Gebrauchs- und MontaGeanleitunG operatinG and · PDF fileGebrauchs- und MontaGeanleitunG operatinG and installation instructions GebruiKs- en installatieVoorschriFten instrucciones

Gebrauchs- und MontaGeanleitunGoperatinG and installation instructionsGebruiKs- en installatieVoorschriFteninstrucciones de uso y MontajeinstruKcja obsŁuGi i MontaŻuИнструкцИя ПО ЭксПЛуАтАцИИ И МОнтАЖуinstrucţiuni de Montaj şi utilizare

eleKtronisch GereGelter durchlauFerhitzer | electronically controlled instantaneous water heater | eleKtronisch GereGelde eleKtrische doorstroMer | calentador instantáneo con reGulación electrónica | eleKtronicznie reGulowany przepŁywowy oGrzewacz wody | ПрОтОчный вОдОнАгревАтеЛь с ЭЛектрОннОй регуЛИрОвкОй | Încălzitor instant controlat electronic

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List of contents

1 Operatinginstructionsfortheuserandthequalifiedinstaller________________________________ 18

1.1 Unitdescription____________________________________ 181.2 Themainfeaturesinbrief ____________________________ 181.3 Safetyinstruction___________________________________ 181.4 Importantinformation_______________________________ 181.5 Hotwateroutput___________________________________ 181.6 Thermalcut-out____________________________________ 181.7 Externalremoteoperation___________________________ 181.8 Recommendedsetting_______________________________ 181.9 FirstAidintheeventoffaults_________________________ 181.10 Careandmaintenance_______________________________ 181.11 InstructionsforInstallationandUse_____________________ 182 Installationinstructionsforthequalifiedinstaller________ 192.1 Briefdescription____________________________________ 192.2 Importantinformation_______________________________ 192.3 Instructionsandregulations___________________________ 193 Standardinstallationforthequalifiedinstaller __________203.1 Generalinstallationinformation________________________ 203.2 Placeofinstallation__________________________________ 203.3 Equipmentpreparationforinstallation __________________ 203.4 Securingthemountingbracket________________________ 203.5 Trimmingthepowercabletosize______________________ 203.6 Equipmentinstallation_______________________________ 203.7 Waterconnection__________________________________ 203.8 Electricalconnection________________________________ 203.9 Completingtheinstallation ___________________________ 203.10 Initialstart-up______________________________________ 204 Installationalternativesforthequalifiedinstaller________ 214.1 Mountingbracketwhenequipmentisreplaced __________ 214.2 Electricalconnection–finishedwalls____________________ 214.3 Electricalconnection–fromabove____________________ 214.4 Rotatedequipmentcap______________________________ 214.5 Installationofcablegrommet__________________________ 214.6 Prioritycontrol____________________________________ 214.7 Compressionfittings–finishedwalls____________________ 214.8 Solderedfitting–finishedwalls________________________ 214.9 Installationofback-wallbase__________________________ 214.10 Offsetinstallationfortiledsurfaces_____________________ 214.11 Operationwithpre-heatedwater______________________ 224.12 Temperaturecut-out _______________________________ 225 Installationalternativesforthequalifiedinstaller________225.1 TechnicalData_____________________________________ 225.2 Areaofapplication__________________________________ 226 Troubleshootingbytheuserandthequalifiedinstaller____237 Specialaccessories ______________________________ 248 Guarantee_____________________________________ 249 EnvironmentandRecycling ________________________ 24

18 21 24kW

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10520225140

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1.1 Unit descriptionDescription:Theinstantaneouswaterheaterheatswaterasitflowsthroughtheappliance.Thehotwateroutlettemperaturecanberegulatedinfinitely.Thesettemperatureappearsonthedisplay.Aboveaflowrateof2.5l/minthecontrolswitchesontherightheatingpowerdepen-dingonthetemperaturesettingandthecoldwatertemperature.

1.2 The main features in brief

DisplaywithtemperatureindicationTemperatur-Einstellknopf

Thermostat

Byturningtheadjustmentbuttontherequiredtemperaturecanbeinfinitelyad-justedandreadoffonthedisplay.Ifwiththetapfullyopenandmaximumtemperaturesettingasufficientoutlettemperatureisnotreached,morewaterisflowingthroughtheunitthantheheatingelementcanheat.Inthiscasethewaterquantitymustbereducedaccordinglyatthetap.

