FDXS__LVJU
English
INSTALLATION MANUAL
Français
DAIKIN ROOM AIR CONDITIONER
Installation manual
Manuel dinstallation
Manual de instalación
Español
R410A Split Series
MODELS
FDXS09LVJU
FDXS12LVJU
CDXS15LVJU
CDXS18LVJU
CDXS24LVJU
00_CV_3P297301-3C.indd 1
10/26/2012 11:23:56 AM
English
Safety Precautions
•ReadtheseSafetyPrecautionscarefullytoensurecorrectinstallation.
•ThismanualclassifiestheprecautionsintoDANGER,WARNINGandCAUTION.
Besuretofollowalltheprecautionsbelow: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.
Besuretoestablishanearthconnection.
Neverattempt.
•Aftercompletinginstallation,testtheunittocheckforinstallationerrors.GivetheuseradequateinstructionsconcerningtheuseandcleaningoftheunitaccordingtotheOperationManual.
DANGER
•Refrigerantgasisheavierthanairandreplacesoxygen.Amassiveleakcouldleadtooxygendepletion,especially
inbasements,andanasphyxiationhazardcouldoccurleadingtoseriousinjuryordeath.
•Iftherefrigerantgasleaksduringinstallation,ventilatetheareaimmediately.
Refrigerantgasmayproduceatoxicgasifitcomesincontactwithfiresuchasfromafanheater,stoveorcookingdevice.Exposuretothisgas
couldcausesevereinjuryordeath.
•Aftercompletingtheinstallationwork,checkthattherefrigerantgasdoesnotleak.
Refrigerantgasmayproduceatoxicgasifitcomesincontactwithfiresuchasfromafanheater,stoveorcookingdevice.Exposuretothisgas
couldcausesevereinjuryordeath.
•Donotgroundunitstowaterpipes,telephonewiresorlightningrodsbecauseincompletegroundingcouldcausea
severeshockhazardresultinginsevereinjuryordeath,andtogaspipesbecauseagasleakcouldresultinan
explosionwhichcouldleadtosevereinjuryordeath.
•Safelydisposeofthepackingmaterials.
Packingmaterials,suchasnailsandothermetalorwoodenparts,maycausestabsorotherinjuries.Tearapartandthrowawayplastic
packagingbagssothatchildrenwillnotplaywiththem.Childrenplayingwithplasticbagsfacethedangerofdeathbysuffocation.
•Donotinstallunitinanareawhereflammablematerialsarepresentduetoriskofexplosionresultinginserious
injuryordeath.
•Donotgroundunitstotelephonewiresorlightningrodsbecauselightningstrikescouldcauseasevereshock
hazardresultinginsevereinjuryordeath,andtogaspipesbecauseagasleakcouldresultinanexplosionwhich
couldleadtosevereinjuryordeath.
WARNING
•Installationshallbelefttotheauthorizeddealeroranothertrainedprofessional.
Improperinstallationmaycausewaterleakage,electricalshock,fire,orequipmentdamage.
•Installtheairconditioneraccordingtotheinstructionsgiveninthismanual.
Incompleteinstallationmaycausewaterleakage,electricalshock,fireorequipmentdamage.
•Besuretousethesuppliedorexactspecifiedinstallationparts.
Useofotherpartsmaycausetheunittocometolose,waterleakage,electricalshock,fireorequipmentdamage.
•Installtheairconditioneronasolidbasethatislevelandcansupporttheweightoftheunit.
Aninadequatebaseorincompleteinstallationmaycauseinjuryorequipmentdamageintheeventtheunitfallsoffthebaseorcomesloose.
•Electricalworkshallbecarriedoutinaccordancewiththeinstallationmanualandthenational,stateandlocal
electricalwiringcodes.
Insufficientcapacityorincompleteelectricalworkmaycauseelectricalshock,fireorequipmentdamage.
•Besuretouseadedicatedpowercircuit.Neveruseapowersupplysharedbyanotherappliance.
Followallappropriateelectricalcodes.
•Forwiring,useawireorcablelongenoughtocovertheentiredistancewithnosplicesifpossible.Donotusean
extensioncord.Donotputotherloadsonthepowersupply.Useonlyaseparatededicatedpowercircuit.
(Failuretodosomaycauseabnormalheat,electricshock,fireorequipmentdamage.)
•Usethespecifiedtypesofwiresforelectricalconnectionsbetweentheindoorandoutdoorunits.Followallstate
andlocalelectricalcodes.
