Danfoss EvoFlat Operating instructions

Brand: Danfoss

Model: EvoFlat

Type: Operating instructions

InstallationGuide

EvoFlat

1.0TableofContents

1.0TableofContents.............................................1

2.0Safetynotes.....................................................2

2.1SafetyNotes–general............................................2

3.0Mounting........................................................3

3.1Mounting...........................................................3

3.2Start-up..............................................................4

3.3Electricalconnections.............................................5

4.0Design.............................................................6

4.1Design,A............................................................6

4.2Schematic,Adiagram.............................................7

4.3Design,Std..........................................................8

4.4Schematic,Std.diagram..........................................9

5.0Controls..........................................................11

5.1Controls.............................................................11

5.2Maintenance........................................................15

6.0Troubleshooting..............................................16

6.1Troubleshootingingeneral......................................16

6.2TroubleshootingDHW............................................16

6.3TroubleshootingHE...............................................17

6.4Disposal.............................................................18

7.0Declaration......................................................19

7.1Declarationofconformity........................................19

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2.0Safetynotes

2.1SafetyNotes–general

Thefollowinginstructionsrefertothestandarddesignof

substation.

Thisoperatingmanualshouldbereadcarefullybeforeinstallation

andstart-upofthesubstation.Themanufactureracceptsno

liabilityfordamageorfaultsthatresultfromnon-compliancewith

theoperatingmanual.Pleasereadandfollowalltheinstructions

carefullytopreventaccidents,injuryanddamagetoproperty.

Assembly,start-upandmaintenanceworkmustbeperformedby

qualiedandauthorizedpersonnelonly.

Pleasecomplywiththeinstructionsissuedbythesystem

manufacturerorsystemoperator.

Corrosionprotection

Allpipesandcomponentsaremadeofstainlesssteelandbrass.

Themaximumchloridecompoundsoftheowmediumshouldnot

behigherthan150mg/l.

Theriskofequipmentcorrosionincreasesconsiderablyifthe

recommendedlevelofpermissiblechloridecompoundsis

exceeded.

Energysource

Thesubstationisdesignedtobeconnectedtodecentralized

heatinginstallationswithvariousenergysources,suchasdistrict

heating,centralboiler(gas,oil,biomass,etc.),solar,heatpumpora

combinationbetweenthemiftheoperatingconditionsallowit.

Application

Thesubstationisdesignedtobeconnectedtothehouse

installationinafrost-freeroom,wherethetemperaturedoesnot

exceed50°Candthehumiditydoesnotexceed80%.Donotcover

orwallupthesubstationorinanyotherwayblocktheentrance

tothestation.

Choiceofmaterial

Choiceofmaterialsalwaysincompliancewithlocallegislation.

Safetyvalve(s)

Werecommendmountingofsafetyvalve(s),however,alwaysin

compliancewithlocalregulations.

Connection

Thesubstationmustbeequippedwithfeaturesthatensurethat

thesubstationcanbeseparatedfromallenergysources(also

powersupply).

Emergency

Incaseofdangeroraccidents-re,leaksorotherdangerous

circumstances-interruptallenergysourcestothestationif

possible,andseekexperthelp.

Incaseofdiscolouredorbad-smellingdomestichotwater,closeall

shut-offvalvesonthesubstation,informtheoperatingpersonnel

andcallforexperthelpimmediately.

Storage

Anystorageofthesubstationwhichmaybenecessarypriorto

installationshouldbeinconditionswhicharedryandheated.

Authorizedpersonnelonly

Assembly,start-upandmaintenanceworkmustbeperformedby

qualiedandauthorizedpersonnelonly.

Pleaseobserveinstructionscarefully

Toavoidinjurytopersonsanddamagetothedevice,itisabsolutely

necessarytoreadandobservetheseinstructionscarefully.

Warningofhighpressureandtemperature

Beawareoftheinstallation’spermissiblesystempressureand

temperature.

Themaximumtemperatureoftheowmediuminthesubstationis

95°C.

Themaximumoperatingpressureofthesubstationis10bar.

Theriskofpersonsbeinginjuredandequipmentdamagedincreases

considerablyiftherecommendedpermissibleoperatingparameters

areexceeded.

Thesubstationinstallationmustbeequippedwithsafetyvalves,

however,alwaysinaccordancewithlocalregulations.

