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Baxi ECOGEN 24/1.0 Installation & Servicing Instructions

Baxi ECOGEN 24/1.0
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ThesystemmustbecleanedwithFernoxF3
Powerflushthesystemaccordingtothepowerflushequipmentsupplier'sinstructions.
FernoxMB1inhibitormustbeaddedaccordingtothesupplier'sinstructions.
FollowingthetreatmentprocessasampleofsystemwatermustbetakenandsenttoFernoxforanalysistoconfirmthesystemcleaninganddosingprocesshasbeen
successful.AcopyofthereporttobesenttoBaxiHeatingUKLtd,heateam,Ecogenteam,BrooksHouse,CoventryRoadWarwickCV34LL.
3.Pleasebeawareoftheresistancechartforthisappliance,andifyouarereplacingalowresistanceboilerie.oldcastiron,thesystemwillneedtoberebalanced(See
Section4).
4.Thefollowingconditionsshouldbeobservedonallsystems:
Draincocksshouldbefittedtoallsystemlowpoints.
Allgasandwaterpipesandelectricalwiringmustbeinstalledinawaywhichwouldnotrestricttheservicingoftheboiler.
Positionisolatingvalvesasclosetocirculatingpumpaspossible.
6.2TreatmentofWaterCirculatingSystems
1.Allrecirculatorywatersystemswillbesubjecttocorrosionunlesstheyareflushedandanappropriatewatertreatmentisapplied.Topreventthis,followtheguidelines
giveninBS7593"TreatmentofWaterinDomesticHotWaterCentralHeatingSystems"andthetreatmentmanufacturersinstructions.
2.Treatmentmustinvolvetheuseofaproprietarycleanser,suchasFernoxF3andaninhibitorsuchasFernoxMB1.
3.Fullinstructionsaresuppliedwiththeproducts,forfurtherinformationcontactFernox(08708700362).
Failuretoflushandaddinhibitortothesystemwillinvalidatetheappliancewarranty.
4.Itisimportanttochecktheinhibitorconcentrationafterinstallation,systemmodificationandateveryserviceinaccordancewiththeinhibitormanufacturer'sinstructions.
(Testkitsareavailablefrominhibitorstockists.)
5.ForinformationoradviceregardinganyoftheabovecontactTechnicalEnquiries08448711555.
page12
6.3Pipework
1.Thesizesofflowandreturnpipesfromtheboilershouldbedeterminedbynormalmethods,accordingtotherequirementsofthesystem.Theconnectionstotheboilerwill
accept22mmpipefittings.Compressionfittingsmustbeusedtopreventheatdamagetotheboiler(assuppliedseeSection9.3).
2.A20°Cdropintemperatureacrossthesystemisrecommendedforcondensingboilers,butwhereradiatorsizingismarginalitmaybeadvisabletoretainasystem
temperaturedropof11°C.
3.InsystemsusingnonmetallicpipeworkitisnecessarytousecopperpipefortheboilerFlowandReturn.Thecoppermustextendatleast1metrefromtheboilerand
includeanybranches(Fig.4).
Fig.4
6.4BypassRequirements
1.AnAutomaticBypassmustbefitted.Theappliancerequiresaminimumbypassof7l/minforopenventedsystems.
6.5MagneticCleaner(Fig.5)
1.A'ADEYMagnaCleanTwinTech'MagneticFiltermustbefittedonthereturntoboilerasclosetotheapplianceaspossible.
FAILURETOFITTHISDEVICEWILLINVALIDATETHEAPPLIANCEWARRANTY.
Fig.5
page13
6.6SealedSystemsDetails(Fig.8)
1.SAFETYVALVEAsafetyvalvecomplyingwiththerequirementsofBS6750Part1mustbefittedclosetotheboilerontheflowpipebymeansofahorizontalor
verticallyupwardconnectionwithnointerveningvalveorrestrictionsandshouldbepositionedtofacilitatetesting.Thevalveshouldbepresetandnonadjustableto
operateatapressureof3bar(45Ibf/in
2
).Itmustbearrangedtodischargeanywaterorsteamthroughapipetoasafeoutletposition.
2.PRESSUREGAUGEApressuregaugeofminimumrange04bar(060Ibf/in
2
)withafillpressureindicatormustbefittedtothesystem,preferablyatthesamepointas
theexpansionvesselinaneasilyvisibleposition.
3.EXPANSIONVESSELAnexpansionvesselcomplyingwiththerequirementsofBS4814mustbefittedtothesystembymeansofaconnectionclosetotheinletside
ofthecirculatingpumpinaccordancewiththemanufacturersinstructions,theconnectingpipebeingunrestrictedandnotlessthan15mm(1/2in)nominalsize.The
volumeofthevesselshouldbesuitableforthesystemwatercontentandthenitrogenorairchargepressureshouldnotbelessthanthesystemstatichead(SeeTable.
1).FurtherdetailsofsealedsystemdesigncanbeobtainedfromBS5449andtheBritishGaspublicationentitled'SpecificationsforDomesticWetCentralHeating
Systems'.
4.FILLINGLOOPAfillingloopconnectiononthecentralheatingreturnpipeworkmustbeprovidedtofacilitateinitialfillingandpressurisingandalsoanysubsequentwater
lossreplacement/refilling.Thesealedprimarycircuitsmaybefilledorreplenishedbymeansofatemporaryconnectionbetweentheprimarycircuitandasupplypipe
provideda'Listed'doublecheckvalveorsomeothernolesseffectivebackflowpreventiondeviceispermanentlyconnectedattheinlettothecircuitandthetemporary
connectionisremovedafteruse.Thefillingmethodadoptedmustbeinaccordancewithallrelevantwatersupplyregulationsanduseapprovedequipment.Yourattention
isdrawnto,forGB:GuidanceG24.2andrecommendationR24.2oftheWaterRegulationsGuide.forIE:thecurrenteditionofI.S.813"DomesticGasInstallations".
5.VENTINGAmethodofventingthesystemduringfillingandcommissioningmustbeprovidedbyfittingmanualvents.Caremustbetakentoensureanyairinthe
systemiscompletelyvented.

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Baxi ECOGEN 24/1.0 Specifications

General IconGeneral
BrandBaxi
ModelECOGEN 24/1.0
CategoryBoiler
LanguageEnglish

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