Firmlyclamptheinterconnectingwiressotheirterminalsreceivenoexternalstresses.Incompleteconnectionsorclampingmaycauseterminal
overheating,fireorequipmentdamage.
■English
01_EN_3P297301-3C.indd 1
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10/26/2012 11:27:22 AM
Safety Precautions
WARNING
•Afterconnectingallwiringbesuretoshapethecablessothattheydonotputunduestressontheelectrical
covers,panelsorterminals.
Installcoversoverthewires.Incompletecoverinstallationmaycauseterminaloverheating,electricalshock,fireorequipmentdamage.
•Wheninstallingorrelocatingthesystem,besuretokeeptherefrigerantcircuitfreefromallsubstancesotherthan
thespecifiedrefrigerant(R410A),suchasair.
(Anypresenceofairorotherforeignsubstanceintherefrigerantcircuitcausesanabnormalpressurerisewhichmayresultinrupture,resulting
ininjury.)
•Duringpump-down,stopthecompressorbeforeremovingtherefrigerantpiping.
Ifthecompressorisstillrunningandtheshut-offvalveisopenduringpump-down,airwillbesuckedinwhentherefrigerantpipingisremoved,
causingabnormallyhighpressurewhichcouldleadtoequipmentdamageorandpersonalinjury.
•Duringinstallation,attachtherefrigerantpipingsecurelybeforerunningthecompressor.
Iftherefrigerantpipesarenotattachedandtheshut-offvalveisopenwhenthecompressorisrun,airwillbesuckedin,causingabnormal
pressureintherefrigerationcycle,whichmayresultinequipmentdamageandeveninjury.
•Installaleakcircuitbreaker,asrequired.
Ifaleakcircuitbreakerisnotinstalled,electricshockmayresult.
•Besuretoinstallagroundfaultcircuitinterrupterbreaker.
Failuretoinstallagroundfaultcircuitinterrupterbreakermayresultinelectricallyshocksorpersonalinjury.
CAUTION
•Establishdrainpipingaccordingtotheinstructionsofthismanual.
Inadequatepipingmaycausewaterdamage.
•Noteforinstallingtheoutdoorunit.(Forheatpumpmodelonly.)
Inregionsofthecountrywheretheoutsidetemperatureisatorbelowthefreezingpoint,thedrainmayfreeze.Ifso,itisrecommendedthatan
electricheaterbeinstalledinordertoprotectthedrainfromfreezing.
•Tightentheflarenutaccordingtothespecifiedtorque.Atorquewrenchshouldbeused.
Iftheflarenutistightenedtoomuch,theflarenutmaycrackovertimeandcauserefrigerantleakage.
•Donottouchtheheatexchangerfins.
Improperhandlingmayresultininjury.
•Beverycarefulaboutproducttransportation.
SomeproductsusePPbandsforpackaging.DonotuseanyPPbandsforameansoftransportation.Itisdangerous.
Accessories
Clamp
metal
Insulation
for fitting
1 pc.
1 each
Sealing pad
Large and
small
1 each
for gas pipe
for liquid pipe
3 pcs.
(only for
CDXS)
Large
Small
2 large
1 small
Drain hose
Washer for
hanger
bracket
Sealing
material
Clamp
1 pc.
8 pcs.
2 pcs.
6 pcs.
1 pc.
Hanger
(right)
insulation
Screws for
Washer
fixing plate duct flanges
One is spare
Stored in outlet vent
Conduit
mounting
plate
Screws for
conduit
mounting plate
Insulation
tube
Air filter
Wireless
remote
controller
Remote
controller
holder
Dry battery
AAA. LR03
(alkaline)
1 pc.
2 pcs.
1 pc.
1 pc.
1 pc.
1 pc.
1 set
1 set
1 set
4 pcs.
24 pcs.
Receiver kit
1 pc.
1 pc.
Mounting
frame
Decorative
cover
2 pcs.
Screws
M4 × 25
2 pcs.
[ Other ]
2
01_EN_3P297301-3C.indd 2
• Operation manual
• Installation manual
■English
10/26/2012 11:27:22 AM
English
Choosing an Installation Site
•Beforechoosingtheinstallationsite,obtainuserapproval.
1.
Indoor unit
CAUTION
•Whenmovingtheunitduringorafterunpacking,makesuretoliftitbyholdingitsliftinglugs.Donotexertanypressureon
otherparts,especiallytherefrigerantpiping,drainpipingandflangeparts.