1.3 Safety instructionThereisariskofscaldingatoutlettemperaturesabove43°C.

Wherechildrenorpersonswithlimitedphysical,sensoryormentalcapabilitiesaretobeallowedtocontrolthisequipment,ensurethatthiswillonlyhappenundersupervisionorafterappropriateinstructionsbyapersonresponsiblefortheirsafety.Childrenshouldbesupervisedtoensurethattheyneverplaywiththeequipment.Risk of scalding!Ifthisisunavoidable,werecommendapermanenttemperaturelimit(see„Temperaturecut-out“).

1. Operating instructions for the user and the qualified installer

1.6 Thermal cut-outAthermalcut-outat43°Ccanbesetbythequalifiedinstaller.

1.7 External remote operation (notforDEL...A)

ThetemperaturecanbesetexternallyviatheradioremotecontrolFFB1andFFB2(see“7.Specialfittings”).

1.8 Recommended settingOperationwiththermostaticfittingThetemperaturemustbesetonthedevicetothemaximumvalue.

1.9 First Aid in the event of faults

• Checkthefuses• Checkthatthefittingsandshowercon-trolsarefreeoflimescaleordirtcontami-nation,seealso“6.Faultfinding”.

Ifaqualifiedinstalleriscalledinforacurrentproblem,hemustbegivenafewdetailsfromtheunitratingplate(A 20)sothathecanprovidebetterandfasterhelp:

DEL . . SLi Nr.: . . . . . . - . . . . - . . . . . .

1.10 Care and maintenance

Maintenancework,suchascheckingelectricalsafety,mayonlybecarriedout

byaqualifiedinstaller.

Allthatisneededtocleanthehousingisadampcloth.Donotuseanyabrasiveorcausticcleaningsubstances.

1.11 Instructions for Installation and Use

Followtheseinstructionscarefully,and,intheeventofchangeofownership,

passthemontothenewuser.Ifanymaintenanceorrepairworkisnecessary,givethemtothequalifiedinstallerforhimtoread.

1.4 Important informationIfthewatersupplytotheapplianceisinterrupted,e.g.becauseofarisk

offrost,orworkonthewaterpipe,thefollowingmeasuresmustbetakenpriortobringingtheappliancebackintouse:1. Removethefusesand/ortriptheMCBs,orswitchofftheappliancebymeansofthetemperatureselector(“OFF”position).

2. Openadraw-offvalvedownstreamoftheequipmentuntilallairhasbeenpur-gedfromthecoldwatersupplylineandtheequipment.

3. Replacethefusesand/orresettheMCBsorswitchtheappliancebackon.

1.5 Hot water outputColdwatertemperaturesvarydependingonthetimeofyear.Thefollowingmaximumout-putvolumes,ormixedwatervolumes,canbeachievedwiththesedifferentcoldwaterinlettemperatures(seeTable1):ϑ1= Coldwaterinlettemperatureϑ2= Mixingwatertemperatureϑ3= Outputtemperature.• Useful temperature:–approx.38°C:Forexample,forshowers,handbasins,fillingbaths,etc.

–approx.60°C:Fordishwashersandwhenusingthermostaticfittings.

ϑ2= 38 °C (Mixingwatertemperature)18kW 21kW 24kW 27kW

ϑ1 l/min*6°C 8.0 9.4 10.7 12.110°C 9.2 10.7 12.3 13.814°C 10.7 12.5 14.5 16.1

ϑ3= 60 °C (Outputtemperature)18kW 21kW 24kW 27kW

ϑ1 l/min*6°C 4.8 5.6 6.4 7.210°C 5.2 6.0 6.9 7.714°C 5.6 6.5 7.5 8.4

ϑ3= 50 °C (Outputtemperature)18kW 27kW

ϑ1 l/min*6°C 5.9 8.810°C 6.4 9.714°C 7.2 10.7

Table1*Thevaluesinthistablerelatetoasupplyvoltageof400V.Theactualoutletvolumeissubjecttotheavailablesupplypressureandmainsvoltage.

