Air ConditionersSLZ-KF25, KF35, KF50, KF60VA3
INSTALLATION MANUALFor safe and correct use, please read this manual and the outdoor unit installation manual thoroughly before install-ing the air-conditioner unit.
EnglishFOR INSTALLER
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Contents1. Safety precautions ......................................................................................... 22. Selecting the installation location ................................................................... 23. Installation diagram ........................................................................................ 34. Installing the indoor unit ................................................................................. 35. Refrigerant piping work .................................................................................. 56. Drainage piping work ..................................................................................... 7
7. Electrical work ................................................................................................ 88. Test run ........................................................................................................ 159. System control ............................................................................................. 1710. Installing the grille ........................................................................................ 1711. Easy maintenance function .......................................................................... 20
1. Safety precautions• Besuretoread“Safetyprecautions”beforeinstallingtheairconditioner.• Besuretoobservethecautionsspecifiedhereastheyincludeimportant
itemsrelatedtosafety.• Theindicationsandmeaningsareasfollows.
Warning:Couldleadtodeath,seriousinjury,etc.
Caution:Couldleadtoseriousinjuryinparticularenvironmentswhenoperatedincor-rectly.
• Afterreadingthismanual,besuretokeepittogetherwiththeinstructionmanualinahandyplaceonthecustomer’ssite.
: Indicates a part which must be grounded.
Warning:Carefullyreadthelabelsaffixedtothemainunit.Installtheindoorunitatleast2.5mabovefloororgradelevel.Forappliancesnotaccessibletothegeneralpublic.
Warning:• Donotinstallitbyyourself(customer). Incompleteinstallationcouldcauseinjuryduetofire,electricshock,theunitfallingorleakageofwater.Consultthedealerfromwhomyoupurchasedtheunitorspecialinstaller.
• Installtheunitsecurelyinaplacewhichcanbeartheweightoftheunit. When installed inan insufficient strongplace, theunit could fall causinginjured.
• Usethespecifiedwirestoconnecttheindoorandoutdoorunitssecurelyandattachthewiresfirmlytotheterminalboardconnectingsectionssothestressofthewiresisnotappliedtothesections.
Incompleteconnectingandfixingcouldcausefire.• DonotuseintermediateconnectionofthepowercordortheextensioncordanddonotconnectmanydevicestooneACoutlet.
Itcouldcauseafireoranelectricshockduetodefectivecontact,defectiveinsulation,exceedingthepermissiblecurrent,etc.
• Checkthattherefrigerantgasdoesnotleakafterinstallationhascompleted.• Performtheinstallationsecurelyreferringtotheinstallationmanual. Incomplete installationcouldcauseapersonal injurydue tofire, electricshock,theunitfallingorleakageofwater.
• Performelectricalworkaccordingtotheinstallationmanualandbesuretouseanexclusivecircuit.
Ifthecapacityofthepowercircuitisinsufficientorthereisincompleteelectri-calwork,itcouldresultinafireoranelectricshock.
• Theusershouldneverattempttorepairtheunitortransferittoanotherloca-tion.
• Theapplianceshallbeinstalledinaccordancewithnationalwiringregula-tions.
• Ifthesupplycordisdamaged,itmustbereplacedbythemanufacturer,itsserviceagentorsimilarlyqualifiedpersonsinordertoavoidahazard.
• Attachtheelectricalpartcovertotheindoorunitandtheservicepaneltotheoutdoorunitsecurely.
Iftheelectricalpartcoverintheindoorunitand/ortheservicepanelintheoutdoorunitarenotattachedsecurely,itcouldresultinafireoranelectricshockduetodust,water,etc.
• Besuretousethepartprovidedorspecifiedpartsfortheinstallationwork. Theuseofdefectivepartscouldcauseaninjuryorleakageofwaterduetoafire,anelectricshock,theunitfalling,etc.
• Ventilatetheroomifrefrigerantleaksduringoperation. If the refrigerant comes in contactwithaflame,poisonousgaseswill bereleased.
•Wheninstallingorrelocating,orservicingtheairconditioner,useonlythespecifiedrefrigerant(R410A)tochargetherefrigerantlines.Donotmixitwithanyotherrefrigerantanddonotallowairtoremaininthelines.
Ifairismixedwiththerefrigerant,thenitcanbethecauseofabnormalhighpressure in the refrigerant line,andmay result inanexplosionandotherhazards.
Theuseofanyrefrigerantotherthanthatspecifiedforthesystemwillcausemechanical failureorsystemmalfunctionorunitbreakdown. In theworstcase,thiscouldleadtoaseriousimpedimenttosecuringproductsafety.
Caution:• Performgrounding. Donotconnectthegroundwiretoagaspipe,waterpipearresterortelephonegroundwire.Defectivegroundingcouldcauseanelectricshock.
• Donotinstalltheunitinaplacewhereaninflammablegasleaks. Ifgasleaksandaccumulatesintheareasurroundingtheunit,itcouldcauseanexplosion.
• Installagroundleakagebreakerdependingontheinstallationplace(whereitishumid).
If a ground leakage breaker is not installed, it could cause an electricshock.
• Perform the drainage/pipingwork securely according to the installationmanual.
Ifthereisadefectinthedrainage/pipingwork,watercoulddropfromtheunitandhouseholdgoodscouldbewetanddamaged.
• Fastenaflarenutwithatorquewrenchasspecifiedinthismanual. Whenfastenedtootight,aflarenutmaybrokenafteralongperiodandcausealeakageofrefrigerant.
• Iftheunitisrunforlonghourswhentheairabovetheceilingisathightem-perature/highhumidity(dewpointabove26ºC),dewcondensationmaybeproducedintheindoorunitortheceilingmaterials.Whenoperatingtheunitsinthiscondition,addinsulationmaterial(10-20mm)totheentiresurfaceoftheunitandceilingmaterialstoavoiddewcondensation.
2. Selectingtheinstallationlocation
2.1. Indoorunit• Whereairflowisnotblocked.• Wherecoolairspreadsovertheentireroom.• Whereitisnotexposedtodirectsunshine.• Atadistance1mormoreawayfromyourTVandradio(topreventpicturefrom
being distorted or noise from being generated).
• Inaplaceasfarawayaspossiblefromfluorescentandincandescentlights(sotheinfrared remote control can operate the air conditioner normally).
• Wheretheairfiltercanberemovedandreplacedeasily.
Warning:Mounttheindoorunitintoaceilingstrongenoughtowithstandtheweightoftheunit.
2.2. Wirelessremotecontrollermounting(ForSLP-2FAL*)• Placeofmounting
•Whereitiseasytooperateandeasilyvisible.•Wherechildrencannottouch.
• Mounting Selectapositionabout1.2mabovethefloor,checkthatsignalsfromtheremotecontrolleraresurelyreceivedbytheindoorunitfromthatposition(‘beep’or‘beep-beep’receivingtonesounds).Afterthat,attachremotecontrollerholdertoapillaror wall and set the wireless remote controller.
In roomswhere inverter typefluorescent lampsareused, thesignal from thewirelessremotecontrollermaynotbereceived.
Note:Thephrase“Wiredremotecontroller”inthisinstallationmanualrefersonlytothePAR-33MAA.Ifyouneedanyinformationfortheotherremotecontroller,pleaserefertoeithertheinstallationmanualorinitialsettingmanualwhichareincludedintheseboxes.
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3
(576) C
(576
) C
J
625 D
408
88 525 B
570 A150
313
576 - 610 C
408
576
- 610
C62
5 D
I
570 A
525 B
481
208
245
127
189
5250
- 92
10
*1
37+5 0
K
F EG
3. Installationdiagram
3.1. Indoorunit(Fig.3-1)A CeilingB GrilleC ObstacleD Min.1000mmE Min.500mm(Entireperiphery) If setting the maintenance space for E,besuretoleaveisaminimumof700mm.
Warning:Mounttheindoorunitonaceilingstrongenoughtowithstandtheweightoftheunit.
3.2.OutdoorunitRefer to the outdoor unit installation manual.
(mm)
Fig.3-1
Fig.4-1
4. Installingtheindoorunit
4.2.Ceilingopeningsandsuspensionboltinstallationlocations(Fig.4-2)
Caution:Installtheindoorunitatleast2.5mabovefloororgradelevel.Forappliancesnotaccessibletothegeneralpublic.
• Usingtheinstallationtemplateandthegauge(suppliedasanaccessorywiththegrille),makeanopeningintheceilingsothatthemainunitcanbeinstalledasshowninthediagram.(Themethodforusingthetemplateandthegaugeareshown.)*Before using, check the dimensionsof template andgauge, because theychangeduetofluctuationsoftemperatureandhumidity.
