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DAIKIN ROOM AIR CONDITIONER
INSTALLATION MANUALR410A Split Series
Eng
lish
Fran
çais
Esp
añol
MODELS
FTXS15LVJUFTXS18LVJUFTXS24LVJU
00_CV_3P297301-2.indd 1 10/18/2011 10:19:50 AM
Eng
lish
■English 1
Safety Precautions•ReadtheseSafetyPrecautionscarefullytoensurecorrectinstallation.•ThismanualclassifiestheprecautionsintoDANGER,WARNINGandCAUTION.Besuretofollowalltheprecau-tionsbelow:theyareallimportantforensuringsafety.
DANGER ..........Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING ........Failure to follow any of WARNING is likely to result in such grave consequences as death or serious injury.
CAUTION .........Failure to follow any of CAUTION may in some cases result in grave consequences.
•Thefollowingsafetysymbolsareusedthroughoutthismanual:
Besuretoobservethisinstruction. Besuretoestablishagroundconnection. Neverattempt.
•Aftercompletinginstallation,testtheunittocheckforinstallationerrors.Givetheuseradequateinstructionscon-cerningtheuseandcleaningoftheunitaccordingtotheOperationManual.
DANGER•Refrigerantgasisheavierthanairandreplacesoxygen.Amassiveleakcouldleadtooxygendepletion,especiallyinbasements,andanasphyxiationhazardcouldoccurleadingtoseriousinjuryordeath.
•Iftherefrigerantgasleaksduringinstallation,ventilatetheareaimmediately.Refrigerantgasmayproduceatoxicgasifitcomesincontactwithfiresuchasfromafanheater,stoveorcookingdevice.Exposuretothisgascouldcausesevereinjuryordeath.
•Aftercompletingtheinstallationwork,checkthattherefrigerantgasdoesnotleak.Refrigerantgasmayproduceatoxicgasifitcomesincontactwithfiresuchasfromafanheater,stoveorcookingdevice.Exposuretothisgascouldcausesevereinjuryordeath.
•Donotgroundunitstowaterpipes,telephonewiresorlightningrodsbecauseincompletegroundingcouldcauseasevereshockhazardresultinginsevereinjuryordeath,andtogaspipesbecauseagasleakcouldresultinanexplosionwhichcouldleadtosevereinjuryordeath.
•Safelydisposeofthepackingmaterials.Packingmaterials,suchasnailsandothermetalorwoodenparts,maycausestabsorotherinjuries.Tearapartandthrowawayplasticpackagingbagssothatchildrenwillnotplaywiththem.Childrenplayingwithplasticbagsfacethedangerofdeathbysuffocation.
•Donotinstallunitinanareawhereflammablematerialsarepresentduetoriskofexplosionresultinginseriousinjuryordeath.•Donotgroundunitstotelephonewiresorlightningrodsbecauselightningstrikescouldcauseasevereshockhazardresultinginsevereinjuryordeath,andtogaspipesbecauseagasleakcouldresultinanexplosionwhichcouldleadtosevereinjuryordeath.
WARNING•Installationshallbelefttotheauthorizeddealeroranothertrainedprofessional.Improperinstallationmaycausewaterleakage,electricalshock,fire,orequipmentdamage.
•Installtheairconditioneraccordingtotheinstructionsgiveninthismanual.Incompleteinstallationmaycausewaterleakage,electricalshock,fireorequipmentdamage.
•Besuretousethesuppliedorexactspecifiedinstallationparts.Useofotherpartsmaycausetheunittocometofall,waterleakage,electricalshock,fireorequipmentdamage.
•Installtheairconditioneronasolidbasethatislevelandcansupporttheweightoftheunit.Aninadequatebaseorincompleteinstallationmaycauseinjuryorequipmentdamageintheeventtheunitfallsoffthebaseorcomesloose.
•Electricalworkshallbecarriedoutinaccordancewiththeinstallationmanualandthenational,stateandlocalelectricalwiringcodes.Insufficientcapacityorincompleteelectricalworkmaycauseelectricalshock,fireorequipmentdamage.
•Besuretouseadedicatedpowercircuit.Neveruseapowersupplysharedbyanotherappliance.Followallappropriateelectricalcodes.
