P5415644
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IMPORTANT NOTICE
● HITACHIpursuesapolicyofcontinuingimprovementindesignandperformanceofproducts. 
Therightisthereforereservedtovaryspecicationswithoutnotice.
● HITACHIcannotanticipateeverypossiblecircumstancethatmightinvolveapotentialhazard.
● Thisheatpumpairconditionerisdesignedforstandardairconditioningonly.Donotusethisheatpump
airconditionerforotherpurposesuchasdryingclothes,refrigeratingfoodsorforanyothercoolingor
heatingprocess.
● Donotinstalltheunitinthefollowingplaces.Itmaycauseare,deformation,corrosionorfailure.
*whereoilvapororoilisdispersed(includingmachineryoil).
*wherealotofsuldegasdriftssuchasathotspring.
*whereinammablegasmaybegeneratedorowed.
*wherestrongsaltywindblowssuchascoastregions.
*withanatmosphereofacidityoralkalinity.
● Donotinstalltheunitintheplacewheresilicongasdrifts.Ifthesilicongasattachestothesurfaceofheat
exchanger,thensurfacerepelswater.Drainwatersplashesoutsideofthedrainpanandsplashedwater
runsinsideofelectricalbox.Itmaycausewaterleakageorelectricaldevicesfailure.
● Payattentiontothefollowingpointswhentheunitisinstalledinahospitalorotherfacilitieswhere
electromagneticwaveisgeneratedbyamedicalequipment.
*Donotinstalltheunitintheplacewheretheelectromagneticwaveisdirectlyradiatedtotheelectrical
box,remotecontrolcableorremotecontrolswitch.
*Installtheunitatleast3metersawayfromelectromagneticwaveradiatorssuchasaradio.
● Donotinstalltheunitintheplacewhereanimalsandplantsareexposedtothedirectblowingairfromthe
unit.Itcouldadverselyaffecttheanimalsandplants.
● Theinstallerandsystemspecialistshallcomplywithlocalregulationsorstandardsforthesafety. 
Thefollowingstandardsmaybeapplicable,iflocalregulationsarenotavailable. 
InternationalOrganizationforStandardization,ISO5149orEuropeanStandard,EN378orJapanStandard,
KHKS0010.
● Nopartofthismanualmaybereproducedwithoutwrittenpermission.
● ItisassumedthatthisheatpumpairconditionerwillbeoperatedandservicedbyEnglishspeakingpeople. 
Ifthisisnotthecase,thecustomershouldaddsafetysuchascautionandoperatingsignsinthenative
languagefornonEnglishspeakers.
● Ifyouhaveanyquestions,contactyourdistributorordealerofHITACHI.
● Thismanualshouldbeconsideredasapermanentpartoftheairconditioningequipmentandshould
remainwiththeairconditioningequipment.