamper 6 Forflareinsulatorandwiring

Full-scaleinstallationdiagram

1 Forpositioninginstallation

Drainhose 1 Formainunit+PVCpipejoints

Hoseband 1 Fordrainhoseconnection

Sidecover(R) 1(Packedincartonbox)Forrightside

Sidecover(L) 1(Packedincartonbox)Forleftside

Screw 2 Forsidecover(L/R)

OperatingInstructions 1

InstallationInstructions 1

1-3. Type of Copper Tube and Insulation MaterialIfyouwishtopurchasethesematerialsseparatelyfromalocalsource,youwillneed:

1. Deoxidizedannealedcoppertubeforrefrigeranttubing.

2. Foamedpolyethyleneinsulationforcoppertubesasrequiredtopreciselengthoftubing.Wallthicknessoftheinsulationshouldbenotlessthan8mm.

3. Useinsulatedcopperwireforfieldwiring.Wiresizevarieswiththetotallengthofwiring.Referto4.ELECTRICALWIRINGfordetails.

CAUTION

Check local electrical codes and regulations before obtaining wire. Also, check any specified instructions or limitations.

1-4. Additional Materials Required for Installation1. Refrigeration(armored)tape

2. Insulatedstaplesorclampsforconnectingwire(Seeyourlocalcodes.)

3. Putty

4. Refrigerationtubinglubricant

5. Clampsorsaddlestosecurerefrigeranttubing

6. Scaleforweighing

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2. SELECTING THE INSTALLATION SITE

2-1. Indoor Unit

AVOID:

● areaswhereleakageofflammablegasmaybeexpected.

● placeswherelargeamountsofoilmistexist.

● directsunlight.

● locationsnearheatsourceswhichmayaffecttheperformanceoftheunit.

● locationswhereexternalairmayentertheroomdirectly.Thismaycause“condensation”ontheairdischargeports,causingthemtosprayordripwater.

● locationswheretheremotecontrollerwillbesplashedwithwateroraffectedbydampnessorhumidity.

● installingtheremotecontrollerbehindcurtainsorfurniture.

● locationswherehigh-frequencyemissionsaregenerated.

DO:

● selectanappropriatepositionfromwhicheverycorneroftheroomcanbeuniformlycooled.

● selectalocationwheretheceilingisstrongenoughtosupporttheweightoftheunit.

● selectalocationwheretubinganddrainpipehavetheshortestruntotheoutdoorunit.

● allowroomforoperationandmaintenanceaswellasunrestrictedairflowaroundtheunit.

● installtheunitwithinthemaximumelevationdifferenceaboveorbelowtheoutdoorunitandwithinatotaltubinglength(L)fromtheoutdoorunitasdetailedintheInstallationInstructionspackedwiththeoutdoorunit.

● allowroomformountingtheremotecontrollerabout1moffthefloor,inanareathatisnotindirectsunlightorintheflowofcoolairfromtheindoorunit.

Ceiling

Ceiling

Wall

Front viewmin.25cm min.25cm

NOTE

Therearoftheindoorunitcanbeinstalledflushagainstthewall.

Airintake

Airdischarge

min.50cm

Side view Max.25cmObstacle

Fig. 2-1

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(2) Refrigerant tubing • drain hose position

3939 90 90

86

187267

267

196

196 131

70216

Fig. 3-2

Rear(Figureshowsviewfromfront)Leftside

Leftdrainposition

Closedwithrubberstopperattimeofshipment.

Leftdrainposition Rightdrainposition

(Liquidtubing•Gastubing)

Rightside

Gastubing

Liquidtubing

Rightdrainposition

(3) Unit opening position (Refrigerant tubing • drain hose • power inlet port • remote control wiring inlet port)

74

R50

*1*1

*1

*2 88

104

*1

90

61120

123123

114

104

185 131

196 105

Left-sidedrainhoseoutletport

TopoutletportRight-sidedrainhoseoutletport

Sidecover

Outsideairintakeductconnectionport(ø100,cutout)

Rearoutletport(Figureshowsviewfromfront)

Remotecontrolwiringandinter-unitwiringinletport

Left-rearsidedrainhoseoutletport(cutout)

Coveroftubinghole

Powerinletport

*1 Useacompasssaw,jigsaworsimilartoolandcutalongtheindentedportionofthesidecoverandmakeaholeinsidethecover.

*2 Whenremovingtherefrigeranttubingfromtheupperside,cutalongtheindentedportionandpassthetubingthroughthehole.

NOTE Be sure to use sealing putty to seal off the opening to

prevent dust.

Fig. 3-3

3. HOW TO INSTALL THE INDOOR UNIT

■ Ceiling Type (T2 Type)

3-1. Required Minimum Space for Installation and Service

(1) Dimensions of suspension bolt pitch and unit

LengthType A B C

36, 45, 56 911 960 235

73 1226 1275 235

106, 140 1541 1590 235

Unit:mm

Fig. 3-1

A

265

190

24.5 24.5

B

690

C

Airintake

Airdischarge(Suspensionboltpitch)

(Sus

pens

ion

bolt

pitc

h)

Unit:mm

Unit:mm

Unit:mm

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3-2. Preparation Before Installation(1) Removethebracket(forsuspendingtheindoorunit).

LoosetheM8suspensionbolts.Thenremovethebracket.(Fig.3-4)

NOTELoosentheM8suspensionboltsandexposetheaxisofboltslessthan8mm.