Wearprotectivegear(suchasgloves)wheninstallingtheunit.
•Ifyouthinkthehumidityinsidetheceilingmightexceed86°F(30°C)andRH80%,reinforcetheinsulationontheunitbody.
Useglasswoolorpolyethylenefoamasinsulationsothatthethicknessismorethan0.4in(10mm)andfitsinsidetheceiling
opening.
■ Use suspension bolts to install the unit. Check whether or not the
ceiling is strong enough to support the weight of the unit. If there is
a risk that the ceiling is not strong enough, reinforce the ceiling
before installing the unit.
12 (300)
or more
13/16 (20) or more
Ceiling
If there is
no ceiling
Maintenance
space
*H=
100 (2500) 9-1/2 (240)
or more
or more
Control box
7-7/8
(200)
•Optimumairdistributionisensured.
•Theairpassageisnotblocked.
•Condensatecandrainproperly.
•Theceilingisstrongenoughtobeartheweightoftheindoorunit.
•Afalseceilingdoesnotseemtobeatanincline.
•Sufficientclearanceformaintenanceandservicingisensured.
•Pipingbetweentheindoorandoutdoorunitsiswithintheallowablelimits.
(Refertotheinstallationmanualfortheoutdoorunit.)
•Theindoorunit,outdoorunit,powersupplywiringandtransmissionwiringisat
least3.3ft(1m)awayfromtelevisionsandradios.Thispreventsimageinterferenceandnoiseinelectricalappliances.(Noisemaybegenerateddepending
ontheconditionsunderwhichtheelectricwaveisgenerated,evenifa3.3ft
(1m)allowanceismaintained.)
Floor surface
(unit : in (mm))
(Installationpitchismarkedonthecartonboxforinstallation.Refertoittocheck
forpointsrequiringreinforcing.)Selectthe*Hdimensionsuchthatadownward
slopeofatleast1/100isensuredasindicatedin“Drain Piping Work”.
•Theinstallationpitchislistedonthepackingmaterial,andshouldbechecked
whendecidingwhethertoreinforcethelocationornot.
■ Select the signal receiver mounting location according to the
following conditions:
•Installthesignalreceiver,whichhasabuilt-intemperaturesensor,nearthe
intakeventwherethereisconvectionofairanditcangetanaccuratereading
oftheroom’stemperature.If theintakeventisinanotherroomortheunit
cannotbeinstalledneartheintakeventforanyotherreason,installit5ft
(1.5m)abovetheflooronawallwherethereisconvection.
•Inordertogetanaccuratereadingoftheroom’stemperature,installthesignal
receiverinalocationwhereitisnotexposeddirectlytocoldorhotairfromthe
airdischargegrilleortodirectsunlight.
•Sincethereceiverhasabuilt-inlightreceptortoreceivesignalsfromthe
wirelessremotecontroller,donotmountitinalocationwherethesignalmay
beblockedbyacurtain,etc.
Air outlet grille:
Wooden or plastic grille is recommended
because condensation may occur
depending on humidity conditions.
CAUTION
Ifthesignalreceiverisnotinstalledinalocationwherethereisconvectionofair,itmaybeunabletogetanaccuratereading
oftheroom’stemperature.
■English
01_EN_3P297301-3C.indd 3
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10/26/2012 11:27:23 AM
Choosing an Installation Site
2.
Wireless remote controller
•Turnonallthefluorescentlampsintheroom,ifany,andfindthesitewhereremotecontrollersignalsareproperly
receivedbytheindoorunit(within13ft(4m)).
3.
Outdoor unit
•Foroutdoorunitinstallation,seetheinstallationmanualsuppliedwiththeoutdoorunit.
Preparations before Installation
■ Relation of the unit to the suspension bolt positions.
24-7/16 (620)
•Installtheinspectionopeningonthecontrolboxsidewhere
maintenanceandinspectionofthecontrolboxareeasy.Install
theinspectionopeningalsointhelowerpartoftheunit.
19-11/16 (500)
(unit : in (mm))
Ceiling
Air inlet
Air outlet
A
(Seethetechnicaldocumentationfortherangeoftheexternal
staticpressuresetting.)
B
sure is not exceeded.
