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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.

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