M4screwforpreventingbracketfromtakingoff

M8suspensionboltsforsuspendingtheindoorunit

Bracket

Lessthan8mm

Fig. 3-4

(2) Removetheair-intakegrillebeforesuspendingtheindoorunit.First,remove2attachmentscrewsfixedwiththelatches.Opentheair-intakegrilleandholdtheclawsofthehingesonbothsides.Thenremovetheair-intakegrilleandsuspensionluglocatedontheleftandrightsideoftheindoorunit.

11

2

Slide

Latch

claws

ScrewAir-intakegrille

Fig. 3-5

Air-intakegrille

Remove

Remove

Fig. 3-6

(3) Removethesideplatetothetubingside.

Rear&uppersidetubingconnection

Remove2screws.Slidethesideplateinthedirectionofthearrowandremoveit.

Rightsidetubingconnection

Donotremovethesideplate.

Remove

Screw

SideplateFig. 3-7

(4) Removethecenterbracket.

Whenwiring,removethecenterbracketifnecessary.Whenwiringiscompleted,reinstallthecenterbracketinitsoriginalposition.

Centerbracket

Fig. 3-8

3-3. Suspending the Indoor Unit

NOTESincethediagramismadeofpaper,itmayshrinkorstretchslightlybecauseofhightemperatureorhumidity.Forthisreason,beforedrillingtheholesmaintainthecorrectdimensionsbetweenthemarkings.

(1) Ifthefull-scaleinstallationdiagramisplacedontheceiling,thelocationsofeachsuspensionboltcanbechosen.Takeapencilandmarkthedrillholes(Fig.3-9).

Full-scaleinstallationdiagramCeiling

WallFull-scaleinstallationdiagram

Fig. 3-9

(2) Ifthefull-scaleinstallationdiagramisbentatrightangletotheceilingandwall,thelocationsoftheinletforindoortubingandwiringarechosenandthelocationsofeachsuspensionboltcanalsobechosen.Takeapencilandmarkthedrillholes(Fig.3-10).

Full-scaleinstallationdiagramCeiling

Wall

Full-scaleinstallationdiagram

Fig. 3-10

NOTE

Thedimensionwhentheindoorunitisplacedtightlyagainstthewall.Wheninstallingawayfromthewall,drainagegradientshouldbetakenintoconsideration.

(3) Drillholesatthe4pointsindicatedonthefull-scalediagram.

(4) Dependingontheceilingtype:

a) Insertsuspensionbolts(Fig.3-11).or

b) Useexistingceilingsupportsorconstructasuitablesupport(Fig.3-12).

Hole-in-anchorHole-in-plug

Suspensionbolt(M10or3/8”)(notsupplied)

Insert

CeilingtilesCeilingsupport

Concrete

Fig. 3-11 Fig. 3-12

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It is important that you use extreme care in supporting the indoor unit from the ceiling. Ensure that the ceiling is strong enough to support the weight of the unit. Before hanging the ceiling unit, test the strength of each attached suspension bolt.

(5) Screwinthesuspensionbolts,allowingthemtoprotrudefromtheceiling(Figs.3-11and3-12).Thedistanceofeachexposedboltmustbeofequallengthwithin50mm.(Fig.3-13)

CeilingsurfaceW

ithin

50

mmUnit

Bracket

Fig. 3-13

(6) Carryoutthepreparationforsuspendingtheindoorunit.Thesuspensionmethodvariesdependingonwhetherthereisasuspendedceilingornot.(Figs.3-14and3-15)

(7) Suspendtheindoorunitasfollows:

a)Installthebrackettothesuspensionbolt.Stickitontotheceilingsurface.(Fig.3-14~3-16)

Bracket

Suspensionbolt(notsupplied)

CeilingsurfaceUnit

Washer(supplied)

Doublenut(notsupplied)

Fig. 3-14

Suspensionbolt(notsupplied)

Washer(notsupplied)

Unit

Washer(supplied)


Fig. 3-15

Suspensionbolt


Washer(supplied)

Ceilingsurface

App

rox.

25

mm

Fig. 3-16

b)Suspendtheindoorunittothebracket.TightentheM8suspensionboltsandfixtheindoorunitinplace.(Fig.3-17)

M4screwforpreventingbracketfromtakingoff

M8suspensionbolts

M8suspensionbolt

Fig. 3-17

NOTE

Theceilingsurfaceisnotalwayslevel.Confirmthattheindoorunitisevenlysuspended.Fortheinstallationtobecorrect,leaveaclearanceofabout10mmbetweentheceilingpanelandtheceilingsurfaceandfillthegapwithanappropriateinsulationorfillermaterial.

3-4. Duct for Fresh Air (Field supply)Thereisaoutsideairintakeductconnectionport(cutouthole)attheleft-rearoftheindoorunitfordrawinginfreshair.Ifitisnecessarytodrawinfreshair,removethecoverbyopeningtheholeandconnectingtheducttotheindoorunitthroughtheconnectionport.(RefertoFig.3-3)

3-5. Shaping the Tubing

● Thepositionsoftherefrigeranttubingconnectionsareshowninthefigurebelow.(Thetubingcanberoutedin3directions.)(Fig.3-18)

* Whenroutingthetubingoutthroughthetoporrightsides,cutoutthecoverofthetoppanelandcutnotchesinthesidepanel(Refertofig.3-3).