Warningofhotsurface

Thesubstationhasgothotsurfaces,whichcancauseskinburns.

Pleasebeextremelycautiousincloseproximitytothesubstation.

Powerfailurecanresultinthemotorvalvesbeingstuckinopen

position.Thesurfacesofthesubstationcangethot,whichcancause

skinburns.Theballvalvesondistrictheatingsupplyandreturnshould

beclosed.

Warningoftransportdamage

Beforesubstationinstallation,pleasemakesurethatthesubstation

hasnotbeendamagedduringtransport.

IMPORTANT-Tighteningofconnections

Duetovibrationsduringtransportallangeconnections,screwjoints

andelectricalclampandscrewconnectionsmustbecheckedand

tightenedbeforewaterisaddedtothesystem.Afterwaterhasbeen

addedtothesystemandthesystemhasbeenputintooperation,

re-tightenALLconnections.Checkthatallhairpinsinclickconnections

arecompletelypushedin.

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3.0Mounting

3.1Mounting

Installationmustbeincompliancewithlocalstandardsand

regulations.

HeatSource(HS)-Inthefollowingsections,HSreferstotheheat

sourcewhichsuppliesthesubstations.Avarietyofenergysources,

suchasoil,gasorsolarpower,couldbeusedastheprimarysupply

toDanfosssubstations.Forthesakeofsimplicity,HScanbetaken

tomeantheprimarysupply.

Authorizedpersonnelonly

Assembly,start-upandmaintenanceworkmustbeperformedby

qualiedandauthorizedpersonnelonly.

3.1.1Installation

Mounting:

Adequatespace

Pleaseallowadequatespacearoundthesubstationformounting

andmaintenancepurposes.

Orientation

Thestationmustbemountedsothatcomponents,keyholes

andlabelsareplacedcorrectly.Ifyouwishtomountthestation

differentlypleasecontactyoursupplier.

Drillings

Wheresubstationsaretobewall-mounted,drillingsareprovided

inthebackmountingplate.

Labelling

Eachconnectiononthesubstationislabelled.

Beforeinstallation:

Cleanandrinse

Priortoinstallation,allsubstationpipesandconnectionsshouldbe

cleanedandrinsed.

Thightening

Duetovibrationduringtransport,allsubstationconnections

mustbecheckedandtightenedbeforeinstallation.Checkthatall

hairpinsinclickconnectionsarecompletelypushedin.

Unusedconnections

Unusedconnectionsandshut-offvalvesmustbesealedwitha

plug.Shouldtheplugsrequireremoval,thismustonlybedoneby

anauthorizedservicetechnician.

Installation:

Strainer

Ifastrainerissuppliedwiththestationitmustbettedaccording

toschematicdiagram.Pleasenotethatthestrainermaybe

suppliedloose.

Connections

Connectiontothehouseholdinstallationanddistrictheatingpipes

connectionsmustbemadeusingthreaded,angedorwelded

connections.

Theinternalconnectionsofthesubstationismadebyclick-t

connections(see5.1.11).

Keyholeformounting.

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3.2Start-up

Start-up,Directheating

Theshut-offvalvesshouldbeopenedandtheunitobservedas

itentersservice.Visualcheckingshouldconrmtemperatures,

pressures,acceptablethermalexpansionandabsenceofleakage.

Iftheheatexchangeroperatesinaccordancewithdesign,itcanbe

puttoregularuse.

Afterwaterhasbeenaddedtothesystemandthesystemhasbeen

putintooperation,re-tightenALLconnections.Checkthatall

hairpinsinclickconnectionsarecompletelypushedin.

Re-thightenconnections

Afterwaterhasbeenaddedtothesystemandthesystemhasbeen

putintooperation,re-tightenALLconnections.Checkthatallhairpins

inclickconnectionsarecompletelypushedin.

Start-up,Heatingwithmixingloop

Start-up:

1:Pumpspeed

Setthepumptoitshighestspeedofrotationbeforestart-up.On

radiatorsystems,theselectorswitchisnormallysetin“Variable

curve/Proportionalcurve”setting,in“max.pos. ” .Foroorheating

systems,theselectorswitchisnormallysetin“Constantcurve”

setting,in“max.pos. ” .

2:Startpump

Startthepumpandheatthroughthesystem.

