Danfoss Termix Distribution Unit Operating instructions

Brand: Danfoss

Model: Termix Distribution Unit

Type: Operating instructions

OperatingGuide

TermixDistributionunit

1.0TableofContents

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

........................................................................2

2.0Functionaldescription......................................3

3.0Safetynotes.....................................................4

3.1SafetyNotes–general............................................4

4.0Mounting........................................................5

4.1Mounting...........................................................5

4.2Start-up..............................................................7

4.3Electricalconnections.............................................8

5.0Wiring.............................................................9

5.1Wiringdescription.................................................9

5.2Wiringdiagram.....................................................9

6.0Design.............................................................10

6.1Design...............................................................10

6.2Schematicdiagram................................................11

7.0Controls..........................................................12

7.1CirculatorpumpUPM3...........................................12

PageBreak..........................................................12

7.2GrundfosUPM3AUTOLinstructions...........................13

7.3Maintenance........................................................14

8.0Troubleshooting..............................................15

8.1Troubleshootingingeneral......................................15

8.2TroubleshootingHE...............................................15

8.3Disposal.............................................................16

9.0Danfossinstallationsguide...............................17

9.1Danfossinstallationsguide......................................17

10.0Declaration......................................................19

10.1Declarationofconformity........................................19

DanfossDistrictEnergy

VI.GP .O3.02/LUK40900

DEN-GT

OperatingGuideTermixDistributionunit

DEN-GT

VI.GP .O3.02/LUK40900

DanfossDistrictEnergy

OperatingGuideTermixDistributionunit

2.0Functionaldescription

TermixDistributionunit

Manifoldsystemforoorheating

TheTermixdistributionunitcanbedirectlyconnectedtothe

TermixVMTD,VMTDmixer,VXandVVXunits.Theunitissupplied

withmeterttingpiecefordomesticwater,safetysetorCombiluk

asrequired.

TheTermixdistributionunitforconnectionofwaterandheating

pipesinconnectionwithhiddenpipeinstallationsallowsforalarge

numberofconnectionsforcoldwater,hotwater,radiatorsandoor

heatingwithindimensionsof530x565x380mm(hxwxd).The

compactsolutionensuresthateventhoughallconnectionsarein

usetheunitstilltsintoa60cmcupboard.TheTermixdistribution

unitcanbemountedwithaspearinthegroundintheearlystages

ofbuilding.Whenthebuildingisnishedandprotectedagainst

thefttheTermixdistrictheatingunitcanbemounted.

Thereliabilityisveryhigh.Thewirelesscontrolscomplywiththe

newestEUstandards(868MHz)forelectronicequipment.Atthis

frequencytheriskofsignaldisturbancesfromotherelectronic

householdappliancesisverylow.

ThecontrolsfortheTermixdistributionunitincludeaprogram

forexerciseofvalvesandpumpandapumpstoptoprotectthe

circulationpump.

DanfossDistrictEnergy

VI.GP .O3.02/LUK40900

DEN-GT

OperatingGuideTermixDistributionunit

3.0Safetynotes

3.1SafetyNotes–general

Thefollowinginstructionsrefertothestandarddesignof

substation.Specialversionsofsubstationsareavailableon

request.

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

Thesubstationisdesignedfordistrictheatingastheprimary

sourceofenergy.However,alsootherenergysourcescanbeused

wheretheoperatingconditionsallowitandalwaysarecomparable

todistrictheating.

Application

Thesubstationisdesignedtobeconnectedtothehouse

installationinafrost-freeroom,wherethetemperaturedoesnot

exceed50°Candthehumiditydoesnotexceed60%.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

120°C.

Themaximumoperatingpressureofthesubstationis10bar.PN16

versionsareavailableonenquiry.

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.

DEN-GT

VI.GP .O3.02/LUK40900

DanfossDistrictEnergy

OperatingGuideTermixDistributionunit

4.0Mounting

4.1Mounting

Installationmustbeincompliancewithlocalstandardsand

regulations.

