Classification
Waterstoragetype
Electricwaterheater(5sheets)
Accordingtotheinstallationmethod,itcanbedividedintowall-mounted(horizontalType)typeelectricwaterheatersandfloor-standing(vertical)waterheaters,wall-mountedelectricwaterheatersusuallyhaveavolumeof40L-100L,andfloor-standingwaterheatersareusuallymorethan100L.Householdstorage-typeelectricwaterheatershavethecharacteristicsofeasyinstallation,largewateroutput,andstablewatertemperature.However,traditionalstorage-typeelectricwaterheatershaveslowheatingspeedandlongerwaitingtime.Therearemanybrandsofstorage-typeelectrichotwater,andthequalityvariesgreatly.Mostofthecustomersarenon-professionals,whichisdifficulttoidentify.Expertsremindconsumersthatthemostimportantcomponentofstorage-typeelectricwaterheatersistheinnertank,whichisrelatedtotheperformanceandlifeofthewaterheater.Customersmustpayattentiontothematerialoftheinnertankanditsanti-corrosionandanti-scalingperformancewhenchoosing.Instantheatingtype
Instantheatingtypeelectricwaterheaters(alsoknownasquickheatingtypeelectricwaterheatersintheindustry)generallyrequireanelectriccurrentof20oreven30amperesormore.Highthermalefficiencyandsmallinstallationspace.Internallowpressuretreatment,youcanaddashuntwheninstalling.Productswithhigherpowercanbeinstalledinthebathroom,whichcanbeusedforshowersandwashes.Generally,householduseisenergy-savingandenvironmentallyfriendly.Accordingtomarketdemand,instantelectricwaterheatersarefurtherdividedintoshowertypeandkitchentype(mostlycalledXiaochubao).
Quickheatingtype
Thisisanindependenttypeofelectricwaterheaterproductthatisdifferentfromthestoragetypeandtheinstantheatingtype.Themainfeaturesof"speedheatingelectricwaterheater":
1,capacity:6L-30L;
2,power:3500W-5500W;
3,Powercord:2.5-4squaremillimeters;
4,heatingtime:3-8minutes;
5,workingmode:1preheating,youcancontinuouslysupplyhotwater,Nolimitonthenumberofusers;
6.Constanttemperaturemode:mechanicalconstanttemperature,automaticintelligentconstanttemperature;
7,otherfunctions:anti-dryprotection,anti-scaldprotection,anti-over-temperatureProtection,physicalanti-electricshield,splash-proofbody,anti-leakageprotection,separationofwaterandelectricity,magneticinductionprotection,overpressureprotection,watercut-offprotectionagainstbackflow,andpower-offmemoryfunction.
Themainquick-heatwaterheatersare:pre-instantdual-modeelectricwaterheaters,3Dquick-heatelectricwaterheaters,andintelligentcapacity-increasingelectricwaterheaters.
Developmenttrend
Aftermorethantenyearsofdevelopmentofelectricwaterheaters,thetechnologyofwaterheatershasbeencontinuouslyimproved.Theindustryhassuccessivelymadeinnovationssuchaselectricwall,electricgate,3Drapidheating,frequencyconversioncapacityincrease,etc.Withtheemergenceofsexualproducts,electricwaterheatershavecontinuedtoimproveintermsofsafety,energysaving,heatingspeed,andwateroutput.Themarketsaleshavecontinuedtogrowovertheyears.Withtheimprovementoflivingstandardsinrecentyears,people’sdemandforwaterconsumptionhasincreased.Therefore,thesellingvolumeofelectricwaterheatershasincreasedfrom40litersin2000toabout60literstoday.TheYangtzeRiverinHubei,Hunan,Guizhou,etc.BothsidesoftheTaiwanStraithavealwaysbeenthebest-sellingprovincesfor80-literlarge-capacitywaterheaters.
Accordingtothe"TechnicalRoadmapforChina'sDomesticWaterHeaterIndustry"(2012Edition),thefutureR&DneedsofChina'selectricwaterheatersincludesafetyandreliability,energysaving,low-carbonenvironmentalprotection,comfortandhealth,productstructureupgrades,andbuildingintegration.Andsevenaspectsofintelligence.
Nowadays,traditionalelectricwaterheaterwallinstallationisaffectedbyhollowwallsandotherreasons,itiseasytofallanditisnotsafe!The"bigbucket"isunsightlyandtakesupspace.Somemanufacturershavebeguntoconsiderbuildingintegrationorhomeintegrationproducts,suchasanintegratedwaterheateronthemarket.Theintegratedwaterheaterisanintegrateddesignofthewaterheaterandthebathroomcabinet.Thedesignconceptisverydifferentfromthetraditionalwaterheater.Itisabrandnewattempt.
Difference
Storagetypeelectricwaterheater
Storagetypeelectricwaterheaterisdividedintoopentypeandclosedtype.Theearlystorage-typeelectricwaterheatersweremostlyopen-typeoropen-type,withsimplestructureandsmallvolume.Theydependedonhighpressurespraying,andthewaterflowwassmall,butthepricewaslow.Theyweresuitableforsmallpopulationandfamilyenvironment.Itisnotverywealthy,soitisonlypurchasedbyhouseholdswhouseitforbathing.Sincetheopen-typeelectricwaterheaterhasnopressure-bearingperformancefortheinnertank,itcannotsupplywatertootherpipelinesandhaslimitedfunctions.Theinnertankoftheenclosedelectricwaterheaterissealed,thewaterpressureinthetankisveryhigh,anditsinnertankcanwithstandpressure,soitcanbeusedformulti-channelwatersupply.Itcanbeusedforshowers,baths,laundry,andvegetablewashing.Relativelyexpensive,generallyaround1,000yuan.Thestorage-typeelectricwaterheatercanautomaticallykeepconstanttemperatureandkeepwarm,andcanstillsupplyhotwaterwhenthepoweriscutoff.Theelectricwaterheatersonthedomesticmarketaremainlyclosedstorageelectricwaterheaters,whichdonotneedtobeinstalledinseparaterooms,donotproduceharmfulgases,arecleanandhygienic,andcanbeeasilyadjustedintemperature.
