Hitachi CH-Box Manuel utilisateur
P5417025
FAN-2213 201711
Models:
CH-AP04MSSX
CH-AP08MSSX
CH-AP12MSSX
CH-AP16MSSX
JCH-AP04MSSX
JCH-AP08MSSX
JCH-AP12MSSX
JCH-AP16MSSX
Installation
Manual
for
Cooling / Heating
Change-Over Box
CH-Box
IMPORTANT:
READ AND UNDERSTAND
THIS MANUAL CAREFULLY
BEFORE INSTALLING
THIS CH-BOX.
KEEP THIS MANUAL FOR
FUTURE REFERENCE.
P5417025-rev.1 i
Interchangeability between Current and New CH-Boxes
● NewCH-Boxiscompatibleforthenewoutdoorunit.
CurrentCH-Boxiscompatibleforthenewoutdoorunitwithlimitation.
RefertotheTechnicalManualfortheoutdoorunitformoredetails.
CurrentoutdoorunitiscompatiblewithcurrentCHunitonly.
(WhentheNewCH-BoxisconnectedtocurrentVRFoutdoorunit,theunitwillnotoperateandthewired
controllerwilldisplaythealarmcode“C4“.)
4:Available
×:NotAvailable
● CurrentandnewCH-Boxescannotbeusedinthesamesystemtogether.
● ProductionofcurrentCHunitshallbediscontinued.However,itwillbesuppliedforservicingand
maintenanceuntilfurthernotice.ContactusifthereareorderrequestforthecurrentCHunit.
CurrentCHUnit 4
4
4
4
4
4
×
×
NewCH-Box
CurrentVRF(HeatRecovery)
NewVRF(HeatRecovery)
ii P5417025-rev.1
IMPORTANT NOTICE
● Theapplicableoutdoorunitmaybedifferentdependingontheproductseries.
Impropercombinationcausestheunittomalfunctionandanalarmwillbetriggered.Besuretoconrm
withtheproductcataloguebeforeinstallation.
● Themanufactureroftheproductpursuesapolicyofcontinuousimprovementinthedesignand
performanceofproductstomeetregulatoryrequirementsandindustrystandards.Therefore,the
manufacturerreservestherighttorevisespecicationswithoutnotice.
● Themanufactureroftheproductcannotanticipateeverypossiblecircumstancethatmightinvolvea
potentialhazard.
● Thisheatpumpairconditionerisdesignedforstandardairconditioningapplicationsonly.Donotusethis
heatpumpairconditionerforotherpurposes,suchasdryingclothes,refrigeratingfoods,orforanyother
coolingorheatingprocess.
● Donotinstalltheunitoutdoors.Donotinstalltheunitinthefollowingplaces.Itmaycauseare,
deformation,corrosionorfailure.
*Placeswheretherearehighlevelsofoilmist(includingmachineryoil).
*Placeswheretherearehighalkalinitylevels(i.e.,chlorineorbrominesuchasoverhottubs,etc.).
*Placeswhereammablegasesorliquidsmaybeusedorgenerated.
*Placeswithahighconcentrationofsalts,saltymistsorsprays(suchasoversalt-wateraquariums).
*Placeswithanatmosphereofhighnuisancedust.Placeswithorganicsolventatmospheres,suchas
paintingandcleaninglocations.
● Donotinstallaunitintheplacewherecondensatewatercanleakontotheunitorelectricaldevicefailures
mayoccur.
● Payattentiontothefollowingpointswhentheunitisinstalledinahospitalorotherfacilitywhere
electromagneticwavesgeneratefrommedicalequipment.
*Donotinstalltheunitinplaceswhereelectromagneticwavesradiatetotheelectricalbox,wiredcontroller
cableorwiredcontroller.
*Installtheunitatleast3m(10ft)awayfromelectromagneticwavesorinterferencessuchasaradio.