Fig. 3-18

Ifthetubingistoberoutedout

together,useaboxcutteror

similartooltocutoutthepart

ofthecoverindicatedby

themarkedarea(Fig.3-19),

tomatchthepositionsofthetubes.

Thendrawoutthetubing.Fig. 3-19

3-6. Installing the Drain Pipe● PreparehardPVCpipeforthedrainandconnectittothe

indoorunitdrainpipewiththesuppliedhosebandtopreventwaterleaks.

● MeasurethethicknessofthewallfromtheinsidetotheoutsideandcutPVCpipeataslightangletofit.InsertthePVCpipeinthewall.(Fig.3-21)

Cover

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NOTE

Theholeshouldbemadeataslightdownwardslanttotheoutside.

Indoorside

Outdoorside

Fig. 3-20

INSIDE

hardPVCpipe(notsupplied)

Cutatslightangle

PVCpipe

Slightangle

Wall OUTSIDE

Fig. 3-21

(1) Drainhoseconnection

● Thedrainhoseisconnectedbelowtherefrigeranttubing.

(2) Installingthedrainhose

● Firstinsertthedrainhose(supplied)tothehoseband(supplied)andtheninstallthedrainhosetotheunitdrainport.

● Insertuntilthedrainhosebumpstotheend.

● Attachthehosebandtomakethefixedportion45°uppergradientaccordingtoavinyltape(notsupplied)ofthedrainhose(supplied).(Fig.3-23)

● Hosebandscrewtorqueis30-35N·cm.

● Windthevinyltapenottoblowupthehoseband.

● ConnectboththedrainhoseandPVCpipe(VP20orsimilarmaterial,notsupplied).InsertuntilthePVCpipebumpstotheendandadherewithPVCadhesive.

CAUTION

● Wrap the drain insulator (supplied) between the connection of the drain hose and tubing not to expose the copper tubing. Also, wrap the hose band together. Wrap the hose band with the drain insulator, where the screw is located facing upward (Fig. 3-23). Then, tighten the insulator with a vinyl tape not to cause the detachment. If the tubing parts remain exposed, condensation may occur.

● Be sure to use the supplied drain hose.

● Ifothercommerciallyavailablehosebandsareused,thedrainhosemaybecomepinchedorwrinkledandthereisdangerofwaterleakage.Thereforebesuretousethesuppliedhosebands.

● Connectthedrainpipesothatitslopesdownwardfromtheunittotheoutside.(Fig.3-22)

Correct Incorrect

Downwardslant:min.1/100

Upwardslant:

Fig. 3-22

● Neverallowwatertrapstooccurinthecourseofthepiping.

● Insulateanypipinginsidetheroomtopreventdripping.

● Afterthedrainpiping,pouranappropriateamountofwaterintothedrainpanthroughtheopeningonthesideoftheairdischargeport.Checkthewaterdrainingsmoothly.

* Ifthedrainhoseisroutedthroughtheleftside,refertoFig.3-18,andfollowtheprocedureabovetoinstallthehose.Reattachtherubberstopperremovedearlierontotherightside.

Therubberstoppercanbeinsertedeasilybyusingascrewdriverorsimilartooltopressthestopperintothedrainportonthemainunit.Pressthestopperintothemainunitdrainportasfarasitwillgo.

13026 26

Hoseband(supplied)

Donotuseadhesive.AdherewithPVCadhesive.

HardPVCpipe(VP20notsupplied)

Drainhose(supplied)

Unitdrainport

Unit:mmDraininsulator(supplied)

(45°)

Hoseband

VinyltapeDraininsulator

Vinyltape Draininsulator Hoseband

Fig. 3-23

CAUTION

The indoor unit should be slightly tilted downward toward the drain pipe connection side as shown in figure below so that the wastewater can flow smoothly without being trapped in the middle. (Fig. 3-24)

CeilingApprox.1°

Approx.2°Ceiling

Diagonallyrightdown(frontview)(Ex.:Diagonal-right-backwards)

Diagonallybackward(sideview)Fig. 3-24

Rubberstopper

Screwdriver

Drainport

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ISH4. ELECTRICAL WIRING

4-1. General Precautions on Wiring (1) Beforewiring,confirmtheratedvoltageoftheunitas

shownonitsnameplate,thencarryoutthewiringcloselyfollowingthewiringdiagram.

(2) Circuitbreakermustbeincorporatedinthefixedwiringinaccordancewiththewiringregulations.Thecircuitbreakermustbeanapproved10-16A,havingacontactseparationinallpoles.

(3) Topreventpossiblehazardsfrominsulationfailure,theunitmustbegrounded.

(4) Eachwiringconnectionmustbedoneinaccordancewiththewiringsystemdiagram.Wrongwiringmaycausetheunittomisoperateorbecomedamaged.

(5) Donotallowwiringtotouchtherefrigeranttubing,compressor,oranymovingpartsofthefan.

(6) Unauthorizedchangesintheinternalwiringcanbeverydangerous.Themanufacturerwillacceptnoresponsibilityforanydamageormisoperationthatoccursasaresultofsuchunauthorizedchanges.

(7) Regulationsonwirediametersdifferfromlocalitytolocality.Forfieldwiringrules,pleaserefertoyourLOCALELECTRICALCODESbeforebeginning.

Youmustensurethatinstallationcomplieswithallrelevantrulesandregulations.