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2. Installation instructions for the qualified installer

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2.1 Brief descriptionTheelectronicallycontrolledinstantaneouswaterheaterisapressurisedunitsuitableforheatingcoldwaterorforfurtherheatingwaterpre-heatedupto55°C.Themaximumpermissibleinlettemperatureis65°C.Athighertemperaturestheunitmaybedamaged.

Withthespecialfitting“Centralthermostat“(see“7.Specialfittings”)themax.inlettemperaturecanbelimitedto60°C.

Oneormoretapscanbesuppliedwiththeunit.

Thebare-wireheatingsystemisenclosedwithpressurisedcoppercladding.Theheatingsystemissuitableforlow-limeandlime-containingwater(see“5.2Areasofuse”).

Appliance with output optionsFortheDEL18/21/24SLiinstantaneouswaterheater,theoutputisadjustableinthreestages.Initsdeliveredconditiontheapplianceissetto21kW.Iftheapplianceisinstalledwithadifferentoutput,takethefollowingsteps:• ReplugcodingcardontheappliancePCBabovetheinformationlabel,accordingtotheoutputselected.Forratedcurrentandfuse,seeSpecification.

• Marktheselectedoutputonthetypeplatewithapermanentmarker.

182124kW

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2.2 Important informationAirtrappedinthecoldwatersupplycandamagethebarewireheating

systeminsidetheequipment,ortripthesafetysystem(see“1.4 Important information”).The DEL is equipped with an air detector which, to a great extent, prevents damage to the heating system:If,duringoperation,airisdrawnintotheDEL,theequipmentshutsdownthepowerforafewseconds,therebyprotectingtheheatingsystem.

• Valves:• StiebelEltronpressurevalvesforinstantaneouswaterheaters,forinstallationonfinishedwalls(see“7.Specialaccessories”)

• Installationmaybecarriedoutusingcommerciallyavailablepressurevalves.

• Thermostaticpressurevalves(seenote“1.8Recommendedadjustment”).

• Allinformationintheseoperatingandinstallationinstructionsmustbefollowedcarefully.Theycontainimportantdetailsregardingsafety,operation,installationandmaintenanceoftheequipment.

2.3 Instructions and regulations

• Theinstallation(waterandelectricalwork)andcommissioning,aswellasthemaintenanceofthisequipment,mustonlybecarriedoutbyaqualifiedcontractorinaccordancewiththeseinstructions.

• Perfectfunctionandsafeoperationcanonlybeguaranteedwhenusingoriginalaccessoriesandsparepartsintendedforthisequipment.

• Observealllocallyapplicableinstructionsandregulationsregardingwaterandelectricalconnections.

• Observealllocalwaterandelectricitysupplycompanyregulations.

• Installthelowerareaoftheequipmentflushwiththewall(observedimension≥110mm B ).

• Thetypeplate(openthehingedflapontheequipmentcap).

• Seealso“5.Specification”.

Thespecificelectricalresistanceofthewatermaynotbebelowthevalue

writtenontheratingplate.Ifthewateriscomingfromawater-net-workthelowestvalueofthewaterresist-ancemustbeconsidered,(see„5.2areaofapplication“).Thespecificelectricalresistanceofthewaterisgenerallyknownbythewaterpro-vider.

• Installtheequipmentonlyinanenclosed,frost-freeroom.Storedismantledequipmentinfrost-freeconditions,sincethereisalwaysalittlewaterleftinsidetheequipment.

• TheprotectionlevelIP25(hose-proof)isonlyguaranteedifacorrectlyinstalledcablegrommetisused.

Water installation:–Coldwaterpipematerial: Steel,copperorplasticpipesystems.–DHWpipematerial: Copperorplasticpipesystems* Operatingtemperaturesuptoamax.60 °CcanbereachedwiththeDEL…SLiinstantaneouswaterheater(max.50°CwithDEL...A).Maximumloadsof80°C/1.0MPamayoccurbrieflyintheinstallationintheeventofafault.Theplasticpipesystemusedmustbedesignedforsuchconditions.

• Asafetyvalveisnotrequired.• Neverusevalvesforopensystems!

Electrical installation:• Electricalconnectiononlytopermanentlywiredmainspowercables

• Theequipmentmustbeabletobedisconnectedfromthemainspowersupply,forexamplebyfusesthatdisconnectallpoleswithatleast3mmcontactseparation.