* The dimensions of ceiling opening can be regulated within the range shown in followingdiagram;socenterthemainunitagainsttheopeningofceiling,en-suringthattherespectiveoppositesidesonallsidesoftheclearancebetweenthem becomes identical.
• UseM10(3/8")suspensionbolts.*Suspensionboltsaretobeprocuredatthefield.
• Installsecurely,ensuringthatthereisnoclearancebetweentheceilingpanel&grille,andbetweenthemainunit&grille.
A Outer side of main unitB Bolt pitchC Ceiling openingD Outer side of GrilleE GrilleF Ceiling
G Min.500mm(Entireperiphery) If setting the maintenance space for G,be
suretoleaveisaminimumof700mm.H MaintenancespaceI Fresh air intakeJ AngleK Electriccomponentbox
* Leavethemaintenancespaceattheelectriccomponentboxend.
*1When installing inanexistingceilingunit locationorapplyingadditionalheat insulation,ensure a minimum space of 25 mm.
Fig.4-2
(mm)
245
10
625 625C
D
E
A
B
1 2
3 4
5 6
4.1.Checktheindoorunitaccessories(Fig.4-1)The indoor unit should be supplied with the following accessories.
Accessoryname Q’ty1 Installation template 1
2Washers(withinsulation)Washers(withoutinsulation)
44
3
Pipecover(forrefrigerantpipingjoint)smalldiameter(liquid)largediameter(gas)
11
4
Band(large)Band(middle)Band(small)
622
5 Drain socket 16 Insulation 1
7.5-24.57.5-24.5
Min.450H
Floor
7.5-24.5
7.5-24.5
Min.5
Min.2500
Min.450H
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J
H I
4. Installingtheindoorunit
4.3. Installationofduct(incaseoffreshairintake) (Fig.4-3)
Caution:Linkageofductfanandairconditionerlncasethataductfanisused,besuretomakeitlinkedwiththeairconditionerwhenoutsideairistaken.Donotruntheductfanonly.Itcancausedewdrop.
Makingaductflange(preparedlocally)• Theshapeofductflangeshownleftisrecommended.Installationofductflange• Cutoutthecutouthole.Donotknockitout.• Installaductflangetothecutoutholeoftheindoorunitwiththree4× 10 tapping
screws which should be prepared locally.Installationofduct(shouldbepreparedlocally)• Prepareaductofwhichinnerdiameterfitsintotheouterdiameteroftheductflange.• Incasethattheenvironmentabovetheceilingishightemperatureandhighhumidity,wraptheductinaheatinsulatetoavoidcausingdewdroponthewall.
Removethedrainpaninsulation.A Ductflangerecommendedshape (Thickness:0.8ormore)B 3-ø5holeC Detail drawing of fresh air intakeD Indoor unitE Ceiling surface
F 3-TappingscrewholeG ø73.4cutoutholeH Ductflange(Preparedlocally)I 4 ×10Tappingscrew(Preparedlocally)J Insulation
4.4. Suspension structure (Give site of suspensionstrongstructure)(Fig.4-4)
• Theceilingworkdiffersaccordingtotheconstructionofthebuilding.Buildingcon-structors and interior decorators should be consulted for details.
(1)Extentofceilingremoval:Theceilingmustbekeptcompletelyhorizontalandtheceilingfoundation(framework:woodenslatsandslatholders)mustbereinforcedinordertoprotecttheceilingfromvibration.
(2)Cutandremovetheceilingfoundation.(3)Reinforcetheendsoftheceilingfoundationwhereithasbeencutandaddceiling
foundation for securing the ends of the ceiling board.(4)Wheninstallingtheunitonaslantingceiling,interlockapillowbetweentheceiling
andthegrilleandsetsothattheunitisinstalledhorizontally.1 Woodenstructures• Usetiebeams(single-storyhouses)orsecondfloorbeams(twostoryhouses)as
reinforcing members.• Woodenbeamsforsuspendingairconditionersmustbesturdyandtheirsidesmust
be at least 6 cm long if the beams are separated by not more than 90 cm and their sides must be at least 9 cm long if the beams are separated by as much as 180 cm.Thesizeofthesuspensionboltsshouldbeø10(3/8").(Theboltsdonotcomewith the unit.)
2 Ferroconcrete structuresSecurethesuspensionboltsusingthemethodshown,orusesteelorwoodenhang-ers,etc.toinstallthesuspensionbolts.
A UnitB GrilleC Pillow
D CeilingE RafterF BeamG Roof beam
H Useinsertsratedat100-150kgeach(procurelocally)
I SuspensionboltsM10(3/8")(procurelocally)
J Steel reinforcing rod
1 2
Fig.4-4
A Suspensionbolt(Procurelocally)B CeilingC Nut(Procurelocally)D Washer(withinsulation)(Accessory)
Fig.4-5
4.5.Unitsuspensionprocedures(Fig.4-5)Suspend the main unit as shown in the diagram.1. Inadvance,setthepartsontothesuspensionboltsintheorderofthewashers
(withinsulation),washers(withoutinsulation)andnuts(double).• Fitthewasherwithcushionsothattheinsulationfacesdownward.• Incaseofusingupperwasherstosuspendthemainunit,thelowerwashers(withinsulation)andnuts(double)aretobesetlater.
2. Lift the unit to the proper height of the suspension bolts to insert the mounting plate between washers and then fasten it securely.
3. Whenthemainunitcannotbealignedagainstthemountingholeontheceiling,itisadjustableowingtoaslotprovidedonthemountingplate.(Fig.4-6)
• MakesurethatstepAisperformedwithin37-42mm.Damagecouldresultbyfailing to adhere to this range.
4.6.Confirmingthepositionofmainunitandtighteningthesuspensionbolts(Fig.4-7)
• Usingthegaugeattachedtothegrille,ensurethatthebottomofthemainunitisproperlyalignedwiththeopeningoftheceiling.Besuretoconfirmthis,otherwisecondensation may form and drip due to air leakage etc.
• Confirmthatthemainunitishorizontallylevelled,usingaleveloravinyltubefilledwith water.
• Aftercheckingthepositionofthemainunit,tightenthenutsofthesuspensionboltssecurely to fasten the main unit.
• Theinstallationtemplatecanbeusedasaprotectivesheettopreventdustfromentering the main unit when the grilles are left unattached for a while or when the ceilingmaterialsaretobelinedafterinstallationoftheunitisfinished.
* Asforthedetailsoffitting,refertotheinstructionsgivenontheInstallationtemplate.A MainunitB CeilingC Installationtemplate(Accessory)
Fig.4-7
Fig.4-3
(mm)
Fig.4-6
*B:Suspensionboltpitch(seeFig.4-2B for details)
E MountingplateF Washer(withoutinsulation)(Accessory)G Check using the Installation gauge
A MainunitB CeilingC Gauge(Grilleaccessory)D Ceiling opening dimensions
D EF G
*B
*B
37
127
+5 0
A
B
A
C
D
E
FC
B
G
CB
A
A
B
C
A C
H
I
B
GF
D
E
J
120°
120°
120°
60°
ø 100
ø 100ø 75
1520
70
140
186
37+5 0
208
576-610D
A=37
+5 0
Min.30
Ductflangeconnection
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A
B
5. Refrigerantpipingwork
A Indoor unitB Outdoor unit
ø6.35
SLZ-KF25,KF35:ø9.52SLZ-KF50:ø12.7SLZ-KF60:ø15.88
Fig.5-1
5.3. Flaringwork• Maincauseofgasleakageisdefectinflaringwork. Carryoutcorrectflaringworkinthefollowingprocedure.
5.3.1. Pipecutting(Fig.5-2)• Usingapipecuttercutthecoppertubecorrectly.
5.3.2. Burrsremoval(Fig.5-3)• Completelyremoveallburrsfromthecutcrosssectionofpipe/tube.• Puttheendofthecoppertube/pipetodownwarddirectionasyouremoveburrsinordertoavoidburrsdropinthetubing.
5.3.3. Puttingnuton(Fig.5-4)• Removeflarenutsattachedtoindoorandoutdoorunit,thenputthemonpipe/tubehavingcompletedburrremoval.
(notpossibletoputthemonafterflaringwork)
5.3.4. Flaringwork(Fig.5-5)• Carryoutflaringworkusingflaringtoolasshownattheright.
Pipediameter(mm)
DimensionA(mm)
B +0-0.4 (mm)WhenthetoolforR410Aisused
Clutch type6.35 0-0.5 9.19.52 0-0.5 13.212.7 0-0.5 16.615.88 0-0.5 19.7
Firmlyholdcoppertubeinadieinthedimensionshowninthetableatabove.
a Copper tubesb Goodc No goodd Tiltede Unevenf Burred
Fig.5-2
Fig.5-3
a Burrb Coppertube/pipec Spare reamerd Pipecutter
Fig.5-4
Fig.5-5
a Flare nutb Copper tube
a Flaring toolb Diec Copper tubed Flare nute Yoke
ad
cb
e f90
d
c
ba
b
a
a
b
e
bc
dc
A
5.2.Refrigerantpipe(Fig.5-1)Pipingpreparation• Refrigerantpipesof3,5,7,10and15mareavailableasoptionalitems.