(8) Topreventmalfunctionoftheairconditionercausedbyelectricalnoise,caremustbetakenwhenwiringasfollows:

● Theremotecontrolwiringandtheinter-unitcontrolwiringshouldbewiredapartfromtheinter-unitpowerwiring.

● Useshieldedwiresforinter-unitcontrolwiringbetweenunitsandgroundtheshieldonbothsides.

(9) Ifthepowersupplycordofthisapplianceisdamaged,itmustbereplacedbyarepairshopdesignatedbythemanufacturer,becausespecial-purposetoolsarerequired.

CAUTION

Check local electrical codes and regulations before wiring. Also, check any specified instruction or limitations.

4-2. Recommended Wire Length and Wire Diameter for Power Supply System

Indoor unit

Type(B) Power supply Time delay fuse or

circuit capacity2.5 mm2

T2 Max.130m 10-16A

Control wiring(C) Inter-unit

(between outdoor and indoor units)

control wiring

(D) Remote control wiring

(E) Control wiring for group control

0.75mm2

(AWG#18)Use shielded wiring*

0.75mm2

(AWG#18)0.75mm2

(AWG#18)

Max.1,000m Max.500m Max.200m(Total)

NOTE*Withring-typewireterminal.

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4-3. Wiring System Diagrams

U2

U1

R2

R1

L

N

R2

R1

R2

R1

R2

R1

2

1

2

1

U2

U1

L

N

U2

U1

L

N

U2

U1

L

N

2

1

2

1

2

1

D

E

C

B

LN

LN

LN

LN

2

1

B

B

B

C

D

D

C

2

1

L1L2L3N

2

1

L1L2L3N

CL1

L2

L3

N

L1

L2

L3

N

U2

U1

Powersupply220/230/240V~50/60Hz

Remotecontroller

Remotecontroller

Remotecontroller

WHTBLK

WHTBLK

WHTBLK




Ground

Ground

Ground

Ground

Ground

GroundInter-outdoor-unitcontrolwiring

Ground

Ground Ground

OutdoorunitINVunit

Powersupply380/400/415V,3N~,50Hz

Powersupply380/400/415V,3N~,50Hz

OutdoorunitINVunit

Ground

Ground

Ground

Ground

Ground

Ground

Indoorunit(No.1)

Indoorunit(No.2)

Indoorunit(No.n)

Indoorunit(No.3)

Groupcontrol:

ex.) MF2 Type

Fig. 4-1

NOTE

(1) RefertoSection4-2.“RecommendedWireLengthandWireDiameterforPowerSupplySystem”fortheexplanationof“B”,“C”,“D”and“E”intheabovediagram.

(2) Thebasicconnectiondiagramoftheindoorunitshowstheterminalboards,sotheterminalboardsinyourequipmentmaydifferfromthediagram.(Fig.4-2)

(3) RefrigerantCircuit(R.C.)addressshouldbesetbeforeturningthepoweron.

(4) Autoaddresssettingcanbeexecutedbyremotecontrollerautomatically.RefertotheInstallationInstructionssuppliedwiththeremotecontroller(optional).

WARNING

Thisequipmentmustbeproperlyearthed.

L N U1 U2 R1 R2

6Pterminalboard

T2 Type

Powersupply

Remotecontrol

line

Unitcontrol

line

Fig. 4-2

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ISHCAUTION

(1) When linking the outdoor units in a network, disconnect the terminal extended from the short plug from all outdoor units except any one of the outdoor units. (When shipping: In shorted condition.) For a system without link (no wiring connection between outdoor units), do not remove the short plug.

(2) Do not install the inter-unit control wiring in a way that forms a loop. (Fig. 4-3)

Outdoorunit Outdoorunit Outdoorunit

Indoorunit Indoorunit Indoorunit Indoorunit

Prohibited

Prohibited

Indoorunit

Fig. 4-3

(3) Do not install inter-unit control wiring such as star branch wiring. Star branch wiring causes mis-address setting. (Fig. 4-4)

Outdoorunit IndoorunitIndoorunit

IndoorunitIndoorunitNOBranchpoint

Fig. 4-4

(4) If branching the inter-unit control wiring, the number of branch points should be 16 or fewer.

CentralController

Outdoorunit

Outdoorunit

Indoorunit

Indoorunit

Indoorunit Indoorunit Indoorunit

Indoorunit Indoorunit

Indoorunit Indoorunit

Outdoorunit

:Branchpoint

Mor

eth

an2

mr

equi

red

Fig. 4-5

(5) Use shielded wires for inter-unit control wiring (c) and ground the shield on both sides, otherwise misoperation from noise may occur. (Fig. 4-6) Connect wiring as shown in Section “4-3. Wiring System Diagrams”.

Fig. 4-6

(6) • Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 5 or 3 *1.5 mm2 flexible cord. Type designation 60245 IEC 57 (H05RN-F, GP85PCP etc.) or heavier cord.

• Use the standard power supply cables for Europe (such as H05RN-F or H07RN-F which conform to CENELEC (HAR) rating specifications) or use the cables based on IEC standard. (60245 IEC57, 60245 IEC66)

Shieldedwire

Ground Ground

WARNING

Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazard may also occur. Therefore, ensure that all wiring is tightly connected.

Whenconnectingeachpowerwiretotheterminal,followtheinstructionson“Howtoconnectwiringtotheterminal”andfastenthewiresecurelywiththeterminalscrew.

