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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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
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