MAXA CALIDO 110 User manual
WALL‐MOUNTEDDOMESTICHOTWATERHEATPUMP
WITHSTORAGETANK
USER’S‐INSTALLER’SMANUAL
Model
CALIDO110
Thismanualhasbeencreatedforinformativepurpose.Thecompanydeclinesanyresponsibilityfortheresultsofanyprojectingoranyinstallationbasedontheexplanationsand/oronthetechnicalspecifications
providedinthismanual.Itisbesidesforbiddenthereproductionunderanyformofthetextsandofthefigurescontainedinthismanual.
"Thismanualisatranslationfromtheofficialitalianlanguageversion.ForreasonsofenvironmentalrespecttheCompanywillnotprovidethehardcopyintheoriginallanguagewhichcouldbedirectlyrequestedor
downloadedfromtheCompanywebsiteatanytime.Incaseofanydispute,theoriginallanguagemanualwillbethetrustedone".
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0210‐2020A.R.A.R.Updateoftechnicaldataandproductfiche
0101‐2020A.R.A.R.Phonenumberaddedonthedeclarationofconformity
0004‐2019AL.BA.R.Firstrelease
RevDateEditedbyApprovedbyNotes
Catalogo/Catalogue/Katalog/Catalogue
MUI01110L8420‐02
Serie/Series/Serie/Serie/Série
SANITARYWATERHEATPUMP
Possiblewastedelectricalorelectronicdevices/productsshouldnotbelocatedtogetherwithnormaldomesticwaste,butdisposedaccordingtothe
currentWEEElawincompliancewiththeEuropeanDirective2012/19/UE.PleaseinformyourselfatyourlocalAdministrationoratyourresellerincase
theproductwillbereplacedwithasimilarone.
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ADVANTIXSPA‐ViaSanGiuseppeLavoratore,24‐Loc.LaMacia‐37040‐Arcole‐Verona‐Italy‐e‐mail:[email protected]t–Tel.+390457636585
DICHIARAZIONEDICONFORMITÀ
DECLARATIONOFCONFORMITY
UEBEREINSTIMMUNGSERKLAERUNG
DECLARATIONDECONFORMITE
DECLARACIÒNDEHOMOLOGACIÒN
DICHIARIAMOSOTTOLANOSTRASOLARESPONSABILITÀCHELAMACCHINAWEDECLARE
UNDEROURSOLERESPONSABILITYTHATTHEMACHINE
WIRERKLÄRENAUFUNSEREALLEINIGEVERANTWORTUNG,DAßDIEMASCHINENOUSDECLARONS
SOUSNOTRESEULERESPONSABILITEQUELAMACHINE
ELFABRICANTEDECLARABAJOSUEXCLUSIVARESPONSABILIDADQUELAMÁQUINA
DESCRIZIONE
DESCRIPTION
BESCHREIBUNG
DESCRIPTION
DESCRIPCION
PompadicaloreperACSconserbatoiointegrato
Heatingpumpforhotsanitarywaterproductionwithintegratedtank
Bombadecalorparalaproducciòndeaguacalientecontanqueintegrada
Pompeàchaleurpourproductioneauchaudesanitaireavecréservoirdestockageintégré
WärmepumpefürWarmwasserzeugungmitintegrierteSpeicher
ANNODlFABBRICAZIONE/YEAROFMANUFACTUREBAUJAHR/ MATRICOLA/SERIALNo./LAUFENDENUMMER
ANNEEDEFABRICATION/AÑODEFABRICACIÓNNUMÉRODESÉRIE/NÚMERODESERIE
2020
MODELLO/MODEL/MODELL/MODÈLE/MODELO
CALIDO110
- RISULTAINCONFORMITÀCONQUANTOPREVISTODALLESEGUENTIDIRETTIVECOMUNITARIEECONLARELATIVALEGISLAZIONE
NAZIONALEDIRECEPIMENTO:2014/30/UE,2014/35/UE
EVENTUALIALTREDIRETTIVEEUROPEEENORMEARMONIZZATEAPPLICATEALL’ATTREZZATURA:EMC2004/108/EC;IEC60335‐2‐
21;IEC60335‐2‐40;EN55014‐1;EN61000‐3‐2;EN61000‐3‐11.
- ISINCOMPLIANCEWITHTHEFOLLOWINGEECDIRECTIVESANDTHERELEVANTNATIONALGRANTINGREGULATIONSINFORCE:
2014/30/UE,2014/35/UE
OTHERSEUROPEANDIRECTIVESANDHARMONIZEDSTANDARDSAPPLIEDTOTHEEQUIPMENT:EMC2004/108/EC;IEC60335‐2‐21;
IEC60335‐2‐40;EN55014‐1;EN61000‐3‐2;EN61000‐3‐11.
- ESTCONFORMEAVECLESDIRECTIVESCEESUIVANTESETLESLOISNATIONALESD'ACCUEIL2014/30/UE,2014/35/UE
AUTRESÉVENTUELLESDIRECTIVESEUROPÉENNESETNORMESHARMONISÉESAPPLIQUÉESÀL'ÉQUIPEMENT:EMC2004/108/EC;
IEC60335‐2‐21;IEC60335‐2‐40;EN55014‐1;EN61000‐3‐2;EN61000‐3‐11.
- ESTÀHOMOLOGADOENCUANTOPREVISTODELASSIGUENTESDIRECTRICESCOMUNITAREASYCONLARELATIVALEGISLACIONNACIONAL
DERECEPCIÒN:2014/30/UE,2014/35/UE
OTRASDIRECTIVASEUROPEASYNORMASARMONIZADASAPLICADASALEQUIPAMIENTO:EMC2004/108/EC;IEC60335‐2‐21;
IEC60335‐2‐40;EN55014‐1;EN61000‐3‐2;EN61000‐3‐11.
- NACHDEMCEE‐NORMEN,SOWIEDERENTSPRECHENDENANGEWENDETSTAATSGESEZTGEBUNG,DASSHEISST:2014/30/UE,2014/35/UE
EVENTUELLEWEITEREFÜRDASGERÄTANGEWANDTEEUROPÄISCHERICHTLINIENUNDHARMONISIERTENORMEN:EMC2004/108/EC;
IEC60335‐2‐21;IEC60335‐2‐40;EN55014‐1;EN61000‐3‐2;EN61000‐3‐11.