2 Installationinstructionsforthequalifiedinstaller

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3. Standard installation for the qualified installer Electro: UP – bottom; Water: UP

Legend Diagram A -G 1Userinterface 2 Equipmentcap 3 Base,backwall 4DHWcompressionfitting 5Coldwatercompressionfitting (three-wayshut-offvalve) 6Cablegrommet(electricalsupplycable

frombelow) 7Mainsterminal 8 Top,backwall 9 Electronics10 Safetypressurelimiter(AE3)withreset

button11Heatingsystem12 Flowsensor(DFE)13 Plugpositionofthermostatflyleadcable14 LEDforoperatingandfaultdisplay15 Fixingbar16 Plugofthermostatflyleadcable17 Safetythermalcut-out(STB)18 Outletsensor(NTC)19 Locatinghookformountingrack(Service)20 Unitratingplate21 Hangingbracket22 Filterincoldwaterscrewconnection23 Flowratelimiter(DMB)24 Formdisc

3.1 General installation information

The equipment is prepared at the fac-tory for standard installation(seefigs.C - I ):

• InstallationaboveaworktopC (a).• Waterconnection,unfinishedwalls,com-pressionfittingG (4and5).

• Electricalconnection,unfinishedwalls,inthelowerequipmentarea F (6).

• Output21kWforthebeimDEL18/21/24SLi.

3.2 Place of installationInstalltheDEL...SLiverticallyinaccordancewithC (a–aboveorb–belowworktop)inaroomfreefromtheriskoffrost.

3.3 Equipment preparation for installation

• OpentheequipmentD : a Pulltheflapforward. b Opentheflapdownwards. c Releasethefixingscrews. d Removetheequipmentcap.

• Removethebackwallbase E : a Pressdownbothsnap-intabs. b Removethebackwallbasebypullingforwards.

• Removethefixingtoggle F (15).

3.4 Securing the mounting bracket F

• Markoutthefixingholesforthemoun-tingbracketusingtheinstallationtemplatesupplied.

• Securethemountingbracketwith2screwsandrawlplugs(notsupplied;selectionsubjecttothematerialoftherelevantwall).

3.5 Trimming the power cable to size

TrimthepowercabletosizeinaccordancewithH .

Note:Cap(a)shouldbeusedasanaidforinstallingthepowercable.

3.6 Equipment installation F• Routethepowercablethroughthecablegrommet(6)andpressthebackwalloverthethreadedstudsofthemountingbracket.

• Fittheequipment,securethefixingtoggle(15).

3.7 Water connection GImportantinstructions:

Thoroughlyflushcoldwatersupplyline!

Thefiltersupplied(22)mustalwaysbefittedwiththeflowratelimiter(23,DMB)ortheformdisc(24)(partsinthebagontheCWconnectionandintheaccompanyingpack)intheCWscrewconnection.GenerallytheDMB-12l/min(brown)istobeinstalled.

Exception:– DMB-7.5l/min(blue)forusewithathermostaticfitting.

– Formdiscforlowwaterpipepressure. Uponreplacementinstallationthepre-senceofthefiltermustbechecked.

Neverusethethree-wayshut-offvalve(5)toreducetheflowrate.

3.8 Electrical connectionConnecttheelectricalsupplycabletotheterminalstrip(seeWiringdiagram I ).

Importantinformation:

TheprotectionlevelIP25(hose-proof)canonlybeensuredwitha

correctlyfittedcablegrommetA (6)andsealonthecablebush.Connecttheequipmenttoearth.

3.9 Completing the installation

1.Openthethree-wayshut-offvalveG (5).

2.Fitthebackwallbase E .

3.10 Initial start-up(onlybyaqualifiedcontractor)

1 Fill and vent the equipment. Please note: risk of running dry! Openandcloseallconnecteddraw-offvalvesseveraltimes,untiltheairhasbeenpurgedfromthepipeworkandtheequipment,see“2.2 Important information”.

2 Activate the safety pressure li-miter. TheDEL…SLielectronicLCDissuppliedwiththesafetypressurelimiter(AE3)inatrippedstate(presstheresetbutton).

3 Push set value transducer cable plug onto the PCB.

4 Fit the equipment cap and secure with the screw.

5 Switch on the mains power.

6 Check the instantaneous water heater function.

7 Remove the protective film from the user interface.

EquipmenthandoverExplaintheequipmentfunctiontotheuserandfamiliarisetheuserwithitsoperation.Important information:• Maketheuserawareofpossibledangers(scalding).