3:Openshut-offvalves

Theshut-offvalvesshouldthenbeopenedandtheunitobserved

asitentersservice.Visualcheckingshouldconrmtemperatures,

pressures,acceptablethermalexpansionandabsenceofleakage.

Ifthesystemoperatesinaccordancewithdesign,itcanbeput

toregularuse,-alwaystakingintoaccounttheconditionsinthe

building.

4:Ventsystem

Switchoffthepumpandventtheinstallationafterthesystemhas

beenwarmedup.Pleasenotethatsomepumptypesfeaturea

built-inventingfunction.Forotherstheinstallationcanbevented

byusingaventvalveinthesubstationorontheradiators,or,if

appropriate,theairvalveatthehighestpointofthesystem–For

additionalinformation,pleasereferstotheenclosedpumpand

manual.

5:Adjustpumpspeed

Setthepumptothelowestpossibleposition,dependingonthe

heatingrequirementforthebuilding-takingintoaccountaspects

suchascoolingandpowerconsumption.

Iftheheatingrequirementincreasesthepumpsettingcanbe

changedbymeansoftheselectorswitch.Pleaserefertothe

enclosedinstructionmanualfordetailedinformationaboutsetting

ranges.

Inthesummer,youcanswitchoffthepowertothepumpatthe

mainsifyouwanttosaveelectricitybynotheatingyourhome.It

shouldbeensuredthatnoinappropriatehydraulicsituationwill

occur,whenthepowertoyourpumpisturnedoff.

Forstart-upandventing–seeaboveandtheenclosedpump

manual.

Re-thightenconnections

Afterwaterhasbeenaddedtothesystemandthesystemhasbeen

putintooperation,re-tightenALLconnections.Checkthatallhairpins

inclickconnectionsarecompletelypushedin.

Pump

Thepumpmustbeswitchedoffduringsystemll.

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3.3Electricalconnections

Beforemakingelectricalconnections,pleasenotethe

following:

Safetynotes

Pleasereadtherelevantpartsofthesafetynotes.

230V

Thesubstationmustbeconnectedto230VACandearth.

Disconnection

Thesubstationmustbeelectricallyconnectedsothatitcanbe

disconnectedforrepairs.

Grounding/potentialcompensation

Thestationshouldbeconnectedtoagroundingpointontheright

sideofthestationmountingrail.

Authorizedelectrician

Electricalconnectionsmustbemadebyanauthorizedelectricianonly.

Localstandards

Electricalconnectionsmustbemadeinaccordancewithcurrent

regulationsandlocalstandards.

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4.0Design

4.1Design,A

Yoursubstationmightlookdifferentthanthesubstationshown.

Designdescription

FSSA26-40(leftphoto)

MSSA26-40(rightphoto)

Plateheatexchanger

Strainer

Returntemperaturelimiter

Checkvalve

Sensorpocket

Circulationpumpmixingcircuit

Fittingpiece,energymeter

Sensorpocket

Hotwater/dpcontroller

Fittingpiece,energymeter

Summerby-pass

Actuator

Fittingpiece,watermeter

ValveHE

59A

Fittingpiece,watermeter

Hotwater/dpcontroller

59BFittingpiece,watermeter

Summerby-pass

Flowlimiter

Safetyswitch

Fittingpiece,watermeter

59A

Fittingpiece,watermeter

59BFittingpiece,watermeter

Flowlimiter

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4.2Schematic,Adiagram

FSSA26-40

DHW

DCW

Supply

Return

MSSA26-40

DHW

DCW

Supply

Return

Yoursubstationmightlookdifferentthantheschematicdiagramshown.

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4.3Design,Std.

Yoursubstationmightlookdifferentthanthesubstationshown.

Designdescription

FSS26-40(leftphoto)

MSS26-40(rightphoto)

Plateheatexchanger

Strainer

Returntemperaturelimiter

Checkvalve

Sensorpocket

Circulationpumpmixingcircuit

Fittingpiece,energymeter

Sensorpocket

Hotwater/dpcontroller

Fittingpiece,energymeter

Summerby-pass

Actuator

Fittingpiece,watermeter

ValveHE

Hotwater/dpcontroller

Summerby-pass

Fittingpiece,watermeter

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4.4Schematic,Std.diagram

FSS26-40

DHW

DCW

Supply

Return

MSS26-40

DHW

DCW

Supply

Return

Yoursubstationmightlookdifferentthantheschematicdiagramshown.