NOME / NAME / VORNAME / NOM / NOMBRE PAOLO
COGNOME / SURNAME / NACHNAME / PRENOM / APELLIDO FERROLI
POSIZIONE / COMPANY POSITION / POSITION / FONCTION / POSICION RESP. TECNICO
ARCOLE, 01.2019
CODICEABARRE
BARCODE
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INDEX
1PURPOSESANDCONTENTSOFTHEMANUAL......................................................................................................................6
1.1CONSERVATIONOFTHEMANUAL..........................................................................................................................................6
1.2GRAPHICSYMBOLSUSEDINTHEMANUAL............................................................................................................................6
2SAFETYLAWS.....................................................................................................................................................................6
3PERMITTEDUSE.................................................................................................................................................................6
4GENERALSAFETYGUIDELINES............................................................................................................................................7
4.1WORKERS’HEALTHANDSAFETY............................................................................................................................................7
4.2PERSONALSAFETYEQUIPMENTS...........................................................................................................................................7
4.3SAFETYSYMBOLS...................................................................................................................................................................7
4.4REFRIGERANTSAFETYDATASHEET........................................................................................................................................8
5GENERALCHARACTERISTICS..............................................................................................................................................11
5.1FLEXIBILITYANDBENEFITSOFCALIDOINSTALLATION.........................................................................................................11
5.2COMPACTDESIGN................................................................................................................................................................11
5.3AVAILABLEACCESSORIES.....................................................................................................................................................11
6TECHNICALFEATURES.......................................................................................................................................................11
7ITEMSINSIDETHEPACKING‐BOX.......................................................................................................................................12
8OVERVIEWOFTHEUNIT....................................................................................................................................................13
8.1HYDRAULICCONNECTIONS..................................................................................................................................................13
8.2DIMENSIONS........................................................................................................................................................................13
8.3ACCESSTOTHEFRONTPART................................................................................................................................................14
8.4ACCESSTOTHEBOTTOMPART............................................................................................................................................14
8.5HOWTOREPLACETHEMAGNESIUMANODE.......................................................................................................................14
8.6REGULATIONTHERMOSTATOFTHEELECTRICHEATER........................................................................................................15
8.7SCHEMATICOVERVIEWOFTHEWATERANDGASCIRCUIT..................................................................................................15
9INSTALLATION...................................................................................................................................................................15
9.1GENERALITY.........................................................................................................................................................................15
9.2SAFETYINSTRUCTIONS.........................................................................................................................................................15
9.2.1Warnings......................................................................................................................................................................16
9.2.2Cautions........................................................................................................................................................................16
9.3HANDLINGOFTHEUNIT.......................................................................................................................................................16
9.3.1Handlingoftheunitwithforklift..................................................................................................................................16
9.3.2Manualhandlingoftheunit.........................................................................................................................................16
9.4WALLMOUNTING................................................................................................................................................................17
9.5REQUIREDSERVICESPACE....................................................................................................................................................18
9.6INSTALLATIONOVERVIEW...................................................................................................................................................19
9.7HYDRAULICCONNECTIONS..................................................................................................................................................20
9.7.1Waterconnections.......................................................................................................................................................20
9.7.2Waterloading...............................................................................................................................................................20
9.7.3Unloadofwaterfromthetank.....................................................................................................................................21
9.8ELECTRICALCONNECTIONS..................................................................................................................................................21
10STARTUP..........................................................................................................................................................................21
11APPLIANCEOPERATION.....................................................................................................................................................22
11.1USERINTERFACE..................................................................................................................................................................22
11.2OPERATION..........................................................................................................................................................................22
11.3LCDICONS..............................................................................................................................................................................24
11.4MAINLOGICSOFOPERATION..............................................................................................................................................24
11.4.1Automode....................................................................................................................................................................25
11.4.2Greenmode..................................................................................................................................................................25
11.4.3Boostmode...................................................................................................................................................................25
11.4.4E‐heatermode..............................................................................................................................................................25
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11.4.5FanMode.....................................................................................................................................................................25
11.4.6Operationicons............................................................................................................................................................25
11.5AUXILIARYCONTROLLOGICS...............................................................................................................................................25
11.5.1Thermalprotections.....................................................................................................................................................25
11.5.2Disinfectionweeklycycle(Anti‐legionella)...................................................................................................................25
11.5.3ON/OFFcontact............................................................................................................................................................26
11.5.4Contactforphotovoltaicplantintegration...................................................................................................................27
11.5.5Defrostingcycle............................................................................................................................................................27
11.5.6Anti‐freezeprotection..................................................................................................................................................27
11.6PARAMETERS’CONTROLANDSETTING...............................................................................................................................28
11.7MALFUNCTIONINGOFTHEUNITANDERRORCODES..........................................................................................................29
12MAINTENANCEANDPERIODICALCONTROLS.....................................................................................................................30
12.1ENVIRONMENTALPROTECTION...........................................................................................................................................30
13TROUBLESHOOTING..........................................................................................................................................................31
14DISPOSALREQUIREMENTS................................................................................................................................................31
15TECHNICALCHARACTERISTICS...........................................................................................................................................32
16WORKINGLIMITSOFHEATPUMP.....................................................................................................................................33
17WIRINGDIAGRAM............................................................................................................................................................34
18FICHEACCORDINGTOREGULATION(EU)NO812/2013......................................................................................................35
19TECHNICALPARAMETERSACCORDINGTOREGULATION(EU)NO814/2013.......................................................................35
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Thismanualcollectsallrelevantinformationfortheuseoftheapparatusinbestwayandunderoperators’safetyconditions.
1PURPOSESANDCONTENTSOFTHEMANUAL
Thismanualprovidestherequiredinformationasfortheinstallation,operationandmaintenanceofCALIDOunits.Itisaddressed
tothemachine’soperatorsenablingthemtousetheequipmentefficiently,evenifwithouthavinganypreviousspecific
knowledgeoftheapparatus.
Thismanualdescribesthecharacteristicsoftheequipmentwhenitisbeingputonthemarket;therefore,itmaynotcapturelater
technologicalimprovementsintroducedbythecompanyaspartofitsconstantendeavourtoenhancetheperformance,
ergonomics,safetyandfunctionalityofitsproducts.
Thecompany,therefore,isnotconstrainedtoupdatethemanualsforpreviousversionsofmachines.
It’srecommendedthattotheusertofollowtheinstructionscontainedinthisbooklet,especiallythoseconcerningthesafetyand
routinemaintenance.
1.1 CONSERVATIONOFTHEMANUAL
Themanualhastobealwayskeptasreferenceoftheappliance.Ithastobestoredinasafeplace,awayfromthedustand
moisture.Ithastobeaccessibletoalluserswhoshallconsultitanytimetheyareindoubtonhowtooperatetheequipment.
Thecompanyreservestherighttomodifyitsproductsandrelatedmanualswithoutnecessarilyupdatingpreviousversionsofthe
referencematerial.Itassumesnoresponsibilityforanyinaccuraciesinthemanual,ifduetoprintingortranscription.