Districtheating(DH)-Inthefollowingsections,DHreferstothe

heatsourcewhichsuppliesthesubstations.Avarietyofenergy

sources,suchasoil,gasorsolarpower,couldbeusedasthe

primarysupplytoDanfosssubstations.Forthesakeofsimplicity,

DHcanbetakentomeantheprimarysupply.

Connections:

Floorheatingowline(FHFL)

Floorheatingreturnline(FHRL)

Connectionsizes:

FHFL+FHRL:

G¾”(int.thread)

Dimensions(mm):

H710xW505xD175

Weight(approx.):20kg

Authorizedpersonnelonly

Assembly,start-upandmaintenanceworkmustbeperformedby

qualiedandauthorizedpersonnelonly.

DanfossDistrictEnergy

VI.GP .O3.02/LUK40900

DEN-GT

OperatingGuideTermixDistributionunit

4.1.1Installation

Mounting:

Adequatespace

Pleaseallowadequatespacearoundthesubstationformounting

andmaintenancepurposes.

Orientation

Thestationmustbemountedsothatcomponents,keyholes

andlabelsareplacedcorrectly.Ifyouwishtomountthestation

differentlypleasecontactyoursupplier.

Drillings

Wheresubstationsaretobewall-mounted,drillingsareprovided

inthebackmountingplate.Floormountedunitshavesupport.

Labelling

Eachconnectiononthesubstationislabelled.

Beforeinstallation:

Cleanandrinse

Priortoinstallation,allsubstationpipesandconnectionsshouldbe

cleanedandrinsed.

Tightening

Duetovibrationduringtransport,allsubstationconnectionsmust

becheckedandtightenedbeforeinstallation.

Unusedconnections

Unusedconnectionsandshut-offvalvesmustbesealedwitha

plug.Shouldtheplugsrequireremoval,thismustonlybedoneby

anauthorizedservicetechnician.

Installation:

Strainer

Ifastrainerissuppliedwiththestationitmustbettedaccording

toschematicdiagram.Pleasenotethatthestrainermaybe

suppliedloose.

Connections

Internalinstallationanddistrictheatingpipesconnectionsmustbe

madeusingthreaded,angedorweldedconnections.

Keyholeformounting.

DEN-GT

VI.GP .O3.02/LUK40900

DanfossDistrictEnergy

OperatingGuideTermixDistributionunit

4.2Start-up

Start-up,Heatingwithmixingloop

Start-up:

1:Pumpspeed

Setthepumptohighestspeedbeforestart-up.

2:Startpump

Startthepumpandheatthroughthesystem.

3:Openshut-offvalves

Theshut-offvalvesshouldthenbeopenedandtheunitobserved

asitentersservice.Visualcheckingshouldconrmtemperatures,

pressures,acceptablethermalexpansionandabsenceofleakage.

Ifthesystemoperatesinaccordancewithdesign,itcanbeput

toregularuse.

4:Ventsystem

Switchoffthepumpandventtheinstallationaftertheradiators

havebeenwarmedup.

5:Adjustpumpspeed

Setthepumptothelowestspeedconsistentwithcomfortand

electricityconsumption.

Normallythechange-overswitchissetinthemidposition(default).

Howeverforsystemswithunderoorheatingorsinglepipeloop

systems,itmaybenecessarytoturnthechange-overswitch

upwards.

Higherpumpspeedsareonlyusediftheheatingrequirement

increases.

Re-thightenconnections

Afterwaterhasbeenaddedtothesystemandthesystemhasbeen

putintooperation,re-tightenALLconnections.

Pump

Thepumpmustbeswitchedoffduringsystemll.

Underoorheating:

Pumpstopfunction

Ifthesubstationisusedinconnectionwithunderoorheating,the

circulationpumpmustbeconnectedtothepumpstopfunctionin

theunderoorheatingcontroller.Thepumpmustbestoppedif

allunderoorheatingcircuitsareclosed.

