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    BS EN 15502-1-2012 Gas-fired heating boilers General requirements and tests《燃气暖气锅炉 试验和通用要求》.pdf

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    BS EN 15502-1-2012 Gas-fired heating boilers General requirements and tests《燃气暖气锅炉 试验和通用要求》.pdf

    1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 15502-1:2012Gas-fired heating boilersPart 1: General requirements and testsCopyright European Committee for Standardization Provided by IHS under license with CENNot for Re

    2、saleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15502-1:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 15502-1:2012.The UK participation in its preparation was entrusted to TechnicalCommittee GSE/29, Gas-fired central heating

    3、 boilers (domestic andnon-domestic) and domestic gas-fired water heaters.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctappli

    4、cation. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 70900 5ICS 27.060.30; 91.140.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strat

    5、egy Committee on 31 July 2012.Amendments issued since publicationDate Text affectedCopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15502-1:2012EUROPEAN STANDARD NORME EUROP

    6、ENNE EUROPISCHE NORM EN 15502-1 July 2012 ICS 27.060.30; 91.140.10 English Version Gas-fired heating boilers - Part 1: General requirements and tests Chaudires de chauffage central utilisant les combustibles gazeux - Partie 1: Exigences gnrales et essais Heizkessel fur gasfrmige Brennstoffe - Teil 1

    7、: Allgemeine Anforderungen und Prfungen This European Standard was approved by CEN on 25 May 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-t

    8、o-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by transla

    9、tion under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland,

    10、 Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION C

    11、OMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15502-1:2012: ECopyright European Committee for Standardization

    12、Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15502-1:2012EN 15502-1:2012 (E) 2 Contents Page Foreword 5Introduction . 61 Scope 72 Normative references . 73 Terms, definitions and symbols 93.1 Terms and definitions 93.2

    13、 Symbols 194 Classification . 194.1 Gases and categories 194.2 Mode of air supply and evacuation of the combustion products . 204.3 Maximum water-side operating pressure 205 Construction 205.1 General 205.2 Conversion to different gases 205.3 Materials 215.4 Method of construction . 235.5 Burners .

    14、275.6 Pressure test points 285.7 Requirements for the application of control and safety devices 286 Electrical safety . 357 Controls 357.1 General 357.2 Detailed specifications 357.3 Thermostats and water temperature limiting devices . 368 Operational requirements 408.1 General 408.2 Soundness 458.3

    15、 Hydraulic resistance 478.4 Heat inputs and heat output . 478.5 Limiting temperatures . 518.6 Ignition, cross lighting, flame stability 538.7 Reduction of the gas pressure . 558.8 Defective closure of the gas valve immediately upstream of the main burner . 568.9 Pre-purge 568.10 Functioning of a per

    16、manent ignition burner when the fan stops during the standby time 568.11 Adjustment, control and safety devices 568.12 Carbon monoxide. 688.13 NOx. 728.14 Special provisions for boilers intended to be installed in a partially protected place 768.15 Formation of condensate 768.16 Temperature of combu

    17、stion products . 76Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15502-1:2012EN 15502-1:2012 (E) 3 9 Useful efficiencies . 779.1 General 779.2 Useful efficiency at the no

    18、minal heat input . 779.3 Useful efficiency at part load . 799.4 Losses of combination boilers 8510 Electric auxiliary energy . 8810.1 General 8810.2 System boundaries. 8810.3 Auxiliary energy at nominal heat input 8810.4 Auxiliary energy at part load . 8910.5 Auxiliary energy at stand-by . 8911 Risk

    19、 assessment 8912 Marking and instructions 9012.1 Boiler marking . 9012.2 Instructions . 9112.3 Presentation 9512.4 Supplementary marking and instructions in the case of boilers to be installed in partially protected places . 95Annex A (informative) Properties of carbon and stainless steels 102Annex

    20、B (normative) Minimum requirements for cast iron . 103Annex C (normative) Parts in aluminium and aluminium alloys. 104Annex D (normative) Parts in copper or copper alloys . 105Annex E (normative) Minimum thicknesses for rolled parts. 106Annex F (normative) Nominal minimum thicknesses of boiler secti

    21、ons of cast materials under water pressure . 107Annex G (normative) Parameters for welded joints and welding processes 108Annex H (informative) Composition of the gas circuit . 113Annex I (informative) Compilation of the test conditions for the various gas families 122Annex J (informative) Calculati

    22、on of conversions of NOx . 124Annex K (informative) Example of calculation of the weighting factors NOx . 125Annex L (informative) Practical method of calibrating the test rig to enable the heat loss Dp to be determined 127Annex M (informative) Means of determining the ignition time at full rate 128

    23、Annex N (informative) Determination of the heat losses from the test rig of the indirect method and the contributions of the circulating pump of the test rig. 129Annex O (informative) Example of a risk assessment method . 130Annex P (informative) Examples of risk assessment with a method described i

    24、n Annex O133Annex Q (informative) Realisation of a protective measure 137Annex R (informative) Overall classification of a basic risk 139Annex S (informative) Not exhaustive list of classification examples . 142Annex T (normative) Correction for the determined efficiency in the low water temperature