Thecustomershallstoreanyupdatedcopyofthemanualorpartsofitdeliveredbythemanufacturerasanattachmenttothis
manual.
Thecompanyisavailabletogiveanydetailedinformationaboutthismanualandtoprovideinformationregardingtheuseandthe
maintenanceofitsownappliances.
1.2 GRAPHICSYMBOLSUSEDINTHEMANUAL
Indicatesoperationsthatcanbedangerousforpeopleand/ordisruptthecorrectoperationoftheequipment.
Indicatesprohibitedoperations.
Indicatesimportantinformationthattheoperatorhastofollowinordertoguaranteethecorrectoperationofthe
equipmentincompletesafety.Itindicatesalsogeneralnotes.
2SAFETYLAWS
CALIDOunitshavebeendesignedincompliancewiththefollowingDirectivesandHarmonisedNorms:
CommunityDirectives:2014/30/UE,2014/35/UE;
Norms:EMC2004/108/EC;IEC60335‐2‐21;IEC60335‐2‐40;EN55014‐1;EN61000‐3‐2;EN61000‐3‐11;
3PERMITTEDUSE
Thecompanyexcludesanycontractualandno‐contractualliabilityfordamagescausedtopersons,animalsorthings,by
incorrectinstallation,adjustmentandmaintenance,improperuseorapartialorsuperficialreadingoftheinformations
containedinthismanual.
Theseunitshavebeendesignedforwaterheating.Adifferentapplication,unlessexpresslyauthorizedbythemanufacturer,is
tobeconsideredimproperandthereforenotallowed.
Thelocationandthehydraulicandelectricplantshouldbedeterminedbythesystemdesignerandmusttakeintoaccount
boththepurelytechnicalneedsasanyapplicablelocallegislationsandspecificauthorizations.
Theexecutionofallworkmustbeperformedbyqualifiedandexperiencedpersonnel,competentintheexistingrulesin
differentcountries
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4GENERALSAFETYGUIDELINES
Beforebeginningtooperateonthe“CALIDO”units,everyuserhastobeperfectlyknowledgeableaboutthefunctionsofthe
equipmentanditscontrolsandshouldreadandunderstoodtheinformationlistedinthismanual.
It’sstrictlyforbiddentoremoveand/ortamperwithanysafetydevice.
Donotremovethegrillsonthefanoutletandtopcover.
It’forbiddentheusebychildrenandunassisteddisabledpersons.
Donottouchtheappliancewhenbarefootorwithwetordamppartsofthebody.
Donotpull,detachortwisttheelectricalcablescomingfromtheunit,evenifitisdisconnectedfromthemains
supply.
Donotstandwithyourfeetonthedevice,sitdownand/orleanonanytypeofobject.
Donotsprayorpourwaterdirectlyonthedevice.
Notdisposeof,abandonorleavewithinreachofchildrenpackagingmaterials(cardboard,staples,plasticbags,
etc.).becauseitcanbeapotentialsourceofdanger.
Anyroutineornot‐routinemaintenanceoperationshallbecarriedoutwhentheequipmenthasbeenshutdown,
disconnectedfromelectricpowersources.
Theplasticcovercanberemovedonlybyqualifiedoperators.
Donotputneitheryourhandsnorinsertscrewdrivers,spannersorothertoolsintomovingpartsofthe
equipment.
Theequipmentsupervisorandthemaintenancemanhastoreceivesuitabletrainingfortheperformanceoftheir
tasksinsafety.
Operatorshavetoknowhowtousepersonalprotectivedevicesandhavetoknowtheaccident‐prevention
guidelinescontainedinnationalandinternationallawsandnorms.
4.1 WORKERS’HEALTHANDSAFETY
TheEuropeanCommunityhasadoptedanumberofdirectivesonworkplace’shealthandsafety,whichinclude89/391/CEE,
89/686/CEE,2009/104/CE,86/188/CEEand77/576/CEEdirectives.Everyemployershallimplementsuchprovisionsandensure
thatworkersrespectthem:
Donottamperwithorreplacepartsoftheequipmentwithoutthespecificconsentofthemanufacturer.The
manufacturershallhavenoresponsibilitywhatsoeverincaseofunauthorisedoperations.
Usingcomponents,expendablematerialsorsparepartsthatdonotcorrespondtothoserecommendedbythe
manufacturerand/orlistedinthismanualmaybedangerousfortheoperatorsand/ordamagetheequipment
Theoperator’sworkplacehastobekeptclean,tidyandfreefromobjectsthatmaypreventfreemovements.
Appropriatelightingoftheworkplaceshallbeprovidedsoastoallowtheoperatortocarryouttherequired
operationssafely.Poorortoostronglightingcancauserisks.
Ensurethatworkplacesarealwaysadequatelyventilatedandthataspiratorsareworking,ingoodconditionandin
compliancewiththerequirementsofthelawsinforce.
4.2 PERSONALSAFETYEQUIPMENTS
WhenoperatingandmaintainingtheCALIDOunits,usethefollowingpersonalprotectiveequipments.
Protectiveclothing:Maintenancemenandoperatorshastowearprotectiveclothingthatcomplieswiththebasic
safetyrequirementscurrentlyinforce.Incaseofslipperyfloors,usershavetowearsafetyshoeswithnon‐slipsoles.
Gloves:Duringmaintenanceorcleaningoperationprotectiongloveshavetobeused
Maskandgoggles:Respiratoryprotection(mask)andeyeprotection(goggles)shouldbeusedduring
cleaningandmaintenanceoperations.
4.3 SAFETYSYMBOLS
Theunitfeaturesthefollowingsafetysigns,whichhastobecompliedwith:
Generalhazards
Electricshockhazard
Presenceofmovingorgans
Presenceofsurfacesthatmaycauseinjures
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4.4 REFRIGERANTSAFETYDATASHEET
ExtractfromthesafetydatasheetinaccordancewithRegulation(EC)No.1907/2006(REACH)withthemodificationofRegulation
(EU)2015/830.
Denomination:R134a(100%,1,1,2‐Tetrafluoroethane).
ReferenceofSDSNotsubjecttoregistrationobligationsasdownstreamusersofsubstances/preparationsalreadyregistered
IDENTIFICATIONOFTHESUBSTANCE/MIXTUREANDOFTHECOMPANY/ENTERPRISE
1.1.Productidentifier
Chemicalname:133
CASnumber:811‐97‐2
CEnumber:212‐377‐0
Indexnumber:‐‐‐
Registrationnumber:01‐2119459374‐33
Chemicalformula:C2H2F4
1.2.Relevantidentifiedusesofthesubstanceormixtureandusesadvisedagainst
Identifieduses:Refrigerant
HAZARDSIDENTIFICATION
2.1.Classificationofsubstanceormixture
Regulation(EC)No1272/2008calssification
PhysicalhazardsGasesunderpressure:LiquefiedgasH280
IndicationsofdangerMayexplodeifheated
HealthhazardsAsphyxia
Rapidevaporationcancausefrostbite
Maycausecardiacarrhythmia.