• Handovertheseinstructionstotheuserforsafekeeping.

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Alternative installations are shown in figures J - S .

4.1 Mounting bracket when equipment is replaced J

• TheexistingmountingbracketcanbeusedwhenreplacingStiebelEltronequipment(except“DHF”).Useasuitablegrommetinthebackwall.

• Whenreplacing“DHF”,turnthemoun-tingbracket(a)180°(logo“DHF”turnedtowardsthereader)andmovethethrea-dedstud(b)totheupperr.h.corner.

• Whenreplacingthirdpartyequipment,usesuitableholesforrawlplugs(c)tosecurethemountingbracketsupplied.

4.2 Electrical connection – finished walls

• Cutormakeanopeningforthepowercableinthebackwallandequipmentcap(seeK forpossiblelocationsforopenings.

• TheprotectionlevelchangestoIP24(splash-proof)forelectricalconnectiononfinishedwalls.

Attention: Theequipmenttypeplatemustbemar-kedasfollowsinballpointpen:

CrossthroughIP25andputacrossintheboxIP24.

4.3 Electrical connection – from above L

• Cutaholeforthepowercableintheca-blegrommet.

• Pushtheterminalstripupwardsfrombelow,forthispressinthesnap-intab(a)andisolatetheterminalstrip.

Attention: Installflexiblewiresunderthecableguide(b).

Snaptheterminalstripintoplaceatthetop(c).

4.4 Rotated equipment capTheequipmentcapcanberotatedforunder-worktopinstallationM :• Pressinthesnap-intabtoremovetheuserinterface(a)fromtheequipmentcap.

• Rotatetheequipmentcap(b)(nottheequipment).Inserttheuserinterfaceandlockallsnap-intabsintoplace.

Attention: Donotinstallauserinterfacewithdama-gedsnap-intabs.

• PushsetvaluetransducercableplugontothePCB(see 3 “3.10Initialstart-up”).

• Hangtheequipmentcap(b)atthebot-tomandswingupintopositiononthebackwall.Pushthecapforwardsandbackwardstoensurecorrectseatingofthesurroundingback-wallgasket.

• Screwdowntheequipmentcap.

4.5 Installation of cable grommet

Theequipmentmaybeinstalledwitharetro-fittedcablegrommetN .• Pressoutthecablegrommetusingascre-wdriver(a).

• Securetheequipmentonthemountingbracket.

Whenusinga10or16mm²powercable,enlargetheholeinthecablegrommet.

• Pushthecablegrommetoverthepowercable(b,installationaid),fittothebackwall(c)andsnapinplace(d).

4.6 Priority control OWhenusedinconjunctionwithotherelectri-calequipment,e.g.electricstorageheaters,usetheloadcircuitbreaker:a Loadcircuitbreaker(see“7.Specialac-cessories“).

b Controlcabletothecontactoroftheotherequipment(e.g.electricstoragehe-ater),

c Controlcontact–openswhenswitchingtheDEL...SLion.

TheloadbreakertripsassoonastheDEL...SListarts.

Onlyconnecttheloadcircuitbreakertothecentrephaseoftheequipmentterminals(mainspower).

4.7 Compression fittings – finished walls

Stiebel Eltron pressure valve (finished walls)WKMD or WBMD P(partno.see“7.Specialaccessories”)• FitthewaterplugG½withgaskets(a)(partofthestandarddeliveryofStiebelEltronpressurevalvesforfinishedwalls).Twowaterplugs(specialaccessoryset)(see“7.Specialaccessories”)arerequiredforthirdpartypressurevalves.

• Fitthevalves.

• Pushtheback-wallbasebelowthevalveconnectionpipesandsnapitintotheback-walltop.

• Screwtheconnectionpipestotheequip-ment.

Preparetheequipmentcapforthisinstalla-tion R :• Breakoutthebushknock-outs(a)intheequipmentcapcleanly,ifnecessaryuseafile.

• Knockoutthelipsfromthecapguidessupplied(b).Ifthevalveconnectionpipesareslightlyoffset,thecapguides(b)canbeusedwithoutknockingoutthelips.Inthiscase,theback-wallguides(c)arenotused).

