Danfoss Solar A, Solar B, Solar S Operating guide
OperatingGuide
TermixSolarA+/B+/S+
1.0TableofContents
1.0TableofContents.............................................1
........................................................................2
2.0Functionaldescription......................................3
3.0Safetynotes.....................................................4
3.1SafetyNotes–general............................................4
4.0Mounting........................................................5
4.1Mounting...........................................................5
4.2Electricalconnections.............................................7
5.0Design.............................................................8
5.1Design...............................................................8
5.2Schematicdiagram................................................9
5.3Design...............................................................10
5.4Schematicdiagram................................................11
6.0Controls..........................................................12
6.1DHWtemperaturecontrol........................................12
6.2Maintenance........................................................15
7.0Troubleshooting..............................................16
7.1Troubleshootingingeneral......................................16
7.2TroubleshootingDHW............................................17
7.3Disposal.............................................................18
8.0Declaration......................................................19
8.1Declarationofconformity........................................19
©Danfoss|2019.04VI.JV.I4.02/LUK38016|1
OperatingGuideTermixSolarA+/B+/S+
2|©Danfoss|2019.04
VI.JV.I4.02/LUK38016
OperatingGuideTermixSolarA+/B+/S+
2.0Functionaldescription
Domestichotwatermodulewithheatexchangerand
thermostaticcontrol.Designedforwall-mounting.
Application
TheT ermixSolarA+/B+/S+isaninstantaneouswaterheater,
featuringsuperbheatextractionandhighperformance.The
TermixSolarA+/B+/S+isapplicableforheatingsystemswithbuffer
accumulators,solarsystemsorforotherheatsources,whereavery
lowreturntemperatureispreferred.Thelargeheatexchanger
coolsoutthewaterintheprimaryreturnlineveryefficiently,
therebycreatingaverygoodoperationeconomy.Aflowswitchin
thedomestichotwaterpipeiscontrollingtheprimaryheating
pump.Anoptionalcirculationpumptogetherwithathermostat
canmaintainthecirculatingtemperatureatadesiredtemperature.
Domestichotwater(DHW)
Thedomestichotwaterispreparedintheheatexchangerandthe
temperatureisregulatedwithathermostaticcontrolvalve.There
isnoadditionalpressurelossonthesecondarysideoftheDHW
heatexchangerwithathermostaticcontrol.Thereforethistypeof
regulationcanbeusedbylowpressureinthecoldwatermains.
VI.JV.I4.02/LUK38016
©Danfoss|2019.04|3
OperatingGuideTermixSolarA+/B+/S+
3.0Safetynotes
3.1SafetyNotes–general
Thefollowinginstructionsrefertothestandarddesignof
substation.Specialversionsofsubstationsareavailableon
request.
Thisoperatingmanualshouldbereadcarefullybeforeinstallation
andstart-upofthesubstation.Themanufactureracceptsno
liabilityfordamageorfaultsthatresultfromnon-compliancewith
theoperatingmanual.Pleasereadandfollowalltheinstructions
carefullytopreventaccidents,injuryanddamagetoproperty.
Assembly,start-upandmaintenanceworkmustbeperformedby
qualifiedandauthorizedpersonnelonly.
Pleasecomplywiththeinstructionsissuedbythesystem
manufacturerorsystemoperator.
Corrosionprotection
Allpipesandcomponentsaremadeofstainlesssteelandbrass.
Themaximumchloridecompoundsoftheflowmediumshouldnot
behigherthan150mg/l.
Theriskofequipmentcorrosionincreasesconsiderablyifthe
recommendedlevelofpermissiblechloridecompoundsis
exceeded.
Energysource
Thesubstationisdesignedfordistrictheatingastheprimary
sourceofenergy.However,alsootherenergysourcescanbeused
wheretheoperatingconditionsallowitandalwaysarecomparable
todistrictheating.
Application
Thesubstationisdesignedtobeconnectedtothehouse
installationinafrost-freeroom,wherethetemperaturedoesnot
exceed50°Candthehumiditydoesnotexceed60%.Donotcover
orwallupthesubstationorinanyotherwayblocktheentrance
tothestation.
Authorizedpersonnelonly
Assembly,start-upandmaintenanceworkmustbeperformedby
qualifiedandauthorizedpersonnelonly.
Pleaseobserveinstructionscarefully
Toavoidinjurytopersonsanddamagetothedevice,itisabsolutely
necessarytoreadandobservetheseinstructionscarefully.
Warningofhighpressureandtemperature
Beawareoftheinstallation’spermissiblesystempressureand
temperature.
Themaximumtemperatureoftheflowmediuminthesubstationis
120°C.
Themaximumoperatingpressureofthesubstationis10bar.PN16
versionsareavailableonenquiry.