Control
box
■ Open the installation hole. (Pre-set ceilings)
•Oncetheinstallationholeisopenedintheceilingwheretheunit
istobeinstalled,passrefrigerantpiping,drainpiping,transmissionwiring,andremotecontrollerwiring(unneededifusinga
wirelessremotecontroller)totheunit’spipingandwiringholes.
See“Refrigerant Piping Work”,“Drain Piping Work”,and
“Wiring”.
•Afteropeningtheceilinghole,makesureceilingislevelif
needed.Itmightbenecessarytoreinforcetheceilingframeto
preventshaking.Consultanarchitectorcarpenterfordetails.
<SERVICE SPACE>
24-7/16 (620)
A
■ Make sure the range of the unit’s external static pres-
(Suspension bolt pitch)
Suspension
bolt pitch
17-3/4 (450)
(Inspection opening
size)
Arrow view
Inspection door
(Ceiling opening)
A
B
FDXS09/12
27-9/16 (700)
29-1/8 (740)
CDXS15/18
35-7/16 (900)
37 (940)
CDXS24
43-5/16 (1000)
44-7/8 (1140)
■ Install the suspension bolts.
(UseW3/8toM10suspensionbolts.)
•Useahole-in-anchor,sunkeninsert,sunkenanchorforexisting
ceilings,andasunkeninsert,sunkenanchororotherparttobe
procuredinthefieldtoreinforcetheceilingtobearingtheweight
oftheunit.(RefertoFig.)
Ceiling slab
Anchor bolt
Long nut or turn-buckle
Suspension bolt
Indoor unit
Note: All the above parts are field supplied.
■ Mount chamber cover and air filter (accessory).
Forbottomintake,replacethechambercoverandthe
protectionnetintheprocedurelistedinFig.
(1)Removetheprotectionnet.(6locations)
Removethechambercover.(7locations)
(2)Reattachtheremovedchambercoverinthe
orientationshowninFig.(7locations)
Reattachtheremovedprotectionnetinthe
orientationshowninFig.(6locations)
RefertoFig.forthedirectionoftheprotectionnet.
4
01_EN_3P297301-3C.indd 4
(1)
Protection net
(2)
Air inlet
Chamber
cover
Chamber
cover
Air outlet
Protection net
Air outlet
Air inlet
■English
10/26/2012 11:27:23 AM
Sealing pad (Small)
(accessory)
(3)
English
(3)Attachsealingpadasshownintheright
figure.(Storedinoutletvent)(onlyfor
CDXS)
(Inordertotakeintheairinsidethe
ceiling,andwhennottakinginairfrom
outdoorair,itisnotnecessarytostick.)
•Attachthesealingpad(accessory)to
theplatemetalsectionswhicharenot
coveredbyanti-sweatmaterial.
•Makesuretherearenogapsbetween
thedifferentpiecesofsealingpad.
Sealing pad (Small)
(accessory)
Air inlet
Air inlet
Air outlet
Sealing pad (Large)
(accessory)
Anti-sweat material
included with the product
Sealing pad
(Large)
(accessory)
Air outlet
Anti-sweat material
included with the product
For rear intake type
For bottom intake type
(4)Attachthehanger(right)insulationtotherighthanger.(Storedinoutletvent)
(Seethebelowfigureforthestickingbaseline.)
Hanger bracket (right)
Hanger (right) insulation
(accessory)
se
Slit
a
gb
Arrow view
e
lin
n
cki
Sti
(5)Attachtheairfilter(accessory)inthemannershowninthediagram.
In case of bottom side
In case of back side
Main unit
Push
Attach the filter to
the main unit while
pushing down on
the bends. *
Filter
Push
* FDXS09/12, CDXS15/18 : 2 bends
CDXS24 : 3 bends
■ When two indoor units are installed in one room, one of the two wireless remote controllers can be easily
set for another addresses.
PCB in the indoor unit
• Cut the jumper
JA on PCB.
JA
ADDRESS
■English
01_EN_3P297301-3C.indd 5
JB
JC
ADDRESS: JA
EXIST 1
CUT
2
Wireless remote controller
• Cut the jumper J4.
1
2
J4
3
J4
ADDRESS
EXIST
1
CUT
2
5
10/26/2012 11:27:24 AM
Indoor Unit Installation
<< As for the parts to be used for installation work, be sure to use the provided accessories and specified
parts designated by our company. >>
■ Install the indoor unit temporarily.
•Attachthehangerbrackettothesuspensionbolt.
Besuretofixitsecurelybyusinganutandwasher
fromtheupperandlowersidesofthehanger
bracket.(RefertoFig.)
