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INSTALLATION MANUALFor safe and correct use, read this manual and the indoor unit installation manual thoroughly before installing the air-conditioner unit.

INSTALLATIONSHANDBUCHAus Sicherheitsgründen und zur richtigen Verwendung vor der Installation die vorliegende Bedienungsanleitung und die Installationsanleitung der Innenanlage gründlich durchlesen die Klimaanlage.

MANUEL D’INSTALLATIONAvant d’installer le climatiseur, lire attentivement ce manuel, ainsi que le manuel d’installation de l’appareil inté-rieur pour une utilisation sûre et correcte.

INSTALLATIONSMANUALLäs bruksanvisningen och inomhusenhetens installationshandbok noga innan luftkonditioneringen installeras så att den används på ett säkert och korrekt sätt.

INSTALLATIEHANDLEIDINGLees deze handleiding en de installatiehandleiding van het binnenapparaat zorgvuldig door voordat u met het installeren van de airconditioner begint.

MANUALE DI INSTALLAZIONEPer un uso sicuro e corretto, leggere attentamente il presente manuale ed il manuale d’installazione dell’unità interna prima di installare il condizionatore d’aria.

MANUAL DE INSTALACIÓNPara un uso correcto y seguro, lea detalladamente este manual y el manual de instalación de la unidad interior antes de instalar la unidad de aire acondicionado.

EΓXEIPIΔIO OΔHΓIΩN EΓKATAΣTAΣHΣ Για σωστή και ασφαλή χρήση, διαβάστε προσεκτικά αυτό το εγχειρίδιο καθώς και το εγχειρίδιο εγκατάστασης της εσωτερικής μονάδας, προτού εγκαταστήσετε τη μονάδα του κλιματιστικού

MANUAL DE INSTALAÇÃOPara uma utilização segura e correcta, leia atentamente este manual e o manual de instalação da unidade inte-rior antes de instalar o aparelho de ar condicionado.

INSTALLATIONSMANUALLæs af sikkerhedshensyn denne manual samt manualen til installation af indendørsenheden grundigt, før du installerer klimaanlægget.

MONTAJ ELKİTABIEmniyetli ve doğru kullanım için, klima cihazını monte etmeden önce bu kılavuzu ve iç ünite montaj kılavuzunu tamamıyla okuyun.

РУКОВОДСТВО ПО УСТАНОВКЕДля обеспечения безопасной и надлежащей эксплуатации внимательно прочтите данное руко-водство и руководство по установке внутреннего прибора перед установкой кондиционера.

FOR INSTALLER

FÜR INSTALLATEURE

POUR L’INSTALLATEUR

VOOR DE INSTALLATEUR

PARA EL INSTALADOR

PER L’INSTALLATORE

ΓΙΑ ΑΥΤΟΝ ΠΟΥ ΚΑΝΕΙ ΤΗΝ ΕΓΚΑΤΑΣΤΑΣΗ

PARA O INSTALADOR

TIL INSTALLATØREN

FÖR INSTALLATÖREN

ДЛЯ УСТАНОВИТЕЛЯ

MONTÖR İÇİN

Air-ConditionersPUHZ-P200, 250YHA

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1. Safetyprecautions

Contents

1. Safetyprecautions............................................................................................. 22. Installationlocation............................................................................................ 33. Installingtheoutdoorunit.................................................................................. 44. Installingtherefrigerantpiping.......................................................................... 55. Drainagepipingwork......................................................................................... 7

6. Electricalwork................................................................................................... 77. Testrun.............................................................................................................. 98. SpecialFunctions............................................................................................ 109. Systemcontrol(Fig.9-1)................................................................................. 10

Before installing theunit,makesureyou readall the “Safetyprecautions”.

Pleasereporttoortakeconsentbythesupplyauthoritybeforeconnectiontothesystem.

“Thisequipment complieswith IEC61000-3-12provided thattheshort-circuitpowerSSC isgreater thanorequal toSSC (*1)attheinterfacepointbetweentheuser’ssupplyandthepublicsystem. It is the responsibilityof the installeroruserof theequipmenttoensure,byconsultationwiththedistributionnet-workoperator if necessary, that theequipment is connectedonlytoasupplywithashort-circuitpowerSSCgreaterthanorequaltoSSC(*1)”

SSC(*1)Model SSC(MVA)

PUHZ-P200YHA 1.35PUHZ-P250YHA 1.49

Warning:Describesprecautionsthatmustbeobservedtopreventdangerofinjuryordeathtotheuser.

Caution:Describesprecautionsthatmustbeobservedtopreventdamagetotheunit.Afterinstallationworkhasbeencompleted,explainthe“SafetyPrecautions,”use,andmaintenance of theunit to the customeraccording to the information in theOperationManualandperformthe test run toensurenormaloperation.Both theInstallationManualandOperationManualmustbegiventotheuserforkeeping.Thesemanualsmustbepassedontosubsequentusers.

:Indicatesapartwhichmustbegrounded.

Warning:Carefullyreadthelabelsaffixedtothemainunit.

Warning:•Theunitmustnotbe installedby theuser.Askadealeroranauthorizedtechniciantoinstalltheunit. Iftheunitisinstalledincorrectly,waterleak-age,electricshock,orfiremayresult.

•Forinstallationwork,followtheinstructionsintheInstallationManualanduse toolsandpipecomponentsspecificallymade forusewithR410A re-frigerant.TheR410ArefrigerantintheHFCsystemispressurized1.6timesthepressureofusual refrigerants. If pipecomponentsnotdesigned forR410Arefrigerantareusedandtheunitisnotinstalledcorrectly,thepipesmayburstandcausedamageorinjuries.Inaddition,waterleakage,electricshock,orfiremayresult.

•Theunitmustbe installedaccording to the instructions inorder tomini-mizetheriskofdamagefromearthquakes,typhoons,orstrongwinds.Anincorrectlyinstalledunitmayfalldownandcausedamageorinjuries.

•Theunitmustbesecurely installedonastructure that cansustain itsweight.Iftheunitismountedonanunstablestructure,itmayfalldownandcausedamageorinjuries.

• Iftheairconditionerisinstalledinasmallroom,measuresmustbetakentoprevent the refrigerant concentration in the room fromexceeding thesafety limit intheeventofrefrigerant leakage.Consultadealerregardingtheappropriatemeasurestopreventtheallowableconcentrationfrombe-ingexceeded.Shouldtherefrigerantleakandcausetheconcentrationlimittobeexceeded,hazardsduetolackofoxygenintheroommayresult.