Theworkingprincipleofenclosedstorage-typeelectricwaterheatersisverysimple.Theyuseanelectricheatingtubetoprovideheattothewaterafterbeingenergized.Theinnertankstoreshotwaterandbearsapressureof0.6MPa(about6kg/cm2),andtheoutershellkeepsheat.Thedifferencebetweenproductsisfirstreflectedintheheatingtube,thereareimmersiontype,thatisdirectlyincontactwiththewatertobeheated,andisolationtype.Theheatingtubehaspowerof1.2,1.5and2.5KWtochoosefrom.Theheatingtubeiscontrolledbyathermostat,whichcansettherequiredtemperatureandkeepthewatertemperatureintheinnertankconstant,anditcanbeadjustedwithintherangeof40℃～75℃.Thetimecontrolsystemofthetimingproductseriescanbringmaximumenergysaving,andwhenequippedwithatime-sharingmeter,itcansavealotofelectricitybills.Someproductsalsohavealarge-screenLCDdisplay,aone-buttonshuttleoperationinterfaceandreal-timefaultmonitoringfunctions.Electricwaterheatersmustbeequippedwithpressurereliefvalvestoensureoverpressurerelief.Inordertoreduceheatlossasmuchaspossible,athickinsulationlayerofpolyurethaneorhigh-densityfoamisalsousedbetweentheshellandtheinnerliner.
Accordingtothedifferentinstallationmethods,electricwaterheaterscanbedividedintohorizontalwall-mounted,verticalwall-mounted,under-trough(under-counter),ordinaryfloor-mountedandintegratedfloor-mountedinstallation.Thefloor-standingtypehasalargercapacityandisusuallyusedforcollectiveorindustrialuse;therearealsotheunder-trough(under-counter)varietiesofwall-mountedsmall-capacity,andtheirinletandoutletpipejointsarelocatedattheupperendinsteadofthelowerend,sotheyshouldbewall-mountedclosetotheground.Install.
Cautionsforuse
Payattentiontowaterqualityissueswhenusingelectricwaterheaters.mycountryhasavastterritory,andthewaterqualityvariesgreatlyfromplacetoplace.
Forstorage-typeelectricwaterheaters,itisbesttousesoftenedtapwater.Thehardnessofthewaterqualitycanbeseenataglanceifthereisfrequentscalingwhenboilingwaterinyourhome(mostlyamixtureofcalciumandmagnesium).Waterthatispronetoscalingshouldnotbeuseddirectlybythewaterheater(thisismoreimportantforgaswaterheaters).Thehighhardnessofthewaterwillcausethickscalestoformaroundtheelectricheater,whichwillreducetheheatingefficiency.Astheheattransferrateslowsdown,itwillalsoendangerthelifeoftheelectricheateritself.Inaddition,thecontinuousthickeningofthescaleoftheoutletpipewillreducethediameterofthepipe,orevenblockit,causingthewaterheatertomalfunction.Therefore,thehardnessofwaterisveryimportant,andthosewhohavetheconditionsshouldaddasmallsofteningdevicebeforethewaterheaterinletpipetoreducethehardnessofthewater.Bytheway,thedegreeofscalingofwaterwithhigherhardnessduringtheheatingprocessisrelatedtothecontentofcalcium,magnesiumandothersubstancesinthewater,heatingtemperature,pressure,andtime,aswellasthestructureoftheelectricheaterandthecontainer.
Forinstantelectricwaterheaters,theflowofwaterwillheatup,andtheflowwillstopwhenthewaterflowstops.Thetemperatureisgenerallycontrolledbelow65degrees.High-temperaturewaterwillnotaccumulateinthebodyandthereisnochanceofscaling.
Theinnertankisthekeytotheelectricwaterheater.Thetreatmentoftheinnersurfaceoftheproductisveryimportant.Itisthemainbasisfordeterminingthewarrantyperiodoftheelectricwaterheater.Theelectricwaterheaterssoldinshoppingmallsmainlyhavethefollowingthreekindsofinnertanks:Oxygen-freecopperinnertank,whichhasincomparablegoodcharacteristicswhenusedininstantelectricwaterheaters:ithasfastheatconduction,pressureresistance,corrosionresistance,goodductility,andantibacterialAntibacterial,etc.Oxygen-freecopperheatingsystemisgenerallyusedininstantelectricwaterheatersindevelopedregionsinEuropeandAmerica.Mostinternationalbrandsusecoppertoproducetheheatingbodyofinstantelectricwaterheaters.Thespecialphysicalandchemicalcharacteristicsofcoppermaterialscanbeusedforheating.Fastandstable,highthermalefficiency.Itisrecognizedasthemostmatureandstableheatingbodyintheworld'sinstantwaterheaterindustrythatconformstothetrendofenvironmentalprotectionandhealth.Thestainlesssteelinnertankisofgoodmaterialandisnoteasytorust,butthehiddendangersoftheweldingseamarenoteasytofind.Afterrepeatedthermalexpansionandcontraction,thechromiuminthestainlesssteelwillbecorrodedbythechlorideionsinthetapwater,andwatermayleakattheweldingplaceafteralongtime;Enamelliner.Theenamelonthesurfaceofthelinerismadeofnon-metallicmaterial,whichisnotrustyandanti-corrosion.Thetankbodyismadeofthicksteelplate,whichhasstrongpressureresistance.Amongthem,thehigh-glaze-cladsteellinerhasthebestanti-corrosionandheatpreservationperformanceandhasthebestservicelife.Longer.Consumerscanchoosetheenamelliner,andmostmanufacturerspromisetoreplaceitformorethanfiveyears.