FIRSTAIDMEASURES
4.1.Descriptionoffirstaidmeasures
Generalinformation:Donotgiveanythingtoanunconsciousperson.Getmedicalassistance.
Inhalation:Movethevictimtoanuncontaminatedareawearingtheself‐containedbreathingapparatus.
Keepthepatientrelaxedandwarm.
Proceedwithartificialrespirationifbreathingstops.
Adrenalineandsimilarsubstancesshouldnotbeadministered.
Eyecontact:Rinsecarefullywithplentyofwaterforatleast15minutesandconsultadoctor.
Ingestion:Theingestionisconsideredanunlikelymodeofexposure.
Skincontact:Incaseoffreezingcold,spraywithwaterforatleast15minutes.
Applyasterilegauze.
Takeoffcontaminatedclothingimmediately.
4.2.Mostimportantsymptomsandeffects,bothacuteanddelayed
Highconcentrationcancauseasphyxia.Symptomsmayincludelossofmobilityand/orconsciousness.Victimsmaynotbeawareofasphyxia.
Lowconcentrationcanhaveanarcoticeffect.Thesymptomsmayincludedizziness,headache,nauseaandlossofcoordination.
FIREPREVENTIONMEASURES
5.1.Fireextinguishingmedia
Suitableextinguishingmedia:Waterspray.
Unsuitableextinguishingmedia:Donotusewaterjetstoextinguishthefire.
5.2.Specialhazardsfromthesubstanceormixture
Specifichazards:Theexposuretoflamescancausetheunittobreakorexplodeduetoincreasedpressure.
Hazardouscombustionproducts:
Intheeventofafire,thefollowingproductsmayoriginateduetothermaldecomposition:
Carbonmonoxide
Hydrofluoricacid
Carbonylfluoride
5.3.Recommendationsforfirefighters
Specificmethods:
Coordinatefirefightingaccordingtothesurroundingfire.Exposuretoflamesandheatcancausetheunittobreak.Cooldownwithashowerof
waterfromaprotectedposition.Donotspillcontaminatedfirewaterintothesewagesystem.
Ifpossiblestopproductleakage.
Ifpossible,usewaterspraytoremovethefumes.
Specialprotectiveequipmentfor
firefighters:
Useself‐containedbreathingapparatus.
Standardprotectiveclothingandprotectiveequipment(breathingapparatus)forfirefighters.
EN137‐Respiratoryprotectivedevices‐Self‐containedopen‐circuitcompressedairbreathingapparatuswithfullfacemask.
EN469:Protectiveclothingforfirefighters.EN659:Protectiveglovesforfirefighters.
MEASURESINCASEOFACCIDENTALLEAKAGE
6.1.Personalprecautions,protectiveequipmentandemergencyprocedures
Individualprecautions:
Trytostoptheleakage.
Evacuatethearea.
Useself‐containedbreathingapparatustoenterintotheaffectedareaifthereisnoevidenceofbreathableatmosphere.
Ensureadequateventilation.
Prevententryintosewers,basements,excavationsandareaswhereaccumulationcanbedangerous.
Operateaccordingtothelocalemergencyplan.
Stayupwind.
Evacuateciviliansinsecurityareas.
Usepersonalprotectiveequipment.
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Environmentalprecautions:Volatile
Cleaningmethods:Volatile
HANDLINGANDSTORAGE
7.1.Safe‐handlingprecautions
Safeuseoftheproduct:
Theproductmustbehandledinaccordancewithgoodindustrialhygieneandsafetypractices.
Onlyexperiencedandproperlyinstructedpersonscanmanipulategasesunderpressure.
Donotsmokewhilehandlingtheproduct.
Useonlyspecificequipmentthataresuitablefortheproductandfortheoperatingpressureandtemperature.Incaseofdoubt,pleasecontact
thesupplier.
Donotbreathethegas.
Don’treleasetheproductintheatmosphere.
Youmustensuresufficientairexchangeand/orsuction.
Donotusedirectflameorelectricheatingtoincreaseinternalpressure.
Donotremoveorrenderillegibletheaffixedsupplieridentificationlabels.
Donotundergoanypressuretestwiththeair/HFC‐134amixtures.
Gas‐aircanformacombustiblemixtureatpressureshigherthantheatmosphericonewhenthevolumeratioexceeds60%.
Storage:Keeptheunitawayfromincompatibleproductssuchas:explosive,flammablematerials,Organicperoxide
EXPOSURECONTROL/INDIVIDUALPROTECTION
8.1.Controlparameters
DNEL:Derivedlevelwithouteffect(workers)
Effectsoflong‐term‐systemiceffects,
inhalation14000mg/m³
PNEC=PredictedNoEffectConcentration
Water(softwater)0,1mg/l
Wate(Seawater)0,01mg/l
Aquatic,intermittentreleases1mg/l
Sediment,softwater0,75mg/kgdryweight
PNECformicroorganismsorwastewatertreatmentplant
73mg/l
8.2.Exposurecontrols
Protectionofeyes:
Totalprotectiveglasses.
Protectivegogglesshouldbewornduringtherefillingoperations.
EN166‐Personaleyeprotection
Protectionofhands:Protectiveglovesshouldbewornwhenhandlinggascontainers.
EN388‐Protectiveglovesagainstmechanicalrisks.
Genericprotection:Safetyshoesshouldbewornwhenhandlingcontainers
ENISO20345‐Personalprotectiveequipment‐Safetyfootwear
Respiratoryprotection:Under‐oxygenatedenvironments,abreathingapparatusormaskbreathingairsupplysystemmustbeused.
EN137‐Respiratoryprotectivedevices‐Self‐containedopen‐circuitcompressedairbreathingapparatuswithfullfacemask.
Hygienemeasures:Don’tsmoke.
8.2.3.Environmentalexposurecontrols
Refertolocallegislationforrestrictionstoemissionsintheatmosphere.
Seethesectiononspecificgastreatment/disposalmethods.
PHYSICALANDCHEMICALPROPERTIES
9.1.BasicinformationaboutthePhysicalandChemicalproperties.
Aspet:Physicalstateat20°C/101.3kPa:Colorlessliquefiedgas.
Odor:Similartoether.
Olfactorythreshold:Theolfactorythresholdissubjectiveandinadequatetowarnofoverexposure.