•Forwiring,useawireorcablelongenoughtocovertheentiredistancewithnosplicesifpossible.Donotuseanextensioncord.Donotputotherloadsonthepowersupply.Useanonlyaseparatededicatedpowercircuit.(Failuretodosomaycauseabnormalheat,electricshock,fireorequipmentdamage.)
•Usethespecifiedtypesofwiresforelectricalconnectionsbetweentheindoorandoutdoorunits.Followallstateandlocalelectricalcodes.Firmlyclamptheinter-unitwiresotheirterminalsreceivenoexternalstresses.Incompleteconnectionsorclampingmaycauseterminaloverheating,fireorequipmentdamage.
•Afterconnectingallwiresbesuretoshapethecablessothattheydonotputunduestressontheelectricalcovers,panelsorterminals.Installcoversoverthewires.Incompletecoverinstallationmaycauseterminaloverheating,electricalshock,fireorequipmentdamage.
•Wheninstallingorrelocatingthesystem,besuretokeeptherefrigerantcircuitfreefromallsubstancesotherthanthespecifiedrefrigerant(R410A),suchasair.(Anypresenceofairorotherforeignsubstanceintherefrigerantcircuitcausesanabnormalpressurerisewhichmayresultinrupture,resultingininjury.)
01_EN_3P297301-2.indd 1 10/18/2011 2:00:44 PM
2 ■English
Safety Precautions WARNING
•Duringpump-down,stopthecompressorbeforeremovingtherefrigerantpiping.Ifthecompressorisstillrunningandthestopvalveisopenduringpump-down,airwillbesuckedinwhentherefrigerantpipingisremoved,causingabnormallyhighpressurewhichcouldleadtoequipmentdamageorandpersonalinjury.
•Duringinstallation,attachtherefrigerantpipingsecurelybeforerunningthecompressor.Iftherefrigerantpipesarenotattachedandthestopvalveisopenduringpump-down,airwillbesuckedinwhenthecompressorisrun,causingabnormallyhighpressurewhichcouldleadtoequipmentdamageandpersonalinjury.
•Besuretoinstallagroundfaultcircuitinterrupterbreaker.Failuretoinstallagroundfaultcircuitinterrupterbreakermayresultinelectricallyshocks,orfirepersonalinjury.
CAUTION•Donotinstalltheairconditionerwheregasleakagewouldbeexposedtoopenflames.Ifthegasleaksandbuildsuparoundtheunit,itmaycatchfire.
•Establishdrainpipingaccordingtotheinstructionsofthismanual.Inadequatepipingmaycausewaterdamage.•Tightentheflarenutaccordingtothespecifiedtorque.Atorquewrenchshouldbeused.Iftheflarenutistightenedtoomuch,theflarenutmaycrackovertimeandcauserefrigerantleakage.
•Donottouchtheheatexchangerfins.Improperhandlingmayresultininjury.
•Beverycarefulaboutproducttransportation.SomeproductsusePPbandsforpackaging.DonotuseanyPPbandsforameansoftransportation.Itisdangerous.
•ElectricalworkmustbeperformedinaccordancewiththeNEC/CECbyauthorizedpersonnelonly.
AccessoriesIndoor unit A – M ,
Mountingplate 1 Remotecontrollerholder 1 Tube 1
Mountingplatefixingscrew3/16”×1”(M4×25mm)
9 Fixingscrewforremotecontroller
holder1/8”×13/16”(M3×20mm)2 Operationmanual 1
Titaniumapatitephotocatalyticair-purifyingfilter
2 DrybatteryAAA.LR03
(alkaline)2 Installationmanual 1
Wirelessremotecontroller 1 Indoorunitfixingscrew
3/16”×1/2”(M4×12mm)2 Screwcover 3
Choosing an Installation Site•Beforechoosingtheinstallationsite,obtainuserapproval.
1. Indoor unit•Theindoorunitshouldbesitedinaplacewhere:1)therestrictionsoninstallationspecifiedintheindoorunitinstallationdrawingsaremet,2)bothairinletandairoutlethaveclearpathsmet,3)theunitisnotinthepathofdirectsunlight,4)theunitisawayfromthesourceofheatorsteam,5)thereisnosourceofmachineoilvapour(thismayshortenindoorunitlife),6)cool(warm)airiscirculatedthroughouttheroom,7)theunitisawayfromelectronicignitiontypefluorescentlamps(inverterorrapidstarttype)astheymayshortenthe
remotecontrollerrange,8)theunitisatleast3.5ft(1m)awayfromanytelevisionorradioset(unitmaycauseinterferencewiththepictureorsound),9)installattherecommendedheight6ft(1.8m),10)nolaundryequipmentislocatedinthespace.