Inaddition,inordertopreventcorrosionoftheinnersurface,amagnesiumrodisalsoinstalledinthemachine.Themagnesiumrodisusedasasacrificialanodeinthewaterheater.Becausethemetalactivityofmagnesiumishigherthanthatofiron,whenthemagnesiumrodandtheordinarysteelplateareexposedatthesametime,themagnesiumrodwillfirstreplacethesteelplatetocorrode,soastoachievethepurposeofprotectingthesteelliner.Howoftenshouldthemagnesiumrodbereplaced?Dependingonthewaterquality,themagnesiumrodintheenamel-linedwaterheaterneedstobereplacedwithin1to2years.Otherwise,oncethemagnesiumrodisusedup,thewaterheaterwillsooncorrodeandleakwater.
Advantagesanddisadvantages
Waterstoragetype
Advantages:highsafetyperformance,cleanenergy.Multi-channelwatersupplycanbeprovided.Itcanbeusedforshowering,bathing,laundryandvegetablewashing.Theinstallationisalsorelativelysimpleandeasytouse.
Disadvantages:Generally,thevolumeislarge,anditneedstobewarmedupbeforeuse.Youcannotusewaterthatexceedstheratedcapacitycontinuously.Iftherearemanypeopleinthefamily,youhavetowaitinthemiddleofthebath.Inaddition,thehotwaterthatisnotusedupafterwashingwillslowlycooldown,causingwaste.Theheatingtemperatureofthewatertemperatureishigh,itiseasytoformfouling,anditistroublesometocleanupthedirt.
Instantheating
Advantages:Ithasmanyadvantagessuchasinstantheating,savingtimeandelectricity,energysavingandenvironmentalprotection,compactsize,andconstantwatertemperature.Thecoreofthehigh-qualityinstantelectricwaterheateristheinstantelectricheatertechnology,whichdeterminestheperformanceandsafetyofthewaterheater.
Disadvantages:Thepowerisrelativelylarge,andthelinerequirementsarehigh:Generally,thepowerisatleast6KWormore.Inwinter,itisdifficulttoensurethatthereisenoughhotwaterforbathingwithapowerof8KW.Thepowercordrequiresatleast2.5squaremeters,andsomerequiremorethan5squaremeters.
Comparedwithgaswaterheaters
Electricwaterheatersandgaswaterheatershavetheirownadvantagesanddisadvantages.Consumersshouldweightheirchoicesaccordingtotheiractualconditionswhenpurchasing.
Thefollowingisacomparisonofwaterheatersintermsofperformance:gaswaterheatershavetheadvantagesofhighthermalefficiency,fastheatingspeed,stabletemperatureadjustment,andcontinuoususe.Theinconvenienceisthattheusercannotadjustthetemperatureduringthebathingprocess,butmustadjustthetemperaturebeforeenteringthebathroom.Thereissomewasteofcoldwaterbeforethehotwaterreachesthefaucet,andthecountryhasregulationsonitsservicelife,whichissuitableforlowgasPriceareause.Electricwaterheatershavetheadvantagesoflonglife,highefficiency,energysaving,safety,andenvironmentalprotection.Theycanalsobehiddeninwallcabinetsoronbalconieswithoutbeingexposedoroccupyingland.Thedisadvantageisthatitneedstobepreheatedbeforeuse,andtheamountofwaterthatexceedsthecapacityoftheelectricwaterheatercannotbeusedcontinuously.Suitableforuseinareaswithlowelectricityprices.Ifthefamilyhasalargepopulation,youneedtobuyalarge-capacityone.
Theelectricwaterheateristhefuturedevelopmentdirectionofthewaterheatermarket.Becausethepriceofgashasrisen,thepriceofelectricityhasdropped;theuseofelectricwaterheatersissafe,sanitaryandpollution-free.Inthenextfewyears,mycountry'selectricwaterheatermarketwillshowastronggrowthmomentum,anditsproductquality,technicallevel,andservicestandardswillcontinuetoimprove,andpriceswillalsodrop.
Purchaseknowledge
Storagetype
Accordingtotheoutlettype,thestoragetypeelectricwaterheaterisdividedintotwotypes:enclosedelectricwaterheaterandopenelectricwaterheater.Theclosedelectricwaterheateriscontrolledbyoneormorevalvesatthewateroutletandworksunderthepressureoftapwater.Thistypeofwaterheaterhastheadvantagesofflexibleinstallationlocation,highwateroutletpressureandlowheatloss.However,becausetheinnertankworksunderpressure,thickermaterialsarerequired,andthemanufacturingprocessrequirementsarehigh;thewateroutletoftheopenelectricwaterheaterisopen,andavalveonthewaterinletpipecontrolsthewatervolume.Thistypeofwaterheaterworksundernormalpressure,soitsinnertankproductionrequirementsarelow,andthestructureisrelativelysimple.Mostelectricwaterheatersproducedbymanufacturersareenclosedelectricwaterheaters.