(1)Tablebelowshowsthespecificationsofpipescommerciallyavailable.
Model PipeOutside diameter Min.wall
thicknessInsulation thickness
Insulation materialmm inch
SLZ-KF25SLZ-KF35
Forliquid 6.35 1/4 0.8 mm 8 mmHeat resist-
ing foam plastic 0.045 specificgravity
For gas 9.52 3/8 0.8 mm 8 mm
SLZ-KF50Forliquid 6.35 1/4 0.8 mm 8 mmFor gas 12.7 1/2 0.8 mm 8 mm
SLZ-KF60Forliquid 6.35 1/4 0.8 mm 8 mmFor gas 15.88 5/8 0.8 mm 8 mm
(2)Ensurethatthe2refrigerantpipesarewellinsulatedtopreventcondensation.(3)Refrigerantpipebendingradiusmustbe100mmormore.
Caution:Usingcarefulinsulationofspecifiedthickness.Excessivethicknesspreventsstoragebehindtheindoorunitandsmallerthicknesscausesdewdrippage.
5.1. PrecautionsFordevicesthatuseR410Arefrigerant• Usealkylbenzeneoil (smallamount)as therefrigerationoilapplied to theflaredsections.
• UseC1220copperphosphorusforcopperandcopperalloyseamlesspipes,toconnecttherefrigerantpipes.Userefrigerantpipeswiththethicknessesspecified in the tablebelow.Makesure the insidesof thepipesarecleananddonotcontainanyharmfulcontaminantssuchassulfuriccompounds,oxidants,debris,ordust.
Warning:When installingor relocating,or servicing theair conditioner,useonly thespecified refrigerantwrittenonoutdoorunit tocharge the refrigerant lines.Donotmixitwithanyotherrefrigerantanddonotallowairtoremaininthelines.Ifairismixedwiththerefrigerant,thenitcanbethecauseofabnormalhighpressureintherefrigerantline,andmayresultinanexplosionandotherhaz-ards.Theuseofanyrefrigerantotherthanthatspecifiedforthesystemwillcausemechanical failureor systemmalfunctionorunitbreakdown. In theworstcase,thiscouldleadtoaseriousimpedimenttosecuringproductsafety.
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5. Refrigerantpipingwork
5.5. Pipeconnection(Fig.5-8)Indoorunit1) Whenusingcommerciallyavailablecopperpipes:• Applythinlayerofrefrigerantoiltopipeandjointseatingsurfacebeforetighteningflarenut.
• Usetwowrenchestotightenpipingconnections.• Air-purgetherefrigerantpipingusingyourownrefrigerantgas(don’tair-purgethe
refrigerant charged in the outdoor unit).• Use leakdetector or soapywater to check for gas leaksafter connectionsare
completed.• Useflarednutinstalledtothisindoorunit.• Incaseofreconnectingtherefrigerantpipesafterdetaching,maketheflaredpartofpipere-fabricated.
• Userefrigerantpipinginsulationprovidedtoinsulateindoorunitconnections.Insulatecarefully following shown below.
2) Heatinsulationforrefrigerantpipes:1 Wraptheenclosedlarge-sizedpipecoveraroundthegaspipe,makingsurethat
theendofthepipecovertouchesthesideoftheunit.2 Wraptheenclosedsmall-sizedpipecoveraroundtheliquidpipe,makingsurethat
theendofthepipecovertouchesthesideoftheunit.3 Securebothendsofeachpipecoverwiththeenclosedbands.(Attachthebands
20mmfromtheendsofthepipecover.)Makesurethattheslitinthepipecoverisfacingupwardwhenitisinstalled.
Seethatstopvalveonoutdoorunitisfullyshut(unitisshippedwithvalveshut).Afterallpipingconnectionsbetweenindoorandoutdoorunithavebeencompleted,vacuum-purgeairfromsystemthroughtheserviceportforthestopvalveontheoutdoorunit.Aftercompletingproceduresabove,openoutdoorunitstopvalvesstemfully.Thiscompletes connection of refrigerant circuit between indoor and outdoor units. Stop valveinstructionsaremarkedonoutdoorunit.
Flarenuttightening• Applyathincoatofrefrigerationoilontheseatsurfaceofpipe.• Forconnectionfirstalignthecenter,thentightenthefirst3to4turnsofflarenut.• Usetightening torquetablebelowasaguideline for indoorunitsideunion jointsection,andtightenusingtwowrenches.Excessivetighteningdamagestheflaresection.
AApplyrefrigeratingmachineoilovertheentireflareseatsurface.BUsecorrectflarenutsmeetingthepipesizeoftheoutdoorunit.CFlarenuttighteningtorque
Copper pipe O.D.(mm)
Flare nut O.D.(mm)
Tighteningtorque(N·m)
ø6.35 17 14-18ø9.52 22 34-42ø12.7 26 49-61ø15.88 29 68-82
Fig.5-8
A Refrigerant pipe and insulating material (Procurelocally)
B Pipecover(large)(Accessory)C Pipecover(small)(Accessory)D Refrigerantpipe(gas)E Refrigerantpipe(liquid)F Band(Accessory)G Cross-sectionalviewofconnectionH Refrigerant pipeI Insulating materialJ Squeeze
Fig.5-9
AF
FB
C DE
J
HI
B,C
FG
A
B
c
ba
d e f g h
i
Fig.5-6
B
Fig.5-7
6 196 196
188
133
6964
A
C
E
F
DB
B(gas)
A(liquid)
5.3.5. Check(Fig.5-6)• Comparetheflaredworkwithafigureinrightsidehand.• Ifflareisnotedtobedefective,cutofftheflaredsectionanddoflaringworkagain.
a Smooth all aroundb Inside is shining without any scratches
f Scratchonflaredplaneg Cracked
c Evenlengthallaroundd Too much
h Uneveni Badexamples
e Tilted
5.4. Refrigerantanddrainagepipinglocations(Fig.5-7)A Drain pipeB CeilingC GrilleD Refrigerantpipe(liquid)E Refrigerantpipe(gas)F Mainunit
ModelDimension
A(liquid) B(gas)SLZ-KF25SLZ-KF35 63 mm 72 mm
SLZ-KF50SLZ-KF60 63 mm 78 mm
C
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6. Drainagepipingwork
1. Connectthedrainsocket(suppliedwiththeunit)tothedrainport.(Fig.6-2) (AffixthetubeusingPVCadhesivethensecureitwithaband.)2. Installalocallypurchaseddrainpipe(PVCpipe,O.D.ø32). (AffixthepipeusingPVCadhesivethensecureitwithaband.)3. Insulatethetubeandpipe.(PVCpipe,O.D.ø32andsocket)4. Checkthatdrainflowssmoothly.5. Insulatethedrainportwith insulatingmaterial, thensecurethematerialwitha
band.(Bothinsulatingmaterialandbandaresuppliedwiththeunit.)A MainunitB Insulating materialC Band(large)D Drainport(transparent)E Insertion marginF Matching
G Drainpipe(O.D.ø32PVCTUBE)H Insulatingmaterial(purchasedlocally)I TransparentPVCpipeJ O.D.ø32PVCTUBE(Slope1/100ormore)K Band(middle)L Drain socket
(mm)
Fig.6-2
Fig.6-1
6.1.Drainagepipingwork(Fig.6-1)• UseVP25 (O.D.ø32PVCTUBE) for drain pipingandprovide1/100ormore
downward slope.• Besuretoconnectthepipingjointsusingapolyvinyltypeadhesive.• Observethefigureforpipingwork.• Usetheincludeddrainhosetochangetheextractiondirection.1 Correct piping2 WrongpipingA Insulation(9mmormore)B Downwardslope(1/100ormore)
C Support metalK AirbleederL RaisedM Odor trap
Grouped pipingD O.D.ø32PVCTUBEE MakeitaslargeaspossibleF Indoor unitG Makethepipingsizelargeforgroupedpiping.H Downwardslope(1/100ormore)I O.D.ø38PVCTUBEforgroupedpiping (9mmormoreinsulation)J Upto850mm
1
2
A B
C
B
M
L
K
D E D
H
I
G
D
FF
F
JF
B
C
F
K
30 30 30D E E
LG
H
I
AA
JC,K
Max.20m
1.5–2 m
Max.150mm
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Indoor unit model SLZ
WiringW
ireNo.
