Danfoss Termix AT BTD Operating Manual

Operatingguide

TermixATBTD

1.0TableofContents

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

2.0Functionaldescription......................................2

3.0Safetynotes.....................................................3

3.1SafetyNotes–general............................................3

4.0Mounting........................................................4

4.1Mounting...........................................................4

4.2Start-up..............................................................5

5.0MountinginstructionsT ermixATBTDwall

cabinet............................................................6

5.1Mounting...........................................................6

6.0Design.............................................................8

6.1DesignTermixATBTD5pipes...................................8

6.2SchematicdiagramT ermixATBTD5Pipes....................9

6.3DesignTermixATBTD4pipes...................................10

6.4SchematicdiagramT ermixATBTD4Pipes....................11

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

7.1DHWtemperaturecontrol........................................12

7.2Other.................................................................13

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

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

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

8.2TroubleshootingDHW............................................15

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

9.0Declaration......................................................19

9.1Declarationofconformity........................................19

DanfossDistrictEnergy

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OperatingguideTermixATBTD

2.0Functionaldescription

Districtheatingsubstationwithtankfordomestichotwater
preparationandwiththermostaticcontrol.Designedfor
wall-mounting.

Application

TheTermixA TBTDsubstationisacompletesolutionforhot
water.TheT ermixATBTDisapplicableforsingle-familyhouses
orapartments.

Domestichotwater(DHW)

Thedomestichotwatercircuitconsistsofahotwatertankwithcoil
andself-actingthermostaticcontrolvalve.Thehotwatertankand
coilareenamelledandthetankcontainsamagnesiumanode.The
substationisdeliveredwithabuiltinsafetyvalve.

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OperatingguideTermixATBTD

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.

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OperatingguideTermixATBTD

4.0Mounting

4.1Mounting

Installationmustbeincompliancewithlocalstandardsand
regulations.
Districtheating(DH)-Inthefollowingsections,DHreferstothe
heatsourcewhichsuppliesthesubstations.Avarietyofenergy
sources,suchasoil,gasorsolarpower,couldbeusedasthe
primarysupplytoDanfosssubstations.Forthesakeofsimplicity,
DHcanbetakentomeantheprimarysupply.

Connectionsizes:

Allconnections:

G¾”(int.thread)

Dimensions(mm):

Withcover:
100L:H1180xW540xD520
150L:H1510xW540xD520

Weight(approx.):85–100kg

Authorizedpersonnelonly

Assembly,start-upandmaintenanceworkmustbeperformedby
qualiedandauthorizedpersonnelonly.

TermixA TBTD5pipes

Thepipeplacementcandeviatefromtheshowndrawing.Pleasenote
themarkingsonthestation.

TermixA TBTD4pipes

Thepipeplacementcandeviatefromtheshowndrawing.Pleasenote
themarkingsonthestation.

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OperatingguideTermixATBTD

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.

4.2Start-up

Start-up,Directheating

Theshut-offvalvesshouldbeopenedandtheunitobservedas
itentersservice.Visualcheckingshouldconrmtemperatures,
pressures,acceptablethermalexpansionandabsenceofleakage.
Iftheheatexchangeroperatesinaccordancewithdesign,itcanbe
puttoregularuse.

Afterwaterhasbeenaddedtothesystemandthesystemhasbeen
putintooperation,re-tightenALLconnections.

Re-thightenconnections

Afterwaterhasbeenaddedtothesystemandthesystemhasbeen
putintooperation,re-tightenALLconnections.

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OperatingguideTermixA TBTD

5.0MountinginstructionsT ermixATBTDwallcabinet

5.1Mounting

Wallbracket

MounttheWallbracketaccordingtotheDrawing.
UseAtocenterthetankonthebracket.
B-AllpipethreadsareISO½” .

Mountthecontainerunitinthewallbracket.

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DanfossDistrictEnergy