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4.4.1EVOFlatTechnicalparameters

Technicalparameters

Nominalpressure:FSSPN10/PN10andMSSPN6/PN10

Max.DHsupplytemperature:

95°C

Min.DCWstaticpressure:

1.0bar

Brazingmaterial(HEX):

Copper

Heatexchangerstestpressure:25bar

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5.0Controls

5.1Controls

5.1.1TPCmultifunctionalcontroller

Multifunctionalcontrollerwithintegratedzonevalve,airvent,

differentialpressureandDHWtemperaturecontroller.

DHWtemperaturecontrol

Byturningthehandlefortemperaturetemperaturein(+/MAX)

directionthetemperatureisincreased,byturningitin(-/MIN)

directionthetemperatureisdecreased.

Settingrange40-60°C.

DHWtemperatureshouldbeadjustedto45-50°C,asthisprovides

optimalutilizationofDHwater.AtDHWtemperaturesabove55°C

thepossibilityoflimescaledepositsincreasessignicantly.

Differentialpressurecontroller

Thedifferentialpressurecontrollerequalizesthehighuctuations

inpressurearrivingfromtheheatsource,ensuringconstant

operatingpressure

Zonevalve

Thestationissuppliedwithazonevalveandthusprepared

formountingofathermalactuatorTWA-ZNC,whichenables

connectionofanelectronicprogrammableroomthermostat

TP7000.

5.1.2Airvent

Airvent

Thestationshouldbeventedduringstartup.

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5.1.3TP7000

TP7000electronic7dayprogrammableroomthermostat.

Signalsfromtheroomthermostatcanbeusedtocontrolzone

valves.

Note:Beforemountingofelectronicprogrammableroom

thermostat,thermoactuatorTWA-ZNCmustbemountedonthe

zonevalve.

5.1.4Strainer

Strainersshouldbecleanedregularlybyauthorizedpersonnel.The

frequencyofcleaningwoulddependonoperatingconditions.

5.1.5Summerbypass

Thebypassthermostatisdesignedtokeepthesupplylinewarm.

Settingrange:10-50°C.

Scalesetting(indicative).

Factorysetting2,5.

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5.1.6Mixingloop

Themixingloopcreatesasuitabletemperaturelevele.g.foroor

heating.

5.1.7FTCcontrol

TheFTCcontrolsthemixingloopHEsupplytemperature.

Settingrange15-50°C.

Thesettingvaluesmayvarydependingontheoperating

conditions.Itisimportanttosetthesupplytemperaturetothe

radiatorsaslowpossible.

NB!Forhousesthatareheatedexclusivelywithoorheating.

ALWAYSrefertotheinstructionsfromtheoorsupplier.

Factorysetting:50°C.

5.1.8Safetythermostat

ThesafetythermostatwillshutthezonevalveiftheHEsupply

temperatureisabove55°C.

5.1.9Safetyvalve

Thepurposeofthesafetyvalveistoprotectthesubstationfrom

excessivepressure.

Theblow-offpipefromthesafetyvalvemustnotbeclosed.The

blow-offpipeoutletshouldbeplacedsothatitdischargesfreely

anditispossibletoobserveanydrippingfromthesafetyvalve.

Itisrecommendedtochecktheoperationofsafetyvalvesat

intervalsof6months.Thisisdonebyturningthevalveheadin

directionindicated.

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5.1.10ReturntemperaturelimiterFJVR(10-55°C)

ThereturnlimitertypeFJVRautomaticallycontrolsthereturn

temperaturefromheatingsystem.

Thereturntemperaturelimitershouldbesettotherequired

maximumreturntemperature,incompliancewiththelocal

demands.

Factorysetting:3.

5.1.11Fittingpiece

Thesubstationisequippedwithattingpieceforenergymeter.

Mountingofenergymeters:

1:Closeballvalves

ClosetheballvalvesonDHSupplyandDHReturn,ifthereiswater

onthesystem.

2:Loosennuts

Loosenthenutsonthettingpiece.

3:Removettingpiece

Removethettingpieceandreplaceitwiththeenergymeter.Do

notforgetthegaskets.

4:Tightenconnections

Aftermountingoftheenergymeterremembertocheckand

tightenallthreadedconnections.