    25、 test of low temperature boilers (LTB) and condensing boilers (CB) . 144Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15502-1:2012EN 15502-1:2012 (E) 4 Annex U (informati

    26、ve) Use of test gases 145Annex V (informative) Standards intended to be replaced by this standard in combination with the relevant part 2. 146Annex W (informative) Alternative Method for the determination of the nominal heat input or the maximum and minimum heat input (according to 8.4.1) for applia

    27、nces using a pneumatic gas/air ratio control system . 147Annex ZA (informative) Clauses of this European tandard addressing essential requirements or provisions of EU Directive2009/142/EC, “Directive relating to appliances burning gaseous fuels (codified version)“ (GAD) 148Annex ZBv(u Clauses of thi

    28、s European Standard addressing the methods for the verification of the efficiency of the EU Directive 92/42/EEC, relating to the efficiency of new hot boilers with an output of 4 400 kW 151Bibliography 152Copyright European Committee for Standardization Provided by IHS under license with CENNot for

    29、ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15502-1:2012EN 15502-1:2012 (E) 5 Foreword This document (EN 15502-1:2012) has been prepared by Technical Committee CEN/TC 109 “Central heating boilers using gaseous fuels”, the secretariat of which is held by NEN. This

    30、 European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by January 2013, and conflicting national standards shall be withdrawn at the latest by January 2013. Attention is drawn to the possibility that some of th

    31、e elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document has been prepared under mandates M89/6 and M066, given to CEN by the European Commission and the European Free Trade Associat

    32、ion, and supports essential requirements as meant in article 3 of EU Directive 2009/142/EC, relating to appliances burning gaseous fuels and the verification methods valid for production and measurements, as meant in article 5.2 of EU Directive 92/42/EEC, relating to the efficiency requirements for

    33、new hot water boilers fired with liquid or gaseous fuels, with an output of 4 400 kW. For relationship with EU Directive(s), see informative Annex ZA and ZB, which are integral parts of this document. Annex V lists which existing standards are intended to be replaced by this standard in combination

    34、with the relevant Part 2. The standards listed in Annex V are to be used until the relevant Part 2 cover the types indicated. This European Standard by itself does not replace any European Standard. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the follow

    35、ing countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, No

    36、rway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15502-1:2012

    37、EN 15502-1:2012 (E) 6 Introduction A gas-fired heating boiler is an appliance using gas as fuel designed to heat water with the purpose of providing heat to a building (or portion of a building) from one point to multiple rooms using heat emitters such as radiators and convectors to transmit the hea

    38、t from the water to the room. The boiler may also be used to provide domestic hot water via an indirect hot water storage tank. The basic function of gas-fired heating boiler is to generate heat by direct heat transfer in a heat exchanger, from the combustion gasses to the water. The boiler may incl

    39、ude in one design more than one function. It may include for example: a sanitary hot water function; a function to supply the combustion air from the outside of the building; a function to dispose the combustion products to the outside of the building. The boiler design may be supplied to the market

    40、 in more than one part. If the boiler is supplied to the market in multiple parts, the boiler is the assembly of various parts according to the installation instructions. Boilers may be designed to be connected to specific parts of a building. Connection to a chimney and the means of combustion air

    41、supply is particularly relevant. This European Standard was established to deal with aspects related to: a) safety; b) rational use of energy; c) fitness for purpose. This European Standard is a first part of a series of standards that will describe the special requirements for specific boiler types

    42、. This European Standard contains the common requirements that are applicable for the majority of the specific boiler types. This European Standard is to be used in conjunction with the specific Part 2. Matters related to quality assurance systems, tests during production, and certificates of confor

    43、mity of auxiliary devices are not dealt with in this series of European Standards. Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15502-1:2012EN 15502-1:2012 (E) 7 1 Scope

    44、 This European Standard specifies the common requirements and test methods concerning, in particular the construction, safety, fitness for purpose, and rational use of energy, as well as the classification and marking of gas-fired central heating boilers that are fitted with atmospheric burners, fan

    45、 assisted atmospheric burners or fully premixed burners, and are hereafter referred to as “boilers”. This European Standard is to be used in conjunction with the specific Parts 2 (Part 2-1 and following ones). This European Standard applies to boilers of types B and C, according to CEN/TR 1749:2009:

    46、 a) that use one or more combustible gases of the three gas families at the pressures stated in EN 437; b) where the temperature of the heat transfer fluid does not exceed 105 C during normal operation; c) where the maximum operating pressure in the water circuit does not exceed 6 bar; d) which can

    47、give rise to condensation under certain circumstances; e) which are declared in the installation instructions to be either a “condensing” boiler or a “low temperature boiler“ or a “standard boiler”. If no declaration is given the boiler is to be considered a “standard boiler” f) which are intended to be installed inside a building or in a partially protected place; g) which are intended to produce hot water either by the instantaneous or storage principle, the whole being marketed as a single unit. This European Standard applies to boilers designed for sealed w


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