Meltingpoint‐101°C
Boilingpoint:‐26.5°C
Ignitionpoint:Notflammable
Criticaltemperature[°C]101°C
Relativedensity,gas(air=1):3,6
Watersolubility:1930mg/l
9.2.Otherinformation
Gas/vapormoreheavierthanair.Mayaccumulateinconfinedspaces,particularlyatorbelowgroundlevel.
STABILITYANDREACTIVITY
Stability:Noreactivityifusedwiththeappropriateinstructions.
Incompatiblematerials:Humidity.
RefertoISO11114standardforfurtherinformationonmaterialcompatibility.
Hazardousdecompositionproducts:Halogenacids,carbondioxide(CO2),carbonmonoxide,fluorocarbons,carbonylhalides.
Dangerousreactions:Theproductisnotflammableincontactwithairundernormalconditionsoftemperatureandpressure.Underpressurewithairoroxygen,the
mixturecanbecomeflammable.SomemixturesofHCFCorHFCandchlorinemaybecomeflammableorreactiveundercertainconditions.
TOXICOLOGICALINFORMATION
Acutetoxicity:
LC50/inhalation/4hours/onrat>567000ppm/4h
EC5048h‐Daphniamagna>930mg/l
LC5096h‐Fish>450mg/l
Noknowneffectofthisproduct.
Localeffects:ConcentrationssubstantiallyabovetheTLV(1000ppm)valuemaycausenarcoticeffects.
Inhalationofdecompositionproductsinhighconcentrationmaycauseshortnessofbreath(lungoedema)
Long‐termtoxicity:Didnotshowcarcinogenic,teratogenicormutageniceffectsonanimalexperiments.Cancausecardiacarrhythmia.
Limitthresholdforcardiacsensitivity:312975mg/m3.Limitthresholdforanestheticeffects:834600mg/m3
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ECOLOGICALINFORMATION
Noteasilybiodegradable.
NotconsideredsusceptibletobioaccumulationduetoalowlogKow(logKow<4).
Becauseofitshighvolatility,theproductisunlikelytocausesoilandgroundwaterpollution.
NotclassifiedasPBTorvPvB.
12.6.Otheradverseeffects
EffectsontheozonelayerAny
GlobalWarmingPotential1430
GWP(CO2=1):
EffectsonglobalwarmingIfdischargedinlargequantitiesitcancontributetothegreenhouseeffect
ItcontainsfluorinatedgreenhousegasesregulatedbytheKyotoprotocol
DISPOSALCONSIDERATIONS
13.1.Wastetreatmentmethods
Refertothesuppliergasrecoveryprogram.
Avoiddirectdischargeintotheatmosphere.
Donotdischargewheretheaccumulationcanbedangerous.
Makesurethattheemissionlimitssetbylocalregulationsorindicatedintheauthorizationsarenotexceeded.
Forfurtherinformationregardingthesuitabledisposalmethods,consulttheEIGACodeofPractice
Doc30"Disposalofgases",availableathttp://www.eiga.org
Listofhazardouswaste140601*:chlorofluorocarbons,HCFC,HFC
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5GENERALCHARACTERISTICS
Thehotwaterheatpumpisoneofthemosteconomicalsystemstoheatthewaterforfamilydomesticusesorforsmallbusiness
activities.Usingfreerenewableenergyfromtheair,theunitishighlyefficientwithlowrunningcosts.Itsefficiencycanbeupto
3~4timesmorethanconventionalgasboilersorelectricalheaters.
5.1 FLEXIBILITYANDBENEFITSOFCALIDOINSTALLATION
Wasteheatrecovery:theunitcanbeinstallednearthekitchen,intheboiler‐roomorthegarage,basicallyineveryroomwhich
hasalargenumberofwaste‐heatsothatithasthehigherenergyefficiencyevenwithverylowoutsidetemperaturesduringthe
winter.
Hotwateranddehumidification:theunitcanbeplacedinthelaundryroomorclothingroom.Whenitproduceshotwaterit
lowersthetemperatureanddehumidifiestheroomaswell.
Storageroomcooling:theunitcanbeplacedinthestorageroomasthelowtemperaturehelpstokeepthefoodfresh.
Hotwaterandfreshairventilation:theunitcanbeplacedinthegarage,gym,basementetc.Whenitproduceshotwater,it
makescoldtheroomandthenprovidesfreshair.
Ecologicalandeconomicalheating:theunitisoneofthemostefficientandeconomicalalternativestobothfossilfuelboilersand
heatingsystems.Bymakinguseoftherenewablesourceintheair,itconsumesmuchlessenergy.
Multiplefunctions:thespecialdesignoftheairinletandoutletmakestheunitsuitableforvariouswaysofconnections.With
differentwaysofinstallation,theunitcanworkasjustaheatpumpbutalsoasafreshairblower,adehumidifier,oranenergy
recoverydevice.
ThefunctionforwhichtheunithasbeendesignedisonlythatofheatpumpforDHWproduction.Anyotherside
effect(ambientcooling,dehumidification,wasteheatrecovery)shouldbeconsideredasaperk,onwhichyoucan
nothavehoweverprecisecontrol.Theperformancedatawillthereforebeprovidedonlywithrespecttothe
functionofwaterheating.
5.2 COMPACTDESIGN
Theunitisdesignedinparticularforsupplyinghotwaterfordomesticuseorforsmallcommercialactivities.Thehighlycompact
structureandelegantdesignoftheappliancearestudiedinordertomakeiteasyandsimpleforinternalinstallation.
5.3 AVAILABLEACCESSORIES
Availableaccessoriesare:
Vibrationdampersupportsforfloorinstallation.
6TECHNICALFEATURES
Steeltankwithdoublelayervitrification.
Anti‐corrosionmagnesiumstickforassuringthedurabilityofthetank.
Condenserwrappedexternallytotheboiler,freefromfoulingandrefrigerantwithoil‐watercontamination.
Highthicknesspolyurethanefoam(PU)thermalinsulation.
Externalstructuremadeofsheetmetalintwocolors:thelowerpartinRAL9003,theupperpartinRAL7035.
OutershellmadeofgreycolourRAL9006plasticmaterial.
HighlyefficientcompressorwiththeR134arefrigerant.
Highandlowgaspressureprotections.
Electricalheateravailableintheunitasaback‐up(withintegratedthermostatwithprotectiontemp.at85°C+/‐5°C),assuring
constanthotwatereveninextremecoldwinters.
CALIDOSanitarywaterheatpump
12
ON‐OFFcontactforstartingtheunitfromanexternalswitch.
Weeklydisinfectioncycle.