•Ventilatetheroomifrefrigerantleaksduringoperation.Ifrefrigerantcomesintocontactwithaflame,poisonousgaseswillbereleased.

•Allelectricworkmustbeperformedbyaqualifiedtechnicianaccordingtolocalregulationsandtheinstructionsgiveninthismanual.Theunitsmustbepoweredbydedicatedpower linesand thecorrectvoltageandcircuitbreakersmustbeused.Powerlineswithinsufficientcapacityorincorrectelectricalworkmayresultinelectricshockorfire.

• UseC1220copperphosphorus, for copperandcopperalloyseamlesspipes,toconnecttherefrigerantpipes.Ifthepipesarenotconnectedcor-rectly,theunitwillnotbeproperlygroundedandelectricshockmayresult.

• Useonlyspecifiedcables forwiring.Theconnectionsmustbemadese-curelywithouttensionontheterminals.Ifthecablesareconnectedorin-stalledincorrectly,overheatingorfiremayresult.

• Theterminalblockcoverpaneloftheoutdoorunitmustbefirmlyattached.Ifthecoverpanelismountedincorrectlyanddustandmoistureentertheunit,electricshockorfiremayresult.

•Wheninstallingormovingtheairconditioner,useonlythespecifiedrefrig-erant(R410A)tochargetherefrigerant lines.Donotmixitwithanyotherrefrigerantanddonotallowair toremaininthe lines.Airenclosedinthelinescancausepressurepeaksresultinginaruptureandotherhazards.

• UseonlyaccessoriesauthorizedbyMitsubishiElectric andaskadealeror anauthorized technician to install them. If accessoriesare incorrectlyinstalled,waterleakage,electricshock,orfiremayresult.

• Donotalter theunit.Consultadealer forrepairs. Ifalterationsorrepairsarenotperformedcorrectly,water leakage,electricshock,orfiremayre-sult.

• Theusershouldneverattempt to repair theunitor transfer it toanotherlocation. If theunit is installed incorrectly,water leakage, electric shock,orfiremayresult. If theairconditionermustberepairedormoved,askadealeroranauthorizedtechnician.

• Afterinstallationhasbeencompleted,checkforrefrigerantleaks.Ifrefrig-erantleaksintotheroomandcomesintocontactwiththeflameofaheaterorportablecookingrange,poisonousgaseswillbereleased.

1.1.BeforeinstallationCaution:

• Donotuse theunit in anunusual environment. If theair conditioner isinstalledinareasexposedtosteam,volatileoil(includingmachineoil),orsulfuricgas, areasexposed tohighsalt contentsuchas theseaside,orareaswheretheunitwillbecoveredbysnow,theperformancecanbesig-nificantlyreducedandtheinternalpartscanbedamaged.

• Donot install theunitwherecombustiblegasesmay leak,beproduced,flow,oraccumulate. Ifcombustiblegasaccumulatesaround theunit,fireorexplosionmayresult.

• Theoutdoorunitproducescondensationduring theheatingoperation.Makesuretoprovidedrainagearoundtheoutdoorunitifsuchcondensa-tionislikelytocausedamage.

•When installing theunit inahospitalor communicationsoffice,bepre-pared fornoiseandelectronic interference. Inverters,homeappliances,high-frequencymedicalequipment,andradiocommunicationsequipmentcancause theair conditioner tomalfunctionorbreakdown.Theair con-ditionermayalsoaffectmedical equipment,disturbingmedical care, andcommunicationsequipment,harmingthescreendisplayquality.

1.2.Beforeinstallation(relocation)Caution:

• Beextremelycarefulwhen transporting theunits.Twoormorepersonsareneeded tohandle theunit, as itweighs20kgormore.Donotgraspthepackagingbands.Wearprotectiveglovestoremovetheunit fromthepackagingandtomoveit,asyoucaninjureyourhandsonthefinsorotherparts.

• Besuretosafelydisposeofthepackagingmaterials.Packagingmaterials,suchasnailsandothermetalorwoodenpartsmaycausestabsorotherinjuries.

• Thebaseandattachmentsoftheoutdoorunitmustbeperiodicallycheckedforlooseness,cracksorotherdamage.Ifsuchdefectsareleftuncorrected,theunitmayfalldownandcausedamageorinjuries.

• Donotcleantheairconditionerunitwithwater.Electricshockmayresult.• Tightenall flarenuts tospecificationusinga torquewrench. If tightenedtoomuch,theflarenutcanbreakafteranextendedperiodandrefrigerantcanleakout.

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3

1. Safetyprecautions

1.3. BeforeelectricworkCaution:

• Besuretoinstallcircuitbreakers.Ifnotinstalled,electricshockmayresult.• Forthepowerlines,usestandardcablesofsufficientcapacity.Otherwise,ashortcircuit,overheating,orfiremayresult.

•Wheninstallingthepowerlines,donotapplytensiontothecables. Iftheconnectionsare loosened, thecablescansnaporbreakandoverheatingorfiremayresult.

• Besuretogroundtheunit.Donotconnectthegroundwiretogasorwaterpipes,lightingrods,ortelephonegroundinglines.Iftheunitisnotproperlygrounded,electricshockmayresult.

• Usecircuitbreakers(groundfaultinterrupter,isolatingswitch(+Bfuse),andmoldedcasecircuitbreaker)withthespecifiedcapacity.Ifthecircuitbreakercapacityislargerthanthespecifiedcapacity,breakdownorfiremayresult.

1.4. BeforestartingthetestrunCaution:

• Turnonthemainpowerswitchmorethan12hoursbeforestartingopera-tion.Startingoperationjustafterturningonthepowerswitchcanseverelydamage the internalparts.Keep themainpowerswitch turnedonduringtheoperationseason.

• Beforestartingoperation,check thatallpanels,guardsandotherprotec-tivepartsarecorrectly installed.Rotating,hot, orhighvoltagepartscancauseinjuries.

• Donottouchanyswitchwithwethands.Electricshockmayresult.• Donot touch therefrigerantpipeswithbarehandsduringoperation.Therefrigerantpipesarehotorcolddependingontheconditionoftheflowingrefrigerant.Ifyoutouchthepipes,burnsorfrostbitemayresult.

• Afterstoppingoperation,besuretowaitatleastfiveminutesbeforeturn-ingoffthemainpowerswitch.Otherwise,waterleakageorbreakdownmayresult.