5.1.12Sensorpocket

Sensorpocket,energymeter

Thesensoroftheenergymeterismountedinthesensorpockets.

Thesensorpocketisplacedinthestrainer.

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5.1.13Clickconnection

Theclickconnectioncanbedismantledduringservice.

5.2Maintenance

Thesubstationrequireslittlemonitoring,apartfromroutine

checks.Itisrecommendedtoreadtheenergymeteratregular

intervals,andtowritedownthemeterreadings.

RegularinspectionsofthesubstationaccordingtothisInstruction

arerecommended,whichshouldinclude:

Strainers

Cleaningofstrainers.

Meters

Checkingofalloperatingparameterssuchasmeterreadings.

Temperatures

Checkingofalltemperatures,suchasHSsupplytemperatureand

DHWtemperature.

Connections

Checkingallconnectionsforleakages.

Safetyvalves

Theoperationofthesafetyvalvesshouldbecheckedbyturning

thevalveheadintheindicateddirection.

Venting

Checkingthatthesystemisthoroughlyvented.

Inspectionsshouldbecarriedoutminimumeverytwoyears.

SparepartscanbeorderedfromDanfoss.Pleaseensurethatany

enquiryincludesthesubstationserialnumber.

Authorizedpersonnelonly

Assembly,start-upandmaintenanceworkmustbeperformedby

qualiedandauthorizedpersonnelonly.

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6.0Troubleshooting

6.1Troubleshootingingeneral

Intheeventofoperatingdisturbances,thefollowingbasicfeatures

shouldbecheckedbeforecarryingoutactualtroubleshooting:

•thesubstationisconnectedtoelectricity,

•thestrainerontheHSsupplypipeisclean,

•thesupplytemperatureoftheHSisatthenormallevel

(summer,atleast60°C-winter,atleast70°C),

•thedifferentialpressureisequaltoorhigherthanthenormal

(local)differentialpressureintheHSnetwork–ifindoubt,ask

theHSplantsupervisor.

Authorizedpersonnelonly

Assembly,start-upandmaintenanceworkmustbeperformedby

qualiedandauthorizedpersonnelonly.

6.2TroubleshootingDHW

ProblemPossiblecauseSolution

Strainerinsupplyorreturnlineclogged.Cleanstrainer(s).

DHWcirculationpumpoutoforderorwith

toolowsetting.(onlyifDHWcirculation

isinstalled).

Checkcirculationpump.

Defectiveorcloggednon-returnvalve.

Replace–clean.

Noelectricity.OnlyifstationarewithDHW

circulation.

Check.

Scalingoftheplateheatexchanger.

Replace–rinseout.

Defectivetemperaturesensors.

Check–replace.

ToolittleornoDHW.

Defectivecontroller.

Check–replace.

DCWisbeingmixedwiththeDHW,e.g.in

adefectivethermostaticmixingvalve.

Check–replace. Hotwaterinsometapsbutnotinall.

DHWcirculationpumpoutoforderorwith

toolowsetting.(onlyifDHWcirculation

isinstalled).

Replace–clean.

Taptemperaturetoohigh;DHWtapload

toohigh.

Thermostaticvalveadjustedtoatoohigh

level.Thermostatisdefect.

Check–set–replace.

Scalingoftheplateheatexchanger.

Replace–rinseout.

Temperaturedropduringtapping.

LargerDHWowthanthesubstationhas

beendesignedfor.

ReduceDHWow.

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6.3TroubleshootingHE

ProblemPossiblecauseSolution

Toolittleornoheat.StrainercloggedinHSorHEcircuit

(radiatorcircuit).

Cleangate/strainer(s).

ThelterintheenergymeteronHScircuit

clogged.

Cleanthelter(afterconsultingtheHS

plantoperator).

Defectivedifferentialpressurecontroller.

Replacemaincontroller,TPC.

Sensordefective.Checktheoperationofthethermostat–

cleanthevalveseatifrequired.

Automaticcontrols,ifany,wronglysetor

defective-possiblypowerfailure.

Checkifthesettingofthecontroller

iscorrect–seeseparateinstructions.

Checkthepowersupply.Temporary

settingofmotorto“manual”control–see

instructionsonautomaticcontrols.

Pumpoutofoperation.Checkifthepumpisreceivingpowerand

thatitturns.Checkifthereisairtrappedin

thepumphousing–seepumpmanual.