Possibilityofon/offcontactmanagementinordertoturnon/offtheunitwhenisrequired;itcouldbeusedforexemple
whenyouhavetheproductionofaphotovoltaicsystemmaximizingtheself‐consumptionandenergyefficiency.
7ITEMSINSIDETHEPACKING‐BOX
Beforestartingtheinstallation,pleasemakesurethatallpartsarefoundinsidethebox.
PACKING‐BOX
ItemImageQuantity
Domestichotwaterheat
pump
1
User’s‐Installer’smanual
1
DielectricjointsBuilt‐in2
8barpressurereliefvalveIncluded1
Bracketsforwallmount
andscrewsIncluded2
CALIDOSanitarywaterheatpump
13
8OVERVIEWOFTHEUNIT
8.1 HYDRAULICCONNECTIONS
Indicationofconnections
C
old water inlet
Power supply cable
pass-through hole
Hot water outlet
Condensate drainage
Coldwaterinlet‐>G½”M
Hotwateroutlet‐>G½”M
Condensatedrainage‐>Ø18mm
8.2 DIMENSIONS
Air outlet
Air inlet
Thelowerpartoftheunitiswhite(RAL9003),andtheupperpartislight‐graywith"orangepeel"effect(RAL7035).Thesamecolor
andthesamefinishingisreplicatedinthelowerpartoftheclosure.
FRONTVIEW
BOTTOMVIEW
CALIDOSanitarywaterheatpump
14
8.3 ACCESSTOTHEFRONTPART
Toaccesstherefrigerantcircuitandtheelectricalpanelcomponentsoftheunit,youwillneedtoopenthefrontpanelby
removingthescrewslocatedonthesideandthenextractingitasindicatedinthebelowpicture.
8.4 ACCESSTOTHEBOTTOMPART
Youneedtoaccesstothebottompartoftheunitforanyeventualcontrol/replacementofthemanuatresetsafetythermostat,
electricheater,magnesiumanodeandforthewiringoftheremoteswitchON‐OFFcontact.
Twistoffthe6screwsthatholdthebottomcentralplateand
removethecover
1. Manualresetthermostat
2. Electricheaterandmagnesiumanode
8.5 HOWTOREPLACETHEMAGNESIUMANODE
TheMagnesiumanodeisananti‐corrosionelement.Itisassembledinthewatertanktoavoidthecreationofoxidelayersinside
thetankinordertoprotectitwiththeothercomponents.Itcanhelptoextendthelife‐spanofthetank.
Replacethemagnesiumanodeevery6months,cleanitifitisintactbutencrustedbylimestone.
Turnthepoweroftheunit‘OFF’andpullouttheplug.
Drainallthewateroutofthetank.
Removethebottomflangewherethemagnesiumanode
andtheelectriceheaterareinstalled.
Unscrewtheoldanodefromtheholder.
Screwagaintheflange.
Rechargethewater.
CALIDOSanitarywaterheatpump
15
8.6 REGULATIONTHERMOSTATOFTHEELECTRICHEATER
Theauxiliaryelectricheaterisequippedwithathermostatforregulation;toaccessthiscomponent,youshouldremovethe
bottomcover.
Thefactorysettingismadeatitsmaximumvalue85°C;anymodificationofsuchvalueisnotrecommendedasitcouldproduce
malfunctionsonthelegionellacyclecontrol(Forsuchpurposeitisrequiredtoreadcarefullytheparagraph11.5.2).
8.7 SCHEMATICOVERVIEWOFTHEWATERANDGASCIRCUIT
Lo w p ressu re sw i t ch
Hig h pressu re swi t ch
Air inlet
Evaporator
Air outlet
Temp. sensor
Temp. sensor
Hot water outlet
Cold water inlet
Wat er t an k Co m p resso r
4wayvalve
Electronic expansion valve
9INSTALLATION
WARNING:AlltheoperationsdescribedbelowmustbecarriedoutonlybyQUALIFIEDPERSONNEL.Priortoany
workontheunit,makesurethatthepowersupplyisdisconnected.
9.1 GENERALITY
Wheninstallingorservicingtheunit,itisnecessarytostrictlyfollowtheruleslistedinthismanual,toconformtoallthe
specificationsofthelabelsstickedontheunit,andtotakeanypossibleprecautions.Notobservingtherulesreportedonthis
manualcancreatedangeroussituations.
Afterreceivingtheunit,immediatelycheckitsintegrity.Theunitleftthefactoryinperfectcondition;anyeventual
damagehastobequestionedtothecarrierandrecordedontheDeliveryNotebeforesigningit.
Thecompanyhastobeinformed,within8days,oftheextentofthedamage.TheCustomershouldprepareawrittenstatement
withphotographsofanyseveredamage.
Pleasenotethatalltheinstallationdiagramsshowninthischapterareonlyaguide.Thecorrectinstallationplant
mustbeevaluatedcasebycasebytheinstaller.
9.2 SAFETYINSTRUCTIONS
Topreventinjurytotheuser,otherpeople,orpropertydamage,thefollowinginstructionsmustbefollowed.Incorrectoperation
duetoignoringofinstructionsmaycauseharmordamage.
Installtheunitonlywhenitcomplieswithlocalregulations,by‐lawsandstandards.Checkthemainvoltageandfrequency.This
unitisonlysuitableforearthedsockets,connectionvoltage220‐240V~/50Hz.
Thefollowingsafetyprecautionsshouldalwaysbetakenintoaccount:
-besuretoreadthefollowingWARNINGbeforeinstallingtheunit;
-besuretoobservethecautionsspecifiedhereastheyincludeimportantitemsrelatedtosafety;
-afterreadingtheseinstructions,besuretokeepitinahandyplaceforfuturereference.
CALIDOSanitarywaterheatpump
16
9.2.1 Warnings
Theunitmustbesecurelyfixedtoavoidnoiseandshaking:wheninsufficientlyinstalled,theunitcouldfallcausing
injury.Thebearingsurfaceshouldbeflattobeartheweightoftheunitandsuitableforinstallingtheunitwithout
increasingnoiseorvibrations.
Wheninstallingtheunitinasmallroom,pleasetakemeasures(likesufficientventilation)topreventthe
asphyxiacausedbytheleakageofrefrigerant.
Besuretousetheprovidedorspecifiedpartsfortheinstallationwork:theuseofdefectivepartscouldcausean
injuryduetopossiblefire,electricshocks,theunitfallingetc.
Donottearoffthelabelsontheunit:thelabelsareforthepurposeofwarningorreminding,keepingthemcan
ensureyoursafeoperations.
Indoorinsta
l
lationiscompulsory:itisnotallowe
d
toinstalltheunitatoutdoororrainachievingplaceand
generallyaccessiblefromanysourceofwater.