[ Securing the hanger bracket ]
[ How to secure washers ]
Part to be procured
in the field
Washer for
hanging bracket
(accessory)
Hanger
bracket
[ PRECAUTION ]
Sincetheunitusesaplasticdrainpan,prevent
weldingspatterandotherforeignsubstancesfrom
enteringtheoutletholeduringinstallation.
Tighten
(double nut)
Insert
below washer
Washer
fixing plate
(accessory)
■ Adjust the height of the unit.
■ Check the unit is horizontally level.
Level
Vinyl tube
CAUTION
•Makesuretheunitisinstalledlevelusingaleveloraplastictubefilledwithwater.Inusingaplastictubeinsteadofalevel,
adjustthetopsurfaceoftheunittothesurfaceofthewateratbothendsoftheplastictubeandadjusttheunithorizontally.
(Onethingtowatchoutforinparticularisifitisinstalledsothattheslopeisnotinthedirectionofthedrainpiping,asthis
mightcauseleaking.)
■ Tighten the upper nut.
■ Mounting the receiver.
Mountthereceiverasshownbelow.
1 Press the receiver into the
mounting frame.
2 Mount the completed
assembly using two screws.
3 Press the decorative cover into
the mounting frame.
Note) Mount the Remote controller cord far enough away from strong electrical wires (such as distribution wires for
electrical lights, air conditioners, etc.) and from weak electrical wires (such as wires for telephones, intercoms, etc.).
For heat pump: If your feet feel cold when using the heating function, it is
recommended that the air outlet grille shown at below be attached.
45°
(Adjustable angle)
Outdoor unit Installation
Installasdescribedintheinstallationmanualsuppliedwiththeoutdoorunit.
6
01_EN_3P297301-3C.indd 6
■English
10/26/2012 11:27:25 AM
English
Refrigerant Piping Work
Seetheinstallationmanualsuppliedwiththeoutdoorunit.
1.
Flaring the pipe end
1)Cutthepipeendwithapipecutter.
2)Removeburrswiththecutsurfacefacingdownwardsothatthechipsdonotenterthepipe.
3)Puttheflarenutonthepipe.
4)Flarethepipe.
5)Checkthattheflaringisproperlymade.
(Cut exactly at right angles.)
Set exactly at the position shown below.
A
Die
A
Remove burrs
Flaring
Flare tool for R410A
Conventional flare tool
Clutch-type
Clutch-type (Rigid-type) Wing-nut type (Imperial-type)
0-0.02in (0-0.5mm)
0.04-0.06in (1.0-1.5mm) 0.06-0.08in (1.5-2.0mm)
Check
The pipe end must
be evenly flared in a
perfect circle.
Flare’s inner surface
must be flaw-free.
Make sure that the
flare nut is fitted.
WARNING
•Donotusemineraloilonflaredpart.
•Preventmineraloilfromgettingintothesystemasthiswouldreducethelifetimeoftheunits.
•Neverusepipingwhichhasbeenusedforpreviousinstallations.Onlyusepartswhicharedeliveredwiththeunit.
•NeverinstalladriertothisR410Aunitinordertoguaranteeitslifetime.
•Thedryingmaterialmaydissolveanddamagethesystem.
Incompleteflaringmaycauserefrigerantgasleakage.
2.
Refrigerant piping
1)Topreventgasleakage,applyrefrigerationmachineoiltotheinner
surfaceoftheflare.(UserefrigerationoilforR410A)
Flarenuttighteningtorque
Gasside
2)Alignthecentersofbothflaresandtightentheflarenuts3or4turns
byhand.Thentightenthemfullywiththetorquewrenches.
•Usetorquewrencheswhentighteningtheflarenutstoprevent
damagetotheflarenutsandescapinggas.
Liquidside
3/8inch
(9.5mm)
1/2inch
(12.7mm)
5/8inch
(15.9mm)
1/4inch
(6.4mm)
24.1-29.4ft•lbf
(32.7-39.9N•m)
36.5-44.5ft•lbf
(49.5-60.3N•m)
45.6-55.6ft•lbf
(61.8-75.4N•m)
10.4-12.7ft•lbf
(14.2-17.2N•m)
CAUTION
•Overtightening may damage the flare and cause leaks.
3) After the work is finished, make sure to
check that there is no gas leak.
Do not apply refrigeration
oil to the outer surface.
Apply refrigeration
oil to the inner
surface of the flare.