Accordingtotheinstallationmethod,electricwaterheatersaredividedintothreetypes:wall-mountedhorizontal,wall-mountedverticalandfloor-standing.Thewall-mountedhorizontalwaterheaterishunghorizontallyonthewallduringinstallation,whichissuitableforwaterheaterswithacapacityofnomorethan100L,andhascertainstrengthrequirementsforthewall;whenthewall-mountedverticalwaterheaterisinstalled,itishungverticallyonthewallandissuitableforcapacity.Waterheatersnotlargerthan100Lhavecertainstrengthrequirementsonthewall;floor-standingwaterheaterscanbeplacedverticallyonasolidgroundwheninstalled,andaresuitableforwaterheaterswithlargecapacityabove100L.
Capacityselection
Thecapacityofthewaterheaterisinliters(L).Thelargerthecapacity,thegreaterthewaterheater'shotwatersupplycapacity.Commoncapacitiesinthemarketare:6L,8L,10L,15L,40L,50L,60L,80L,100L,andafewmanufacturerscanproduceproductsabove100L.Theusercanchoosethecapacityofthewaterheateraccordingtothepurpose,thesizeofthehouseholdandthewaterconsumptionhabits.Waterheatersbelow15Laregenerallyusedinthekitchentowashdishes,washvegetablesorwashtheface,andbrushteethinthebathroom,sopeoplecallitakitchentreasureorasmallkitchentreasure.Thewaterheaterusedforbathingshouldchooseacapacityofmorethan40L,onepersonshouldchooseawaterheaterwithacapacityof40~50L;2peopleshouldchooseawaterheaterwithacapacityof50~60L;afamilyof3shouldchooseawaterheaterwithacapacityof80~100L;3Awaterheaterofmorethan120Lissuitableforfamilieswithmorethanoneperson;ifyouareusedtobathinginabathtub,itisbesttochooseawaterheaterofmorethan150L.
Powerselection
Thepowerofthewaterheaterisinwatts(W)orkilowatts(Kw),whichusuallyreferstothepoweroftheelectricheatingtubeinthewaterheater.Thegreaterthepower,theunittimeThemoreheatgenerated,thelessheatingtimeisrequired,andthehighertheloadonthewire.
In2012,thepowerofcommonwaterheatersonthemarketwere:1000W,1250W,1500W,2000W,2500W,3000W,etc.Inordertomeetpeople'sneedsforthediversityofwaterheaterproducts,dual-powerandmulti-powerelectricwaterheatersappearedonthemarket,with1000W/1500Wadjustable,1000W/1500W/2500Wadjustable,1000W/2000W/3000Wadjustable,2000W/3000WSeveralcombinationssuchas/5000Wareavailableforuserstochoose.Whenusersuseit,theycanchoosetouseoneheatingtubeortwoheatingtubestoheatatthesametimeaccordingtotheirneeds.
Whenpurchasinganelectricwaterheater,usersshouldunderstandthepoweroftheelectricwaterheater.Thechoiceofpowershouldbedeterminedbasedonthecross-sectionoftheelectricmeterandpowercordinyourhome.Thepowersupplyforthewaterheaterbelow1500WThecross-sectionofthecordshouldnotbelessthan1.5mm2,andthecross-sectionofthepowercordusedbythewaterheaterof2000W~3000Wshouldnotbelessthan2.5mm2.Atthesametime,considerwhetherthepowercordisusedexclusivelyforthewaterheaterorusedatthesametimewithotherelectricalappliances,etc.factor.
Performanceselection
(1)Innertank
Theinnertankisthecorecomponentofthewaterheater,whichdirectlyaffectsthesafetyperformance,useperformanceandworkinglifeofthewaterheater.Whenchoosingawaterheater,usersshouldcareaboutwhetherthesteelplateofthewaterheaterismadeoftitaniumalloy,whetherthethicknessisthickenough,whethertheweldingprocessisadvancedandreliable,whetherthequalityoftheenamelandglazeisguaranteed,whetherthecoatingandsinteringprocessisadvanced,etc.
(2)Electricheatingtube
Thequalityoftheelectricheatingtubeisdirectlyrelatedtothesafetyofthewaterheater.Therefore,whenpurchasingawaterheater,inadditiontothepoweroftheelectricheatingtube,itismoreimportanttocareabouttheelectricalperformanceoftheelectricheatingtube.
(3)Magnesiumanoderod(magnesiumrod)
Magnesiumisthemetalwiththelowestpotentialintheelectrochemicalsequenceandisphysiologicallynon-toxic.Therefore,itisidealformakingmagnesiumrodstoprotecttheinnertank.Thesizeofthemagnesiumrodisdirectlyrelatedtothelengthoftimetoprotecttheinnertankandthesizeoftheprotectioneffect.Thelargerthemagnesiumrod,thebettertheprotectioneffectandthelongertheprotectiontime.
(4)Thechoiceofthermalinsulationlayer
Thequalityofthethermalinsulationlayerofthewaterheaterdirectlyaffectsthethermalinsulationperformanceofthewaterheater.Themainfactorsthatdeterminethethermalinsulationperformancearethematerialofthethermalinsulationlayerandthethicknessofthethermalinsulationlayer.Commonlyusedinsulationmaterialsare:asbestos,sponge,foam,polyurethanefoam,etc.Amongthesekindsofthermalinsulationmaterials,polyurethanefoamhasthebestthermalinsulationperformance,followedbyfoamplasticthermalinsulationperformance.Asbestosandspongearegenerallyonlyusedasauxiliarythermalinsulationmaterialsforwaterheatersbecausetheyaredifficulttocloselyadheretothewaterheater.