Theriskofpersonsbeinginjuredandequipmentdamagedincreases
considerablyiftherecommendedpermissibleoperatingparameters
areexceeded.
Thesubstationinstallationmustbeequippedwithsafetyvalves,
however,alwaysinaccordancewithlocalregulations.
Choiceofmaterial
Choiceofmaterialsalwaysincompliancewithlocallegislation.
Safetyvalve(s)
Werecommendmountingofsafetyvalve(s),however,alwaysin
compliancewithlocalregulations.
Connection
Thesubstationmustbeequippedwithfeaturesthatensurethat
thesubstationcanbeseparatedfromallenergysources(also
powersupply).
Emergency
Incaseofdangeroraccidents-fire,leaksorotherdangerous
circumstances-interruptallenergysourcestothestationif
possible,andseekexperthelp.
Incaseofdiscolouredorbad-smellingdomestichotwater,closeall
shut-offvalvesonthesubstation,informtheoperatingpersonnel
andcallforexperthelpimmediately.
REACH
AllDanfossA/SproductsfulfilltherequirementsinREACH.
OneoftheobligationsinREACHistoinformcustomersabout
presenceofCandidatelistsubstancesifany,weherebyinform
youaboutonesubstanceonthecandidatelist:Theproduct
containsbrasspartswhichcontainslead(CASno:7439-92-1)ina
concentrationabove0.1%w/w.
Storage
Anystorageofthesubstationwhichmaybenecessarypriorto
installationshouldbeinconditionswhicharedryandheated.
Warningofhotsurface
Thesubstationhasgothotsurfaces,whichcancauseskinburns.
Pleasebeextremelycautiousincloseproximitytothesubstation.
Powerfailurecanresultinthemotorvalvesbeingstuckinopen
position.Thesurfacesofthesubstationcangethot,whichcancause
skinburns.Theballvalvesondistrictheatingsupplyandreturnshould
beclosed.
Warningoftransportdamage
Beforesubstationinstallation,pleasemakesurethatthesubstation
hasnotbeendamagedduringtransport.
IMPORTANT-Tighteningofconnections
Duetovibrationsduringtransportallflangeconnections,screwjoints
andelectricalclampandscrewconnectionsmustbecheckedand
tightenedbeforewaterisaddedtothesystem.Afterwaterhasbeen
addedtothesystemandthesystemhasbeenputintooperation,
re-tightenALLconnections.
4|©Danfoss|2019.04
VI.JV.I4.02/LUK38016
OperatingGuideTermixSolarA+/B+/S+
4.0Mounting
4.1Mounting
Installationmustbeincompliancewithlocalstandardsand
regulations.
Districtheating(DH)-Inthefollowingsections,DHreferstothe
heatsourcewhichsuppliesthesubstations.Avarietyofenergy
sources,suchasoil,gasorsolarpower,couldbeusedasthe
primarysupplytoDanfosssubstations.Forthesakeofsimplicity,
DHcanbetakentomeantheprimarysupply.
Connections:
1.BufferTank(BT)supply
2.Domestichotwater(DHW)
3.BufferTank(BT)return
4.Domesticcoldwater(DCW)
5.Hotwatercirculation(HWC)-(Optional)
Authorizedpersonnelonly
Assembly,start-upandmaintenanceworkmustbeperformedby
qualifiedandauthorizedpersonnelonly.
Connectionsizes:
BT:
DCW+DHW+HWC:
Dimensions(mm):
Withoutcirculationandcover:
H655xW440xD138
Withoutcirculationandwithcover:
H715xW450xD150
Withcirculationandwithoutcover:
H940xW440xD138
Withcirculationandcover:
H940xW450xD150
Weight(approx.):
BrazedHEX(A+/S+):
GasketedHEX(B+):
G¾”(int.thread)
G¾”(int.thread)
14kg
17kg
Thepipeplacementcandeviatefromtheshowndrawing.Pleasenote
themarkingsonthestation.
VI.JV.I4.02/LUK38016
©Danfoss|2019.04|5
OperatingGuideTermixSolarA+/B+/S+
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.
Keyholeformounting.
Tightening
Duetovibrationduringtransport,allsubstationconnectionsmust
becheckedandtightenedbeforeinstallation.
Unusedconnections
Unusedconnectionsandshut-offvalvesmustbesealedwitha
plug.Shouldtheplugsrequireremoval,thismustonlybedoneby
anauthorizedservicetechnician.
Installation:
Strainer
Ifastrainerissuppliedwiththestationitmustbefittedaccording
toschematicdiagram.Pleasenotethatthestrainermaybe
suppliedloose.
Connections
Internalinstallationanddistrictheatingpipesconnectionsmustbe
madeusingthreaded,flangedorweldedconnections.
6|©Danfoss|2019.04
VI.JV.I4.02/LUK38016
Loading...