• Snapthecapguidesintothebushknock-outsintheequipmentcap.

• Fittheback-wallguidessupplied(c)ontothepipes(presstopandbaseontopipeandpushtogether).

• Pushback-wallguides(c)ontobackwalloftheequipmentuntilitstops.

SecuringequipmentWhenconnectedtoflexiblewaterpipesystems,thebackwallmustbesecuredatthebottombymeansofanadditionalscrew(d).Hangtheequipmentcap(b)atthetopandswingdownontothebackwall.Thewebsofthecapguidesmustgripintotheback-wallguidesandlockintothem.

4.8 Soldered fitting – finished walls

UsingthespecialaccessoryQ (a),partno.see“7.Specialaccessories”,itispossibletoprovideascrewconnectionwiththecustomer’s12mmcopperpipes.• Installpartsofthespecialaccessory.• Soldertheinserttothecopperpipes.• Pushtheback-wallbaseunderneaththevalveconnectionpipesandsnapintothetopofthebackwall.

• Screwtheconnectionpipestotheequip-ment.

Attention:Notetheinformationin“4.7Compressionfittings–finishedwalls”:• Equipmentcap,equipmentbackwallandequipmentfixingmustbepreparedforthisinstallationmethod.

• Equipmentfixing.• Capinstallation.

4.9 Installation of back-wall base

Withconnectionfittingsforfinishedwalls,theback-wallbasecanalsobefittedafterthevalveshavebeenfitted S :• Cuttheback-wallbase(3)asshowninthediagram(a).

• Insertthelinks(bfromtheextraitemordered)fromthebackintothecentrepart.

• Guidethecentrepartunderneaththepipes,pushupandfitwiththeback-wallbase.

• Fittheback-wallbasetothebackwall. Theback-wallbasemustbesecuredwithanadditionalscrew(c).

• Fitthevalveconnectionpipestotheequipmentfittings.

4.10 Offset installation for tiled surfaces

Whentheequipmentisfittedontoatiledsurface( B max.20mm),thetoggle( F 15)initiallyadjuststhewallclearanceandthensecurestheequipment.

4. Installation alternatives for the qualified installer Electro: UP – top, AP – bottom/top, Load-shedding relay; Water: AP; Turned device cover; Tile offset

4 Installationalternativesforthequalifiedinstaller

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4.11 Operation with pre-heated water

TheDEL...SLielectronicLCDpermitsfurtherheatingoftheinletwateruptomax.60°C(50°CbyDEL...A).

Withinlettemperaturesabove55°Cthewaterisnotheated.

Amaximuminlettemperatureof60°Cisensuredbytheinstallationofacentralthermostatfitting(see“7. Special fittings”).

4.12 Temperature cut-out MAcut-outontheoutlettemperatureat43°Ccanbesetbythefollowingsteps:1. Unscrewcoverfixingscrewandremoveunitcover.

2. Pushslideswitchintoposition“43”.3. Fitunitcoverandtightenscrew.

4. Installation alternatives for the qualified installer Operation with pre-heated water; Temperature cut-out

5. Technical data and areas for the qualified installer

Table2

* *Valuesfor400V.ThevaluesforpressuredropalsoapplytominimumflowpressuretoDIN44851/flowrateforheatingfrom10°Cto60°C(∆ϑ50K).WithreferencetoDIN1988part3,table4,apressuredropof0.1MPaisrecommendedforsizingthepipework.

5.1 Technical Data (Thedataontheunitratingplateapply)

5.2 Area of applicationSpecificelectricalresistanceandspecificelectricalconductivity.

Detailsas Rangesofusefordifferentreferencestemperatures

Normesdetailsat15°C bei20°C bei25°C

ResistanceConductivityConductivity

ΩcmmS/mµS/cm

≥900≤111≤1110

≥800≤125≤1250

≥735≤136≤1360

Table3

5 Installationalternativesforthequalifiedinstaller

Typ DEL 18 SLi 25 Aelectronic LCD

DEL 18/21/24 SLielectronic LCD

DEL 27 SLielectronic LCD

DEL 18 A DEL 27 A

Partnumber 227498 227499 227500 230136 230137

Ratedoutput 400V kW 18 18 21 24 27 18 27380V kW 16,2 16,2 19 21,7 24,4 - -

Ratedcurrent 400V A 26 29 33 35 39 26 39380V A 24,7 27,6 31,4 33,3 37,1 - -

Fuseprotection A 25 32 32 35 40 25 40Outputcanbeselected nein ja ja ja nein nein neinPressuredrop*WithDMB(brown)WithoutDMB