×size(m
m2 ) Indoorunit-Outdoorunit *1 3×1.5(polar)
Indoorunit-Outdoorunitearth *1 1×Min.1.5
Indoor unit earth 1×Min.1.5
Remotecontroller-Indoorunit *2 2×0.3(Non-polar)
Circ
uit r
atin
g Indoorunit(Heater)L-N *3 —
Indoorunit-OutdoorunitS1-S2 *3 230VAC
Indoorunit-OutdoorunitS2-S3 *3 24VDC
Remotecontroller-Indoorunit *3 12VDC
7.1. IndoorunitpowersuppliedfromoutdoorunitThefollowingconnectionpatternsareavailable.Theoutdoorunitpowersupplypatternsvaryonmodels.
S1S2
LN
12
S1S2S3S3
A B C
D
EF
GA OutdoorunitpowersupplyB Earth leakage breakerC WiringcircuitbreakerorisolatingswitchD Outdoor unitE Indoorunit/outdoorunitconnectingcablesF Remote controllerG Indoor unit
*1.<For25-60outdoorunitapplication> Max.45m If 2.5 mm2used,Max.50m If 2.5 mm2usedandS3separated,Max.80m*2.Max.500m (Whenusing2remotecontrollers,themaximumwiringlengthfortheremotecontrollercablesis200m.)*3.ThefiguresareNOTalwaysagainsttheground. S3terminalhas24VDCagainstS2terminal.HoweverbetweenS3andS1,theseterminalsarenotelectricallyinsulatedbythetransformerorotherdevice.
Notes: 1.Wiringsizemustcomplywiththeapplicablelocalandnationalcode. 2. Powersupplycordsandindoorunit/outdoorunitconnectingcordsshallnotbelighterthanpolychloroprenesheathedflexiblecord.(Design60245IEC57) 3. Installanearthlongerthanothercables. 4. Indoorandoutdoorconnectingwireshavepolarities.Makesuretomatchtheterminalnumber(S1,S2,S3)forcorrectwirings. 5.Wiringforremotecontrollercableshallbeapart(5cmormore)frompowersourcewiringsothatitisnotinfluencedbyelectricnoisefrompower
sourcewiring.
1:1 System
Neversplicethepowercableortheindoor-outdoorconnectioncable,otherwiseitmayresultinasmoke,afireorcommunicationfailure.
Warning:
7. Electricalwork
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7. Electricalwork
Caution:• Beforeinstallingthegrille,makesurethatthejunctionwireisconnected.• If thegrillehassignalreceiveror i-Seesensor, thepackofgrille includesjunctionwire.
Signalreceiver: CN90 3Di-Seesensor: CN5Y 3Di-Seesensormotor:CN4Z
CN5Y
CN90 CN4Z
Fig.7-3
15
Be sure to connect the remote controllercable(0.3mm)tothelocations shown in the diagram.
Secure with a band 4(small)atthelocation shown in the diagram
Secure with a band 4(small)at the location shown in the diagram
(Remotecontrollercable retainer)
Cable strap
12S1
S2S3
Fig.7-2
E
B
E
D
C
J
I
G
F
J
7.2. Indoorunit(Fig.7-1)(Fig.7-2)(Fig.7-3)Workprocedure1.Loosenthetwoscrewssecuringtheelectriccomponentcover,andthenslideandremovethecover.
2. Route the wires along the wiring routes and through the wire inlets in the electric componentbox.
(Procurethepowersupplycordandindoor/outdoorunitconnectingcablelocally.)3.Securelyconnectthepowersupplycordandtheindoor/outdoorunitconnecting
cable to the terminal block.4.Securethewireswiththecablestrapsinsidetheelectriccomponentbox. Secure the wires with cable straps as cushioning components so that no stress is
applied to the connecting sections of the terminal block when tension is generated.5.Installtheelectriccomponentcover. Makesurethatthewiresdonotgetpinched.6.Securethewireswiththecablestrapsoutsidetheelectriccomponentbox.
Warning:• Inserthooktheelectriccomponentcoverintothebentsupportontheelectriccomponentboxandattachthecoversecurely.Ifitisattachedincorrectly,itcouldresultinafire,electricshockduetodust,water,etc.
• Usethespecifiedindoor/outdoorunitconnectingcabletoconnecttheindoorandoutdoorunitsandfixthecabletotheterminalblocksecurelysothatnostressisappliedtotheconnectingsectionoftheterminalblock.Incompleteconnectionorfixingofthecablecouldresultinafire.
• Securealloftheindoor/outdoorunitconnectingcableswiththecablestraponthesideoftheelectriccomponentbox.
Fig.7-1
A ElectriccomponentcoverB ElectriccomponentboxC EntryforIndoor-OutdoorconnectingcableD Entry for wired remote controller cableE Cable clamp
DCF
H
G
A
B
F Indoor/OutdoorunitconnectingterminalG WiredremotecontrollerterminalH Indoor controllerI Earth cableJ Cable strap
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7. Electricalwork
Fig.7-7
Fig.7-8
B
1
C
A
2
D
Fig.7-6
Fig.7-5
B
C
D
E
Between ribs7.3.Remotecontroller7.3.1. Wiredremotecontroller
1)InstallingproceduresRefer to the installation manual that comes with each remote controller for details.2)FunctionselectionofremotecontrollerIftworemotecontrollersareconnected,setoneto“Main”andtheotherto“Sub”.Forsettingprocedures, refer to “Functionselectionof remotecontroller” in theoperation manual for the indoor unit.
7.3.2. Forwirelessremotecontroller1)Installationarea• Areainwhichtheremotecontrollerisnotexposedtodirectsunshine.• Areainwhichthereisnonearbyheatingsource.• Areainwhichtheremotecontrollerisnotexposedtocold(orhot)winds.• Areainwhichtheremotecontrollercanbeoperatedeasily.• Areainwhichtheremotecontrollerisbeyondthereachofchildren.2)Installationmethod(Fig.7-7)1Attachtheremotecontrollerholdertothedesiredlocationusing2tappingscrews.2Placethelowerendofthecontrollerintotheholder. A Remote controller BWallC Display panel DReceiver• Thesignalcantraveluptoapproximately7meters(inastraightline)within45degreestobothrightandleftofthecenterlineofthereceiver.
3)Setting(Clocksetting)(Fig.7-8)1 Insert batteries or press the button with something sharp. [CLOCK]Aand[:]B blinks.2Pressthe button with something sharp.
3Pressthe button to set the time. Pressthe button to set the Day.4Pressthe button with something sharp at the end. [CLOCK]and[:]lighted.
7.2.1.Installingthei-SeesensorandsignalreceiverBeforeinstallingthegrille,connectthejunctionwiresincludedwiththegrilleacces-soriesandplacethemintheconnectorbox.1Removethetwoscrewssecuringthewirecoverofthemainunit,andthenopenthecover.
2Routethewiresofthei-Seesensorandsignalreceiverthroughthewireinletsintheelectriccomponentboxasshowninthediagramandaroundthebushingsonthesideofthemainunit.(Fig.7-4)
Whenroutingthewires,opentheclampsecuringthegrillejunctionwire,andthensecurethegrillejunctionwireandthewiresofthei-Seesensorandsignalreceiverwith the clamp.
3Removetheonescrewsecuringtheconnectorboxcover,andthenopenthecover.(Fig.7-5)
4Placethejunctionwireconnectorintheconnectorbox.5Installthewirecoverandconnectorboxcover.
Caution:Wheninstallingthecovers,makesurethatthewiresdonotgetpinched.Fitthebandsecuringthejunctionwiresbetweentheribsontheconnectorboxasshowninthediagram.(Fig.7-6)
A WirecoverB ConnectorboxcoverC ConnectorboxD i-Seesensororsignalreceiverleadwire(Grilleaccessory)E Band
A
Fig.7-4
D
B
A
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7. Electricalwork
4-1.Switchingtotheinitialsettingmode1.Pressthe button 1 to stop the air conditioner.2.Pressthe button 2. The Function setting screen will be displayed and the function No. A will blink.(Fig.7-9)
Pressthe button 4 to change the function No.3.CheckthatfunctionNo.“1”isdisplayed,andthenpressthe button 3. Thedisplaysettingscreenwillbedisplayed.(Fig.7-10)
4-2.ChangingthetemperatureunitAPressthe button 5.Each time the button 5ispressed,thesettingswitchesbetween and .
: The temperature is displayed in degrees Celsius. : The temperature is displayed in degrees Fahrenheit.
4-3.ChangingthetimedisplayBPressthe button 6.
Each time the button 6ispressed,thesettingswitchesbetween and .