(5)Anti-backflowtechnologyselection
Inordertopreventelectricwaterheatersfromdryingoutduetoexternalwatercuts,allelectricwaterheatersadoptanti-backflowtechnology.Theanti-backflowtechnologyadoptedbymostmanufacturersisachievedbyselectingasafetyvalvewithacheckfunction(commonlyknownasacoresafetyvalve).However,theproblemwiththistechnologyisthatwhenthewaterheaterisworking,duetothethermalexpansionandcontractionofthewaterintheinnertank,someofthewaterwillleakintothepipelinethroughtheinternalleakagefunctionofthevalvecore,whichiseasytocauseThewaterheaterpipelinelocallyproducesvibrationresonanceandmakesanabnormalsound;atthesametime,thereisasafetyhazardthattheinternalleakagefunctionofthesafetyvalveoftenfailsduetoscaleblockage,whichincreasestheworkingpressureoftheinnertankandreducestheservicelifeofthewaterheater.
Controlmethod
Accordingtothedifferentcontrolmethodsofwaterheatingtemperature,electricwaterheatersaredividedintothreetypes:mechanical,digitaldisplayandnumericalcontrol.
(1)Mechanicallycontrolledelectricwaterheaters
Themaincomponentoftemperaturecontrolofmechanicalelectricwaterheatersisatemperaturecontrolleradjustedbyamechanicalknob.ThetemperaturecontrollerisusuallymeasuredbytemperatureItconsistsofaprobe,anadjustabledrivemechanismandapairofelectricalcontacts.Whenthetemperatureattheproberises,themedium(liquidorgas)intheprobeexpandsandpushesthedrivemechanismthroughthecapillarytubetomaketheelectricalcontactsact.Theoperatingtemperatureoftheelectricalcontactcanbeadjustedbyanadjustabledrivemechanismortheelectricalcontactcanbenormallyopened.
Themainfeaturesofthethermostatformechanicalwaterheatersare:theactiontemperaturecanbecontinuouslyadjustedwithinacertainrange,theoperationissimpleandconvenient,andthepriceislow.Suitableforgeneralhouseholduse.Thedisadvantageisthatthetemperaturecontrolmethodissingle,andonlyonemethodofcirculatingheatingcanberealized.
(2)Digitaldisplaytypecontrolelectricwaterheater(SX)
Digitaldisplaytypeelectricwaterheatercontrolsystemusuallyconsistsofdisplayboard,maincontrolboard,strongelectricboardandtemperaturesensor.
Theinformationoftemperature,settingtemperature,faultcodeandtimingnumbercanalsobesetusingthebuttonsandknobsonthecontrolpanel.Themaincontrolboardisthecoreofthecontrolsystem,whichisusedtoprocesstemperatureinformationandcontroltherunningprocessofthewaterheater.Thestrongcurrentboardisusedtoprovidethepowerrequiredbythesystem,implementstrongcurrentdriveandleakagedetection.Thetemperaturesensorisusedtocollecttemperatureinformation.
(3)Numericallycontrolledelectricwaterheater(SK)
Thenumericallycontrolledelectricwaterheateriscomposedofadisplayboard,amaincontrolboard,astrongelectricboardandatemperaturesensor.TheLCDdisplayonthedisplayboardisusedtodisplayinformationsuchasworkingmode,heatingstatus,currenttemperature,settingtemperature,settingmenu,clock,timingperiod,faultcode,etc.Youcanalsousethebuttonsontheboardtoperformsettingoperations.Themaincontrolboardisthecoreofthecontrolsystem,andtemperaturesensorsforover-temperaturedetectionandroomtemperaturedetectionareusedtocollecttemperatureinformation.
Misunderstandingswhenpurchasing
Waterandpowerfailure
Itsfunctionistoautomaticallycutoffthepowerwheninuse,andautomaticallyrestorepowerafteruseisasafetydevice.Infact,thepossibilityofelectricshockcannotbeavoidedbecauseitonlycutsoffthepowerwhenthewaterisdischarged.Ifthereisahiddendangerofleakageatthistime,theelectricshockwillbecausedduetotherestorationofthepowersupplywhenthewateristurnedoff.Inaddition,iftheelectricityleaksbeforeuse,youwillgetanelectricshockduetotouchingthemetaldooratthebeginningofuse.Thesafemethodofuseshouldbetoinstallareliablegroundwirefortheelectricwaterheateranduseapowercordwithaleakageprotector.
Hydroelectricityseparation
Somemanufacturersdeliberatelyemphasizethattheyareheatingpipesforseparatingwaterandelectricity.Infact,theheatingpipesusedinelectricwaterheatersareallseparatedbywaterandelectricity.Andaslongasitismanufacturedinaccordancewithrelevantstandards,itssafetyperformanceisveryhigh.Mostelectricwaterheatersusedirectheatingtubes,whichhavetheadvantagesofhighheattransferefficiency,durabilityandreliability,andsimplemanufacturingandinstallation.
Theroleofmagnesiumbars
Almostallmanufacturerspromotetheroleofmagnesiumbarsas"powerfuldescaling,softeningwaterquality,andcaringfortheskin."Infact,therealfunctionofmagnesiumrodisantiseptic,butitwillhardenthewaterquality,causeseriousscaling,andofcoursehaveadverseeffectsontheskin.