MPa/l/minMPa/l/min

0,075/5,20,05/5,2

0,075/5,20,05/5,2

0,095/6,00,065/6,0

0,125/6,90,085/6,9

0,155/7,70,105/7,7

0,075/5,20,05/5,2

0,155/7,70,105/7,7

Flowratelimiter(DMB) l/mincolor

12,0/7,5brown/blue

12,0/7,5brown/blue

12,0/7,5brown/blue

12,0/7,5brown/blue

12,0/7,5brown/blue

12,0/7,5brown/blue

12,0/7,5brown/blue

Temperaturesetting 30-60°C 30-50°CRatedcontent 0,4lDesign Closed

Ratedpressure 1MPa(10bar)Weight 4.5kgProtectionclasstoEN60335 1ProtectionclasstoEN60529 IP25(IP24atelectricalconnection-finishedwalls)Testmark SeechapteronapplicationareasWaterconnection(externalthread) G½AElectricalconnection 3/PE~380-400V50Hz 3/PE~400V50HzVDEWapproval vorhanden

Barewireheatingsystem Seechapteronapplicationareas

Coldwaterinlettemperature max.65°C

Areaofuse Low-limeandlime-containingwater

Flowrate“in” ≥2.5l/min

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6. Troubleshooting by the user and the qualified installer

Fault Cause Displaydiagno-sisLED

Furtherdiagnosiswithservicemonitor*

Elimination

Nohotwater/Outlettem-peraturenotcorrect

Nomainsvoltage

NoLEDon

User: Checkfuseinthehouseinstallation

AE3hastripped Qualifiedinstaller : Clarifycause.Rinseheating-systemofunit,inordertoavoidover-heating.SwitchAE3onagain(checkcorrectconnectionSTB).

Electronicfault Qualifiedinstaller : Checkelectronicsandifnecessaryreplace

Failureofaphase GreenLEDflashingYellowLEDoff

User: Checkfuseinthehouseinstallation

Unitatpowerlimit Powerbar100% User: ReduceflowQualifiedinstaller : IfnecessaryinstallDMB

Inlettemperature>55°C

GreenLEDflashingRedLEDon

DisplayC1(inlet) Qualifiedinstaller : Limitinlettemperature

DFEfaultyornotpluggedin

GreenLEDflashingYellowLEDof

Checkflow Qualifiedinstaller : CheckorreplaceDFEconnection

Heatingsystemfaulty

GreenLEDflashingYellowLEDon

Qualifiedinstaller : Checkheatingsystemandreplaceifnecessary

Inletsensorfaulty GreenLEDflashingRedLEDpermanentlyon

ErrorE1(ELEC) Qualifiedinstaller : Replaceelectronics

Outletsensorfaulty

ErrorE2(NTC) Qualifiedinstaller : Checkconnectionifnecessaryreplaceoutletsensor

Errorinthesafetyelectronics

GreenLEDflashingRedLEDonintapoperation

ErrorE3(AE3) Qualifiedinstaller : AttachAE3connectioncableandcheckAE3

Flowtoosmall

Showerhead/perla-torsscaled

(Checkflow) User: Checkfuseinthehouseinstallation

Fouling Qualifiedinstaller : Cleanfilter

LCDdisplaycompletelyoff

Looseconnectingcabletocontrolunit GreenLED

flashing

Qualifiedinstaller : Attach/checkconnectingcable

Controlunitelec-tronicsfaulty

Qualifiedinstaller : Checkcontrolunitifnecessaryreplace

Setvaluecannotbesetabove43°C

Temperaturecut-outisactivated

GreenLEDflashing

Qualifiedinstaller : Deactivatetemperaturecut-out

Shorttermcoldwater

Noflowbreakin<2.5l/min

Unitgoesautomaticallybackintooperationifsufficientflowpresent>2.5l/min

Airrecognitiontrips(coldwaterforapprox.1min)

Unitgoesautomaticallybackintooperationwithdelay

Table4 * TheservicemonitorOrderNo221332offersfurtherdiagnosisoption(see“7.Specialfittings”).