1.5. UsingR410ArefrigerantairconditionersCaution:

•Usenewrefrigerantpipes. NotethefollowingifreusingexistingpipesthatcarriedR22refrigerant.- Besuretocleanthepipesandmakesurethattheinsidesofthepipesareclean.- Replacetheexistingflarenutsandflaretheflaredsectionsagain.- Donotusethinpipes.(Refertopage5)• UseC1220copperphosphorus, for copperandcopperalloyseamlesspipes,toconnecttherefrigerantpipes.Makesuretheinsidesofthepipesarecleananddonot containanyharmful contaminantssuchassulfuriccompounds,oxidants,debris,ordust.Usepipeswith thespecifiedthick-ness.(Refertopage5)

• Storethepipestobeusedduringinstallationindoorsandkeepbothendsof thepipessealeduntil justbeforebrazing. (Leaveelbow joints, etc. intheirpackaging.)Ifdust,debris,ormoistureenterstherefrigerantlines,oildeteriorationorcompressorbreakdownmayresult.

• Useesteroil,etheroil,alkylbenzeneoil(smallamount)astherefrigerationoilappliedtotheflaredsections.Ifmineraloilismixedintherefrigerationoil,oildeteriorationmayresult.

• DonotuserefrigerantotherthanR410Arefrigerant.Ifanotherrefrigerantisused,thechlorinewillcausetheoiltodeteriorate.

• Useavacuumpumpwithareverseflowcheckvalve.Ifthevacuumpumpoil flowsbackward into the refrigerant lines, refrigerantoil deteriorationmayresult.

• Use the following toolsspecificallydesigned forusewithR410Arefriger-ant.The following toolsarenecessary touseR410A refrigerant.Contactyournearestdealerforanyquestions.

Tools(forR410A)Gaugemanifold Flaretool

Chargehose SizeadjustmentgaugeGasleakdetector Vacuumpumpadapter

Torquewrench Electronicrefrigerantchargingscale• Besuretousethecorrecttools.Ifdust,debris,ormoistureentersthere-frigerantlines,refrigerationoildeteriorationmayresult.

• Donotuseachargingcylinder.Ifachargingcylinderisused,thecomposi-tionoftherefrigerantwillchangeandtheefficiencywillbelowered.

1 1.6. Accessoriesofoutdoorunit(Fig.1-1)Thepartsshowintheleftaretheaccessoriesofthisunit,whichareaffixedtotheinsideoftheservicepanel.1 Jointpipe........×1

2. Installationlocation

2.1. Refrigerantpipe(Fig.2-1)Checkthatthedifferencebetweentheheightsoftheindoorandoutdoor

units,thelengthofrefrigerantpipe,andthenumberofbendsinthepipearewithinthelimitsshownbelow.

Models APipesize(mm) BPipelength(oneway)

CHeightdifference

DNumberofbends(oneway)Gasside Liquidside

P200 ø25.4 ø9.52 Max.70m Max.30m Max.of15P250 ø25.4 ø12.7 Max.70m Max.30m Max.of15

• Heightdifference limitationsarebindingregardlessofwhichunit, indoororout-door,ispositionedhigher.E IndoorunitF Outdoorunit

2.2. Choosingtheoutdoorunitinstallationlocation• Avoidlocationsexposedtodirectsunlightorothersourcesofheat.• Select a location from whichnoiseemitted by the unitwill not inconvenience

neighbors.• Selectalocationpermittingeasywiringandpipeaccesstothepowersourceand

indoorunit.•Avoidlocationswherecombustiblegasesmayleak,beproduced,flow,oraccumulate.• Notethatwatermaydrainfromtheunitduringoperation.• Selectalevellocationthatcanbeartheweightandvibrationoftheunit.• Avoidlocationswheretheunitcanbecoveredbysnow.Inareaswhereheavysnowfallis

anticipated,specialprecautionssuchasraisingtheinstallationlocationorinstallingahoodontheairintakeandairoutletmustbetakentopreventthesnowfromblockingtheairin-takeorblowingdirectlyagainstit.Thiscanreducetheairflowandamalfunctionmayresult.

• Avoidlocationsexposedtooil,steam,orsulfuricgas.• Usethetransportationhandlesoftheoutdoorunittotransporttheunit.Iftheunitiscarriedfromthebottom,handsorfingersmaybepinched.

2.3. Outlinedimensions(Outdoorunit)(Fig.2-2)

Fig.2-1(mm)

Fig.1-1

Fig.2-2

BH79D068H02_en.indd 3 8/24/2007 2:25:12 PM

4

2. Installationlocation

Fig.3-1

2.4. Ventilationandservicespace2.4.1. WindylocationinstallationWhen installing the outdoor unit on a rooftop or other location unprotected fromthewind,situatetheairoutletoftheunitsothatitisnotdirectlyexposedtostrongwinds.Strongwindentering theair outletmay impede thenormal airflowandamalfunctionmayresult.Thefollowingshowsthreeexamplesofprecautionsagainststrongwinds.1 Facetheairoutlettowardsthenearestavailablewallabout100cmawayfrom

thewall.(Fig.2-3)2 Install anoptional air guide if the unit is installed in a location where strong

windsfromatyphoon,etc.maydirectlyentertheairoutlet.(Fig.2-4)A Airoutletguide

3 Position the unit so that the air outlet blows perpendicularly to the seasonalwinddirection,ifpossible.(Fig.2-5)B Winddirection

Fig.2-4

Fig.2-3

Fig.2-5

2.4.2. Wheninstallingasingleoutdoorunit(Refertothelastpage)Minimumdimensionsareas follows,except forMax.,meaningMaximumdimen-sions,indicated.1 Obstaclesatrearonly(Fig.2-6)2 Obstaclesatrearandaboveonly(Fig.2-7)3 Obstaclesatrearandsidesonly(Fig.2-8)4 Obstaclesatfrontonly(Fig.2-9)

* Whenusinganoptionalairoutletguide,theclearanceis500mmormore.5 Obstaclesatfrontandrearonly(Fig.2-10)

* Whenusinganoptionalairoutletguide,theclearanceis500mmormore.6 Obstaclesatrear,sides,andaboveonly(Fig.2-11)

• Donotinstalltheoptionalairoutletguidesforupwardairflow.

2.4.3. Wheninstallingmultipleoutdoorunits(Refertothelastpage)Leave10mmspaceormorebetweentheunits.1 Obstaclesatrearonly(Fig.2-12)2 Obstaclesatrearandaboveonly(Fig.2-13)

• No more than three units must be installed sideby side. In addition, leave spaceasshown.

