En-2
2.3. For authorized service personnel only
WARNING
•Fortheairconditionertooperatesatisfactorily,installitasoutlinedinthisinstallation
manual.
•Connecttheindoorunitandoutdoorunitwiththeairconditionerpipingandcables
availablefromyourlocaldistributor.Thisinstallationmanualdescribesthecorrect
connectionsusingtheinstallationsetavailablefromyourlocaldistributor.
•Installationworkmustbeperformedinaccordancewithnationalwiringstandardsby
authorizedpersonnelonly.
•Donotturnonthepoweruntilallinstallationworkiscomplete.
CAUTION
Thisinstallationmanualdescribeshowtoinstalltheindoorunitonly.
Toinstalltheoutdoorunit,refertotheinstallationmanualincludedwiththeoutdoorunit.
• Becarefulnottoscratchtheairconditionerwhenhandlingit.
2.4. Accessories
Thefollowinginstallationaccessoriesaresupplied.Usethemasrequired.
Name and Shape
Q’ty
Name and Shape
Q’ty
OperatingManual
1
Clothtape
1
InstallationManual
(Thismanual)
1
SealA
Itisusedwhenthediameterof
gaspipeisØ12.70ormore.
ItisnecessarywhenusingAS14.
1
Wallhookbracket
1
Tappingscrews
(large)
5
Remotecontroller
1
Tappingscrews
(small)
2
Battery
2
Aircleaningfilter
2
Remotecontrollerholder
1
Filterholders
2
Thefollowingitemsarenecessarytoinstallthisairconditioner.(Theitemsarenotinclud-
edwiththeairconditionerandmustbepurchasedseparately.)
Name Q’ty Name Q’ty
Connectionpipeassembly 1 Wallcap 1
Connectioncable(4-conductor)
1 Saddle 1set
Wallpipe 1 Drainhose 1
Decorativetape 1 Tappingscrews 1set
Vinyltape 1 Sealant 1
2.5. Optional parts
Refertoeachinstallationmanualforthemethodofinstallingoptionalparts.
Parts name Model No. Application
WiredRemoteController* UTY-RVNÜM Forairconditioneroperation
WiredRemoteController* UTY-RNNÜM Forairconditioneroperation
SimpleRemoteController* UTY-RSNÜM Forairconditioneroperation
Externalconnectkit* UTY-XWZXZ5 Forcontrolinput/outputport
Communicationkit UTY-XCBXZ2 Fortheinstallationofoptionalparts
*Optionalcommunicationkitisnecessaryfortheinstallation.
3. GENERAL SPECIFICATION
ThisINSTALLATIONMANUALbrieyoutlineswhereandhowtoinstalltheairconditioningsystem.
Pleasereadovertheentire setofinstructionsfortheindoorand outdoor unitsandmakesureall
accessorypartslistedarewiththesystembeforebeginning.
3.1. Type of copper pipe and insulation material
CAUTION
Refertotheinstallationmanualfortheoutdoorunitfordescriptionofallowablepipelength
andheightdifference.
Model
Gas pipe size (thickness)
[mm]
Liquid pipe size (thickness)
[mm]
7,9,12
Ø
9.52(0.8)
Ø
6.35(0.8)
14
Ø
12.70(0.8)
Ø
6.35(0.8)
CAUTION
•Installheatinsulationaroundboththegasandliquidpipes.Failuretodosomay
causewaterleaks.
•
Useheatinsulationwithheatresistanceabove120°C.Reversecyclemodelonly)
•Inaddition,ifthehumiditylevelattheinstallationlocationoftherefrigerantpipingis
expectedtoexceed70%,installheatinsulationaroundtherefrigerantpiping.Ifthe
expectedhumiditylevelis70-80%,useheatinsulationthatis15mmorthickerandif
theexpectedhumidityexceeds80%,useheatinsulationthatis20mmorthicker.
•
I
fheatinsulationisusedthatisnotasthickasspecied,condensationmayformon
thesu
rfaceoftheinsulation.
•Inaddition,useheatinsulationwithheatconductivityof0.045W/(m•K)orless20°C.
3.2. Additional materials required for installation
A.Refrigeration(armored)tape
B.Insulatedstaplesorclampsforconnectingwire(Seeyourlocalelectricalcodes.)
C.Putty
D.Refrigerationlubricant
E.Clampsorsaddlestosecurerefrigerantpiping
4. ELECTRICAL REQUIREMENT
Theindoorunitispoweredfromtheoutdoorunit.Donotpowerindoorunitfromseparate
powersource.
WARNING
Refertolocalcodesforacceptablecabletype.
Cable
Cable size
Remarks
Connectioncable
Type60245IEC57
(1.5mm
2
)
3cable+Ground,1.5Ø230V
CableLength:Limitvoltagedroptolessthan2%.Increasecablegaugeifvoltagedropis
2%ormore.
5. SELECTING THE MOUNTING POSITION
Decidethemountingpositionwiththecustomerasfollows:
5.1. Indoor unit
(1) Installtheindoorunitlevelonastrongwallwhichisnotsubjecttovibration.
(2) Theinletandoutletportsshouldnotbeobstructed:theairshouldbeabletoblowall
overtheroom.
(3)
Installtheunitadedicatedelectricalbranchcircuit.
(4)
Donotinstalltheunitwhereitwillbeexposedtodirectsunlight.
(5)
Installtheunitwhereconnectiontotheoutdoorunitiseasy.
(6) Installtheunitwherethedrainpipecanbeeasilyinstalled.
(7) Takeservicing,etc.intoconsiderationandleavethespacesshownin[6.1.Installation
dimensions].Alsoinstalltheunitwheretheltercanberemoved.
Correctinitialinstallationlocationisimportantbecauseitisdifculttomoveunitafteritis
installed.
WARNING
Selectinstallationlocationsthatcanproperlysupporttheweightoftheindoorunit.
Installtheunitssecurelysothattheydonottoppleorfall.
CAUTION
Donotinstalltheunitinthefollowingareas:
•Areawithhighsaltcontent,suchasattheseaside.Itwilldeterioratemetalparts,caus-
ingthepartstofailortheunittoleakwater.
•Arealledwithmineraloilorcontainingalargeamountofsplashedoilorsteam,such
asakitchen.
Itwilldeteriorateplasticparts,causingthepartstofailortheunittoleakwater.
•Areathatgeneratessubstancesthatadverselyaffecttheequipment,suchassulfuric
gas,chlorinegas,acid,oralkali.
Itwillcausethecopperpipesandbrazedjointstocorrode,whichcancauserefrigerant
leakage.
•Areathatcancausecombustiblegastoleak,containssuspendedcarbonbersor
ammabledust,orvolatileinammablessuchaspaintthinnerorgasoline.
•Ifgasleaksandsettlesaroundtheunit,itcancauseare.
•Areawhereanimalsmayurinateontheunitorammoniamaybegenerated.
•Donotusetheunitforspecialpurposes,suchasstoringfood,raisinganimals,grow-
ingplants,orpreservingprecisiondevicesorartobjects.
•Itcandegradethequalityofthepreservedorstoredobjects.
•Donotinstallwherethereisthedangerofcombustiblegasleakage.
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