BS EN 625-1996 Gas-fired central heating boilers —

BRITISHSTANDARDBSEN625:1996Gas-firedcentralheatingboilers—Specificrequirementsforthedomestichotwateroperationofcombinationboilersofnominalheatinputnotexceeding70kwTheEuropeanStandardEN625:1995hasthestatusofaBritishStandardBSEN625:1996ThisBritishStandard,havingbeenpreparedunderthedirectionoftheEngineeringSectorBoard,waspublishedundertheauthorityoftheStandardsBoardandcomesintoeffecton15April1996©BSI08-1999ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceGSE/29Draftforcomment92/71976DCISBN0580253678CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedtoTechnicalCommitteeGSE/29,Domesticgas-firedcentralheatingboilers,uponwhichthefollowingbodieswererepresented:AssociationofManufacturersofDomesticUnventedSupplySystemsEquipment(MODUSSE)BoilersandRadiatorManufacturers’AssociationLimitedBritishGasplcDepartmentoftheEnvironment(BuildingResearchEstablishment)DepartmentoftheEnvironment(PropertyandBuildingsDirectorate)DepartmentofTradeandIndustry(ConsumerSafetyUnit,CADivision)ElectricityAssociationSocietyofBritishGasIndustriesCo-optedmembersAmendmentsissuedsincepublicationAmd.No.DateCommentsBSEN625:1996©BSI08-1999iContentsPageCommitteesresponsibleInsidefrontcoverNationalforewordiiForeword2TextofEN6255ListofreferencesInsidebackcoverBSEN625:1996ii©BSI08-1999NationalforewordThisBritishStandardhasbeenpreparedunderthedirectionoftheEngineeringSectorBoardandistheEnglishlanguageversionofEN625:1995Gas-firedcentralheatingboilers—Specificrequirementsforthedomestichotwateroperationofcombinationboilersofnominalheatinputnotexceeding70kW,publishedbytheEuropeanCommitteeforStandardization(CEN).EN625wasproducedastheresultofinternationaldiscussioninwhichtheUKtookanactivepart.TherehaspreviouslybeennodirectBritishStandardequivalenttothisstandard.Itisassumedthattheexecutionoftheprovisionsofthisdocumentisentrustedtosuitablyqualifiedandexperiencedpersons.ABritishStandarddoesnotpurporttoincludeallthenecessaryprovisionsofacontract.UsersofBritishStandardsareresponsiblefortheircorrectapplication.CompliancewithaBritishStandarddoesnotofitselfconferimmunityfromlegalobligations.Cross-referencesPublicationreferredtoCorrespondingBritishStandardEN297:1994BSEN297:1994Gas-firedcentralheatingboilers—TypeB11andB11BSboilersfittedwithatmosphericburnersofnominalheatinputnotexceeding70kW.EN437:1994BSEN437:1994Specificationfortestgases,testpressuresandcategoriesofappliance,forgasappliancesSummaryofpagesThisdocumentcomprisesafrontcover,aninsidefrontcover,pagesiandii,theENtitlepage,pages2to16,aninsidebackcoverandabackcover.Thisstandardhasbeenupdated(seecopyrightdate)andmayhavehadamendmentsincorporated.Thiswillbeindicatedintheamendmenttableontheinsidefrontcover.EUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN625September1995ICS27.060.30;91.140.10;91.140.60Descriptors:Heaters,gasappliances,centralheating,waterproduction,boilers,burners,definitions,equipmentspecifications,performanceevaluation,tests,safety,energy,consumption,operatingrequirements,marking,nameplates,classificationsEnglishversionGas-firedcentralheatingboilers—Specificrequirementsforthedomestichotwateroperationofcombinationboilersofnominalheatinputnotexceeding70kWChaudièresdechauffagecentralutilisantlescombustiblegazeux—Exigencesspécifiquesàlafonctioneauchaudesanitairedeschaudièresàdeuxservicesdontledébitcalorifiquenominalestinférieurouégalà70kWHeizkesselfürgasförmigeBrennstoffe—SpezielleAnforderungenandieTrinkwasserseitigeFunktionvonKombi-KesselnmiteinerNennwärmebelastungkleineralsodergleich70kWThisEuropeanStandardwasapprovedbyCENon1995-03-06.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCentralSecretariathasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Denmark,Finland,France,Germany,Greece,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom.CENEuropeanCommitteeforStandardizationComitéEuropéendeNormalisationEuropäischesKomiteefürNormungCentralSecretariat:ruedeStassart36,B-1050Brussels©1995AllrightsofreproductionandcommunicationinanyformandbyanymeansreservedinallcountriestoCENanditsmembers.Ref.No.EN625:1995EEN625:1995©BSI08-19992ForewordThisEuropeanStandardwaspreparedbyTechnicalCommitteeCEN/TC109,Centralheatingboilersusinggaseousfuels,ofwhichthesecretariatisheldbyNNI.OthertypesofboilerincludingboilersofhighernominalheatinputwhichareexcludedfromthisEuropeanStandardaredealtwithinseparatestandards.ThisEuropeanStandardhasbeenpreparedunderamandategrantedtoCENbytheEuropeanCommissionandtheEuropeanFreeTradeAssociation,ands