• Donotinstalltheoptionalairoutletguidesforupwardairflow.3 Obstaclesatfrontonly(Fig.2-14)

* Whenusinganoptionalairoutletguide,theclearanceis1000mmormore.4 Obstaclesatfrontandrearonly(Fig.2-15)

* Whenusinganoptionalairoutletguide,theclearanceis1000mmormore.5 Singleparallelunitarrangement(Fig.2-16)

* Whenusinganoptionalairoutletguideinstalledforupwardairflow,theclearanceis1000mmormore.

6 Multipleparallelunitarrangement(Fig.2-17)* Whenusinganoptionalairoutletguideinstalledforupwardairflow,theclearanceis1500

mmormore.7 Stackedunitarrangement(Fig.2-18)

• Theunitscanbestackeduptotwounitshigh.• Nomorethantwostackedunitsmustbeinstalledsidebyside.Inaddition,leavespaceas

shown.

3. Installingtheoutdoorunit

• Besuretoinstalltheunitinasturdy,levelsurfacetopreventrattlingnoisesdur-ingoperation.(Fig.3-1)

<Foundationspecifications>Foundationbolt M10(3/8")Thicknessofconcrete 120mmLengthofbolt 70mmWeight-bearingcapacity 320kg

• Makesure that the lengthof the foundationbolt iswithin30mmof thebottomsurfaceofthebase.

• Securethebaseoftheunitfirmlywithfour-M10foundationboltsinsturdyloca-tions.

Installingtheoutdoorunit• Do not block the vent. If the vent is blocked, operation will be hindered and

breakdownmayresult.• Inaddition to theunit base, use the installationholes it fixes toppanel on the

back of the unit to attachwires, etc., if necessary to install the unit.Use self-tappingscrews(ø5×15mmorless)andinstallonsite.

Warning:• Theunitmustbesecurely installedonastructure that cansustain itsweight.Iftheunitismountedonanunstablestructure,itmayfalldownandcausedamageorinjuries.

• Theunitmustbe installedaccording to the instructions inorder tomini-mizetheriskofdamagefromearthquakes,typhoons,orstrongwinds.Anincorrectlyinstalledunitmayfalldownandcausedamageorinjuries.

A M10(3/8")boltB BaseC Aslongaspossible.D Vent

Max

.30

(mm)

Min.360

Min.10

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4. Installingtherefrigerantpiping

4.1. PrecautionsfordevicesthatuseR410Arefrigerant• Refertopage3forprecautionsnotincludedbelowonusingaircondition-erswithR410Arefrigerant.

• Useesteroil,etheroil,alkylbenzeneoil(smallamount)astherefrigerationoilappliedtotheflaredsections.

• UseC1220copperphosphorus, for copperandcopperalloyseamlesspipes,toconnecttherefrigerantpipes.Userefrigerantpipeswiththethick-nessesspecified in the table to thebelow.Makesure the insidesof thepipesarecleananddonotcontainanyharmfulcontaminantssuchassul-furiccompounds,oxidants,debris,ordust.

Alwaysapplyno-oxidationbrazingwhenbrazingthepipes,otherwise,thecompressorwillthedamaged.

Warning:Wheninstallingormovingtheairconditioner,useonlythespecifiedrefriger-ant (R410A)tochargetherefrigerant lines.Donotmix itwithanyotherre-frigerantanddonotallowairtoremaininthelines.Airenclosedinthelinescancausepressurepeaksresultinginaruptureandotherhazards.Pipesize(mm) ø6.35 ø9.52 ø12.7 ø15.88 ø19.05 ø22.2 ø25.4 ø28.58Thickness(mm) 0.8 0.8 0.8 1.0 1.0 1.0 1.0 1.0•Donotusepipesthinnerthanthosespecifiedabove.

4.2. Connectingpipes• Whencommerciallyavailablecopperpipesareused,wrapliquidandgaspipes

withcommerciallyavailableinsulationmaterials(heat-resistantto100°Cormore,thicknessof12mmormore).

• The indoor parts of the drain pipe should be wrapped with polyethylene foaminsulationmaterials(specificgravityof0.03,thicknessof9mmormore).

• Applythinlayerofrefrigerantoiltopipeandjointseatingsurfacebeforetighten-ingflarenut.A(Fig.4-1)

• Usetwowrenchestotightenpipingconnections.B(Fig.4-1)• Use leakdetectoror soapywater tocheck forgas leaksafter connectionsare

completed.• Applyrefrigeratingmachineoilovertheentireflareseatsurface.C(Fig.4-1)• Usetheflarenutsforthefollowingpipesize.D(Fig.4-1)

RP50 RP60,71 RP100-140Gasside Pipesize(mm) ø12.7 ø15.88 ø15.88

Liquidside Pipesize(mm) ø6.35 ø9.52 ø9.52

• Whenbendingthepipes,becarefulnottobreakthem.Bendradiiof100mmto150mmaresufficient.

• Makesurethepipesdonotcontactthecompressor.Abnormalnoiseorvibrationmayresult.

1 Pipesmustbeconnectedstartingfromtheindoorunit. Flarenutsmustbetightenedwithatorquewrench.2 Flare the liquidpipesandgaspipesandapplya thin layerof refrigerationoil

(Appliedonsite).•Whenusualpipesealingisused,refertoTable1forflaringofR410Arefrigerant

pipes. ThesizeadjustmentgaugecanbeusedtoconfirmBmeasurements.

Table1(Fig.4-2)

CopperpipeO.D.(mm)

B(mm)FlaretoolforR410A FlaretoolforR22·R407C

Clutchtypeø6.35(1/4") 0-0.5 1.0-1.5ø9.52(3/8") 0-0.5 1.0-1.5ø12.7(1/2") 0-0.5 1.0-1.5

ø15.88(5/8") 0-0.5 1.0-1.5ø19.05(3/4") 0-0.5 1.0-1.5

3 Usethefollowingprocedureforconnectingthegas-sidepiping.(Fig.4-3)1 BrazetheEJointpipeprovidedtotheoutdoorunitusinglocallyprocuredbraz-

ingmaterialsandCLocalpipingwithoutoxygen.2 ConnecttheEJointpipetothegas-sideStopvalve. Usetwowrenchestotightentheflarenut.

* Iforderisreversed,refrigerantleakoccursbecauseofthepartdamagingbybrazingfire.

• ForPEA-RP200,250,400,500GA Themethodofpipeconnectionisbrazingconnection.

PEA-200 PEA-250 PEA-400 PEA-500Gasside Pipesize(mm) ø25.4 ø25.4 ø25.4 ø25.4

Liquidside Pipesize(mm) ø9.52 ø12.7 ø9.52 ø12.7

A (Fig.4-1)CopperpipeO.D.