ChongyangPsychology
Intheeraofincreasingly"homogeneous"products,itshouldbesaidthatstate-ownedbrandelectricwaterheatersandforeignbrandsaretechnicallyindistinguishable.Theaspectisbeyondtheotherside.Moreover,state-ownedbrandshaveobviousadvantagesintermsofprice,familiaritywithregionalcultureandafter-salesservice.Therefore,thereisnoabsolutebasisforbelievinginforeignbrandsandforeigntechnology,andthiskindofpsychologycaneasilybeusedbysomeinferiordomesticproductsbranded"foreignmanufacturingandforeigntechnology"inthemarket,andthusbedeceived.
Detailedoverview
Operationandmaintenance
1.Thewateroutletmustbeopenedwhenfillingthewater.Onlyaftertheairintheinnertankiscompletelyexhaustedcanthewaterbechecked.Full;
2,thepowersupplymustbecutoffbeforeemptying;
3,forclosedinstallation,thewaterinletvalvemustbeopenduringheating;
4.Whenopeningthevalve,donotpointthedirectionofthewatertothehumanbody.
Iftheelectricwaterheaterisusedforalongtime,iftheuserdoesnotcleantheinnertankofthewaterheaterintime,itwillcauseseriousscalingoftheheatingtube,andtheheatingoftheelectricheatingtubewillnotbeheatedenough,andthehotwaterwillheatupslowlyItaffectsthenormaluse,andthereareaccidentsthatruptureduetounevenpartialheating.Therefore,theelectricwaterheaterneedstobemaintainedonceayear.
FrequentlyAskedQuestions
1.Withthesamewaterheater,theamountofhotwaterusedinwinterisnotenough,whymostoftheuseofstorage-typeelectricwaterheatersmayencounter:Icanwashafamilyofthreeinsummer,andinwinterCanonlywashoneperson(notevenenough).Whyistheresuchaproblem?
Firstofall,wemustunderstandthefollowingtemperatures:
TapwatertemperatureT1insummerisabout20-30℃(take25),winterisabout5-8℃(take6)
ThewarmwatertemperatureT2forbathing42℃
TheaveragehotwatertemperatureT3oftheinnertankofthewaterheatercanbesettoaspecificvalue,hereis70℃
Thenwefollowtheformula
Vmachine*(T3-T1)*hotwaterutilizationrate
Vwarmwater=70Lhorizontalmachine,hotwaterutilizationrate0.8Asanexample,get
T2-T1
Summercanbemixedwithwarmwater70*(70-25)*0.8÷(42-25)=147.6L
Itcanbemixedwithwarmwaterinwinter70*(70-6)*0.8÷(42-6)=99.6L
Theambienttemperatureofthebathroominsummerismuchhigherthanthatinwinter,andtheshowerisalwaysonwhentakingabathinwinterSo,Ithinkeveryonenowunderstandsthereasonthat"youcanwashafamilyofthreeinsummer,butonlyonepersoninwinter(orevennotenough).
Ofcourse,theabovecalculationexplainsthereasonfromatheoreticalpointofview.Theremaybedifferencesduetovarioussituations,butbasicallywecanunderstandthereasonsandachievethepurposewerequire.
2,whatdoesthescalemarkonthetemperaturecontrolknoboftheelectricwaterheatermean?
Currentmainstreamelectricwaterheatersgenerallyusetwotemperaturecontrolmethods:mechanicaltemperaturecontrolandelectronictemperaturecontrol.Forelectronicallycontrolledwaterheaters,wecaneasilyseetheaccuratetemperatureofthehotwaterfromthecomputerdisplaypanel.Andthetemperatureweneedtoset.Becausethemechanicaltemperaturecontrolproductdoesnothaveadisplaypanel,itisimpossibletodirectlyunderstandtheactualtemperatureofthehotwaterintheinnertank.
ManyusersThelabelingisnotveryclear,andnowasimpleexplanationisbasedonthelabelofthewaterheater.
Thescaleonthemechanicalthermostatisonlyasymbolicindication,indicatingthatthetemperatureisfromlowtohigh,andsomeuse0,1,2,3,4,5aremarked,someareindicatedbythecolorfromlighttodark,someareindicatedbyarrows,etc.Generallyspeaking,theyindicatethetemperaturefromlowtohigh.Here1,2,3,4,5Itdoesnotindicatethegearposition,nordoesitindicatehowmanydegreesthefirstgearis.Itisjustasymbolicindicationofthetemperaturelevel.Itcannotaccuratelydisplaythecurrentsettemperatureortheactualhotwatertemperatureinthetank.Thetemperatureknobisintheprocessofadjustingthetemperature.Itisnotsetbythegearposition,butissteplesslyadjusted.Generally,themaximumtemperatureofthewaterheateriscontrolledbetween70°Cand80°C.Iftheknobisturnedtothelowestpoint,thewaterheaterwillbeturnedoff.Forexample,iftheknobisturnedtoThepositionfacing3doesnotmeanthatthetemperaturecurrentlysetis50°C,butitisjustasymbolicstatementthatthetemperatureissetatmediumtemperature,whichcanonlybesaidtobearound50°C.Itisnotexactly50°Caswethink.
Generallyspeaking,thewaterheateristhemostenergy-efficientwhenitworksatmediumtemperature.Especiallyinsummer,theeffectismorepronounced.Out,becausethewatertemperatureintheinnertankisnotveryhigh,andthetemperaturedifferencewiththeoutsideisnotlarge,therelativeheatdissipationspeedisslow,thusprolongingtheheatpreservationtime.Ontheotherhand,becausethetemperatureisnothigh,theheatingtimeisshort,whichcaneffectivelysaveelectricity.
3.Whyisthesafetyvalvedrippingduringheating?Isitdangerous?