Theinstallationplacewithoutdirectsunlightandotherheatsuppliesisrecommended:ifnowaytoavoidthese,
pleaseinstallacovering.
Makesurethatthere’snoobstaclesaroundtheunit.
9.2.2 Cautions
Donotinstalltheunitinaplacewherethereisachanceofflammablegasleaks:ifthereisagasleakandgas
accumulatesintheareasurroundingtheunit,itcouldcauseanexplosion.
Donotcleantheunitwhenthepoweris‘ON’:alwaysshut‘OFF’thepowerwhencleaningorservicingtheunit.If
not,itcouldcauseaninjuryduetothehighspeedrunningfanoranelectricalshock.
Disconnecttheappliancefromthepowersupplybyremovingtheplugfromthesocketor,byturningoffthe
mainswitchifinstalledupstreamoftheunit.
Neverremovetheplugfromthesocketbypullingoutthepowercord.
Donotperformcleaningoperationsofthemachinebeforeturningofftheunit
,
unpluggingitorturningoffthe
externalswitch.
Incasetheunitisusedwithoutairejectionduct,
v
erifythattheinstallationroomhasgotavolumenotlessthan
10m3,withadequateventilation.Pleasenotethatthetemperatureoftheexpelledairis5‐10°Clowerthanthe
inletair,thereforeifnotchannelleditcancauseasignificantloweringofthetemperatureoftheinstallationroom.
Donotcontinuetoruntheunitwhenthereissomethingwrongorthereisastrangesmell:thepowersupply
needstobeshut‘OFF’tostoptheunit;otherwisethismaycauseanelectricalshockorfire.
Insidetheunit,therearesomemovingparts.Beespeciallycarefulwhenworkingnearthem,eveniftheunitis
off.
Donotinsertfingersorotherobjectsintothefanandevaporator.
Thetemperaturesofheadsandexhaustpipingofthecompressorareusuallyhigh.Thereforebecarefulwhen
workingnearcondensingcoils.
Thealuminumfinsareverysharpandcancauseseriousinjuries.
9.3 HANDLINGOFTHEUNIT
Asarule,theunitistobestoredand/orhandledinitsshippingpackingboxinuprightpositionandshouldbeemptywithoutwater
charge.Duringthetransport(providedthatitisdonewithcare)andthestorage,it’sadvisabletonotexceedaninclinationangle
of30degrees(45°forshorttime).Ambienttemperaturesforstoringisfromgoing‐20to+70degreesCelsius.
9.3.1 Handlingoftheunitwithforklift
Whenusingtheforkliftforhandling,theunitmustremainmountedonthepallet.Theliftingrateshouldbekepttoaminimum.
Duetoitstop‐heaviness,theunitmustbesecuredagainsttippingover.Topreventanydamage,theunitmustbeplacedonalevel
surface.
9.3.2 Manualhandlingoftheunit
Forthemanualhandling,thewoodenpalletcanbeused.It’spossibletouseropesorcarryingstraps,takingcaretoavoid
ioverturningtheunit.Themaximumallowedinclinationangleis45°,theverticalpositionisadvised.
Iftransportininclinedposition(withmaximumangleofinclination45°forshotperiodoftime)cannotbeavoided,theunitshould
betakenintooperationonehourafterithasbeenmovedintofinalposition.
CALIDOSanitarywaterheatpump
17
WARNING:
Duetothehighcenterofgravity,lowoverturningmoment,theunitmustbesecuredagainsttippingover.
Thecoveroftheunitcannotwithstandstress,soitcannotbeusedfortransport.
9.4 WALLMOUNTING
Appropriateplugsandsupportbracketsaresuppliedtogetherwiththeunitforinstallation.
1. Proceedtodrillholesintothewallofinstallation.Makesurethattheselectedwallisadequatetosupporttheunitand
therearenowaterpipes,gaspipesandelectricitycables.
2. Insertthesuppliedrawlplugsintheholesandfixthesupportbracketthroughthescrewsandwashers.
3. Securethemountingbracketoftheunit.Makesurethatiscenteredonthewall.
4. Hookuptheboilertothewallbyinsertingthetabofthemetalbracketintothecavityofthewall‐mountingbracketfixedto
thewall.
5. Makesurethattheunitisproperlylevelled,youshouldeventuallybalancethesupportonthewallbyscrewingor
unscrewingthespacersontheback.
Wal lUnit
Lat eral view
1. Fix t he
b
racket to the unit through the supplied screws
Fix the wall-mounting bracket
through the supplied fischer screws
3. Insert the rear bracket in the wall-mounting
“ U” Br acket f i xed t o t he wal l
CALIDOSanitarywaterheatpump
18
9.5 REQUIREDSERVICESPACE
Belowarereportedtherequiredminimumspaceforserviceandmaintenancetasksontheunits.
Moreover,re‐circulationofdischargeairhastobeavoided;failuretoobservethispointwillresultinpoorperformanceor
activationofsafetycontrols.Forthesereasonsitisnecessarytoobservethefollowingclearances.
Pleasenotethattheunitisdesignedinorderthatthepartsthatmayrequiremaintenanceareaccessiblefromthefrontpart.In
anycaseitisadvisabletokeepfreetheencounteredspacesonbothleftandrightsideinordertofacilitatetheremovaloftheunit
andmaintenance.
Intherightsidetableareshownthemaxlenghtsofairpipingthat
shouldberespected.
Theunitisself‐supporting,therefore,itisalsopossibletoinstallitonthefloorusingthespecialanti‐vibrationfeet(NOTsupplied
withtheunit).Seetheimagebelow.
VibrationdamperSUPPORTSforfloorinstallation
Vibration damper support
s
for floor installation
Ifairinletand/oroutletpipesareconnected,portionairflowandcapacityinheatpumpunitwilllose.
Iftheunitconnectswithairductsitshouldbe:DN120mmforpipesor120mminternaldiameterflexiblehose.
Thetotallengthoftheductsshouldnotbelongerthan8mandthemaximumstaticpressureshouldnotexceed
60Pa.Iftheairductsarebended,thepressurelosswillbemaximal.Soifthereare2bendingpipes,thetotal
lengthoftheductsshouldnotbelongerthan4m.
Pleasenotethattheperformanceoftheunitarereducedinthecasetheairinletisconnectedtoaductwhich
takesairfromoutside,becauseofthelowwintertemperaturesandhighsummertemperatures.
Theoptimalworkingambienttemperatureis20°C.
Maxlenghtofairpiping(in+out)d=125mm
Withoutcurves8m
90°curves
no.