2. Wireless remote controller1)Turnonallthefluorescentlampsintheroom,ifany,andfindthesitewhereremotecontrolsignalsareproperly
receivedbytheindoorunit(within23ft/7m).
A E J
B FK
C GL
DH
M
01_EN_3P297301-2.indd 2 10/18/2011 2:00:44 PM
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■English 3
Indoor Unit Installation Drawings
Before screwing the remote controller holder to the wall, make sure that control signals are properly received by indoor unit.
E Remote controller holder
Fixing screw for remote controller holder 1/8” × 13/16” (M3 × 20mm)
F
D Wireless remote controller
Service lidOpening service lidService lid is opening/closing type.Opening method
1) Remove the service lid screw.2) Pull out the service lid diagonally
down in the direction of the arrow.3) Pull down.
INTELLIGENT EYE sensor
1-3/16” (30mm) or more from ceiling
Front panel
1-15/16” (50mm)or more from walls(on both sides)
Titanium apatite photocatalytic air purifying filter (2 pcs)
A Mounting plate
C
Air filters
Mounting plate fixing screw 3/16” × 1” (M4 × 25mm)
B
Titanium apatite photocatalytic air purifying filter
Filter frame
Air filter
Tab
3/16” × 5/8”(M4 × 16mm)
Screw cover (3 pcs)M Wrap the thermal insulation pipe with the finishing tape from bottom to top.
Cut thermal insulation pipe to an appropriate length and wrap it with tape, making sure that no gap is left in the insulation pipe’s cut line.
Caulk pipe hole gap with putty.
The mounting plate should be installed on a wall which can support the weight of the indoor unit.
How to attach the indoor unitHook the claws of the bottom frameto the mounting plate.If the claws are difficult to hook,remove the front grille.
How to remove the indoor unitPush up the marked area (at thelower part of the front grille) torelease the claws. If it is difficult torelease, remove the front grille.
Front grille
A Mountingplate
Clip
Bottom frame
Mark (rear side)
INTELLIGENT EYE sensor
CAUTION•DonothitorforcefullypushtheINTELLIGENTEYEsensor.Thiscanleadtodamageandmalfunction.•Donotplacelargeobjectsnearthesensor.Alsokeepheatingunitsorhumidifiersoutsidethesensor’sdetectionarea.
01_EN_3P297301-2.indd 3 10/18/2011 2:00:45 PM
4 ■English
Preparation before Installation1. Removing and installing front panel
•Removal methodHookfingersonthetabsontheleftandrightofthemainbody,andopenuntilthepanelstops.Slidethefrontpanelsidewaystodisengagetherotatingshaft.Thenpullthefrontpaneltowardyoutoremoveit.
•Installation methodAlignthetabsofthefrontpanelwiththegrooves,andpushallthewayin.Thencloseslowly.Pushthecenterofthelowersurfaceofthepanelfirmlytoengagethetabs.
Push the rotating shaft of the front panel into the groove.
2. Removing and installing front grille•Removal method1)Removefrontpaneltoremovetheairfilter.2)Remove6screwsfromthefrontgrille.3)Infrontofthe markofthefrontgrille,thereare3upperhooks.
Lightlypullthefrontgrilletowardyouwithonehand,andpushdownonthehookswiththefingersofyourotherhand.
mark area (3 locations)
Upper hook
Pushdown.
Upper hook
When there is no work space because the unit is close to ceiling
CAUTION•Besuretowearprotectiongloves.
Placebothhandsunderthecenterofthefrontgrille,andwhilepushingup,pullittowardyou.
•Installation method1)Installthefrontgrilleandfirmlyengagetheupperhooks(3locations).2)Install6screwsofthefrontgrille.3)Installtheairfilterandthenmountthefrontpanel.
2) Pull toward you.
1) Push up.
01_EN_3P297301-2.indd 4 10/18/2011 2:00:45 PM
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■English 5
3. How to set the different addressesWhen2indoorunitsareinstalledinoneroom,the2wirelessremotecontrollerscanbesetfordifferentaddresses.1)Removethemetalplateelectricalwiring
cover.(RefertotheWhen connecting to an HA system.)