(mm)Flaredimensions

øAdimensions(mm)ø6.35 8.7-9.1ø9.52 12.8-13.2ø12.7 16.2-16.6

ø15.88 19.3-19.7ø19.05 23.6-24.0

B (Fig.4-1)CopperpipeO.D.

(mm)FlarenutO.D.

(mm)Tighteningtorque

(N·m)ø6.35 17 14-18ø6.35 22 34-42ø9.52 22 34-42ø12.7 26 49-61ø12.7 29 68-82

ø15.88 29 68-82ø15.88 36 100-120ø19.05 36 100-120

A FlarecuttingdimensionsB Flarenuttighteningtorque

A DieB Copperpipe

A Stopvalve(gas-side)B SealsectionC LocalpipingD DoublespannersectionE JointpipeF Pipecover

Fig.4-1

Fig.4-2 Fig.4-3

45°±2°

90°

±0.

5°

R0.4~R0.8

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6

4. Installingtherefrigerantpiping

A FrontpipingcoverB PipingcoverC StopvalveD ServicepanelE Bendradius:100mm-150mm

AStopvalve<Liquidside>BStopvalve<Gasside>C ServiceportD Open/ClosesectionE LocalpipeF Sealsection (Seal the end of the heat insulation

material at the pipe connection sectionwithwhateversealmaterialyouhaveonhandsothatwaterdoesnotinfiltratetheheatinsulationmaterial.)

G PipecoverH Donotuseawrenchhere. Refrigerantleakagemayresult.I Doublespannersection (Do not apply a spanner other than to

thissection.Doingsowouldcausecool-antleaks.)

4.3. Refrigerantpiping(Fig.4-4)Remove the service panelD (three screws) and the front piping coverA (twoscrews)andrearpipingcoverB(twoscrews).1 Performrefrigerantpipingconnectionsfortheindoor/outdoorunitwhentheout-

doorunit’sstopvalveiscompletelyclosed.2 Vacuum-purgeairfromtheindoorunitandtheconnectionpiping.3 Afterconnecting the refrigerantpipes,check theconnectedpipesand the in-

doorunitforgasleaks.(Referto4.4Refrigerantpipeairtighttestingmethod)4 A high-performance vacuum pump is used at the stop valve serviceport to

maintain a vacuum for an adequate time (at least one hour after reaching –101kPa(5Torr))inordertovacuumdrytheinsideofthepipes.Alwayscheckthedegreeofvacuumatthegaugemanifold.Ifthereisanymoistureleftinthepipe,thedegreeofvacuumissometimesnotreachedwithshort-timevacuumapplication.

Aftervacuumdrying,completelyopenthestopvalves(bothliquidandgas)fortheoutdoorunit.Thiscompletelylinkstheindoorandoutdoorcoolantcircuits.• Ifthevacuumdryingisinadequate,airandwatervaporremaininthecoolant

circuitsandcancauseabnormalriseofhighpressure,abnormaldropoflowpressure,deteriorationofthefreezingmachineoilduetomoisture,etc.

• Ifthestopvalvesareleftclosedandtheunitisoperated,thecompressorandcontrolvalveswillbedamaged.

• Usealeakdetectororsoapywatertocheckforgasleaksatthepipeconnec-tionsectionsoftheoutdoorunit.

• Donotusetherefrigerantfromtheunittopurgeairfromtherefrigerantlines.• After the valvework is completed, tighten the valve caps to the correct

torque:20to25N·m(200to250kgf·cm). Failure to replaceand tighten thecapsmayresult in refrigerant leakage. In

addition,donotdamagetheinsidesofthevalvecapsastheyactasasealtopreventrefrigerantleakage.

5 Usesealanttosealtheendsofthepipecoveraroundthepipeconnectionsec-tionstopreventwaterfromenteringthethermalinsulation.

4.4. Refrigerantpipeairtighttestingmethod(Fig.4-5)(1)Connectthetestingtools.

• MakesurethestopvalvesABareclosedanddonotopenthem.• AddpressuretotherefrigerantlinesthroughtheserviceportCoftheliquid

stopvalveA.(2)Donotaddpressuretothespecifiedpressureallatonce;addpressurelittleby

little.1 Pressurizeto0.5MPa(5kgf/cm2G),waitfiveminutes,andmakesurethe

pressuredoesnotdecrease.2 Pressurizeto1.5MPa(15kgf/cm2G),waitfiveminutes,andmakesurethe

pressuredoesnotdecrease.3 Pressurizeto4.15MPa(41.5kgf/cm2G)andmeasurethesurroundingtem-

peratureandrefrigerantpressure.(3) If thespecifiedpressureholds foraboutonedayanddoesnotdecrease, the

pipeshavepassedthetestandtherearenoleaks.• Ifthesurroundingtemperaturechangesby1°C,thepressurewillchangeby

about0.01MPa(0.1kgf/cm2G).Makethenecessarycorrections.(4) Ifthepressuredecreasesinsteps(2)or(3),thereisagasleak.Lookforthe

sourceofthegasleak.

4.5. StopvalveopeningmethodThestopvalveopeningmethodvariesaccording to theoutdoorunitmodel.Usetheappropriatemethodtoopenthestopvalves.(1)Liquidsideofstopvalve(Fig.4-6)1 Removethecapandturnthevalverodcounterclockwiseasfarasitwillgowith

theuseofa4mmhexagonalwrench.Stopturningwhenithitsthestopper. (Approximately10revolutions)2 Makesurethatthestopvalveisopencompletelyandrotatethecapbacktoits

originalposition.(2)Gassideofstopvalve(Fig.4-7)1 Removethecap,pull thehandletowardyouandrotate1/4turninacounter-

clockwisedirectiontoopen.2 Makesurethatthestopvalveisopencompletely,pushinthehandleandrotate

thecapbacktoitsoriginalposition.

Refrigerantpipesareprotectivelywrapped• Thepipescanbeprotectivelywrappedup toadiameterofø90beforeorafter

connectingthepipes.Cutouttheknockoutinthepipecoverfollowingthegrooveandwrapthepipes.

Pipeinletgap• Useputtyorsealanttosealthepipeinletaroundthepipessothatnogapsre-

main. (If thegapsarenotclosed,noisemaybeemittedorwateranddustwillentertheunitandbreakdownmayresult.)

4.6. Additionofrefrigerant• Additionalchargingisnotnecessaryifthepipelengthdoesnotexceed30m.• Ifthepipelengthisexceeded,chargetheunitwithadditionalR410Arefrigerant

accordingtothepermittedpipelengthsinthefollowingtable.* When the unit is stopped, charge the unit with the additional refrigerant

through the liquidstopvalveafter thepipeextensionsand indoorunithavebeenvacuumized.