16,9m
25,9m
34,9m
44m
CALIDOSanitarywaterheatpump
19
9.6 INSTALLATIONOVERVIEW
Air outlet
Hot water out let
KEY
Air inlet
Fi l t e r
Unloading
Ant i-scald valve
Expanssion vessel
Mixing valve
Automatic loading group
Shut-off valve
Wat er su p p l y
Sanitary uses
Hydraulic
safet y
group
Chilled water inlet
Condensate
draining
AnhydraulicsafetygroupcomplyingwithEN1487standardsmustbeinstalle
d
inthewaterinlet.Ifnot,itcould
causedamagetotheunit,orevenhurtpeople.Thesafetygroupmustbeprovidedwithstopvalve,manualdrain
valve,inspectionablenon‐returnvalveandsafetyvalvesetto8bar.Fortheinstallationplacepleaserefertothe
pipelineconnectionsketch.Thesafetygroupmustbeprotectedfromfrost.
Thedischargepipeconnectedtothesafetygroupistobeinstalledinacontinuouslydownwarddirectionandina
frost‐freeenvironment.Ensurethewatermaydripfromthedischargepipeofthesafetygroupandthatthispipe
mustbeleftopentotheatmosphere.
Thesafetygroupistobeoperatedregularlytoremovelimedepositsandtoverifythatitisnotblocked.Please
bewareofburn,becauseofthehightemperatureofwater.
Theexpansiontankwithcapacitysuitablysizedtoabsorbvolumevariations(dependingfromtheextensionof
sanitarydistributionpiping)mustbeinstalledintheinletline.
Thetankwatercanbedrainedthroughtheexternalmanualgatevalveinstalledontheinletpipe(notprovided).
Afterallthepipesinstalledturnonthecoldwaterinletandhotwateroutlettofillthetank.Whenthereiswater
normallyflowingoutfromwateroutlettaps,thetankisfull.Turnoffallvalvesandcheckallpipes.Ifany
leakage,pleaserepair.
Iftheinletwaterpressureislessthan1.5bar,apressurepumpshouldbeinstalledatthewaterinlet.Forensure
thelongsafetyusingageoftankattheconditionofwatersupplyhydraulichigherthan5.5bar,areducingvalve
shouldbemountedatthewaterinletpipe.
Afilterisadvisableintheairinlet.Iftheunitisconnectedwithducts,filterintheremustbeputforwardtothe
airinletofduct.
Makesurethatthecondensatedrainpipeisatthelowestplaceandmakeasiphononitifnecessary.
CALIDOSanitarywaterheatpump
20
9.7 HYDRAULICCONNECTIONS
Thehydraulicconnectionshavetobedoneinaccordancewithnationalandlocalregulations.Pipescanbemadeupofmultilayer
pipe,polyethyleneorstainlesssteelandmustwithstandatleast100°Cand10bar.Pipeshavetobedesigneddependingonthe
desiredwaterflowandonthehydraulicpressuredropsofthesystem.Allpipeshavetobeinsulatedwithclosed‐cellmaterialof
adequatethickness.Unitsshouldbeconnectedtopipingbymeansofflexiblejoints.Pipingshouldinclude:
Y‐shapedmetallicfilter(tobemountedontheinletpipe)withameshnotlargerthan1mm.
Automaticcharginggroup(3baradvised)whenwatersupplypressureishigherthan5,5bar.
Hydraulicsafetygroup(8bar).
Manualgatevalvestoseparatetheunitfromthehydrauliccircuit.
Manualgatevalveontheinletpipetodischargetheunitifnecessary.
Thermometersforwellstomonitorthesystem’stemperature.
Expansiontanks,safetyvalvesandairventswhereindicatedinthefollowinginstallationdiagrams.
Performtheconnectionsmakingsurethatweightofthepipesdonotoverloadtheunit.
Checkthewaterhardness
,
whichshouldnotbebelow12°f.Withparticularlyhardwater,it’srecommen
d
e
d
theuse
ofawatersoftenersothattheresidualhardnessisnomorethan20°fandnolessthan15°f.
WARNING:Whenit’spossib
l
e,connectthepipestothehydraulicconnectionsalwaysusingthesystemkeyagainst
key.
WARNING:Unitwaterinletpipehavetobeincorrespondencewiththeblueconnection,otherwisetheunit
malfunctioncouldoccur.
WARNING:ItiscompulsorytoinstallontheWATERINLETconnectionametallicfilterwithameshnotlargerthan1
mm.Shouldthefilternotbeinstalled,thewarrantywillnolongerbevalid.Thefilterhavetobekeptclean,so
makesurethatitiscleanaftertheunithasbeeninstalled,andthencheckitperiodically.
Performthedrainage/pipingworkaccordingtotheinstallationinstruction.Ifthereisadefectinthe
drainage/pipingwork,watercouldleakfromtheunitandhouseholdgoodscouldgetwetandbedamaged.
Thehotwaternee
d
stomixwithcoldwaterforterminalusage,toohotwater(over50°C
)
intheheatingunitmay
causeinjury.It’srecommendedtheuseofanti‐scaldvalves.
Thediagramsaretobeconsideredonlyforindicationpurpose.Itisalwaysrequiredthestudyofthespecific
installationcontextandtheapprovalofthesystembyaqualifiedheatingengineerdesigner.
9.7.1 Waterconnections
Pleasepayattentiontothebelowpointswhenconnectingthewaterlooppipe:
1) Trytoreducethewaterloopresistance.
2) Makesurethatthereisnothinginthepipeandthewaterloopissmooth,checkthepipecarefullytoseeifthereisanyleak,
andthenpackthepipewiththeinsulation.
3) Installthehydraulicsafetygroupinthewaterinlet.
4) Installalsoanexpansiontanksuitablysizedtoabsorbevolumevariations.
5) Thenominalpipediameteremustbeselectedonthebasisoftheavailablewaterpressureandtheexpectedpressuredrop
withinthepipingsystem.
6) Thewaterpipesmaybeoftheflexibletype.Topreventcorrosiondamage,makesurethatthematerialsusedinthepiping
systemarecompatible.
7) Duringtheinstallationofthepipesinsitu,anycontaminationofthepipingsystemmustbeavoided.
9.7.2 Waterloading
Iftheunitisusedforthefirsttimeorusedagainafteremptyingthetank,pleasemakesurethatthetankisfullofwaterbefore
turningonthepower.
1) Proceedtothoroughlycleanthesystem
2) Openthecoldwaterinletandhotwateroutlet.
3) Startthewaterloading.Whenthereiswaternormallyflowingoutfromthehotwateroutlet,thetankisfull.
4) Turnoffthehotwateroutletvalveandwaterloadingisfinished.
ATTENTION:OperationwithoutwaterinwatertankmayresultindamageofauxiliaryE‐heater.
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