2)Cuttheaddressjumper(JA)ontheprintedcircuitboard.
3)Cuttheaddressjumper(JA)intheremotecontroller.
ADDR
ESS
JA
ADDRESSJAEXIST 1CUT 2
Jumper
ADDRESS:JAEXIST 1CUT 2
4. When connecting to an HA system (wired remote controller, central remote controller etc.)1)Removethefrontgrille.(6screws)2)Removetheelectricalwiringbox.(1screw)3)Removethemetalplateelectricalwiringcover.(4tabs)4)AttachtheconnectioncordtotheS21connectorandpulltheharnessoutthroughthenotchedpartinthefigure.5)Replacetheelectricalwiringcoverasitwas,andpulltheharnessaround,asshowninthefigure.
3) Remove the metal plate electrical wiring cover.
4) Attach the connection cord to the S21 connector and pull the harness out through the notched part in the figure.
5) Replace the electrical wiring cover as it was, and pull the harness around, as shown in the figure.
Screw
PullPull
Slide
Tab
Tab
Slide
Metal plate electrical cover
Main body
HA connector(S21)
HA connector(S21)
Lay the HA cord as shown in the figure.
Refrigerant Piping WorkWith a multi indoor unit , install as described in the installation manual supplied with the Multi outdoor unit.
1. Flaring the pipe end 1)Cutthepipeendwithapipecutter.2)Removeburrswiththecutsurfacefacingdownwardso
thatthechipsdonotenterthepipe.3)Puttheflarenutonthepipe.4)Flarethepipe.5)Checkthattheflaringisproperlymade.
Set exactly at the position shown below.
A
Flaring
Die A 0-0.020 inch (0-0.5mm)
Clutch-type
Flare tool for R410A
0.039-0.059 inch (1.0-1.5mm)
Clutch-type (Rigid-type)
0.059-0.079 inch (1.5-2.0mm)
Wing-nut type (Imperial-type)
Conventional flare tool
(Cut exactly at right angles.) Remove burrs.
Check
Flare’s inner surface must be flaw-free.
The pipe end must be evenly flared in a perfect circle.
Make sure that the flare nut is fitted.
WARNING•Donotusemineraloilonflaredpart.•Preventmineraloilfromgettingintothesystemasthiswouldreducethelifetimeoftheunits.•Neverusepipingwhichhasbeenusedforpreviousinstallations.Onlyusepartswhicharedeliveredwiththeunit.•NeverinstalladriertothisR410Aunitinordertoguaranteeitslifetime.•Thedryingmaterialmaydissolveanddamagethesystem.•Incompleteflaringmaycauserefrigerantgasleakage.
01_EN_3P297301-2.indd 5 10/18/2011 2:00:49 PM
6 ■English
Refrigerant Piping Work2. Refrigerant piping
CAUTION•Usetheflarenutfixedtothemainunittopreventitfromcrackinganddeterioratingfromage.•Topreventgasleakage,applyrefrigerationoilonlytotheinnersurfaceoftheflare.(UserefrigerationoilforR410A.)•Usetorquewrencheswhentighteningtheflarenutstopreventdamagetotheflarenutsandgasleakage.
Alignthecentersofbothflaresandtightentheflarenuts3or4turnsbyhand.Thentightenthemfullywiththetorquewrenches.
Do not apply refrigeration
oil to the outer surface.
Flare nut
Apply refrigeration oil to
the inner surface of the
flare.
Do not apply refrigeration oil to
the flare nut to avoid tightening
with excessive torque.
[Apply oil]
Torque wrench
Piping union
Flare nut
Spanner
[Tighten]
Flare nut tightening torqueGas side
Liquid side
1/4 inch (6.4mm)
45.6-55.6ft • lbf(61.8-75.4N • m)
10.4-12.7ft • lbf(14.2-17.2N • m)
5/8 inch (15.9mm)
36.5-44.5ft • lbf(49.5-60.3N • m)
1/2 inch (12.7mm)
15,18 class 24 class
2-1. Caution on piping handling 1)Protecttheopenendofthepipeagainstdustandmoisture.2)Allpipebendsshouldbeasgentleaspossible.Useapipebender
forbending.
Wall
If no flare cap is available, cover the flare mouth with tape to keep dirt or water out.