Warranty

Ifthisisnotpossible,thenowmustbecontinuedthroughthe

by-pass.Failingthis,thepumpwillbeatriskofseizureandany

remainingwarrantywillbewithdrawn.

Summeroperation:

Switchoffpump

Insummerthecirculationpumpmustbeswitchedoffandthe

shut-offvalvetoHEsupplyclosed.

Runningpumpbi-weekly

Itisrecommendedtostartupthecirculationpump(for2minutes)

onceamonthduringsummer;theshut-offvalveoftheHEsupply

mustbeshut.

Electroniccontroller

Mostelectroniccontrollerswillstartupthepumpautomatically

(pleasenotemanufacturer´sinstructions).

DanfossDistrictEnergy

VI.GP .O3.02/LUK40900

DEN-GT

OperatingGuideTermixDistributionunit

4.3Electricalconnections

Beforemakingelectricalconnections,pleasenotethe

following:

Safetynotes

Pleasereadtherelevantpartsofthesafetynotes.

230V

Thesubstationmustbeconnectedto230VACandearth.

Potentialbonding

Potentialbondingshouldbecarriedoutaccording

to60364-4-41:2007andIEC60364-5-54:2011.

Bondingpointonthemountingplatebelowrightcornermarked

withearthsymbol.

Disconnection

Thesubstationmustbeelectricallyconnectedsothatitcanbe

disconnectedforrepairs.

Outdoortemperaturesensor

Outdoorsensorsshouldbemountedsoastoavoidexposureto

directsunlight.Theyshouldnotbeplacedclosetodoors,windows

orventilationoutlets.

Theoutdoorsensormustbeconnectedtothestationonthe

terminalblockundertheelectroniccontrol.

Authorizedelectrician

Electricalconnectionsmustbemadebyanauthorizedelectricianonly.

Localstandards

Electricalconnectionsmustbemadeinaccordancewithcurrent

regulationsandlocalstandards.

4.3.1Thermoactuators

Activatingthethermoactuators

Thethermoactuatorsaresuppliedwitha“rstopen”function,such

thattheyareslightlyopenforfrostprotectionuntiltheelectrical

controllerisinstalled.Duringcommissioning,the“rstopen”

functionisdisabledbyremovingtheredmountingsplitonthe

thermoactuator.

Pleasecheckthatthethermoactuatorscanfullyclosefollowing

disablementofthe“-rstopen”function.

Seetheinstallationguideincludedwiththethermoactuator.

4.3.2IMITThermostat

IMITThermostat

TheIMITThermostatisusedtolimittheunderoorheatingow

temperature.TheIMITThermostatispresetto60°C,shutting

offthepumpandtheprimaryon/offvalvewhentheowtothe

underoorheatingexceeds60°C.

TheIMITThermostatis(ifnotalreadyfactory-tted)tobettedon

thesecondaryowpipeasclosetotheheatinginterfaceunitas

possibleusingthesteelbandprovided.

DEN-GT

VI.GP .O3.02/LUK40900

DanfossDistrictEnergy

OperatingGuideTermixDistributionunit

5.0Wiring

5.1Wiringdescription

Connectingthesystem’scirculationpump

Thesystem’scirculationpumpshouldbeconnectedtothe

contactrelayintheelectricaloorheatingcontroller,sothe

pumpcanautomaticallystartandstop,dependingonwhether

thethermoactuatorsareopenorclosed.Ifthepumppushes

againstclosedvalvesitcanoverheatandburnout.Theelectric

oorheatingcontrollerisnotapprovedtosupplypowertothe

circulationpump.

Thepumpmustthereforebesuppliedfromanexternalconnection

box,suchthatonlythe230Vphase(active)isfedthroughtherelay

contactontheelectricaloorheatingcontroller.

Theneutralandearthconnectionsmustnotentertheoorheating

controller.

5.2Wiringdiagram

Junctionbox

230VACconnector

plugwithEarth

DanfossCF-MC

MasterController

230VACpower

supply230Vplug

iscutoff!