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Strandedwire

Ringpressureterminal Screwand

Specialwasher

Ringpressureterminal

Terminalboard

Ringpressureterminal

ScrewSpecialwasher

Wire

Wire

Str

ip1

0m

m

Fig. 4-7 Fig. 4-8

How to connect wiring to the terminal

■ For stranded wiring

(1) Cutthewireendwithcuttingpliers,thenstriptheinsulationtoexposethestrandedwiringabout10mmandtightlytwistthewireends.(Fig.4-7)

(2) UsingaPhillipsheadscrewdriver,removetheterminalscrew(s)ontheterminalboard.

(3) Usingaringconnectorfastenerorpliers,securelyclampeachstrippedwireendwitharingpressureterminal.

(4) Placetheringpressureterminal,andreplaceandtightentheremovedterminalscrewusingascrewdriver.(Fig.4-8)

■ Examples of shield wires

(1) Removecablecoatnottoscratchbraidedshield.(Fig.4-9)

(2) Unbraidthebraidedshieldcarefullyandtwisttheunbraidedshieldwirestightlytogether.Insulatetheshieldwiresbycoveringthemwithaninsulationtubeorwrappinginsulationtapearoundthem.(Fig.4-10)

(3) Removecoatofsignalwire.(Fig.4-11)

(4) AttachringpressureterminalstothesignalwiresandtheshieldwiresinsulatedinStep(2).(Fig.4-12)

Insulationtape

8mm

Insulationtape

Shieldmesh

Shieldmesh

Fig. 4-9

Fig. 4-10

Fig. 4-11

Fig. 4-12

How to carry out power supply wiring

(1) Wiringconnectionports

Thepowerinletportislocatedattherear.

Theremotecontrolwiringinletportislocatedattherear(forusewiththewiredremotecontroller).Fordetails,refertoFig.3-3.

(2) Howtocarryoutwiring

● Insertthepowerwiringintotheindoorunitthroughtherubberatthesideoftheelectricalcomponentbox.

● Forwiringconnectiontotheoutdoorunitandremotecontrolwiring,opentheelongatedholeofthepipingcoverandpassthewiresthroughthehole.

NOTE

Besuretousesealingputtytosealofftheopeningtopreventdust.

■ Wiring

T2 type

Protectivegroundscrew

UsethisscrewwhenconnectingtheshieldfortheInter-unitcontrolwiringtoground.

Functionalgroundscrew(ScheduleTimer)

Inter-unitControlWiring

RemoteControlWiring

Remotecontrolwiringandinter-unitcontrolwiringinletport

*Inserttheremotecontrolwiringandinter-unitcontrolwiringintotheelectricalcomponentboxfromtheinletportasshowninthefigure.Thisisdoneregardlessofwhetherthewiringwasinsertedfromthetop,rear,orleftsideofthemainunit.

PowerwiringClampClamp

Powerinletport

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ISH5. HOW TO PROCESS TUBING

Theliquidtubingsideisconnectedbyaflarenut,andthegastubingsideisconnectedbybrazing.

5-1. Connecting the Refrigerant Tubing

Use of the Flaring Method

Manyofconventionalsplitsystemairconditionersemploytheflaringmethodtoconnectrefrigeranttubesthatrunbetweenindoorandoutdoorunits.Inthismethod,thecoppertubesareflaredateachendandconnectedwithflarenuts.

Flaring Procedure with a Flare Tool

(1) Cutthecoppertubetotherequiredlengthwithatubecutter.Itisrecommendedtocutapprox.30–50cmlongerthanthetubinglengthyouestimate.

(2) Removeburrsateachendofthecoppertubingwithatubereamerorfile.Thisprocessisimportantandshouldbedonecarefullytomakeagoodflare.Besuretokeepanycontaminants(moisture,dirt,metalfilings,etc.)fromenteringthetubing.(Figs.5-1and5-2)

AfterBefore

Deburring

Coppertubing

Reamer

Fig. 5-1 Fig. 5-2

NOTE

Whenreaming,holdthetubeenddownwardandbesurethatnocopperscrapsfallintothetube.(Fig.5-2)

(3) Removetheflarenutfromtheunitandbesuretomountitonthecoppertube.

(4) Makeaflareattheendofthecoppertubewithaflaretool.(Fig.5-3)

Flarenut

Coppertubing

FlaretoolFig. 5-3

NOTE

Agoodflareshouldhavethefollowingcharacteristics:

● insidesurfaceisglossyandsmooth● edgeissmooth● taperedsidesareofuniformlength

Caution Before Connecting Tubes Tightly

(1) Applyasealingcaporwater-prooftapetopreventdustorwaterfromenteringthetubesbeforetheyareused.

(2) Besuretoapplyrefrigerantlubricant(etheroil)totheinsideoftheflarenutbeforemakingpipingconnections.Thisiseffectiveforreducinggasleaks.(Fig.5-4)

Applyrefrigerantlubricant.

Fig. 5-4

(3) Forproperconnection,aligntheuniontubeandflaretubestraightwitheachother,thenscrewontheflarenutlightlyatfirsttoobtainasmoothmatch.(Fig.5-5)

FlarenutUnion

Fig. 5-5

● Adjusttheshapeoftheliquidtubeusingatubebenderattheinstallationsiteandconnectittotheliquidtubingsidevalveusingaflare.