:Thetimeisdisplayedinthe12-hourformat. :Thetimeisdisplayedinthe24-hourformat.4-4.ChangingtheAUTOmodeC Pressthe button 7. Each time the button 7ispressed,thesettingswitchesbetween
and . :TheAUTOmodeoperatesastheusualautomaticmode. :TheAUTOmodeoperatesusingdualsetpoints.4-5.ChangingthepairNo.D Pressthe button 4.
Each time the button 4ispressed,thepairNo.0–3changes.PairNo.ofwirelessremotecontroller IndoorPCboard
0 Initial setting1 Cut J412 Cut J423 CutJ41,J42
4-6.ChangingthebacklightsettingE Pressthe button 8. Each time the button 8ispressed,thesettingswitchesbetween and
. : The backlight comes on when a button is pressed. : The backlight does not come on when a button is pressed.
Fig.7-9 Fig.7-10
A
A
D
E
C
B
7
1
4
2
3
65
8
4)InitialsettingThe following settings can be made in the initial setting mode.
Item Setting Fig.7-10Temperature unit ºC/ºF A
Time display 12-hourformat/24-hourformat B
AUTOmode Singlesetpoint/Dualsetpoint C
PairNo. 0–3 D
Backlight On/Off E
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7.4. Functionsettings7.4.1. Bywiredremotecontroller1 (Fig.7-11)
• Select“Service”fromtheMainmenu,andpressthe[SELECT]button.• Select“Functionsetting”withthe[F1]or[F2]button,andpressthe[SELECT]
button.
2 (Fig.7-12)• Set the indoor unit refrigerant addressesandunit numberswith the [F1]
through [F4]buttons,andthenpressthe[SELECT]buttontoconfirmthecur-rent setting.
<CheckingtheIndoorunitNo.>Whenthe [SELECT]buttonispressed,thetargetindoorunitwillstartfanopera-tion. If theunit iscommonorwhenrunningallunits,all indoorunitsfor these-lected refrigerant address will start fan operation.
3 (Fig.7-13)• Whendatacollectionfromthe indoorunits iscompleted, thecurrentsettingsappearshighlighted.Non-highlighted items indicate that no function settingsaremade.Screenappearancevariesdependingonthe“UnitNo.”setting.
4 (Fig.7-14)• Usethe[F1] or [F2]buttontomovethecursortoselectthemodenumber,and
change the setting number with the [F3] or [F4] button.
5 (Fig.7-15)• Whenthesettingsarecompleted,pressthe[SELECT]buttontosendtheset-
ting data from the remote controller to the indoor units.• Whenthetransmissionissuccessfullycompleted,thescreenwillreturntothe
Function setting screen.
F1 F2 F3 F4
Service menu
CursorMain menu:
Test runInput maintenance info.Function settingCheckSelf check
F1 F2 F3 F4
Function setting
Cursor AddressMonitor:
Ref. addressUnit No. Grp./1/2/3/4/All
Fig.7-11
Fig.7-13
Fig.7-12
Fig.7-14
F1 F2 F3 F4
Function setting
Cursor CursorRequest:
Ref. addressMode 1Mode 2Mode 3Mode 4
Grp.
F1 F2 F3 F4
Function setting
Cursor CursorRequest:
Ref. addressMode 7Mode 8Mode 9Mode 10
Unit # 1
Fig.7-16
Fig.7-18
Fig.7-17
Fig.7-19
F1 F2 F3 F4
Function settingRef. address
Sending data
Fig.7-15
7.4.2. Bywirelessremotecontroller(Fig.7-16,Fig.7-17,Fig.7-18,Fig.7-19)
1 Going to the function select mode Pressthe button between of 5 seconds. (Start this operation from the status of remote controller display turned off.)
[CHECK]islightedand"00"blinks.(Fig.7-16) Pressthe buttontosetthe"50". Direct thewirelessremotecontroller towardthereceiverof the indoorunitand
press the button.2 Setting the unit number Pressthe button to set unit number A.(Fig.7-17) Direct thewirelessremotecontroller towardthereceiverof the indoorunitand
press the button.3 Select a mode Pressthe buttontosetModenumberB.(Fig.7-18) Direct thewirelessremotecontroller towardthereceiverof the indoorunitand
press the button. Currentsettingnumber: 1=1beep(1second) 2=2beep(1secondeach) 3=3beep(1secondeach)4 Selecting the setting number Usethe button to change the Setting number C.(Fig.7-19) Direct thewirelessremotecontroller towardthereceiverof the indoorunitand
press the button.5 To select multiple functions continuously Repeat select 3 and 4 to change multiple function settings continuously.6 Complete function selection Direct the wireless remote controller toward the sensor of the indoor unit and press
the button.
Note:MaketheabovesettingsonMr.Slimunitsasnecessary.• Table1summarizesthesettingoptionsforeachmodenumber.• Besuretowritedownthesettingsforallfunctionsifanyoftheinitialsettingshasbeenchangedafterthecompletionofinstallationwork.
A
B
C
7. Electricalwork
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7. Electricalwork
7.4.3.Howtosetthefixedup/downairdirection
•Onlytheparticularoutletcanbefixedtocertaindirectionwiththepro-ceduresbelow.Once fixed, only the set outlet is fixedevery timeairconditioner is turnedon. (Otheroutlets followUP/DOWNairdirectionsetting of the remote controller.)
■ Explanationofword• "RefrigerantaddressNo."and"UnitNo."arethenumbersgiventoeach
air conditioner.• "OutletNo."isthenumbergiventoeachoutletofairconditioner. (Refertotheright.)• "Up/Downairdirection"isthedirection(angle)tofix.
Reset 1horizontal
2 3 4 5
Electriccomponentbox
Outlet No. 1
Outlet No. 3 Outlet No. 2
Outlet No. 4
Horizontalairflow
Remote controller settingTheairflowdirectionofthisoutletiscontrolledbytheairflowdirec-tion setting of remote controller.
FixedsettingTheairflowdirectionofthisoutletisfixedin particular direction.* Whenitiscoldbecauseofdirectairflow,theairflowdirectioncanbefixedhorizontallytoavoiddirectairflow.
Downward
Note:TheoutletNo. is indicatedbythenumberofgroovesonbothendsofeachairoutlet.Settheairdirectionwhilecheckingtheinformationshownontheremotecontrollerdisplay.
Airoutletidentificationmarks
FunctiontableSelectunitnumber00[table1]
Mode Settings Modeno. Setting no. Initial set-ting setting
Powerfailureautomaticrecovery Notavailable01
1Available *1 2 Ο*2
Indoor temperature detecting Indoorunitoperatingaverage02
1 ΟSetbyindoorunit’sremotecontroller 2Remotecontroller’sinternalsensor 3
Selectunitnumbers01to03orallunits(AL[wiredremotecontroller]/07[wirelessremotecontroller])
Mode Settings Modeno. Setting no. Initial set-ting setting
Filter sign 100Hr07
12500Hr 2 ΟNofiltersignindicator 3
Fan speed Silent08
1Standard 2 ΟHigh ceiling 3
Up/downvanesetting Not setting11
1Draft-lesssetting(vanesanglesetup1) 2 ΟDownwardsetting(vanesanglesetup2) 3
3Di-Seesensorpositioning*3 Position1 ("□"stampposition,page19)12
1(Position1) 2Position3 ("○"stampposition,page19) 3 Ο
Fan speed during the cooling thermostat is OFF Setting fan speed27
1Stop 2Extralow 3 Ο
*1Whenthepowersupplyreturns,theairconditionerwillstart3minuteslater.*2Powerfailureautomaticrecoveryinitialsettingdependsontheconnectingoutdoorunit.*3Whenthe3Di-Seesensorcornerpanelpositionchanged,changethismode.Refertopage19.
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F1 F2 F3 F4
Manual vane angle
Manual vane angle
Select:
Setting
Outlet Angle
Ifalloutletsareselected, willbedisplayedthenexttimetheunitgoesintooperation.
Navigatingthroughthescreens• TogobacktotheMainmenu ..........[MENU]button• Toreturntothepreviousscreen .....[RETURN]button
Thecurrentvanesettingwillappear.
Selectthedesiredoutletsfrom1through4withthe[F1]or[F2]button.• Outlet:"1","2","3","4",and"1,2,3,4,(alloutlets)"
Pressthe[F3]or[F4]buttontogothroughtheoptionintheorderof"Nosetting(re-set)","Step1","Step2","Step3","Step4","Step5",and"Draftreduction*".Select the desired setting.■Vanesetting
* Draft reductionTheairflowdirectionforthissettingismorehorizontalthantheairflowdirectionforthe“Step1”settinginordertoreduceadraftyfeeling.Thedraftreductioncanbesetforonly1vane.
Pressthe[SELECT]buttontosavethesettings.Ascreenwillappearthatindicatesthesettinginformationisbeingtransmitted.The setting changes will be made to the selected outlet.The screenwill automatically return to theone shownabove (step4)when thetransmission is completed. Makethesettingsforotheroutlets,followingthesameprocedures.
