1 ■English
Safety Precautions
•TheprecautionsdescribedhereinareclassiedasWARNINGandCAUTION.Theybothcontainimportantinforma-
tionregardingsafety.Besuretoobserveallprecautionswithoutfail.
•MeaningofWARNINGandCAUTIONnotices
WARNING ........
Failure to follow these instructions properly may result in personal injury or loss of life.
CAUTION .........
Failure to observe these instructions properly may result in property damage or personal injury, which
may be serious depending on the circumstances.
•Thesafetymarksshowninthismanualhavethefollowingmeanings:
Besuretofollowtheinstructions. Besuretoestablishanearthconnection. Neverattempt.
•Aftercompletinginstallation,conductatrialoperationtocheckforfaultsandexplaintothecustomerhowtooperate
theairconditionerandtakecareofitwiththeaidoftheoperationmanual.
WARNING
•Askyourdealerorqualiedpersonneltocarryoutinstallationwork.
Donotattempttoinstalltheairconditioneryourself.Improperinstallationmayresultinwaterleakage,electricshocksorre.
•Installtheairconditionerinaccordancewiththeinstructionsinthisinstallationmanual.
Improperinstallationmayresultinwaterleakage,electricshocksorre.
•Besuretouseonlythespeciedaccessoriesandpartsforinstallationwork.
Failuretousethespeciedpartsmayresultintheunitfalling,waterleakage,electricshocksorre.
•Installtheairconditioneronafoundationstrongenoughtowithstandtheweightoftheunit.
Afoundationofinsufcientstrengthmayresultintheequipmentfallingandcausinginjury.
•Electricalworkmustbeperformedinaccordancewithrelevantlocalandnationalregulationsandwithinstructions
inthisinstallationmanual.Besuretouseadedicatedpowersupplycircuitonly.
Insufciencyofpowercircuitcapacityandimproperworkmanshipmayresultinelectricshocksorre.
•Useacableofsuitablelength.
Donotusetappedwiresoranextensionlead,asthismaycauseoverheating,electricshocksorre.
•
Makesurethatallwiringissecured,thespeciedwiresareused,andthatthereisnostrainontheterminalconnectionsorwires.
Improperconnectionsorsecuringofwiresmayresultinabnormalheatbuild-uporre.
•Whenwiringthepowersupplyandconnectingthewiringbetweentheindoorandoutdoorunits,positionthewires
sothatthecontrolboxlidcanbesecurelyfastened.
Improperpositioningofthecontrolboxlidmayresultinelectricshocks,reoroverheatingterminals.
•Ifrefrigerantgasleaksduringinstallation,ventilatetheareaimmediately.
Toxicgasmaybeproducediftherefrigerantcomesintocontactwithre.
•Aftercompletinginstallation,checkforrefrigerantgasleakage.
Toxicgasmaybeproducediftherefrigerantgasleaksintotheroomandcomesintocontactwithasourceofre,suchasafanheater,stoveorcooker.
•Wheninstallingorrelocatingtheairconditioner,besuretobleedtherefrigerantcircuittoensureitisfreeofair,
anduseonlythespeciedrefrigerant(R410A).
Thepresenceofairorotherforeignmatterintherefrigerantcircuitcausesabnormalpressurerise,whichmayresultinequipmentdamageandeveninjury.
•Duringinstallation,attachtherefrigerantpipingsecurelybeforerunningthecompressor.
Iftherefrigerantpipesarenotattachedandthestopvalveisopenwhenthecompressorisrun,airwillbesuckedin,causingabnormal
pressureintherefrigerationcycle,whichmayresultinequipmentdamageandeveninjury.
•Duringpump-down,stopthecompressorbeforeremovingtherefrigerantpiping.
Ifthecompressorisstillrunningandthestopvalveisopenduringpump-down,airwillbesuckedinwhentherefrigerantpipingisremoved,
causingabnormalpressureintherefrigerationcycle,whichmayresultinequipmentdamageandeveninjury.
•Besuretoearththeairconditioner.
Donotearththeunittoautilitypipe,lightningconductorortelephoneearthlead.Imperfectearthingmayresultinelectricshocks.
•Besuretoinstallanearthleakagebreaker.
Failuretoinstallanearthleakagebreakermayresultinelectricshocksorre.
CAUTION
•Donotinstalltheairconditioneratanyplacewherethereisadangerofammablegasleakage.
Intheeventofagasleakage,build-upofgasneartheairconditionermaycausearetobreakout.
•Whilefollowingtheinstructionsinthisinstallationmanual,installdrainpipingtoensureproperdrainageand
insulatepipingtopreventcondensation.
Improperdrainpipingmayresultinindoorwaterleakageandpropertydamage.
•Tightenthearenutaccordingtothespeciedmethodsuchaswithatorquewrench.
Ifthearenutistootight,itmaycrackafterprolongeduse,causingrefrigerantleakage.
•
Makesuretoprovideforadequatemeasuresinordertopreventthattheoutdoorunitbeusedasashelterbysmallanimals.
Smallanimalsmakingcontactwithelectricalpartscancausemalfunctions,smokeorre.Pleaseinstructthecustomertokeeptheareaaroundtheunitclean.
•Thetemperatureofrefrigerantcircuitwillbehigh,pleasekeeptheinter-unitwireawayfromcopperpipesthatare
notthermallyinsulated.
01_EN_3P297037-2D.indd 1 11/1/2012 11:04:40 AM