Thepumpissetattoolowspeedof

rotation.

Setthepumpathigherspeedofrotation.

Airpocketsinthesystem.Venttheinstallationthoroughly.

Limitingofthereturntemperature

adjustedtoolow.

Adjustaccordingtoinstructions.

Defectiveradiatorvalves.

Check–replace.

Unevenheatdistributioninbuilding

becauseofincorrectlysetbalancingvalves,

orbecausetherearenobalancingvalves.

Adjust/installbalancingvalves.

Diameterofpipetosubstationtoosmallor

branchpipetoolong.

Checkpipedimensions.

Unevenheatdistribution.Airpocketsinthesystem.Venttheinstallationthoroughly.

HSsupplytemperaturetoohigh.

Defectivecontroller.Thecontrollerdoes

notreactasitshouldaccordingtothe

instructions.

Callautomaticcontrolsmanufactureror

replacetheregulator.

Defectivesensoronself-actingthermostat.

Replacethermostat.

HSsupplytemperaturetoolow.

Defectivecontroller.Thecontrollerdoes

notreactasitshouldaccordingtothe

instructions.

Callinautomaticcontrolsmanufactureror

replacecontroller.

Strainerclogged.Cleangate/strainer.

ToohighHSreturntemperature.

Toosmallheatingsurface/toosmall

radiatorscomparedtothetotalheating

requirementofthebuilding.

Increasetotalheatingsurface.

Poorutilizationofexistingheatingsurface.

Defectivesensoronself-actingthermostat.

Makesuretheheatisdistributedevenly

acrossthefullheatingsurface–openall

radiatorsandkeeptheradiatorsinthe

systemfromheatingupatthebottom.It

isextremelyimportanttokeepthesupply

temperaturetotheradiatorsaslowas

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InstallationGuideEvoFlat

possible,whilemaintainingareasonable

levelofcomfort.

Thesystemissinglepipeloop.

Thesystemshouldfeatureelectronic

controlsaswellasreturnsensors.

Pumppressuretoohigh.Adjustpumptoalowerlevel.

Airinsystem.

Ventthesystem.

Defectiveorincorrectlysetradiator

valve(s).Singlepipeloopsystemsrequire

specialone-piperadiatorvalves.

Check–set/replace.

Dirtinthedifferentialpressurecontroller.

Check–cleanout.

Defectivemotorizedvalve,sensoror

automaticcontroller.

Check–replace.

Noiseinsystem.

Pumppressuretoohigh.Noicefrom

radiatorvalves.

Adjustpumptoalowerlevel.Checkow

direction.

Heatloadtoohigh.

Defectivemotorizedvalve,sensoror

electroniccontroller.

Check–replace.

6.4Disposal

Disposal

Thisproductshouldbedismantledanditscomponents

sorted,ifpossible,invariousgroupsbeforerecycling

ordisposal.

Alwaysfollowthelocaldisposalregulations.

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7.0Declaration

7.1Declarationofconformity

7.1.1Category0withelectricalequipment

EC–DeclarationofConformity

DanfossRedanA/S

Omega7

DK-8382Hinnerup

Denmark

Declaresonoursoleresponsibilitythatthebelowproducts:

EvoFlat

coveredbythisdeclarationareinconformitywiththefollowingdirectives,standardsandothernormative

documents,providedthattheyareusedaccordingtoourinstructions.

EMC–Directive–2004/108/EC

DS/EN61000-6-12007.Electromagnetic

compatibility–Genericstandard:Immunityfor

residentialcommercialandlightindustry.

DS/EN61000-6-32007.Electromagnetic

compatibility–Genericstandard:Emissionfor

residential,commercial&lightindustry.

PressureEquipmentDirective–97/23/EC

Equipmentcategory:0(article3.3).

MachineryDirective2006/42/EC

EN14121-1.Safetyofmachinery–Riskassessment

EN60204-1.Safetyofmachinery–Electrical

equipmentofmachines–Part1:General

requirements.

Hinnerup–2013.09.05

PlaceanddateofissueFinnMortensen

ThomasBruunHansen

DanfossDistrictEnergy

VI.IQ.C3.02

DEN-LDS

InstallationGuideEvoFlat

Danfoss EvoFlat Operating instructions

Danfoss EvoFlat Operating instructions

Danfoss EvoFlat Operating instructions

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