When the unit is operating, add refrigerant to the gas check valve using asafetycharger.Donotaddliquidrefrigerantdirectlytothecheckvalve.

* Afterchargingtheunitwithrefrigerant,notetheaddedrefrigerantamountontheservicelabel(attachedtotheunit).

Refertothe“1.5.UsingR410Arefrigerantairconditioners”formoreinformation.

• Becarefulwhen installingmultipleunits.Connecting toan incorrect indoorunitcanleadtoabnormallyhighpressureandhaveaseriouseffectonoperationper-formance.

ModelPermitted

pipelength

Permittedvertical

difference

Additionalrefrigerantchargingamount

31-40m 41-50m 51-60m 61-70mP200

70m 30m0.9kg 1.8kg 2.7kg 3.6kg

P250 1.2kg 2.4kg 3.6kg 4.8kg

Fig.4-4

Fig.4-5(1)

Fig.4-7Fig.4-6

(2)

A ValveB UnitsideC OperationsectionD CapE LocalpipesideF PipecoverG ServiceportH Wrenchhole

I Doublespannersection (Donotapplyaspannerotherthantothissection.Doing

sowouldcausecoolantleaks.)J Sealsection (Sealtheendoftheheatinsulationmaterialatthepipecon-

nectionsectionwithwhateversealmaterialyouhaveonhandsothatwaterdoesnotinfiltratetheheatinsulationmaterial.)

K Handle

BH79D068H02_en.indd 6 8/24/2007 2:25:14 PM

7

4. Installingtherefrigerantpiping

Fig.4-8

4.7. Fortwin/triple/quadruplecombination(Fig.4-8)• When this unit is used as a FREECOMPOMULTI unit, install the refrigerant

pipingwiththerestrictionsindicatedinthedrawingontheleft.Inaddition,iftherestrictionsaregoingtobeexceeded,oriftherearegoingtobecombinationsofindoorandoutdoorunits, refer to installation instructions for the indoorunit fordetailsabouttheinstallation.

OutdoorunitPermissibletotal

pipinglengthA+B+C+D+E

Charge-lesspipinglengthA+B+C+D+E

P200P250 70mandless 30mandless

Outdoorunit|B-C|or|B-D|or|B-E|or|C-D|or

|C-E|or|D-E|No.ofbends

P200P250 8mandless Within15|B–C|

|B–D| 8m|C–D|A+B+C(+D)(+E) 70m

*“D”isfortriple.*“E”isforfour(quadruple).

A IndoorunitB OutdoorunitC Multidistributionpipe(option)D Heightdifference(Indoorunit-

Outdoorunit)Max.30mE Heightdifference(Indoorunit-

Indoorunit)Max.1mA:MainpipingB,C,D,E:Branchpiping

<Limitsofrefrigerantpipinginstallation>

5. Drainagepipingwork

OutdoorunitdrainagepipeconnectionWhendrainpipingisnecessary,usethedrainsocketorthedrainpan(option).

Drainsocket PAC-SG61DS-EDrainpan PAC-SG64DP-E

6. Electricalwork

6.1. Outdoorunit(Fig.6-1,Fig.6-2)(1)Removetheservicepanel.(2)WirethecablesreferringtotheFig.6-1andtheFig.6-2.

A IndoorunitB OutdoorunitC RemotecontrollerD Mainswitch(Breaker)E Earth

ForPower

ForPower

ForHeater ForHeater ForHeater ForHeater

ForHeater

*WithHeatermodelonly

A Powersupplyterminalblock(L1,L2,L3,N, )B Indoor/outdoorconnectionterminalblock(S1,S2,S3)C ServicepanelD Clamp* Clampthecablesso that theydonotcontact thecenterof theservicepanelor thegas

valve.

Note: If theprotectivesheet for theelectricalbox is removeddur-ingservicing,besure to rein-stallit.

* ExceptPEA-RP200,250,400,500GA

PUHZ-200,250 PEA-200,250A PowersupplyB EarthleakagebreakerC CircuitbreakerorlocalswitchD LCDremotecontrollerE OutdoorunitF IndoorunitG PowercablewiringH Indoor/OutdoorconnectionwiringI Grounding

Fig.6-1

* IncaseofPEA-200,250

BH79D068H02_en.indd 7 8/24/2007 2:25:15 PM

8

6. Electricalwork

6.2. Fieldelectricalwiring• Ifthewiringconnectingtheindoorandoutdoorunitsislongerthan80m,useseparateindoor/outdoorunitpowersupplies.(Refertotheinstallationmanualsofthein-

doorunitsformoreinformation.)Indoorunitmodel P200,250OutdoorunitPowersupply

PhaseFrequency&Voltage

3N~(3ph4-wires),50Hz,380-400-415V

Outdoorunitinputcapacity *1Mainswitch(Breaker) 32A

WiringWireNo.×size

(mm2)

Outdoorunitpowersupply 5×Min.4Indoorunit-Outdoorunit *2 Cablelength50m:3×4(Polar)/Cablelength80m:3×6(Polar)Indoorunit-Outdoorunitearth 1×Min.2.5Remotecontroller-Indoorunit *3 2×0.69(Non-polar)

Circuitrating

OutdoorunitL1-N,L2-N,L3-N AC220-230-240VIndoorunit-OutdoorunitS1-S2 *4 AC220-230-240VIndoorunit-OutdoorunitS2-S3 *4 DC24VRemotecontroller-Indoorunit *4 DC14V

*1.Abreakerwithatleast3mmcontactseparationineachpoleshallbeprovided.Usenon-fusebreaker(NF)orearthleakagebreaker(NV).*2.Max.80mTotalMax.includingallindoor/indoorconnectionis80m. •UseonecableforS1andS2andanotherforS3asshowninthepicture. •Max.50mTotalMax.forPEA.Wiringsize3×1.5(Polar).*3.A10mwireisattachedintheremotecontrolleraccessory.*4.ThevoltageareNOTagainsttheground. S3terminalhasDC24VagainstS2terminal.HoweverbetweenS3andS1,theseterminalsarenotelectricallyinsulatedbythetransformerorotherdevice.

Notes:1.Wiringsizemustcomplywiththeapplicablelocalandnationalcode. .PowersupplycordsandIndoorunit/Outdoorunitconnectingcordsshallnotbelighterthanpolychloroprenesheathedflexiblecord.(Design60245IEC57) 3.Useanearthwirewhichislongerthantheothercordssothatitwillnotbecomedisconnectedwhentensionisapplied.