● Theinstallerandsystemspecialistshallsecureagainstleakageaccordingtolocalregulationsor
standards.Thissystemhasbothhighandlowpressurerefrigerantand,assuch,comprisesapressurized
system.Neverloosenthreadedjointswhilethesystemisunderpressureandneveropenpressurized
systemparts.
● Nopartofthismanualmaybereproducedwithoutwrittenpermission.
● ItisassumedthatthisheatpumpairconditionerwillbeoperatedandservicedbyEnglishspeakingpeople.
Ifthisisnotthecase,thedistributorordealercanprovideoraddsafety,cautionandoperatingsignsinthe
nativelanguage.
● Ifyouhaveanyquestions,contactyourdistributor.
● Thismanualdescribesthefeaturesofthisheatpumpairconditioneraswellasforothermodels.
Thismanualshouldbeconsideredasapermanentpartoftheairconditioningequipmentandshouldremain
withtheairconditioningequipment.
P5417025-rev.1 iii
SAFETY SUMMARY
SignalWords
● Signalwordsareusedtoidentifylevelsofhazardseriousness.
Denitionsforidentifyinghazardlevelsareprovidedbelowwiththeirrespectivesignalwords.
: DANGERindicatesahazardoussituationwhich,ifnotavoided,
willresultindeathorseriousinjury.
: WARNINGindicatesahazardoussituationwhich,ifnotavoided,
couldresultindeathorseriousinjury.
: CAUTIONusedwiththesafetyalertsymbol,indicatesahazardoussituationwhich,
ifnotavoided,couldresultinminorormoderateinjury.
: NOTICEisusedtoaddresspracticesnotrelatedtopersonalinjury.
: NOTEisusefulinformationforoperationormaintenance.
DANGER
WARNING
CAUTION
NOTICE
NOTE
CHECKING PRODUCT RECEIVED
● Uponreceivingthisproduct,inspectitforanyshippingdamage.
Inspectallelectricalconnections.Connectionsmustbecleanandtightattheterminals.
Claimsfordamageeitherapparentorconcealed,shouldbeledimmediatelywiththeshippingcompany.
NOTE:Roughhandlingmaydislocateinternalcomponents.
● Checkthemodelnumber,electricalcharacteristics(powersupply,voltageandfrequency)andaccessories
todetermineiftheyarecorrectwiththeorderingandshippinginformation,toensurethecorrectunithas
beenshipped.
Tominimizethepossibilityofdamageafterinspection,theunitsshouldbeinstalledandreassembledas
soonaspossible.
Thestandardinstallationandgeneraluseofthisunitisexplainedinthismanual.
Althoughcommonprocessesandproceduresforinstallingunitsarepresentedinthismanual,itsusefor
installationofunitsotherwiseindicatedinthismanualisnotrecommended.Pleasecontactyourlocalagent,
astheoccasionarises.
Ourliabilityshallnotcoverdefectsarisingfromthealterationperformedbyacustomerwithoutourconsentin
awrittenform.
iv P5417025-rev.1
● Donotperforminstallationwork,refrigerantpipingwork,condensatepump,orcondensatepipingand
electricalwiringconnectionwithoutreferringtotheinstallationmanual.Iftheinstructionsarenotfollowed,
itmayresultinawaterleakage,electricshockorare.
● Usethespeciednon-ammablerefrigerant(R410A)fortheoutdoorunitintherefrigerantcycle.
ChargeonlyR410Aintotheunit.Donotchargeothermaterialsintotheunitsuchashydrocarbon
refrigerants(propane),oxygen,ammablegases(acetylene)orpoisonousgaseswheninstalling,
maintainingandmovingtheunit.Theseammablesareextremelydangerousandmaycausean
explosion,are,orinjury.Asoriginallymanufactured,thisunitcontainsrefrigerantinstalledbythe
manufactureroftheproduct.Themanufactureroftheproductusesonlyrefrigerantsthathavebeen
approvedforuseintheunit’sintendedcountryormarket.Distributorssimilarlyareonlyauthorized
toproviderefrigerantsthathavebeenapprovedforuseinthecountriesormarketstheyserve.The
refrigerantusedinthisunitisidentiedontheunit’sfaceplateand/orintheassociatedmanuals.Any
additionsofrefrigerantintothisunitmustcomplywiththecountry’srequirementswithregardtorefrigerant
useandshouldbeobtainedfromdistributors.Useofunapprovedrefrigerantsubstituteswillvoidthe
warrantiesandcancauseinjuryordeath.