Cautions During Brazing

● Replace air inside the tube with nitrogen gas to prevent copper oxide film from forming during the brazing process. (Oxygen, carbon dioxide and Freon are not acceptable.)

● Do not allow the tubing to get too hot during brazing. The nitrogen gas inside the tubing may overheat, causing refrigerant system valves to become damaged. Therefore allow the tubing to cool when brazing.

● Use a reducing valve for the nitrogen cylinder.

● Do not use agents intended to prevent the formation of oxide film. These agents adversely affect the refrigerant and refrigerant oil, and may cause damage or malfunctions.

5-2. Connecting Tubing Between Indoor and Outdoor Units

(1) Tightlyconnecttheindoor-siderefrigeranttubingextendedfromthewallwiththeoutdoor-sidetubing.

Indoor Unit Tubing Connection

Indoor unit type 36 45 56 73 106 140Gastubing(mm) ø12.7 ø15.88

Liquidtubing(mm) ø6.35 ø9.52

(2) Tofastentheflarenuts,applyspecifiedtorque.

● Whenremovingtheflarenutsfromthetubingconnections,orwhentighteningthemafterconnectingthetubing,besuretouse2adjustablewrenchesorspanners.(Fig.5-6)Iftheflarenutsareover-tightened,theflaremaybedamaged,whichcouldresultinrefrigerantleakageandcauseinjuryorasphyxiationtoroomoccupants.

Outdoorunit

Torquewrench

SpannerIndoorunit

Fig. 5-6

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● Fortheflarenutsattubingconnections,besuretousetheflarenutsthatweresuppliedwiththeunit,orelseflarenutsforR410A(type2).Therefrigeranttubingthatisusedmustbeofthecorrectwallthicknessasshowninthetablebelow.

Tube diameter Tightening torque(approximate) Tube thickness

ø6.35(1/4") 14–18N·m{140–180kgf·cm} 0.8mm

ø9.52(3/8") 34–42N·m{340–420kgf·cm} 0.8mm

ø12.7(1/2") 49–61N·m{490–610kgf·cm} 0.8mm

ø15.88(5/8") 68–82N·m{680–820kgf·cm} 1.0mm

Becausethepressureisapproximately1.6timeshigherthanconventionalrefrigerantpressure,theuseofordinaryflarenuts(type1)orthin-walledtubesmayresultintuberupture,injury,orasphyxiationcausedbyrefrigerantleakage.

● Inordertopreventdamagetotheflarecausedbyover-tighteningoftheflarenuts,usethetableaboveasaguidewhentightening.

● Whentighteningtheflarenutontheliquidtube,useanadjustablewrenchwithanominalhandlelengthof200mm.

5-3. Insulating the Refrigerant Tubing

Tubing Insulation

● Thermalinsulationmustbeappliedtoallunitstubing,includingdistributionjoint(fieldsupply).

*Forgastubing,theinsulationmaterialmustbeheatresistantto120°Corabove.Forothertubing,itmustbeheatresistantto80°Corabove.

Insulationmaterialthicknessmustbe10mmorgreater.

IftheconditionsinsidetheceilingexceedDB30°CandRH70%,increasethethicknessofthegastubinginsulationmaterialby1step.

Insulation of the flare nuts

Attachtheflareinsulator(supplied)justlikewrappingaroundtheflarenut(supplied).Matchthebothslitsofflareinsulatorsforgasandliquidtubesfacingupward.Tightlyattachtheendoftheflareinsulatorstothetubecradlewithoutanyspace.Thenclamptheflareinsulatorwiththeclampersabout20mmawayfrombothends.

Flareinsulator(forgastube)

Flareinsulator(forliquidtube)

Facingupward

GastubingLiquidtubing

Tubecradle

ClamperFlarenut(supplied)

Clamper

Insulator(notsupplied)

Indoorunitside

Outdoorunitside

Tubecradle

Withoutanyspace

About20mm About20mm

Fig. 5-7

NOTE

Tightentheclamperstopreventanycondensationthatmayoccurasthecoppertubingisexposed.

Insulation material

Thematerialusedforinsulationmusthavegoodinsulationcharacteristics,beeasytouse,beageresistant,andmustnoteasilyabsorbmoisture.

CAUTION

After a tube has been insulated, never try to bend it into a narrow curve because it can cause the tube to break or crack. Never grasp the drain or refrigerant connecting outlets when moving the unit.

5-4. Taping the Tubes(1) Atthistime,therefrigeranttubes(andelectricalwiring

iflocalcodespermit)shouldbetapedtogetherwitharmoringtapein1bundle.Topreventcondensationfromoverflowingthedrainpan,keepthedrainhoseseparatefromtherefrigeranttubing.

(2) Wrapthearmoringtapefromthebottomoftheoutdoorunittothetopofthetubingwhereitentersthewall.Asyouwrapthetubing,overlaphalfofeachprevioustapeturn.

(3) Clampthetubingbundletothewall,using1clampapprox.eachmeter.(Fig.5-9)

Two tubes arranged together

LiquidtubingGastubing

Insulation

Fig. 5-8

Insulatedtubes Drainhose

Clamp

Fig. 5-9

CAUTION

If the exterior of the outdoor unit valves has been finished with a square duct covering, make sure you allow sufficient space to access the valves and to allow the panels to be attached and removed.