Be sure to place a cap.
Rain
2-2. Selection of copper and heat insulation materials•Whenusingcommercialcopperpipesandfittings,observethefollowing:1)Insulationmaterial:Polyethylenefoam
Heattransferrate:0.041to0.052W/mK(0.024to0.030Btu/fth°F(0.035to0.045kcal/mh°C))BesuretouseinsulationthatisdesignedforusewithHVACSystems.
Gas pipeLiquid pipe
Gas pipe insulation
Liquid pipe insulation
Finishing tape Drain hose
Inter-unit wire
2)Besuretoinsulateboththegasandliquidpipingandtoprovideinsulationdimensionsasbelow.
GassideLiquidside
Gaspipethermalinsulation Liquidpipethermalinsulation15,18class 24class 15,18class 24class
O.D.1/2inch(12.7mm)
O.D.5/8inch(15.9mm)
O.D.1/4inch(6.4mm)
I.D.9/16-5/8inch(14-16mm)
I.D.5/8-25/32inch(16-20mm)
I.D.5/16-13/32inch(8-10mm)
Minimumbendradius Thickness13/32inch(10mm)Min.
1-9/16inch(40mm)ormore1-3/16inch(30mm)ormore
Thickness0.031inch(0.8mm)(C1220T-O)
3)Useseparatethermalinsulationpipesforgasandliquidrefrigerantpipes.
01_EN_3P297301-2.indd 6 10/18/2011 2:00:50 PM
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■English 7
Indoor Unit Installation1. Installing the mounting plate
•Themountingplateshouldbeinstalledonawallwhichcansupporttheweightoftheindoorunit.1)Temporarilysecurethemountingplatetothewall,makesurethattheplateiscompletelylevel,andmarktheboring
pointsonthewall.2)Securethemountingplatetothewallwithscrews.
Recommended mounting plate retention spots and dimensions
Keep here the piece cut out from the unit for piping
Through-the-wall hole ϕ3-1/8 (ϕ80)
Recommended mounting plate retention spots (9 spots in all)
(Bolt size : 3/8 (M10))
(Bolt size : 3/8 (M10))
Place a leveler on raised tab.
Gas pipe end Liquid pipe end
4-11/16(119)
41-5/16 (1050)
2-9/16(65)
1-3/
4(4
5)
13-3
/8 (
340)
5-7/8(149)
1-3/
4(4
5)
7-3/16 (182.5)3-1/2(89)
2-9/16(65)
15-1/4 (388)
2-1/
16(5
3)7-
1/2
(190
)
* The removed pipe port cover can be kept in the mounting plate pocket.
Removed pipe port cover
A Mounting plate
ϕ3-1/8(ϕ80)
ϕ3-1/8(ϕ80)
Drain hose position
5-1/4 (134)
unit : inch (mm)
Use tape measure as shown.Position the end of tape measure at
∆
2. Boring a wall hole and installing wall embedded pipe•Forwallscontainingmetalframeormetalboard,besuretouseawallembeddedpipeandwallcoverinthefeed-throughholetopreventpossibleheat,electricalshock,orfire.
•Besuretocaulkthegapsaroundthepipeswithcaulkingmaterialtopreventwaterleakage.1)Boreafeed-throughholeof3-1/8inch(80mm)inthewallsoithasa
downslopetowardtheoutside.2)Insertawallpipeintothehole.3)Insertawallcoverintowallpipe.4)Aftercompletingrefrigerantpiping,wiring,anddrainpiping,caulkpipe
holegapwithputty.
Inside Outside
Caulking
Wall embedded pipe (field supply)
Wall hole cover(field supply)
Wall embedded pipe (field supply)
ϕ3-1/8” (ϕ80mm)
01_EN_3P297301-2.indd 7 10/18/2011 2:00:50 PM
8 ■English
Indoor Unit Installation3. Laying piping, hoses, and wiring
3-1. Right-side, right-back, or right-bottom piping 1)Attachthedrainhosetotheundersideoftherefrigerantpipeswith
anadhesivevinyltape.2)Wraptherefrigerantpipesanddrainhosetogetherwithinsulation
tape.
Right-bottom piping
Right-side piping
Right-back piping
Bind refrigerant pipe and drain hose together with insulating tape.
Remove pipe port cover here for right-side piping.
