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P5417025-rev.1

● Donotperforminstallationwork,refrigerantpipingwork,condensatepump,orcondensatepipingand

electricalwiringconnectionwithoutreferringtotheinstallationmanual.Iftheinstructionsarenotfollowed,

itmayresultinawaterleakage,electricshockorare.

● Usethespeciednon-ammablerefrigerant(R410A)fortheoutdoorunitintherefrigerantcycle.

ChargeonlyR410Aintotheunit.Donotchargeothermaterialsintotheunitsuchashydrocarbon

refrigerants(propane),oxygen,ammablegases(acetylene)orpoisonousgaseswheninstalling,

maintainingandmovingtheunit.Theseammablesareextremelydangerousandmaycausean

explosion,are,orinjury.Asoriginallymanufactured,thisunitcontainsrefrigerantinstalledbythe

manufactureroftheproduct.Themanufactureroftheproductusesonlyrefrigerantsthathavebeen

approvedforuseintheunit’sintendedcountryormarket.Distributorssimilarlyareonlyauthorized

toproviderefrigerantsthathavebeenapprovedforuseinthecountriesormarketstheyserve.The

refrigerantusedinthisunitisidentiedontheunit’sfaceplateand/orintheassociatedmanuals.Any

additionsofrefrigerantintothisunitmustcomplywiththecountry’srequirementswithregardtorefrigerant

useandshouldbeobtainedfromdistributors.Useofunapprovedrefrigerantsubstituteswillvoidthe

warrantiesandcancauseinjuryordeath.

● Donotpourwaterintotheindoororoutdoorunit.Theseunitsareequippedwithelectricalparts.

Exposuretowatermaycauseaseriouselectricalshock.

● DonotopentheservicecoveroraccesspanelfortheindoororoutdoorunitswithoutturningOFFthemain

powersupply.

● Donottouchoradjustsafetydevicesinsidetheindoorunitoroutdoorunits.Ifthesedevicesaretouched

orreadjusted,itmaycauseaseriousaccident.

● Carefullycheckforescapingrefrigerantgas.Ifthereissignicantleakage,itcancausedifcultyin

breathing.TurnOFFthemainswitch,andcontactyourservicecontractorifrefrigerantleakageoccurs.

● Makesurethattherefrigerantleakagetestisperformed.

Refrigerant(uorocarbon)forthisunitisincombustible,non-toxicandodorless.

Howeveriftherefrigerantisleakedandcomesincontactwithre,toxicgaswillgenerate.

Becauseuorocarbonisheavierthanair,theoorsurfacewillbelledwithit,whichcouldcause

suffocation.

● Theinstallerandsystemspecialistshallsecureagainstrefrigerantleakageaccordingtolocalregulations

orstandards.

● UseaEarthLeakageBreaker(ELB).

Intheeventoffault,thereisdangerofanelectricshockorareifitisnotused.

DANGER

SAFETY SUMMARY

Hitachi CH-Box User Manual

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