NOTE

Donotwindthearmoringtapetootightlysincethiswilldecreasetheheatinsulationeffect.Alsoensurethatthecondensationdrainhosesplitsawayfromthebundleanddripsclearoftheunitandthetubing.

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5-5. Finishing the InstallationAfterfinishinginsulatingandtapingoverthetubing,usesealingputtytosealofftheholeinthewalltopreventrainanddraftfromentering.(Fig.5-10)

Applyputtyhere

Tubing

Fig. 5-10

6. FINAL PROCEDUREReinstalltheremovedparttobeplacedinitsoriginalposition.

(Seethesection“3-2.PreparationBeforeInstallation”.)

Theninstalltheaccessorysuppliedsidecovers(L/R)onbothsidesoftheindoorunit.

● Attachthesuppliedsideplates.

Insertthesideplatesinthedirectionofthearrowandfixthemwith2screwsonceyou’veremoved.

Sideplate

Screw

Attach

● Attachtheaccessorysuppliedsidecovers.

Slidethecoversfromthefrontsideandattachtotheclawsofthelatches.Tightenthescrews(accessorysupplied).

Screw(accessorysupplied)

Sidecover(accessorysupplied)

Fig. 6-1

● Attachtheair-intakegrille.Whenattachingtheair-intakegrille,performthereverseproceduretoremovingthegrille.Refertothesection“3-2.PreparationBeforeInstallation”.Besuretoattachthesafetystring.Closetheair-intakegrilleandfixtheclawsofthelatcheswiththescrews.

Safetystring

Fig. 6-2

7. HOW TO INSTALL TIMER REMOTE CONTROLLER OR HIGH-SPEC WIRED REMOTE CONTROLLER (OPTIONAL PART)

NOTE

RefertotheOperatingInstructionsattachedtotheoptional

TimerRemoteControlleroroptionalHigh-specWiredRemoteController.

8. HOW TO INSTALL WIRELESS REMOTE CONTROLLER RECEIVER

NOTE

RefertotheOperatingInstructionsattachedtotheoptionalWirelessRemoteControllerReceiver.

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9. APPENDIX

■ Care and Cleaning

WARNING

● For safety, be sure to turn the air conditioner off and also to disconnect the power before cleaning.

● Do not pour water on the indoor unit to clean it. This will damage the internal components and cause an electric shock hazard.

Air intake and outlet side (Indoor unit)

Cleantheairintakeandoutletsideoftheindoorunitwithavacuumcleanerbrush,orwipethemwithaclean,softcloth.

Ifthesepartsarestained,useacleanclothmoistenedwithwater.Whencleaningtheairoutletside,becarefulnottoforcethevanesoutofplace.

CAUTION

● Never use solvents or harsh chemicals when cleaning the indoor unit. Do not wipe plastic parts using very hot water.

● Some metal edges and the fins are sharp and may cause injury if handled improperly; be especially careful when you clean these parts.

● The internal coil and other components of outdoor unit must be cleaned regularly. Consult your dealer or service center.

Air filter

Itisrecommendedthattheairfilterbecleanedwhenthe (Filter)appearsonthedisplay.

● After Cleaning

1. Aftertheairfilteriscleaned,reinstallitinitsoriginalposition.Besuretoreinstallinreverseorder.

2. PresstheFilterresetbutton.The (Filter)indicatoronthedisplaygoesout.

Filterindicatorex)Timerremotecontroller

Filterresetbutton

NOTE

Cleanthefilterfrequentlyforbestperformanceintheareaofdustyoroilspotsregardlessoffilterstatus.

<How to clean the filter>1. Removetheairfilterfromtheairintakegrille.2. Useavacuumcleanertoremovelightdust.Ifthereissticky

dustonthefilter,washthefilterinlukewarm,soapywater,rinseitincleanwater,anddryit.

<How to remove the filter>

Ceiling Type (T2)

1. Remove2attachmentscrewsfixedwiththelatches.Takeholdofthefinger-holdontheairintakegrilleandpressittotherear,andthegrillewillopendownward.

2. Takeholdofthefinger-holdontheairfilter,pullittowardyou.

*Takeholdofthefinger-holdontheairfilter,pullittowardyou.

Airfilterfinger-hold

Airfilterfinger-hold

Airintakegrille

ScrewLatch

Slide

CAUTION

● Certain metal edges and the condenser fins are sharp and may cause injury if handled improperly; special care should be taken when you clean these parts.

● Periodically check the outdoor unit to see if the air outlet or air intake is clogged with dirt or soot.

● The internal coil and other components must also be cleaned periodically. Consult your dealer or service center.

Care: After a prolonged idle period

Checktheindoorandoutdoorunitairintakesandoutletsforblockage;ifthereisablockage,removeit.

Care: Before a prolonged idle period

● Operatethefanforhalfadaytodryouttheinside.

● Disconnectthepowersupplyandalsoturnoffthecircuitbreaker.

● Cleantheairfilterandreplaceitinitsoriginalposition.

● Outdoorunitinternalcomponentsmustbecheckedandcleanedperiodically.Contactyourlocaldealerforthisservice.

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■ Troubleshooting

Ifyourairconditionerdoesnotworkproperly,firstcheckthefollowingpointsbeforerequestingservice.Ifitstilldoesnotworkproperly,contactyourdealeroraservicecenter.