Safetythermostat

PumpRelayin

DanfossCF-MC

MasterController

Circulatorpump

DanfossDistrictEnergy

VI.GP .O3.02/LUK40900

DEN-GT

OperatingGuideTermixDistributionunit

6.0Design

6.1Design

Yoursubstationmightlookdifferentthanthesubstationshown.

Designdescription

Electroniccontrolleroorheating

Ballvalve/non-returnvalve

FHFL

Manifoldsystemforoorheatingowline

Electricalwiringbox

Airvent,manual

FHRL

Manifoldsystemforoorheatingreturnline

Thermostaticcontroller,HE

Thermoactuator

Circulationpump

Thermostat

Filling/drainvalve

DEN-GT

VI.GP .O3.02/LUK40900

DanfossDistrictEnergy

OperatingGuideTermixDistributionunit

6.2Schematicdiagram

Yoursubstationmightlookdifferentthantheschematicdiagramshown.

Schematicdescription

(A)

Termixunit

Electroniccontrolleroorheating

Ballvalve/non-returnvalve

(B)

Floorheatingowline

Ballvalve

Connectionclosed

(C)

Floorheatingreturnline

Thermostaticvalve

Airvent,manual

(M)

Electricalwiringbox

Circulatorpump

Thermoactuator

Filling/drainvalve

Thermostat

6.2.1Technicalparameters

Technicalparameters

Nominalpressure:PN10(PN16versionsareavailableonenquiry)

Max.DHsupplytemperature:

120°C

Min.DCWstaticpressure:

0.5bar

Brazingmaterial(HEX):

Copper

Soundlevel:≤55dB

DanfossDistrictEnergy

VI.GP .O3.02/LUK40900

DEN-GT

OperatingGuideTermixDistributionunit

7.0Controls

7.1CirculatorpumpUPM3

UPM3Pumpscanbecontrolledinconstantpressure,proportional

pressureorconstantspeedmodedenedbythemeansofasmart

userinterface.

Thevariablespeedmodulatingmodesallowthepumptomatchits

performancetothesystemrequirements,helpingtoreducenoise

whenthermostaticvalvesareclosingdown.

EnergylabellingclassA

DEN-GT

VI.GP .O3.02/LUK40900

DanfossDistrictEnergy

OperatingGuideTermixDistributionunit

7.2GrundfosUPM3AUTOLinstructions

Controlmode

Youcanswitchfromtheperformanceviewtothesettingsviewbypressingthepushbutton.Thesettingsviewshowswhichmode

controlsthecirculator.After2seconds,thedisplayswitchesbacktoperformanceview.

Ifyoupressthebuttonfor2to10seconds,theuserinterfaceswitchesto"settingselection"iftheuserinterfaceisunlocked.Youcan

changethesettingsastheyappear.Theselectionofthecontrolmodedependsonthesystemtypeandtheallocationofpressurelosses.

Ifyoupressthekeylockformorethan10seconds,youcantogglebetweenenabling/disablingthekeylockfunction.

Function

Recommendedfor

Green

YellowYellowYellowYellow

Proportionalpressure1

1-pipesystems

µµ

Proportionalpressure2

µµµ

Proportionalpressure3

2-pipesystems

µµµµ

Constantpressure1

Underoorheating

µµ

Constantpressure2

µµµ

Constantpressure3

µµµµ

ConstantCurve1

µµµ

ConstantCurve2

µµµµ

ConstantCurve3

µµµµµ

ConstantCurveMax.

µµµµ

Operationstatus

Function

Recommendedfor

Green

YellowYellowYellowYellow

Standby**OnlyPWMcontrolled

0%≤P1≤25%

µµ

25%≤P1≤50%

µµµ

50%≤P1≤75%

µµµµ

75%≤P1≤100%

µµµµµ

Alarmstatus

Function

Recommendedfor

RedYellowYellowYellowYellow

Blocked

µµ

Supplyvoltagelow

µµ

Electricalerror

µµ

DanfossDistrictEnergy

VI.GP .O3.02/LUK40900

DEN-GT

OperatingGuideTermixDistributionunit

7.3Maintenance

Thesubstationrequireslittlemonitoring,apartfromroutine

checks.Itisrecommendedtoreadtheenergymeteratregular

intervals,andtowritedownthemeterreadings.