Torque wrench
Flare nut
Spanner
Flare nut
Piping union
Do not apply refrigeration oil to
the flare nut to avoid tightening
with excessive torque.
4) After checking for gas leaks, be sure to insulate the pipe connections.
•Insulateusingtheinsulationforfittingincludedwiththeliquidandgaspipes.Besides,makesuretheinsulationforfitting
ontheliquidandgaspipinghasitsseamsfacingup.
(Tightenbothedgeswithclamp.)
•Forthegaspiping,wrapthemediumsealingpadovertheinsulationforfitting(flarenutpart).
Gas Piping Insulation Procedure
Piping insulation
material (main unit)
Attach to base
Main unit
Clamp
(accessory)
■English
01_EN_3P297301-3C.indd 7
Insulation for fitting
(accessory)
Liquid Piping Insulation Procedure
Measure the length of the gas
pipe as you will have to cover
it with the sealing tape.
Flare nut connection
Turn seams up
Small sealing pad
(accessory)
Main unit
Piping insulation material
(Field supplied)
Piping insulation
material (main unit)
Liquid pipe
Gas pipe
Wrap the sealing
tape around the
gas pipe.
Attach to base
Main unit
Clamp (accessory)
Insulation for fitting
(accessory)
Flare nut connection
Turn seams up
Piping insulation material
(Field supplied)
7
10/26/2012 11:27:25 AM
Refrigerant Piping Work
CAUTION
Besuretoinsulateanyfieldpipingallthewaytothepipingconnectioninsidetheunit.Anyexposedpipingmaycausecondensationorburnsiftouched.
Cautions on Pipe Handling
•Protecttheopenendofthepipeagainstdustandmoisture.
(Tightenbothedgeswithclamp.)
•Allpipebendsshouldbeasgentleaspossible.Useapipebenderforbending.
(Seetheminimumbendradiusinthetablebelow.)
Wall
Be sure to
place a cap.
Rain
If no flare cap is
available, cover
the flare mouth
with tape to keep
dirt or water out.
Selection of Copper and Heat Insulation materials
Whenusingcommercialcopperpipesandfittings,observethefollowing:
•Insulationmaterial:Polyethylenefoam
Heattransferrate:0.041to0.052W/mK(0.024to0.030Btu/fth°F(0.035to0.045kcal/mh°C))
BesuretouseinsulationthatisdesignedforusewithHVACSystems.
•Besuretoinsulateboththegasandliquidpipingandtoprovideinsulationdimensionsasbelow.
Liquidpipe
thermal
insulation
O.D.3/8inch
O.D.1/2inch
O.D.5/8inch
O.D.1/4inch I.D.15/32-19/32 I.D.9/16-5/8
I.D.5/8-25/32 I.D.5/16-13/32
(9.5mm)
(12.7mm)
(15.9mm)
(6.4mm)
inch(12-15mm) inch(14-16mm) inch(16-20mm) inch(8-10mm)
Minimumbendradius
Thickness13/32inch(10mm)Min.
1-3/16inch
1-9/16inch
1-15/16inch
1-3/16inch
(30mm)ormore (40mm)ormore (50mm)ormore (30mm)ormore
Thickness0.039 Thickness0.031
Thickness0.031inch(0.8mm)
inch(1.0mm) inch(0.8mm)
(C1220T-O)
(C1220T-O)
(C1220T-O)
Gasside
Liquidside
Gaspipethermalinsulation
Also,whensubjecttohighhumidity,heatinsulationoftherefrigerantpiping(theunitpipingand
branchpiping)mustbefurtherreinforced.
Reinforcetheinsulationwheninstallingtheunitnearbathrooms,kitchens,andothersimilarlocations.
Refertothefollowing:
•86°F(30°C),morethan75%RH:13/16inch(20mm)Min.inthickness
Iftheinsulationisnotsufficient,condensationmayformonthesurfaceoftheinsulation.
•Useseparatethermalinsulationpipesforgasandliquidrefrigerantpipes.
Gas pipe
Gas pipe
insulation
Finishing tape
Liquid pipe
Liquid pipe
insulation
Drain hose
Drain Piping Work
CAUTION
Makesureallwaterisoutbeforemakingtheductconnection.
■ Install the drain piping.
Drain pipe connection hole
•Makesurethedrainworksproperly.