No setting
Step 3
Draft reduction*
Step 1
Step 4
Alloutlets
Step 2
Step 5
F1 F2 F3 F4
Manual vane angle
Input display:Cur. Address Check
Ref. addressUnit No.
Identify unit Check button
Confirmationprocedure1First,confirmbysetting“Ref.address”to0and“UnitNo.”to1.
• Movethecursorto"Ref.address"or"UnitNo."withthe[F1]buttontoselect.• Selecttherefrigerantaddressandtheunitnumberfortheunitstowhosevanesaretobefixed,withthe[F2]or[F3]button,andpressthe[SELECT]button.
• Ref.address:Refrigerantaddress• UnitNo.:1,2,3,4
Pressthe[F4]buttontoconfirmtheunit.
2Changethe“UnitNo.”inorderandcheckeachunit.• Pressthe[F1]buttontoselect“UnitNo.”. Pressthe[F2]or[F3]buttontochangethe“UnitNo.”totheunitthatyouwanttocheck,andthenpressthe[F4]button.
• Afterpressingthe[F4]button,waitapproximately15seconds,andthencheckthe current state of the air conditioner.
→Thevaneispointingdownward.→Thisairconditionerisdisplayedontheremote controller.
→Alloutletsareclosed.→Pressthe[RETURN]buttonandcontinuetheopera-tion from the beginning.
→Themessagesshowntotheleftaredisplayed.→Thetargetdevicedoesnotexistatthisrefrigerantaddress.
• Pressthe[RETURN]buttontoreturntotheinitialscreen.
3Changethe“Ref.address”tothenextnumber.• Refertostep1tochangethe“Ref.address”andcontinuewiththeconfirmation.
F1 F2 F3 F4
Manual vane angle
Return:
No communicationCheck Unit state.
F1 F2 F3 F4
Manual vane angle
Return:
Ref. addressUnit No.
Function setting for unitwith vane fully open.
7. Electricalwork
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8. Testrun
8.1.Beforetestrun►Aftercompletinginstallationandthewiringandpipingoftheindoorand
outdoorunits,checkforrefrigerantleakage,loosenessinthepowersup-plyorcontrolwiring,wrongpolarity,andnodisconnectionofonephaseinthesupply.
►Usea500-voltmegohmmeter tocheck that the resistancebetween thepowersupplyterminalsandgroundisatleast1.0MΩ.
►Donotcarryoutthistestonthecontrolwiring(lowvoltagecircuit)termi-nals.Warning:
Donotusetheairconditioneriftheinsulationresistanceislessthan1.0MΩ.
8.2. Testrun8.2.1. Usingwiredremotecontroller■ Makesuretoreadoperationmanualbeforetestrun.(Especiallyitemstosecuresafety)
Step 1 Turnonthepower.
● Remotecontroller:Thesystemwillgointostartupmode,andtheremotecontrollerpowerlamp(green)and“PLEASEWAIT”willblink.Whilethelampandmessageareblinking,theremotecontrollercannotbeoperated.Waituntil“PLEASEWAIT”isnotdisplayedbeforeoperatingtheremotecontroller.Afterthepoweristurnedon,“PLEASEWAIT”willbedisplayedforapproximately2minutes.
● Indoorcontrollerboard:LED1willbelitup,LED2willbelitup(iftheaddressis0)oroff(iftheaddressisnot0),andLED3willblink.● Outdoorcontrollerboard:LED1(green)andLED2(red)willbelitup.(Afterthestartupmodeofthesystemfinishes,LED2willbeturnedoff.)Iftheoutdoorcontroller
boardusesadigitaldisplay,[-]and[-]willbedisplayedalternatelyeverysecond. Iftheoperationsdonotfunctioncorrectlyaftertheproceduresinstep2andthereafterareperformed,thefollowingcausesshouldbeconsideredandeliminatedifthey
are found. (Thesymptomsbelowoccurduringthetestrunmode.“Startup”inthetablemeanstheLEDdisplaywrittenabove.)
SymptomsintestrunmodeCause
RemoteControllerDisplay OUTDOORBOARDLEDDisplay<>indicatesdigitaldisplay.
Remotecontrollerdisplays“PLEASEWAIT”,andcannot be operated.
After “startup” is displayed, only green lightsup.<00>
• After power is turnedon, “PLEASEWAIT” is displayed for 2minutesduringsystemstartup.(Normal)
Afterpoweristurnedon,“PLEASEWAIT”isdis-playedfor3minutes,thenerrorcodeisdisplayed.
After “startup” is displayed, green(once) andred(once)blinkalternately.<F1>
• Incorrectconnectionofoutdoorterminalblock(R,S,TandS1,S2,S3.)
After “startup” is displayed, green(once) andred(twice)blinkalternately.<F3,F5,F9> • Outdoorunit’sprotectiondeviseconnectorisopen.
Nodisplayappearsevenwhenremotecontrolleroperation switch is turnedon. (Operation lampdoes not light up.)
After “startup” is displayed, green(twice) andred(once)blinkalternately.<EA.Eb>
• Incorrectwiringbetweentheindoorandoutdoorunit(Polarityiswrong for S1,S2,S3.)
• Remotecontrollertransmissionwireshort.After “startup” is displayed, only green lightsup.<00>
• Thereisnooutdoorunitofaddress0.(Addressisotherthan0.)• Remotecontrollertransmissionwireopen.
Displayappearsbutsoondisappearsevenwhenremote controller is operated.
After “startup” is displayed, only green lightsup.<00>
• Aftercancelingfunctionselection,operationisnotpossibleforabout30seconds.(Normal)
Step2 Switchtheremotecontrollerto“Testrun”.
1 Select“Testrun”fromtheServicemenu,andpressthe[SELECT]button.(Fig.8-1)2 Select“Testrun”fromtheTestrunmenu,andpressthe[SELECT]button.(Fig.8-2)3 Thetestrunoperationstarts,andtheTestrunoperationscreenisdisplayed.
F1 F2 F3 F4
CoolPipe
AutoSwitch disp.
Mode Fan
RemainTest run
Fig.8-3
F1 F2 F3 F4
unem ecivreS
rosruC:unem niaM
Test runInput maintenance info.Function settingCheckSelf check
Fig.8-1
F1 F2 F3 F4
Test run menu
CursorService menu:
Test runDrain pump test run
Fig.8-2
F1 F2 F3 F4
Remain
Vane
Fig.8-4
Step3 Performthetestrunandchecktheairflowtemperatureandautovane.
1 Pressthe[F1]buttontochangetheoperationmode.(Fig.8-3) Cooling mode: Check that cool air blows from the unit. Heating mode: Check that warm air blows from the unit.
2 Pressthe[SELECT]buttontodisplaytheVaneoperationscreen,andthenpressthe[F1]and[F2]buttonstochecktheautovane.(Fig.8-4)
Pressthe[RETURN]buttontoreturntotheTestrunoperationscreen. Ifthevanesdonotmove,checkthatthejunctionwireconnectorsareconnected
securely and the connector colors match.
Step4 Confirmtheoperationoftheoutdoorunitfan.
Thespeedoftheoutdoorunitfaniscontrolledinordertocontroltheperformanceoftheunit.Dependingontheambientair,thefanwillrotateataslowspeedandwillkeeprotatingatthatspeedunlesstheperformanceisinsufficient.Therefore,theoutdoorwindmaycausethefantostoprotatingortorotateintheoppositedirection,butthisisnot a problem.
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8. Testrun
Step5 Stopthetestrun.
1Pressthe[ON/OFF]buttontostopthetestrun.(TheTestrunmenuwillappear.)Note: Ifanerrorisdisplayedontheremotecontroller,seethetablebelow. Iftheunitisoperatedcontinuouslyduringatestrun,theunitstopsafter2hours.
[OutputpatternA] Errorsdetectedbyindoorunit
Wirelessremotecontroller Wiredremotecontroller
Symptom Remark Beepersounds/OPERATIONINDICATORlampblinks(Num-
ber of times)Check code
1 P1 Intake sensor error
2P2 Pipe(TH2)sensorerrorP9 Pipe(TH5)sensorerror
3 E6,E7 Indoor/outdoorunitcommunicationerror4 P4 Drainsensorerror/Floatswitchconnectoropen
5P5 Drain pump errorPA Forced compressor error
6 P6 Freezing/Overheatingprotectionoperation7 EE Communication error between indoor and outdoor units8 P8 Pipetemperatureerror9 E4 Remotecontrollersignalreceivingerror10 — —11 PB(Pb) Indoor unit fan motor error12 FB(Fb) Indoorunitcontrolsystemerror(memoryerror,etc.)14 PL Refrigerant circuit abnormal
No sound E0,E3 Remote controller transmission errorNo sound E1,E2 Remote controller control board errorNo sound – – – – No corresponding
[OutputpatternB] Errorsdetectedbyunitotherthanindoorunit(outdoorunit,etc.)