Remove pipe port cover here for right-bottom piping.
3)Passthedrainhoseandrefrigerantpipesthroughthewallhole,thensettheindoorunitonthemountingplatehooksbyusingthe markingsatthetopoftheindoorunitasaguide.
Mounting plateA
3-2. Left-side, left-back, or left-bottom piping1)Replacethedrainpluganddrainhose.2)Attachthedrainhosetotheundersideoftherefrigerantpipes
withadhesivevinyltape.
Remove pipe port cover here for left-bottom piping.
Remove pipe port cover here for left-side piping.
Left-bottom piping
Left-side piping
Left-back piping
3)Besuretoconnectthedrainhosetothedrainportinplaceofadrainplug.
How to set drain plug.
No gap.Do not apply lubricating oil (refrigeration oil) when inserting.Application of causes deterioration and drain leakage of the plug.
Insert a hexagonal wrench 3/16” (4mm).
4)Shapetherefrigerantpipesalongthepipepathmarkingonthemountingplate.
5)Passdrainhoseandrefrigerantpipesthroughthewallhole,thensettheindoorunitonmountingplatehooks,usingthe markingsatthetopofindoorunitasaguide.
6)Pullintheinter-unitwire.7)Connecttheinter-unitpipes.
Drain hose
Caulk this hole with putty or caulking material. Bind with vinyl
tape.
A Mounting plate
Wrap insulating tape around the bent portion of refrigerant pipes. Overlap at least half the width of the tape with each turn.
8)Wraptherefrigerantpipesanddrainhosetogetherwithinsulationtapeasrightfigure,incaseofsettingthedrainhosethroughthebackoftheindoorunit.
9)Whileexercisingcaresothattheinter-unitwiredonotcatchindoorunit,pressthebottomedgeofindoorunitwithbothhandsuntilitisfirmlycaughtbythemountingplatehooks.Secureindoorunittothemountingplatewithindoorunitfixingscrews3/16×1/2inch(M4×12mm).
Refrigerantpipes
Drain hose
Bottom frameH Indoor unit fixing screw 3/16” × 1/2” (M4 × 12mm) (2 locations)
Mountingplate
AInter-unit wire
01_EN_3P297301-2.indd 8 10/18/2011 2:00:51 PM
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■English 9
3-3. Wall embedded piping•Insertthedrainhosetothisdepthsoitwon’tbepulledoutofthedrainpipe. Inner wall
Vinyl chloride drain pipe (VP-30)
Drain hose1-15/16” (50mm) or more
Insert the drain hose to this depth so it won’t be pulled out of drain pipe.
Outer wall
4. Wiring
With a multi indoor unit , install as described in the installation manual supplied with the Multi outdoor unit.
1)Asshownintheillustrationontheright-handside,insertthewiresincludingthegroundwireintotheconduitandsecurethemwithlocknutontotheconduitmountingplate.
2)Insertthewiresincludingthegroundwireintotube.3)Stripwireends(9/16inch(15mm)).4)Matchwirecolorswithterminalnumbersonindoorand
outdoorunit’sterminalblocksandfirmlyscrewwirestothecorrespondingterminals.
5)Connectthegroundwirestothecorrespondingterminals.6)Pullthewiresandcheckthatthewiresaresecurelyfixed
totheterminalblock.7)Incaseofconnectingtoanadaptersystem,runthe
remotecontrollercableandattachtheS21.(RefertoP5whenconnectingtoanHAsystem.)
8)Shapethewiressothattheservicelidfitssecurely,thencloseservicelid.
123
1 2 3 GRL1L2
Conduit mounting plate
Lock nut
Back
Conduit
Terminal block
Electrical component box
Use the specified wire type.
Wire retainer
Shape wires so that the service lid will fit securely.
TubeJ
Use AWG16 if the connection wire length is less than 32.8ft (10m), or AWG14 if it is 32.8ft (10m) or more.
Outdoor unit
Indoor unit
Use AWG 14 wires.
WARNING•Donotusetappedwires,strandedwires,extensioncords,orstarburstconnections,astheymaycauseoverheating,electricalshock,orfire.
•Donotuselocallypurchasedelectricalpartsinsidetheproduct.(Donotbranchthepowerforthedrainpump,etc.,fromtheterminalblock.)Doingsomaycauseelectricshockorfire.