Whenthewaterheaterisheating,thevalveisclosedandtheoutletpipeisclosed.BecausethesafetyvalveissingleTocutoff,theinletpipesarealsoclosed.Therefore,theinnertankisfullyenclosedatthistime.Thewaterintheinnertankexpandsduetoheat,thevolumebecomeslarger,andthepressurebecomeshigher.Atthistime,thesafetyvalvedetectsthatthepressurebecomeshigherandexceedstheratedpressure,andthepressurereliefholewillbeopenedtodischargethewater.Pressuretoprotecttheinnertank.Therefore,therewillbethedrippingphenomenonthatwehaveseeninthesafetyvalve.Thisisnormalandthereisnodanger.Atthistime,youonlyneedtoconnectthewaterofthesafetyvalvetothebasinwitharubbertubeordirectlytothefloordrain.Itisstrictlyforbiddentoblockthepressurereliefholeinanyway.Aftertheheatingiscompleted,thedrippingwillnaturallystop.
Precautions
1.Ifthewaterheaterisnotusedforalongtimeathome,trytoturnoffthewaterheater,otherwiseitwillnotsaveenergyandgreatlyreducethelifeofthewaterheater.
2,ifconditionspermit,trytocheckthewaterheateronceayear,mainlytochecktheheatingcondition,buttonsensitivity,thedrainvalveisintact,andtheelectricallinesandbracketsshouldalsobecarefullychecked.
3.Cleantheinnertankonceeverysixmonths,mainlytocleanthescaleontheheatingtube.Thisisalsothemainreasonforchoosingabigbrand.Agoodafter-salesserviceofabigbrandcanensureprofessionalcleaningandsaveitThankstothehardworkofdo-it-yourselfresearch,thepriceisrelativelyreasonable.
4.Ifthewaterheaterhasbeenusedforthreeyearsormore,theheaterandthermostatmustbereplacedonce,andthereplacementmustbeperformedbyprofessionalpersonnel.
5.Regularlycleanthedirtoftheshowerandthewaterscreentoextendtheservicelifeofthewaterheater.
6.Itisnormalforthedrainvalvetodrip.Donotblockit,otherwiseitisveryeasytocausehiddendangers.
7.Whenthewaterheaterhasqualityproblems,donotdisassembleitbyyourself,andbesuretocontacttheafter-salesserviceforrepair.
8.Donotspraywithwaterduringthecleaningprocessofthewaterheater,anddonotwipeitwithacidicsolutions.Today'swaterheatersarerelativelyflat,sojustwipegentlywithamoistenedrag.
9.Thepowersupplyofthewaterheatershouldbeequippedwithawaterproofsocketasfaraspossible.
10.Theservicelifeoftheelectricwaterheaterisgenerallyindicatedonthemanual.Aftertheservicelifeofthewaterheater,thewaterheatershouldbereplacedasmuchaspossible,andiftheconditionsdonotpermitit,regularinspectionsshouldbecarriedout.
Cleaningmethod
Afterthewaterheaterisusedforacertainperiodoftime,alargeamountofscalewillforminside.Whenthescalethickenstoacertainlevel,notonlywilltheheatingtimebeprolonged,butalsocrackingwilloccur.Theinnertankisdamagedtoacertainextent,sothattheheatingtimeisprolongedandthehotwateroutputisreduced.Electricwaterheatersdonothaveadrainvalveandneedtobecleanedbyprofessionals.
Remembertocleantheinnertankonceduringtheseason.Thecleaningmethodistofirstcutoffthepowersupply,closethewaterinletvalve,thenopenthewateroutletvalve,andturntheplasticdrainearonthesafetyvalve90degreescounterclockwise.NaturallyDrainthewaterandsedimentinthewaterheater.Thenrinseitwithtapwater.Aftercleaning,restorethedraineartoitsoriginalposition.Payattentiontofillitbeforepoweringon.Userswhodonotturnoffthepowerofthewaterheateralltheyearroundshouldalwaysbeconcernedaboutwhetherthewaterheaterisnormal,andifthereisanyabnormality,theyshouldpromptlysendtotherepairpointforrepair.
Safetymatters
1.Thepowersupplymusthaveareliablegroundwire.
2.Afixedthree-holesocketmustbeused,andthesocketmustbeinstalledwheretheshowerwatercannotsplash.
3.Checktheleakageprotectionswitchonthepowercordofthefuselageregularly(weekly).Itisforbiddentousethesocketwithaswitchtokeeptheleakageprotectionplugworkingnormally.KeepinmindthewinterofthewaterheaterThreeAttentionsandFourRules.
Howtouse
1.Whenusingtheelectricwaterheater,turnonthepowerandtheindicatorlightison,indicatingthatitisheating.Whenthewatertemperaturereachesthesetvalue,theindicatorlightisoff,indicatingthatthepoweriscutoff.Inthisway,whentheindicatorlightisonandoff,itmeansthatitisautomaticallykeepingwarm.
2.Theelectricwaterheater(storagetype)mustbefilledwithwaterfirst,andthenenergizedforheating.Itcanbeusedafterpreheating.Ifthepressureofthewatersourcedropsorthewaterstopssuddenly,itisbesttoturnoffthepower.
3.Electricwaterheatersareequippedwithfaucetsandhaveareturninstallation.Usually,"blue"meanscoldwater,and"red"meanshotwater.Wheninuse,turnonthe"red,"faucet,andhotwaterwillflowout.Ifthewatertemperatureistoohighatthistime,youcanturnonthe"blue"faucetatthesametimeandadjusttheamountofwatertogettherighttemperatureofhotwater.