RegularinspectionsofthesubstationaccordingtothisInstruction

arerecommended,whichshouldinclude:

Strainers

Cleaningofstrainers.

Meters

Checkingofalloperatingparameterssuchasmeterreadings.

Temperatures

Checkingofalltemperatures,suchasDHsupplytemperatureand

DHWtemperature.

Connections

Checkingallconnectionsforleakages.

Safetyvalves

Theoperationofthesafetyvalvesshouldbecheckedbyturning

thevalveheadintheindicateddirection.

Venting

Checkingthatthesystemisthoroughlyvented.

Inspectionsshouldbecarriedoutminimumeverytwoyears.

SparepartscanbeorderedfromDanfoss.Pleaseensurethatany

enquiryincludesthesubstationserialnumber.

Authorizedpersonnelonly

Assembly,start-upandmaintenanceworkmustbeperformedby

qualiedandauthorizedpersonnelonly.

DEN-GT

VI.GP .O3.02/LUK40900

DanfossDistrictEnergy

OperatingGuideTermixDistributionunit

8.0Troubleshooting

8.1Troubleshootingingeneral

Intheeventofoperatingdisturbances,thefollowingbasicfeatures

shouldbecheckedbeforecarryingoutactualtroubleshooting:

•thesubstationisconnectedtoelectricity,

•thestrainerontheDHsupplypipeisclean,

•thesupplytemperatureoftheDHisatthenormallevel

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

•thedifferentialpressureisequaltoorhigherthanthenormal

(local)differentialpressureintheDHnetwork–ifindoubt,ask

theDHplantsupervisor,

•pressureonthesystem-checktheHEpressuregauge.

Authorizedpersonnelonly

Assembly,start-upandmaintenanceworkmustbeperformedby

qualiedandauthorizedpersonnelonly.

8.2TroubleshootingHE

ProblemPossiblecauseSolution

Toolittleornoheat.StrainercloggedinDHorHEcircuit

(radiatorcircuit).

Cleangate/strainer(s).

ThelterintheenergymeteronDHcircuit

clogged.

Cleanthelter(afterconsultingtheDH

plantoperator).

Defectiveorwronglyadjusteddifferential

pressurecontroller.

Checktheoperationofthedifferential

pressurecontroller–cleanthevalveseatif

required.

Sensordefective–orpossiblydirtinthe

valvehousing.

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.

Pressuredrop–thepressuredropon

theradiatorcircuitshowslowerthan

recommendedoperatingpressure.

Fillwateronthesystemandcheckthe

functioningofthepressureexpansion

vesselifrequired.

Airpocketsinthesystem.Venttheinstallationthoroughly.

Limitingofthereturntemperature

adjustedtoolow.

Adjustaccordingtoinstructions.

Defectiveradiatorvalves.

Check–replace.

Unevenheatdistributioninbuilding

becauseofincorrectlysetbalancingvalves,

orbecausetherearenobalancingvalves.

Adjust/installbalancingvalves.

Diameterofpipetosubstationtoosmallor

branchpipetoolong.

Checkpipedimensions.

Unevenheatdistribution.Airpocketsinthesystem.Venttheinstallationthoroughly.

DanfossDistrictEnergy

VI.GP .O3.02/LUK40900

DEN-GT

OperatingGuideTermixDistributionunit

DHsupplytemperaturetoohigh.

Wrongsettingofthermostatorof

automaticcontrols,ifany.

Adjustautomaticcontrols,–see

instructionsforautomaticcontrols.

Defectivecontroller.Thecontrollerdoes

notreactasitshouldaccordingtothe

instructions.