•Thediameterofthedrainpipeshouldbegreaterthanorequaltothediameterof
theconnectingpipe(vinyltube;pipesize:25/32inch(20mm);outerdimension:
1-1/32inch(26mm)).
Refrigerant pipes
Connect the drain pipe after
removing the rubber cap and
insulation tubing attached to
the connection hole.
•Keepthedrainpipeshortandslopingdownwardsatagradientofatleast1/100
topreventairpocketsfromforming.
OK
Wrong
8
01_EN_3P297301-3C.indd 8
■English
10/26/2012 11:27:26 AM
English
CAUTION
•Water accumulating in the drain piping can cause the drain to clog.
•Tokeepthedraintubefromsagging,spacehangingwiresevery3(1)to5ft(1.5m).
•Usethedrainhoseandthemetalclamp.Insertthedrainhosefullyintothedrainsocketandfirmlytightenthemetalclampwith
theupperpartofthetapeonthehoseend.Tightenthemetalclampuntilthescrewheadislessthan1/8inch(4mm)fromthe
hose.
•Thetwoareasbelowshouldbeinsulatedbecausecondensationmayformtherecausingwatertoleak.
•Drainpipingpassingindoors
Large sealing pad
•Drainsockets
Clamp metal
Referringthefigurebelow,insulatethe
(accessory)
(accessory)
metalclampanddrainhoseusingthe
Clamp metal
includedlargesealingpad.
(accessory)
Tape
Drain hose
(accessory)
ϕ1/8 inch (4mm)
<PRECAUTIONS>
Drainpipingconnections
•Donotconnectthedrainpipingdirectlytosewagepipesthatsmellofammonia.Theammoniainthesewagemightenterthe
indoorunitthroughthedrainpipesandcorrodetheheatexchanger.
•Donottwistorbendthedrainhose,sothatexcessiveforceisnotappliedtoit.
(Thistypeoftreatmentmaycauseleaking.)
■ After piping work is finished, check drainage flows smoothly.
•Graduallyinsertapproximately1Lofwaterintothedrainpantocheck
drainageinthemannerdescribedbelow.
•Graduallypourapproximately1Lofwaterfromtheoutletholeintothe
drainpantocheckdrainage.
•Checkthedrainage.
Air outlet
Portable pump
Bucket
Refrigerant pipes
Drain outlet
Installing the Duct
Connecttheductsuppliedinthefield.
Air inlet side
•Attachtheductandintake-sideflange(fieldsupply).
•Connecttheflangetothemainunitwithaccessoryscrews(in16,20or24positions).
•Wraptheintake-sideflangeandductconnectionareawithaluminumtapeorsomethingsimilartopreventairescaping.
CAUTION
•Whenattachingaducttotheintakeside,besurealsotoattachanairfilterinsidetheairpassageontheintakeside.(Usean
airfilterwhosedustcollectingefficiencyisatleast50%inagravimetrictechnique.)
■English
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Installing the Duct
Outlet side
•Connecttheductaccordingtotheinsideoftheoutlet-sideflange.
•Wraptheoutlet-sideflangeandtheductconnectionareawithaluminumtapeorsomethingsimilartopreventairescaping.
Flange
(field supply)
Flange
Main unit
Connection screw
(accessory)
Insulation material
(field supply)
Aluminum tape
(field supply)
Aluminum tape
(field supply)
Air inlet side
Outlet side
CAUTION
•Besuretoinsulatetheducttopreventcondensationfromforming.(Material:glasswoolorpolyethylenefoam,1inch(25mm)
thick)
•Useelectricinsulationbetweentheductandthewallwhenusingmetalductstopassmetallathsofthenetorfenceshapeor
metalplatingintowoodenbuildings.
Wiring
Seetheinstallationmanualsuppliedwiththeoutdoorunit.
■ HOW TO CONNECT WIRINGS.
•WireonlyafterremovingthecontrolboxcoverasshownintheFig.
Control box cover
• Wrap the power supply wiring and the remote controller
wiring with the sealing material as shown in the figure
below.
(Otherwise, moisture or small creatures such as insects from
the outside may cause short-circuit inside the control box.)
Attach securely so that there are no gaps.
Sealing material
(accessory)
Wiring Diagram
(rear)
*Remote controller wiring
Wire
Conduit mounting plate
(accessory)
Outside
unit
Wiring
through hole
Inside
unit
[How to adhere it]
Screw
(accessory)
Power supply wiring
Ground wire
Lock nut
(field supply)
Conduit
(field supply)
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■English
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•Whendoingthewiring,makesurethewiringisneatanddoesnotcausethecontrolboxcovertostickup,thenclosethecover
firmly.Whenattachingthecontrolboxcover,makesureyoudonotpinchanywires.