Wirelessremotecontroller Wiredremotecontroller
Symptom RemarkBeepersounds/OPERATIONINDICATORlampblinks(Num-
ber of times)Check code
1 E9 Indoor/outdoorunitcommunicationerror(Transmittingerror)(Outdoorunit)Fordetails,checktheLEDdisplay of the outdoor controller board.
2 UP Compressorovercurrentinterruption3 U3,U4 Open/shortofoutdoorunitthermistors14 PLorOthers Abnormalityofrefrigerantcircuitorothererrors
*1Ifthebeeperdoesnotsoundagainaftertheinitial2beepstoconfirmtheself-checkstartsignalwasreceivedandtheOPERATIONINDICATORlampdoesnotcomeon,there are no error records.
*2Ifthebeepersounds3timescontinuously“beep,beep,beep(0.4+0.4+0.4sec.)”aftertheinitial2beepstoconfirmtheself-checkstartsignalwasreceived,thespeci-fiedrefrigerantaddressisincorrect.
• Onwirelessremotecontroller Thecontinuousbuzzersoundsfromreceivingsectionofindoorunit. Blink of operation lamp• Onwiredremotecontroller Check code displayed in the LCD.
• Refertothefollowingtablesfordetailsonthecheckcodes.(Wirelessremotecontroller)
OPERATIONIN-DICATOR lampblinking pattern
Beep Beep Beep Beep Beep Beep Beep
OffApprox.2.5sec.
OnApprox.3sec.
On0.5 sec.
On0.5 sec.
On0.5 sec.
On0.5 sec.
OffApprox.2.5sec.
OnApprox.3sec.
On0.5 sec.
On0.5 sec.
···Repeated
Number of blinks/beeps in pattern indicates the checkcodeinthefollowingtable(i.e.,n=5for“U2”)
Numberofblinks/beepsinpatternindicatesthecheck code in the following table
nth1st 2nd 3rd 1st 2nd
Self-checkstarts(Startsignalreceived)
Beeper sounds
[OutputpatternB]
OPERATIONIN-DICATOR lampblinking pattern
Beep Beep Beep Beep Beep Beep Beep
OffApprox.2.5sec.
On0.5 sec.
On0.5 sec.
On0.5 sec.
On0.5 sec.
OffApprox.2.5sec.
On0.5 sec.
On0.5 sec.
···Repeated
Number of blinks/beeps in pattern indicates the checkcodeinthefollowingtable(i.e.,n=5for“P5”)
Numberofblinks/beepsinpatternindicatesthecheck code in the following table
nth1st 2nd 3rd 1st 2nd
Self-checkstarts(Startsignalreceived)
Beeper sounds
[OutputpatternA]
SeethetablebelowforthedetailsoftheLEDdisplay(LED1,2,and3)ontheindoorcontrollerboard.LED1(microcomputerpowersupply) Indicateswhethercontrolpowerissupplied.MakesurethatthisLEDisalwayslit.
LED2(remotecontrollerpowersupply) Indicates whether power is supplied to the wired remote controller. The LED is lit only for the indoor unit that is connected to the outdoor unit that has an address of 0.
LED3(indoor/outdoorunitcommunication) Indicateswhethertheindoorandoutdoorunitsarecommunicating.MakesurethatthisLEDisalwaysblinking.
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8. Testrun
B
C
D
A8.4.Checkofdrainage(Fig.8-6)• Ensurethatthewaterisbeingproperlydrainedoutandthatnowaterisleakingfromjoints.
Whenelectricworkiscompleted.• Pourwaterduringcoolingoperationandcheck.Whenelectricworkisnotcompleted.• Pourwaterduringemergencyoperationandcheck.* Drain pump and fan are activated simultaneouslywhen single phase 230V isturnedontoS1andS2onterminalblockaftertheconnector(SWE)oncontrollerboardintheelectricalcomponentboxissettoON.
Be sure to turn it back to the former state after work.
Fig.8-6
9. SystemcontrolRefer to the outdoor unit installation manual.
AWatersupplypumpBWater(about1000cc)C Drain plugDPourwaterthroughoutlet• Be careful not to spray water into
the drain pump mechanism.
8.3. Self-check■ Refertotheinstallationmanualthatcomeswitheachremotecontrollerfordetails.
1
2 3
Whenequippedwiththesignalreceiver Whenequippedwiththei-Seesensor
4 6 5 7
Whenequippedwiththewirelessremotecontroller
8 9 0 1
10. Installingthegrille
Fig.10-1
10.1. Checkthegrilleaccessories(Fig.10-1)• Thegrilleshouldbesuppliedwiththefollowingaccessories.
Accessoryname Q’ty Remark1 Grille 1 625×625(mm)2 Screw with washer 4 M5×0.8×25(mm)3 Gauge 1
4Junction wire for signal re-ceiver 1 Includedwhen equippedwith the
signalreceiver.
5 Junctionwirefori-Seesensor 1 Includedwhen equippedwith thei-Seesensor.
6 Fastener 2 Includedwhen equippedwith thesignalreceiver.
7 Fastener 2 Includedwhen equippedwith thei-Seesensor.
8 Wirelessremotecontroller 1 Includedwhen equippedwith thewireless remote controller.
9 Remote controller holder 1 Includedwhen equippedwith thewireless remote controller.
0 LR6AAbatteries 2 Includedwhen equippedwith thewireless remote controller.
1 3.5 × 16 tapping screws 2 Includedwhen equippedwith thewireless remote controller.
45
8
6
23
7
8.2.2. Usingthewirelessremotecontroller1 Turn on the power to the unit at least 12 hours before the test run.2 Pressthe buttonfor5seconds.(Fig.8-5) (Performthisoperationwhentheremotecontrollerdisplayisturnedoff.)3 Pressthe button. A[TEST]andthecurrentoperationmodearedisplayed.(Fig.8-5)4 Press the button toactivatecoolmode, thencheckwhethercoolair is
blown out from the unit.5 Pressthe buttontoactivateheatmode,thencheckwhetherwarmairis
blown out from the unit.6 Pressthe button and check whether the fan speed changes.7 Pressthe buttonandcheckwhethertheautovaneoperatesproperly.8 Pressthe button to stop the test run. (Aftertwohours,asignalwillbesenttostopthetestrun.)
Note:• Pointtheremotecontrollertowardstheindoorunitreceiverwhilefollowing
steps 3 to 8. • ItisnotpossibletoperformthetestruninFAN,DRY,orAUTOmode.
Fig.8-5
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Fig.10-4
10.2.2.Removingthecornerpanel(Fig.10-4)• Loosenthescrewfromthecornerofthecornerpanel.Slidethecornerpanelas
indicated by the arrow 1toremovethecornerpanel.A GrilleB Corner panelC Screw
A
B
1C
10. Installingthegrille
Fig.10-5
<Hookisintheraisedposition>
Mainunithook
<Grillehook> 10.3. Installingthegrille• Pleasepayattentionbecausethereisarestrictionintheattachmentpositionofthe
grille.10.3.1.Temporarilyinstallingthegrille• Alignthescrewholesinthecornersofthegrillewiththescrewmountingholesinthecornersofthemainunit,latchthetwohooksonthegrilleontothedrainpanprojectionsonthemainunit,andtemporarilyhangthegrille.(Fig.10-5)
Caution:Wheninstallingthei-Seesensorandsignalreceiver,placethejunctionwiresintheconnectorboxbeforetemporarilyhangingthegrille.Referto7.2.1.onpage10toroutethejunctionwires.
BA
D
CG
C
Fig.10-7Fig.10-6
10.3.2.Securingthegrille• Securethegrillebytighteningthefourscrews.(Fig.10-6)*Makesurethattherearenogapsbetweenthemainunitandthepanelorthepanelandtheceiling.(Fig.10-7)
A MainunitB ElectriccomponentboxC Screwwithwasher(Accessory)D GrilleE CeilingF Makesurethattherearenogaps.G Temporarily hanging hooks on the panel
Caution:• WhentighteningthescrewwithcaptivewasherC,tightenitatatorqueof4.8N•morless.Neveruseanimpactscrewdriver.
Itmayresultinpartsdamage.• Aftertighteningthescrew,confirmthatthetwogrillehooks(Fig.10-5)arelatchedontothehooksonthemainunit.
E D
FA
10.2. Preparingtoattachthegrille(Fig.10-2)• Withthegaugesuppliedwiththiskit,adjustandcheckthepositioningoftheunitrelativetotheceiling.Iftheunitisnotproperlypositionedintheceiling,theremaybeairleaks,condensationmayform,ortheup/downvanesmaynotoperatecor-rectly.