LED display options red yellow green

6 Troubleshootingbytheuserandthequalifiedinstaller

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7. Special accessories

7 Specialaccessories

8 Guarantee9 EnvironmentandRecycling

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Remote controls for DEL…SLiTheradioremotecontrolsareoperatedbymeansofwirelessuserinterfaces.Perfectcommunicationisguaranteedupto25minbuildings.Theinstantaneouswaterheatercanbeoperatedwithamaximumof6radioremotecontrols(notforDEL...A)Thecontrolunitontheequipmentonlyshowsthetemperaturesetintheremotecontrol,itcannotadjustthetemperature!

• FFB 1 – Radio remote control Partno.169478Operationfromtwolocations:Equipmentandradioremotecontrol.Accessory:radioremotecontrol(transmit-ter),connectionmodule(receiver)andwallmount.

• FFB 2 – Radio remote controlPartno.169482RadioremotecontrolasanextensionofFFB1Accessory:radioremotecontrol(transmit-ter)andwallmount.

Two-handle pressure valves• Kitchen valve WKMDPartno.222437

• Bath valve WBMDPartno.222438

Installation accessories• Under-worktop set – unfinished

wallsPartno.070565Connectionsforfinishedwalls,G3/8”,top

• Set 2x water plugs G ½Partno.074326Requiredwiththirdpartypressurevalves( P a).

Note:NotrequiredforStiebelEltronvalvesWKMDandWBMD.

• Installation set for finished walls Solderfitting–copperpipe: Partno.074019(Q a)comprising:– 2xwaterplugG½”.– 2xunionnut½”withinsertforsolderfittingØ12mm.

Compressionfitting–copperpipe: Partno.222380– 2xwaterplugG½”.– 2xcompressionfitting½”x15mm,plusgaskets.

Compressionfitting–plasticpipe: Partno.222381– 2xwaterplugG½”.– 2xcompressionfittings½”x16mm(Viega:Sanfix-PlusorSanfix-Fosta),plusgaskets.

• Universal mounting framePartno.220291consistingof:– mountingframewith– electricalwiring Thissetcreatesagapof30mmbet-weentheequipmentbackwallandtheinstallationwall.

Thisenablestheelectricalconnectiontoberoutedoverunfinishedwallsatanypointbehindtheequipment.Itincreasestheequipmentdepthby30mmandreducestheprotectionleveltoIP24(splash-proof).

• Offset installation – unfinished wallsPartno.220290consistingof:– universalmountingframe(seepartno.220291forspecification).

– pipebendsforverticaldisplacementoftheequipmentby90mmdownwardscompa-redtothewaterconnection.

• Gas water-heater replacement setPartno.220510consistingof:– universalmountingframe(seepartno.220291forspecification).

– pipebendsforinstallationatexistinggaswater-heaterconnections(coldwaterleftandhotwaterright).

• Load circuit breaker LR 1-APartno.001786PrioritycontroloftheDEL…SLielectroniccomfortforsimultaneousoperationofe.g.electricstorageheaters.ForconnectionoftheLR11-A,seeO .

• Accessories for operation of a DEL ... SLi with pre-heated waterZTA3/4–centralthermostaticvalvePartno.073864Byaddingcoldwaterviaabypasspipe,thecentralthermostaticvalveinstalledimme-diatelyabovethestoragewatercylinderguaranteesthattheoutlettemperatureof60°Cisnotexceeded.

• Service monitor Partno.221332 DiagnosticunitforfaultrecognitionintheDEL...SLi/DEL...A..

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9. Environment and Recycling

RecyclingofobseleteappliancesApplianceswiththislabelmustnotbedisposedoffwiththegeneralwaste.Theymustbecollectedseparatelyand

disposedoffaccordingtolocalregulations.

Forguaranteespleaserefertothepespec-tivetermsandconditionsofsupplyforyourcountry.

Theinstallation,electricalconnectionandfirstoperationofthisappliance

shouldbecarriedoutbyaqualifiedinstaller.

Thecompanydoesnotacceptliabilityforfailureofanygoodssuppliedwhichaccor-dancewiththemanufacturer‘sinstructions.

!

8. Guarantee

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