•Outsidetheunit,separatethelowvoltagewiring(remotecontrollerwiring)andhighvoltagewiring(groundwireandpower
supplywiring)atleast5insothattheydonotpassthroughthesameplacetogether.Proximitymaycauseelectricalinterference,malfunctions,andbreakage.
English
CAUTION
[ PRECAUTION ]
•Seealsothe“ElectricalWiringDiagramLabel”whenwiringtheunitforpowersupply.
[ Connecting electrical wiring ]
•Power supply wiring and ground wire
Removethecontrolboxcover.
Next,pullthewiresintotheunitthroughtheconduitandthreadthem
throughtheinsulationtube(accessory),thenconnecttothepower
wiringterminalblock(4P).
Securethewirescoveredbytheinsulationtubewiththeclamp
(accessory).
Besuretoputthepartofthesheathedvinylintothecontrolbox.
Terminal block (4P)
Clamp
(for fixing in place)
(accessory)
Insulation tube
(accessory)
Indoor PC board
(ASSY)
Power supply wiring
Ground wire
Conduit
Power supply wiring
Ground wire
Power supply wiring
Ground wire
WARNING
•Do not use tapped wires, stranded wires, extension cords, or starburst connections, as they may cause overheating,
electrical shock, or fire.
Outdoor unit
Use AWG16 if the connection wire
length is less than 32.8ft (10m), or
AWG14 if it is 32.8ft (10m) or more.
Indoor
unit
■English
01_EN_3P297301-3C.indd 11
1 23
L1 L2 GR
Use AWG 14 wires.
1
2
3
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Trial Operation and Testing
1.
Trial operation and testing
(1)Measurethesupplyvoltageandmakesurethatitfallsinthespecifiedrange.
(2)Trialoperationshouldbecarriedoutineithercoolingorheatingmode.
Trial operation from remote controller
(1) Press ON/OFF button to turn on the system.
(2) Simultaneously press center of TEMP button and MODE button.
(3) Press MODE button twice.
(“ ” will appear on the display to indicate that Trial Operation mode is selected.)
(4) Trial operation mode terminates in approx. 30 minutes and switches into normal mode. To quit the trial operation, press
ON/OFF button.
Incoolingmode,selectthelowestprogrammabletemperature;inheatingmode,selectthehighestprogrammabletemperature.
•Trialoperationmaybedisabledineithermodedependingontheroomtemperature.
•Aftertrialoperationiscomplete,setthetemperaturetoanormallevel(79°F(26°C)to82°F(28°C)incoolingmode,68°F
(20°C)to75°F(24°C)inheatingmode).
•Forprotection,thesystemdisablesrestartoperationfor3minutesafteritisturnedoff.
(3)CarryoutthetestoperationinaccordancewiththeOperationManualtoensurethatallfunctionsandparts,areworking
properly.
*Theairconditionerrequiresasmallamountofpowerinitsstandbymode.Ifthesystemisnottobeusedforsometime
afterinstallation,shutoffthecircuitbreakertoeliminateunnecessarypowerconsumption.
*Ifthecircuitbreakertripstoshutoffthepowertotheairconditioner,thesystemwillrestoretheoriginaloperationmode
whenthecircuitbreakeristurnedonagain.
2.
Test items
Testitems
Symptom
(diagnosticdisplayonRC)
Indoorandoutdoorunitsareinstalledproperlyonsolidbases.
Fall,vibration,noise
Norefrigerantgasleaks.
Incompletecooling/heating
function
Refrigerantgasandliquidpipesandindoordrainhoseextension
arethermallyinsulated.
Waterleakage
Drainpipeisproperlyinstalled.
Waterleakage
Systemisproperlygrounded.
Electricalleakage
Thespecifiedwiresareusedforinterconnectingwireconnections.
Inoperativeorburndamage
Indoororoutdoorunit’sairinletordischargehasclearpathofair.
Shut-offvalvesareopened.
Incompletecooling/heating
function
Indoorunitproperlyreceivesremotecontrollercommands.
Inoperative
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Check
■English
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Two-dimensional bar code is a code
for manufacturing.
3P297301-3C M11B121B (1210)
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HT
10/26/2012 11:23:57 AM
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