• Makesurethattheopeningintheceilingiswithinthefollowingtolerances: 576 ×576-610× 610• MakesurethatstepAisperformedwithin37-42mm.Damagecouldresultbyfailing
to adhere to this range.A MainunitB CeilingC Gauge(Accessory)D Ceiling opening dimensions
10.2.1.Removingtheintakegrille(Fig.10-3)• Slidetheleversinthedirectionindicatedbythearrow1 to open the intake grille.• Unlatchthehookthatsecuresthegrille.
* Do not unlatch the hook for the intake grille.• Withtheintakegrilleinthe“open”position,removethehingeoftheintakegrille
from the grille as indicated by the arrow 2.A Intake grilleB GrilleC IntakegrilleleversD Grille hookE Holeforthegrille’shook
Fig.10-2
576-610 D
E
11 2
B
D
A
C
Fig.10-3
A=37
+5 0
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10.3.3.Connectingthewires1Removetheonescrewsecuringtheconnectorboxcover,andthenopenthecover.2Securelyconnectthejunctionwireconnectorofthevanemotorandthepanelvanemotorwireconnectorintheconnectorbox.(Fig.10-8)
Therearetwovanemotorconnectors:oneblueconnectorandoneorangecon-nector.Makesurethattheconnectorcolorsmatchwhenconnectingthem.
3Closetheconnectorboxcover. Whenclosingtheconnectorboxcover,slidethecoverinthedirectionindicatedbythearrowandmakesurethattheprojectionisfirmlyinserted.(Fig.10-9)
A ConnectorboxcoverB ConnectorboxC Securing screwD Junction connectorE WireconnectorforthevanemotorF Band
Caution:• Placethebandsecuringthepanelvanemotorwireintheconnectorboxasshowninthediagram.(Fig.10-10)
• Whenclosingtheconnectorboxcover,makesurethatthewiresdonotgetpinched.
Fig.10-9Fig.10-8
Fig.10-10
A
CD B
E
F
E
E
D
F
E
C
10. Installingthegrille
10.3.4.Wiringthei-Seesensorcornerpanelandsignalreceiver• Installthei-Seesensorandsignalreceiveratthecornersofthepanelattheloca-tionsstampedwith“○”or“□”.(Thepositionsmaybereversed.)
• Routethei-Seesensorandsignalreceiverwiresthroughthesquareholesatthecorners of the panel and install them.
• Connectthejunctionwireconnectorandthewireconnectorsofthei-Seesensorandsignalreceiverintheconnectorbox.
• Closetheconnectorboxcover.• Securethei-Seesensorandsignalreceiverwirestothepanelwiththefastenerasshowninthediagramsothatthereisnoslackinthewires,andthencutofftheexcessendofthefastener.(Fig.10-12)
• Placethei-Seesensorandsignalreceiverwirestotheinsideoftheflangeonthepanel.
• Ifthepositionofthei-Seesensorwaschangedfromthe“○”position(E)tothe“□”position(F),changethefunctionsettings.(Refertopage13.)
Caution:• Routethei-SeesensorandsignalreceiverwiresasshowninFig.10-13.• Placetheexcessportionsofthei-Seesensorandsignalreceiverjunctionwiresintheelectriccomponentboxinthewireclipasshowninthediagram,andsecurethewirestogetherwiththefastener.(Fig.10-14)
Makesurethatthebandsecuringthei-Seesensorandsignalreceiverjunctionwiresispositionedinsidetheconnectorbox.(Fig.10-15)
• Ifthevanemotorconnectorsandsignalreceiverconnectorareconnectedincorrectly,thevaneswillnotmoveorcommunicationwiththeremotecon-trollerwillnotbepossible.
A i-SeesensorB SignalreceiverC FastenerD WireclipE “○”stamp:defaulti-SeesensorpositionF “□”stamp:defaultsignalreceiverposition
B
A
i-Seesensoror signal receiverVane
Fig.10-13
Fig.10-11
Fig.10-12
Fig.10-14 Fig.10-15
C
D
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10.5. Installingtheintakegrille(Fig.10-17)• Performtheprocedurethatisdescribedin“10.2.Preparingtoattachthegrille”inreverseordertoinstalltheintakegrilleandthecornerpanel.A Refrigerant piping of the main unitB Drain piping of the main unitC Corner panelD Positionoftheleversontheintakegrillewhensentfromthefactory.
*Althoughtheclipscanbeinstalledinanyoffourpositions.E Receiver
10.6. Check• Makesurethatthereisnogapbetweentheunitandthegrille,orbetweenthegrilleandthesurfaceoftheceiling.Ifthereisanygapbetweentheunitandthegrille,orbetweenthegrilleandthesurfaceoftheceiling,itmaycausedewtocollect.
• Makesurethatthewireshavebeensecurelyconnected.• Checkthatallfourvanesmove.Iftwoorfourvanesdonotmove,referto10.3and
check the connections.• For3Di-Seesensorcornerpanel,checktherotatingmovement.Ifthe3Di-Seesensordoesnotrotate,reviewtheprocedurein“10.3.Installingthegrille”.
Fig.10-17
E
AD B
E
C
10. Installingthegrille
11. Easymaintenancefunction
Maintenancedata,suchastheindoor/outdoorunit’sheatexchangertemperatureandcompressoroperationcurrentcanbedisplayedwith“Smoothmaintenance”.* Thiscannotbeexecutedduringtestoperation.* Dependingonthecombinationwiththeoutdoorunit,thismaynotbesupportedbysomemodels.
F1 F2 F3 F4
Check menu
CursorService menu:
Error historyRefrigerant volume checkRefrigerant leak checkSmooth maintenanceRequest code
Smooth maintenance
Begin:
Smooth maintenance
Exit:
Ref.addressStable mode
Cursor
Ref.addressStable mode
Stabilization→CollectingCool / Heat/ Normal
Cool / Heat/ Normal
Address
Smooth maintenance
Return:
Smooth maintenance
Return:
Smooth maintenance
Return:
Page
Page
Page
COMP. currentCOMP. run timeCOMP. On / OffCOMP. frequency
A
Hz
Hrtimes
Hr
Ref. address Cool
Ref.address Cool
Ref.address Cool
Sub coolOU TH4 temp.OU TH6 temp.OU TH7 temp.
IU air temp.IU HEX temp.IU filter time
1
2
3• Select“Service”fromtheMainmenu,andpressthe[SELECT]button.
• Select “Check”with the [F1] or [F2] but-ton,andpressthe[SELECT]button.
• Select“Smoothmaintenance”withthe[F1]or [F2] button, andpress the [SELECT]button.
Select each item.
• Selecttheitemtobechangedwiththe[F1]or[F2]button.
• Selecttherequiredsettingwiththe[F3]or[F4]button.
“Ref.address”setting ............ “0”-“15”“Stablemode”setting ............. “Cool”/“Heat”/
“Normal”
• Pressthe[SELECT]button,fixedoperationwillstart.
* “Stablemode”willtakeapprox.20minutes.
The operation data will appear.
TheCompressor-Accumulatedoperat-ing (COMP. run) time is 10-hour unit,andtheCompressor-Numberofopera-tion times (COMP.On/Off) is a 100-timeunit(fractionsdiscarded)
Navigatingthroughthescreens• TogobacktotheMainmenu ....................[MENU]button• Toreturntothepreviousscreen .......... [RETURN]button
Signalreceiver
Fig.10-16
A ButtonB VanemotorC Up/downvanesD Connector
C
B
A
D
B
AD
10.4. Lockingtheup/downairflowdirection(Fig.10-16)Thevanesoftheunitcanbesetandlockedinonupordownorientationdependingupontheenvironmentofuse.• Setaccordingtothepreferenceofthecustomer. Theoperationof thefixedup/downvanesandallautomaticcontrolscannotbeperformedusingtheremotecontroller.Inaddition,theactualpositionofthevanesmay differ from the position indicated on the remote controller.
1 Turn off the main power switch. Injuriesandoranelectricalshockmayoccurwhilethefanoftheunitisrotating.2 Disconnecttheconnectorforthevanemotoroftheventthatyouwanttolock. (Whilepressingthebutton,removetheconnectorinthedirectionindicatedbythe
arrowasshowninthediagram.)Afterremovingtheconnector,insulateitwithtape.
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A4_white_tombo.indd 1 2016/04/25 10:16:47
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BH79A415H01 Printed in Thailand
HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
This product is designed and intended for use in the residential, commercial and light-industrial environment.
Please be sure to put the contact address/telephone number on this manual before handing it to the customer.
BH79A415H01_cover.indd 2 2017/10/31 14:53:49