4.Therearewatertemperaturemarkscalesonthetemperatureregulatoroftheelectricwaterheater,suchas"I","Ⅱ","Ⅲ"ormarkedwithEnglishandArabicnumeralstoindicatelow,medium,orhighwatertemperatureAdjusttheposition,alignthetemperatureadjustmentknobwithacertainmark,andthewatertemperatureofthewaterheaterwillsticktothetemperaturesetbythegearindication.Whenusing,letthewatersprinkleouttotesttheactualwatertemperature,andthentakeashowertoavoidexcessivewatertemperatureandburntheskin.
5.Itisnecessarytoopenthewateroutletwhenfillingthewater,andcheckwhetherthewaterisfullaftertheairintheinnertankiscompletelydischarged.
6.Thepowermustbecutoffbeforeexclusion.
7.Whenusedasablockingdevice,theinletvalvemustbeopenduringheating.
8.Whenopeningthevalve,donotpointthedirectionofthewatertothehumanbody.
Maintenance
1.Firstuse:
Youshouldreadtheproductmanualindetailbeforeinstallingtheelectricwaterheaterforthefirsttimeanduseitforthefirsttime,andcompleteitinaccordancewiththerequirementsofthemanualPreliminarysettingsforelectricwaterheaterstopreventimproperormisoperationfromadverselyaffectingthewaterheater.Wheninstallingandusingthewaterheaterforthefirsttime,weshouldpayattentionto:
a.Ensurethefirmnessoftheinstallationandleaveenoughspaceforthewaterheatertoinstallonthesolidwall;b.EnsurethatthewaterheaterisanindependentpowersourcePowersupply,withleakageprotectiondevice;
c.Afteropeningthewateroutletvalve,waterthewaterheatertoensurethattheairinthewaterheatercanbedischargedsmoothly;
d.ConfirmthewaterheaterAfterthewaterisfilledup,itisenergizedandheated.
2.Regularinspection:
Regularinspectionofelectricwaterheatersisoneofthemosteasilyoverlookedlinksinmanyfamilies.Infact,thisisnotonlyrelatedtotheuseeffectofthewaterheater,butalsorelatedtoThesafetyofthewaterheaterisoneofthemostimportantstepsthatcannotbeomitted.Themaininspectionsare:
a.Heatingpipe:Afteraperiodofuse,waterheatersaremorelikelytoaccumulatescaleontheheatingpipeandotherparts.Regularmaintenanceoftheheatingpipecanimprovethermalefficiencyandsaveelectricitybills.effect.
b.Innertank:sameastheheatingtube,itisalsoveryimportanttocleantheinnertankofthewaterheaterregularly.Itisrecommendedthatyoufollowthestepsintheproductmanualtocleanthetanktocompletethiswork:firstturnoffthepower,Drainthewaterfromthewaterheater,andthenputitincleanwaterforcleaning.Aftercleaning,youshouldfillthewaterheaterwithwaterfirst,thenturnonthepowerandrestarttheheatingworkofthewaterheater.
3.Cleanthesurfaceofthebodyandshoweraccessories:
a.Stepstocleanthesurfaceofthebody:turnoffthepowerfirst,andthenuseaneutraldetergentandasoftfabrictowipetheshellofthewaterheater,Thenwipethecasewithacleandampcloth.Itisimportanttonotethatyoucannotusestrongacidandalkalinecleaningagents,hardobjectstocleantheshellofthewaterheater,andatthesametime,youcannotusewashing,soaking,etc.tocleantheshellofthewaterheater.
b.Stepstocleanshoweraccessories:disassembletheaccessories(suchasshowerheads),soaktheminadesiccantalkalisolvent(preferablydiluted),andthengentlyscrubthewateroutletbeforeusingCleantheaccessorieswithwaterandreinstallthem.
Maintenancetipsforelectricwaterheaters:
Everyoneknowsthatelectricwaterheatersthathavebeenidleforalongtimeneedtobepoweredoffanddrainedofthewaterinthetank.Commonsenseofelectricwaterheatermaintenance,butfewpeoplefollowthesafetymeasuresforre-activationafterlong-termnon-use.Itisrecommendedthatyoucarefullycheckthestorageofthewaterheaterbeforereactivatingthelong-termidleelectricwaterheatertoeliminatethepossibilityofunfavorablestorage.Afterthehiddendanger,followthe"firstuse"operationstepsoftheelectricwaterheatertocompletethere-activation,thisisthesafeandcorrectwaytodealwithit.
Hiddendangersofelectricityconsumption
Heatstorageelectricwaterheatersarerelativelycheapandeasytoinstall,buttheyareusuallylargeandbulky,occupyspaceandhavealongwarm-uptime;instantaneouselectricityThewaterheaterissafe,cleanandenvironmentallyfriendly.Thehotwaterusetimeisalsounlimited,anditcanbeusedtoburnasmuchaspossible,whichsaveselectricityandwater,anditissmallinsizeanddoesnottakeupspace.Therefore,ifyouareanewlyrenovatedresidence,youshouldchooseinstantelectricwaterheaters.Forold-fashionedresidentialbuildings,whenbuyingwaterheaters,youshouldconsiderthesafetyofelectricityuse.Usestorage-typeelectricwaterheaters.Duetodifferentreasonssuchasnogroundingwireorunreliablegrounding,aginglines,unqualifiedsockets,etc.,nearly70%ofdomestichouseholdshavedifferentlevelsofhiddendangersinelectricityuse.Therefore,itisbesttobuybrand-nameproductswithanti-electricwalls.Inaddition,becauseofthehighpowerofinstantelectricwaterheaters,themostdemandingcircuitcurrentcapacityisnotsuitableforold-fashionedhouseswithelectricmetersbelow10amperes.