“A-Control”OutdoorUnit

3polesisolator(Switch)

380/400/415V50HzThreephase(4wires)

Isolator(Switch)

“A-Control”IndoorUnit

A PowersupplyB EarthleakagebreakerC CircuitbreakerorlocalswitchD LCDremotecontrollerE OutdoorunitF IndoorunitG PowercablewiringH Indoor/OutdoorconnectionwiringI Grounding

Fig.6-2

* IncaseofPEA-400,500

(No.1Outdoor)

PUHZ-200,250 PEA-400,500(TB4-1) (TB4-2)

(No.2Outdoor)

PUHZ-200,250

A OutdoorunitB IndoorunitC MainremotecontrollerD SubordinateremotecontrollerE Standard(Refrigerantaddress=00)F Refrigerantaddress=01G Refrigerantaddress=02H Refrigerantaddress=03I Refrigerantaddress=14J Refrigerantaddress=15

* IncaseofPEA-200,250 * IncaseofPEA-400,500

BH79D068H02_en.indd 8 8/24/2007 2:25:16 PM

7. Testrun

6. Electricalwork

Warning:IncaseofA-controlwiring,thereishighvoltagepotentialontheS3terminalcausedbyelectricalcircuitdesignthathasnoelectricalinsulationbetweenpow-erlineandcommunicationsignalline.Therefore,pleaseturnoffthemainpowersupplywhenservicing.AnddonottouchtheS1,S2,S3terminalswhenthepowerisenergized.Ifisolatorshouldbeusedbetweenindoorunitandoutdoorunit,pleaseuse3-polestype.

WIRINGSPECIFICATIONSFOR220-240V50Hz(INDOOR-OUTDOORCONNECTINGCABLE)

Crosssectionofcable Wiresize(mm2) Numberofwires Polarity L(m)*6Round

2.5 3Clockwise:S1-S2-S3*Payattentiontostripeofyellowandgreen

(30)*2

Flat2.5 3

Notapplicable(Becausecenterwirehasnocoverfinish)

Notapplicable*5

Flat1.5 4

Fromlefttoright:S1-Open-S2-S3 (18)*3

Round2.5 4

Clockwise:S1-S2-S3-Open*ConnectS1andS3totheoppositeangle

(30)*4

*1:Powersupplycordsofappliancesshallnotbelighterthandesign60245IECor227IEC.

*2:Incasethatcablewithstripeofyellowandgreenisavailable.*3:Incaseofregularpolarityconnection(S1-S2-S3),wiresizeis1.5mm2.*4:Incaseofregularpolarityconnection(S1-S2-S3).*5:Intheflatcablesareconnectedasthispicture,theycanbeusedupto30m.

*6:Mentionedcablelengthisjustareferencevalue. Itmaybedifferentdependingontheconditionofinstallation,Humidityormate-

rials,etc.

(3CFlatcable×2)

Besuretoconnecttheindoor-outdoorconnectingcablesdirectlytotheunits(nointermediateconnections).Intermediateconnectionscanleadtocommunicationerrorsifwaterentersthecablesandcausesinsufficientinsulationtogroundorapoorelectricalcontactattheinter-mediateconnectionpoint.(Ifanintermediateconnectionisnecessary,besuretotakemeasurestopreventwaterfromenteringthecables.)

7.1. Beforetestrun• After completing installationand thewiringandpipingof the indoorandoutdoorunits,checkforrefrigerantleakage,loosenessinthepowersupplyorcontrolwiring,wrongpolarity,andnodisconnectionofonephaseinthesupply.

• Usea500-voltmegohmmeter tocheck that the resistancebetween thepowersupplyterminalsandgroundisatleast1.0MΩ.

• Donotcarryoutthistestonthecontrolwiring(lowvoltagecircuit)termi-nals.Warning:

Donotusetheairconditioneriftheinsulationresistanceislessthan1.0MΩ.

InsulationresistanceAfterinstallationorafterthepowersourcetotheunithasbeencutforanextendedperiod,theinsulationresistancewilldropbelow1MΩduetorefrigerantaccumulat-inginthecompressor.Thisisnotamalfunction.Performthefollowingprocedures.1. Removethewiresfromthecompressorandmeasuretheinsulationresistance

ofthecompressor.2. Iftheinsulationresistanceisbelow1MΩ,thecompressorisfaultyortheresist-

ancedroppedduetheaccumulationofrefrigerantinthecompressor.3. Afterconnectingthewirestothecompressor,thecompressorwillstarttowarm

upafterpowerissupplied.Aftersupplyingpowerforthetimesindicatedbelow,measuretheinsulationresistanceagain.

• Theinsulationresistancedropsduetoaccumulationofrefrigerantinthecom-pressor.Theresistancewillriseabove1MΩafterthecompressoriswarmedupforfourhours.

(Thetimenecessarytowarmupthecompressorvariesaccordingtoatmos-phericconditionsandrefrigerantaccumulation.)

• Tooperate thecompressorwith refrigerantaccumulated in thecompressor,thecompressormustbewarmedupatleast12hourstopreventbreakdown.

4. Iftheinsulationresistancerisesabove1MΩ,thecompressorisnotfaulty.

Caution:• Thecompressorwillnotoperateunless thepowersupplyphaseconnec-

tioniscorrect.• Turnonthepoweratleast12hoursbeforestartingoperation.- Startingoperationimmediatelyafterturningonthemainpowerswitchcanresult

inseveredamagetointernalparts.Keepthepowerswitchturnedonduringtheoperationalseason.

• Thefollowingsmustbecheckedaswell.• Theoutdoorunit isnot faulty.LED1andLED2onthecontrolboardof theout-doorunitflashwhentheoutdoorunitisfaulty.

• Boththegasandliquidstopvalvesarecompletelyopen.• A protective sheet covers the surfaceof the DIP switchpanel on the control

boardof theoutdoor unit.Remove theprotective sheet to operate theDIPswitcheseasily.

7.2. Testrun7.2.1. UsingSW4inoutdoorunit

SW4-1 ONCoolingoperation

SW4-2 OFFSW4-1 ON

HeatingoperationSW4-2 ON

* Afterperformingthetestrun,setSW4-1toOFF.• Afterpower issupplied,asmallclickingnoisemaybeheard fromthe insideof

theoutdoorunit.Theelectronicexpansionvalveisopeningandclosing.Theunitisnotfaulty.