● Indoor unit

Symptom Cause

Noise

Soundlikestreamingwaterduringoperationorafteroperation

● Soundofrefrigerantliquidflowinginsideunit● Soundofdrainagewaterthroughdrainpipe

Crackingnoiseduringoperationorwhenoperationstops.

Crackingsoundduetotemperaturechangesofparts

OdorDischargedairissmelledduringoperation.

Indoorodorcomponents,cigaretteodorandcosmeticodoraccumulatedintheairconditioneranditsairisdischarged.Unitinsideisdusty.Consultyourdealer.

DewdropDewdropgetsaccumulatednearairdischargeduringoperation

Indoormoistureiscooledbycoolwindandaccumulatedbydewdrop.

Fog

Fogoccursduringoperationincoolingmode.(Placeswherelargeamountsofoilmistexistatrestaurants.)

● Cleaningisnecessarybecauseunitinside(heatexchanger)isdirty.Consultyourdealerastechnicalengineeringisrequired.

● Duringdefrostoperation

Fanisrotatingforawhileeventhoughoperationstops.

● Fanrotatingmakesoperationsmoothly.● Fanmaysometimesrotatebecauseofdryingheatexchangerdueto

settings.

Wind-directionchangeswhileoperating.Wind-directionsettingcannotbemade.Wind-directioncannotbechanged.

● Whenairdischargetemperatureisloworduringdefrostoperation,horizontalwindflowismadeautomatically.

● Flappositionisoccasionallysetupindividually.

Whenwind-directionischanged,flapoperatesseveraltimesandstopsatdesignatedposition.

Whenwind-directionischanged,flapoperatesaftersearchingforstandardposition.

Dust Dustaccumulationinsideindoorunitisdischarged.

Poorcoolingorheatingperformance

Theindoorunitisinitiallydesignedtocontroltheindoortemperaturedetectedbythebuilt-inroomsensorinsidetheindoorunit.Duetoindoorunitinstallationposition,however,thebuit-insensormayoccasionallysensetemperatureimproperly;forexample,temperaturedifferencebetweentheceilingandfloor,lightingapparatus,electricfan,windowsorwaist-highpartitionwalls,etc.Inthiscase,theunitdoesnotoperateproperlyatthedesiredtemperature.Youmaychangetheuseofthetemperaturesensorinsidetheindoorunittothatoftheremotecontroller.Thenthedesiredroomtemperaturecanbecontrolledproperly.Fordetails,consultyourdealer.

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● Check Before Requiring Services

Symptom Cause Remedy

Airconditionerdoesnotrunatallalthoughpoweristurnedon.

PowerfailureorafterpowerfailurePressON/OFFoperationbuttononremotecontrolleragain.

Operationbuttonisturnedoff.

● Switchonpowerifbreakeristurnedoff.● Ifbreakerhasbeentripped,consultyourdealer

withoutturningiton.

Fuseblowout. Ifblownout,consultyourdealer.

Poorcoolingorheatingperformance

Airintakeorairdischargeportofindoorandoutdoorunitsiscloggedwithdustorobstacles.

Removedustorobstruction.

Windspeedswitchissetto“Low”. Changeto“High”or“Strong”.

Impropertemperaturesettings

Referto“■TipsforEnergySaving”.Roomisexposedtodirectsunlightincoolingmode.

Doorsand/orwindowsareopen.

Airfilterisclogged. Referto“■CareandCleaning”.

Toomuchheatsourcesinroomincoolingmode.

Useminimumheatsourcesandinashorttime.

Toomanypeopleinroomincoolingmode.

Reducetemperaturesettingsorchangeto“High”or“Strong”.

Ifyourairconditionerstilldoesnotworkproperlyalthoughyoucheckedthepointsasdescribedabove,firststoptheoperationandturnoffthepowerswitch.Thencontactyourdealerandreporttheserialnumberandsymptom.Neverrepairyourairconditionerbyyourselfsinceitisverydangerousforyoutodoso.Youalsoreportiftheinspectionmark andthelettersE,F,H,L,PincombinationwiththenumbersappearontheLCDoftheremotecontroller.

■ Tips for Energy SavingAvoid

● Do not block the air intake and outlet of the unit. If either is obstructed, the unit will not work well, and may be damaged.

● Donotletdirectsunlightintotheroom.Usesunshades,blindsorcurtains.Ifthewallsandceilingoftheroomarewarmedbythesun,itwilltakelongertocooltheroom.

Do

● Alwaystrytokeeptheairfilterclean.(Referto“CareandCleaning”.)Acloggedfilterwillimpairtheperformanceoftheunit.

● Topreventconditionedairfromescaping,keepwindows,doorsandanyotheropeningsclosed.

NOTE

Should the power fail while the unit is running

Ifthepowersupplyforthisunitistemporarilycutoff,theunitwillautomaticallyresumeoperationoncepowerisrestoredusingthesamesettingsbeforethepowerwasinterrupted.

IMPORTANT INFORMATION REGARDING THE REFRIGERANT USEDThisproductcontainsfluorinatedgreenhousegasescoveredbytheKyotoProtocol.Donotventgasesintotheatmosphere.

Refrigeranttype:R410AGWP(1)value:1975(1)GWP=globalwarmingpotential

PeriodicalinspectionsforrefrigerantleaksmayberequireddependingonEuropeanorlocallegislation.Pleasecontactyourlocaldealerformoreinformation.

Regardingtheamountofrefrigerant,seetherefrigerantchargelabelattachedtotheoutdoorunit.

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