● Donotpourwaterintotheindoororoutdoorunit.Theseunitsareequippedwithelectricalparts.
Exposuretowatermaycauseaseriouselectricalshock.
● DonotopentheservicecoveroraccesspanelfortheindoororoutdoorunitswithoutturningOFFthemain
powersupply.
● Donottouchoradjustsafetydevicesinsidetheindoorunitoroutdoorunits.Ifthesedevicesaretouched
orreadjusted,itmaycauseaseriousaccident.
● Carefullycheckforescapingrefrigerantgas.Ifthereissignicantleakage,itcancausedifcultyin
breathing.TurnOFFthemainswitch,andcontactyourservicecontractorifrefrigerantleakageoccurs.
● Makesurethattherefrigerantleakagetestisperformed.
Refrigerant(uorocarbon)forthisunitisincombustible,non-toxicandodorless.
Howeveriftherefrigerantisleakedandcomesincontactwithre,toxicgaswillgenerate.
Becauseuorocarbonisheavierthanair,theoorsurfacewillbelledwithit,whichcouldcause
suffocation.
● Theinstallerandsystemspecialistshallsecureagainstrefrigerantleakageaccordingtolocalregulations
orstandards.
● UseaEarthLeakageBreaker(ELB).
Intheeventoffault,thereisdangerofanelectricshockorareifitisnotused.
DANGER
SAFETY SUMMARY
P5417025-rev.1 v
SAFETY SUMMARY
WARNING
● Donotuseanysprayssuchasinsecticide,lacquer,hairsprayorotherammablegaseswithin
approximately1.3m(4ft)fromthesystem.
● Ifthecircuitbreakerorfuseisoftenactivated,stopthesystemandcontactyourservicecontractor.
● Checkthatthegroundwiringissecurelyconnected.Iftheunitisnotcorrectlygrounded,itmaycause
electricshock.Donotconnectthegroundwiringtogaspiping,condensatepiping,lightingconductoror
groundwiringfortelephones.
● Beforeperforminganybrazingwork,checktoensurethatthereisnoammablematerialaround.
Whenusingrefrigerant,besuretowearleatherglovestopreventinjuryfromcold.
● Insulateelectricalwiring,condensatepiping,andelectricalcomponentsfromthreatsposedbyburrowing
animalsandtemperatureextremes.Failuretodosocan,overtime,deterioratesystemperformance.
● Securethecables.Externalforcesontheterminalscouldleadtoare.
● Tightenthearenutwithatorquewrenchinthespeciedmanner.Donotapplyexcessiveforcetothe
arenutwhentightening.Ifyoudo,thearenutcancrackandrefrigerantleakagemayoccur.
● Whenmaintaining,relocatingordisposingoftheunit,dismantletherefrigerantpipingafterthecompressor
stops.
● Highlydangerouselectricalvoltagesareusedinthissystem.Carefullyrefertothewiringdiagramand
theseinstructionswhenwiring.Improperconnectionsandinadequategroundingcancauseseriousinjury
ordeath.
● Performallelectricalworkinstrictaccordancewiththisinstallationandmaintenancemanualandall
relevantregulatorystandards.
● Usespeciedcablesbetweenunits.
● Besuretoinstallcircuitbreakers(groundfaultinterrupter,isolatingswitch,moldedcasecircuitbreaker
andsoon),withthespeciedcapacity.Ensurethatthewiringterminalsaretightenedsecurelyto
recommendedtorquespecications.Ifacircuitbreakerorfuseisfrequentlyactivated,shutdownthe
systemandcontactyourservicecontractor.