•Whencarryingoutwiringconnection,takecarenottopullattheconduit.•Donotconnectthepowerwiretotheindoorunit.Doingsomaycauseelectricshockorfire.
J
01_EN_3P297301-2.indd 9 10/18/2011 2:00:52 PM
10 ■English
Indoor Unit Installation5. Drain piping
1)Connectthedrainhose,asdescribedright.
The drain hose should be inclined downward.
No trap is permitted.
Do not put the end of the hose in water.
2)Removetheairfiltersandpoursomewaterintothedrainpantocheckthewaterflowssmoothly.
3)Whendrainhoserequiresextension,obtainanextensionhosecommerciallyavailable.Besuretothermallyinsulatetheindoorsectionoftheextensionhose.
Indoor unit drain hose ϕ5
/8” (ϕ1
6mm
)
Extension drain hose
Heat insulation tube(field supply)
4)Whenconnectingarigidpolyvinylchloridepipe(nominaldiameter1/2inch(13mm))directlytothedrainhoseattachedtotheindoorunitaswithembeddedpipingwork,useanycommerciallyavailabledrainsocket(nominaldiameter1/2inch(13mm))asajoint.
Drain hose supplied with the indoor unit
Commercially available drain socket (nominal diameter 1/2 inch (13mm))
Commercially available rigid polyvinyl chloride pipe(nominal diameter 1/2 inch (13mm))
ϕ5/8
” (ϕ1
6mm
)
01_EN_3P297301-2.indd 10 10/18/2011 2:00:52 PM
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■English 11
Trial Operation and Testing1. Trial operation and testing
1-1 Measurethesupplyvoltageandmakesurethatitfallsinthespecifiedrange.
1-2 Trialoperationshouldbecarriedoutineithercoolingorheatingmode.
•Incoolingmode,selectthelowestprogrammabletemperature;inheatingmode,selectthehighestprogrammabletemperature.1)Trialoperationmaybedisabledineithermodedependingontheroomtemperature.
Usetheremotecontrollerfortrialoperationasdescribedbelow.2)Aftertrialoperationiscomplete,setthetemperaturetoanormallevel(78°Fto82°F(26°Cto28°C)incoolingmode,
68°Fto75°F(20°Cto24°C)inheatingmode).3)Forprotection,thesystemdisablesrestartoperationfor3minutesafteritisturnedoff.
1-3 Carryoutthetestoperationinaccordancewiththeoperationmanualtoensurethatallfunctionsandparts,suchasfinmovement,areworkingproperly.•Theairconditionerrequiresasmallamountofpowerinitsstandbymode.Ifthesystemisnottobeusedforsometimeafterinstallation,shutoffthecircuitbreakertoeliminateunnecessarypowerconsumption.
•Ifthecircuitbreakertripstoshutoffthepowertotheairconditioner,thesystemwillrestoretheoriginaloperationmodewhenthecircuitbreakerisopenedagain.
Trial operation from remote controller1)Press“ON/OFF”buttontoturnonthesystem.2)Press“TEMP”button(2locations)and“MODE”buttonatthesametime.3)Press“MODE”buttontwice.
(“T”willappearonthedisplaytoindicatethattrialoperationmodeisselected.)4)Trialoperationterminatesinapprox.30minutesandswitchesintonormalmode.Toquitatrialoperation,press“ON/
OFF”button.
2. Test items
TestitemsSymptom
(diagnosticdisplayonRC)Check
Indoorandoutdoorunitsareinstalledproperlyonsolidbases. Fall,vibration,noise
Norefrigerantgasleaks.Incompletecooling/heatingfunction
Refrigerantgasandliquidpipesandindoordrainhoseextensionarethermallyinsulated.
Waterleakage
Draininglineisproperlyinstalled. Waterleakage
Systemisproperlygrounded. Electricalleakage
Thespecifiedwiresareusedforinter-unitwiring. Inoperativeorburndamage
Indoororoutdoorunit’sairinletorairoutlethasclearpathofair.Stopvalvesareopened.
Incompletecooling/heatingfunction
Indoorunitproperlyreceivesremotecontrolcommands. Inoperative
TheheatpumporcoolingonlymodeisselectablewiththeDIPswitchoftheremotecontroller.
Remotecontrollermalfunction-ing
01_EN_3P297301-2.indd 11 10/18/2011 2:00:52 PM