• Afewsecondsafterthecompressorstarts,aclangingnoisemaybeheardfromtheinsideoftheoutdoorunit.Thenoiseiscomingfromthecheckvalveduetothesmalldifferenceinpressureinthepipes.Theunitisnotfaulty.

The test runoperationmodecannotbechangedbyDIPswitchSW4-2dur-ingthetestrun.(Tochangethetestrunoperationmodeduringthetestrun,stopthetestrunbyDIPswitchSW4-1.Afterchangingthetestrunoperationmode,resumethetestrunbyswitchSW4-1.)

7.2.2. UsingremotecontrollerRefertotheindoorunitinstallationmanual.

BH79D068H02_en.indd 9 8/24/2007 2:25:16 PM

10

8. SpecialFunctions

8.3. Refrigerantcollecting(pumpdown)Performthefollowingprocedurestocollecttherefrigerantwhenmovingtheindoorunitortheoutdoorunit.1 Supplypower(circuitbreaker).

* Whenpowerissupplied,makesurethat“CENTRALLYCONTROLLED”isnotdisplayed on the remote controller. If “CENTRALLY CONTROLLED” is dis-played,therefrigerantcollecting(pumpdown)cannotbecompletednormally.

2 Afterthegasstopvalveisclosed,settheSWPswitchonthecontrolboardoftheoutdoorunit toON.Thecompressor(outdoorunit)andventilators(indoorandoutdoorunits) startoperatingand refrigerantcollectingoperationbegins.LED1andLED2onthecontrolboardoftheoutdoorunitarelit.* OnlysettheSWPswitch(push-buttontype)toONiftheunitisstopped.How-

ever,evenif theunit isstoppedandtheSWPswitchissettoONlessthanthreeminutesafterthecompressorstops,therefrigerantcollectingoperationcannotbeperformed.Waituntilcompressorhasbeenstoppedforthreemin-utesandthensettheSWPswitchtoONagain.

* SettherefrigerantaddressusingtheDIPswitchoftheoutdoorunit.1 WiringfromtheRemoteControlThiswire isconnectedtoTB5(terminalboardforremotecontroller)oftheindoorunit(non-polar).2 WhenaDifferentRefrigerantSystemGroupingisUsed.Upto16refrigerantsystemscanbecontrolledasonegroupusingtheslimMAre-motecontroller.

Note:Insinglerefrigerantsystem(twin/triple),thereisnoneedofwiring2.

3 Because the unit automatically stops in about two to three minutes after therefrigerant collecting operation (LED1 and LED2are lit), be sure to quicklyclosethegasstopvalve.WhenLED1andLED2arelitandtheoutdoorunitisstopped,open the liquidstopvalvecompletely,and then repeatstep2afterthreeminuteshavepassed.* If the refrigerant collecting operation has been completed normally (LED1

andLED2arelit),theunitwillremainstoppeduntilthepowersupplyisturnedoff.

4 Turnoffthepowersupply(circuitbreaker).* Notethatwhenthelengthoftheextensionpipingislong,itmaynotbepos-

sible toperformapump-downoperation.Whenperforming thepump-downoperation,makesurethatthelowpressureisloweredtonear0MPa(gauge).

9. Systemcontrol(Fig.9-1)

SW1Functiontable

<SW1>

FunctionOperationaccordingtoswitchsetting

ON OFF

SW1functionsettings

1 Compulsorydefrosting Start Normal

2 Error historyclear Clear Normal

3456

Refrigerantsystem ad-dresssetting

Settings for outdoor unit addresses0to15

ONOFF

A OutdoorunitB IndoorunitC MasterremotecontrollerD SubordinateremotecontrollerE Standard1:1(Refrigerantaddress=00)F Simultaneoustwin(Refrigerantaddress=01)G Simultaneoustriple(Refrigerantaddress=02)

E SW1-3~6

F SW1-3~6

G SW1-3~6

Fig.9-1

TB1

A GFAA E

B B B B B B

DC

TB1 TB1

TB4

TB5

TB4

TB5

TB4 TB4

TB5

TB4 TB4

1

1

2

ONOFF

ONOFF

ONOFF

3 4 5 6

3 4 5 6

3 4 5 6

2

8.1. Lownoisemode(on-sitemodification)(Fig.8-1)Byperformingthefollowingmodification,operationnoiseoftheoutdoorunitcanbereducedbyabout3-4dB.Thelownoisemodewillbeactivatedwhenacommerciallyavailabletimerorthecontact inputofanON/OFFswitch isadded to theCNDMconnector (option)onthecontrolboardoftheoutdoorunit.• Theabilityvariesaccordingtotheoutdoortemperatureandconditions,etc.1 Complete the circuit as shown when using the external input adapter

(PAC-SC36NA).(Option)2 SW1ON:Lownoisemode SW1OFF:Normaloperation

A Circuit diagramexample (lownoisemode)

B On-sitearrangement

C Externalinputadapter(PAC-SC36NA)D OutdoorunitcontrolboardE Max.10m

Red

A

SW1CNDM

Fig.8-1Brown

Orange

A Circuitdiagramexample(Demandfunc-tion)

B On-sitearrangement

C Externalinputadapter(PAC-SC36NA)D OutdoorunitcontrolboardE Max.10m

8.2. Demandfunction(on-sitemodification)(Fig.8-2)Byperformingthefollowingmodification,energyconsumptioncanbereducedto0–100%ofthenormalconsumption.Thedemandfunctionwillbeactivatedwhenacommerciallyavailabletimerorthecontact inputofanON/OFFswitch isadded to theCNDMconnector (option)onthecontrolboardoftheoutdoorunit.1 Completethecircuitasshownwhenusingtheexternalinputadapter

(PAC-SC36NA).(Option)2 By settingSW7-1and SW7-2on the control board of the outdoor unit, the

energyconsumption(comparedtothenormalconsumption)canbelimitedasshownbelow.SW7-1 SW7-2 Energyconsumption(SW2ON)OFF OFF 0%(Stop)ON OFF 50%OFF ON 75%

A

SW2CNDM

3

1 Fig.8-2Red

BrownOrange

3

1

BH79D068H02_en.indd 10 8/24/2007 2:25:17 PM

Please be sure to put the contact address/telephone number on this manual before handing it to the customer.

This product is designed and intended for use in the residential, commercial and light-industrial environment.

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN

Printed in JapanBH79D068H02

• Low Voltage Directive 2006/95/ EC• Electromagnetic Compatibility Directive 89/336/

EEC

The product at hand is based on the following EU regulations:

BH79D068H02_cover.indd 2 8/24/2007 2:24:50 PM