Callautomaticcontrolsmanufactureror

replacetheregulator.

Defectivesensoronself-actingthermostat.

Replacethermostat–orsensoronly.

DHsupplytemperaturetoolow.

Wrongsettingofautomaticcontrols,ifany.

Adjustautomaticcontrols–seeinstructions

forautomaticcontrols.

Defectivecontroller.Thecontrollerdoes

notreactasitshouldaccordingtothe

instructions.

Callinautomaticcontrolsmanufactureror

replacecontroller.

Defectivesensoronself-actingthermostat.

Replacethermostat–orsensoronly.

Wrongplacement/ttingofoutdoor

temperaturesensor.

Adjustlocationofoutdoortemperature

sensor.

Strainerclogged.Cleangate/strainer.

ToohighDHreturntemperature.

Toosmallheatingsurface/toosmall

radiatorscomparedtothetotalheating

requirementofthebuilding.

Increasetotalheatingsurface.

Poorutilizationofexistingheatingsurface.

Defectivesensoronself-actingthermostat.

Makesuretheheatisdistributedevenly

acrossthefullheatingsurface–openall

radiatorsandkeeptheradiatorsinthe

systemfromheatingupatthebottom.It

isextremelyimportanttokeepthesupply

temperaturetotheradiatorsaslowas

possible,whilemaintainingareasonable

levelofcomfort.

Thesystemissinglepipeloop.

Thesystemshouldfeatureelectronic

controlsaswellasreturnsensors.

Pumppressuretoohigh.Adjustpumptoalowerlevel.

Airinsystem.

Ventthesystem.

Defectiveorincorrectlysetradiator

valve(s).Singlepipeloopsystemsrequire

specialone-piperadiatorvalves.

Check–set/replace.

Dirtinthemotorizedvalveorinthe

differentialpressurecontroller.

Check–cleanout.

Defectivemotorizedvalve,sensoror

automaticcontroller.

Check–replace.

Electroniccontrollernotadjustedcorrectly.Adjustaccordingtoinstructions.

Noiseinsystem.

Pumppressuretoohigh.Adjustpumptoalowerlevel.

Heatloadtoohigh.

Defectivemotorizedvalve,sensoror

electroniccontroller.

Check–replace.

8.3Disposal

Disposal

Thisproductshouldbedismantledanditscomponents

sorted,ifpossible,invariousgroupsbeforerecycling

ordisposal.

Alwaysfollowthelocaldisposalregulations.

DEN-GT

VI.GP .O3.02/LUK40900

DanfossDistrictEnergy

OperatingGuideTermixDistributionunit

9.0Danfossinstallationsguide

9.1Danfossinstallationsguide

Installation-CF2

1. 2. 3.

7. 8.

x1 (= ch2)

x2 (= ch3)

x3 (= ch4)

ch1

ch2 ch4

ch3

10.

21.0

°c

ch4

4. 6.5.

21.0

°c

11.

21.0

°c

21.0

°c

DanfossDistrictEnergy

VI.GP .O3.02/LUK40900

DEN-GT

OperatingGuideTermixDistributionunit

Installation-CF2

12.B

21.0

°c

13.B

15.B 16.B

14.B

12.A 13.A 14.A

21.0

°c

21.0

°c

21.0

°c

Installation-CF2

1. 2. 3.

ch4

21.0

°c

x1 (= ch2)

x2 (= ch3)

x3 (= ch4)

ch1

ch2 ch4

ch3

DEN-GT

VI.GP .O3.02/LUK40900

DanfossDistrictEnergy

OperatingGuideTermixDistributionunit

10.0Declaration

10.1Declarationofconformity

Category0withelectricalequipment

DanfossDistrictEnergy

VI.GP .O3.02/LUK40900

DEN-GT

OperatingGuideTermixDistributionunit

Danfoss Termix Distribution Unit Operating instructions

Danfoss Termix Distribution Unit Operating instructions

Danfoss Termix Distribution Unit Operating instructions

Related papers

Other documents