● Clampelectricalwiressecurelywithacableclampafterallwiringisconnectedtotheterminalblock.
Inaddition,runwiressecurelythroughthewiringaccesschannel.
● Wheninstallingthepowerlines,donotapplytensiontothecables.Securethesuspendedcablesat
regularintervals,butnottootightly.
● Afterstoppingoperation,besuretowaitatleastveminutesbeforeturningoffthemainpowerswitch.
Otherwise,waterleakageorelectricalbreakdownmayresult.Disconnectthepowersupplycompletely
beforeattemptinganymaintenanceforelectricalparts.Checktoensurethatnoresidualvoltageispresent
afterdisconnectingthepowersupply.
● Insulatetherefrigerantpipeconnectiontopreventcondensation.
● Besuretoattachthecoversothatittssecurelyontheelectricalboxwithoutanygaps.Securethecover
withscrews.
vi P5417025-rev.1
NOTICE
● Becarefulthatmoisture,dust,orvariantrefrigerantcompoundsnotentertherefrigerantsystemduring
installationwork.Foreignmattercoulddamageinternalcomponentsorcauseblockages.
● Donotinstalltheindoorunit,outdoorunit,wiredcontrollerandcablewithinapproximately3m(10ft)of
strongelectromagneticwaveradiatorssuchasmedicalequipment.
● Afteralongshutdown,applypowertotheoutdoorunit(s)atleast12hourspriortooperationofthesystem
forpreheatingofthecompressoroil.
NOTE
● Itisrecommendedthattheroomisventilatedeverythreetofourhours.
● Theheatingcapacityoftheheatpumpunitisdecreasedaccordingtotheoutdoorairtemperature.
Therefore,itisrecommendedthatauxiliaryheatingequipmentbeusedintheeldwhentheunitis
installedinalowtemperatureregion.
● Donotstepontheunit.
● Donotputanyforeignmaterialontheunitorinsidetheunit.
● Provideastrongandcorrectfoundationsothat:
●Theoutdoorunitisnotonanincline.
●Abnormalsounddoesnotoccur.
●Theoutdoorunitwillnotfalldownduetoastrongwindorearthquake.
CAUTION
P5417025-rev.1 vii
TABLE OF CONTENTS
1. SafetySummary .............................................................................................................................................1
2. Structure .........................................................................................................................................................1
2.1 Dimensions.............................................................................................................................................1
2.2 RefrigerationCycle.................................................................................................................................4
2.3 NecessaryToolsandInstrumentListforInstallation ..............................................................................5
3. TransportationandHandling...........................................................................................................................6
3.1 Transportation ........................................................................................................................................6
3.2 HandlingofCH-Box................................................................................................................................6
3.3 CombinationofCH-BoxandIndoorUnit ................................................................................................6
4. CH-BoxInstallation .........................................................................................................................................7
4.1 Factory-SuppliedAccessories ................................................................................................................7
4.2 InitialCheck............................................................................................................................................8
4.3 SuspensionBolts....................................................................................................................................9
4.4 Installation ............................................................................................................................................10
4.4.1 MarkingofthePositionsoftheSuspensionBoltsandWiringConnections ...............................10
4.4.2 MountingandHangingtheCH-Box............................................................................................10
5. RefrigerantPipingWork................................................................................................................................ 11
5.1 RefrigerantPiping................................................................................................................................. 11
5.2 RefrigerantPipingWork .......................................................................................................................13
6. ElectricalWiring ............................................................................................................................................21
6.1 GeneralCheck .....................................................................................................................................21
6.2 ElectricalWiringConnection ................................................................................................................22
6.3 ElectricalWiring....................................................................................................................................24
6.4 SettingofDIPSwitches........................................................................................................................25
7. TestRun........................................................................................................................................................26
8. SafetyandControlDeviceSetting ................................................................................................................27
viii P5417025-rev.1
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