EN 15502-1-2012 en Gas-fired heating boilers - Part 1 General requirements and tests (Incorporates Amendment A1 2015)《燃气供热锅炉 一般要求和试验》.pdf

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1、BSI Standards PublicationGas-fired heating boilersPart 1: General requirements and testsBS EN 15502 -1:2012+A1:2015Incorporating corrigendum February 2015BS EN 15502-1:2012+A1:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 15502-1:2012+A1:2015. It supersed

2、es BS EN 15502-1:2012 which The UK participation in its preparation was entrusted to Technical Committee GSE/29, Gas-fired central heating boilers (domestic and non-domestic) and domestic gas-fired water heaters.A list of organizations represented on this committee can be obtained on request to its

3、secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015ISBN 978 0 580 87500 7ICS 27.060.30; 91.140.10Compliance with a British

4、 Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2012.Amendments/corrigenda issued since publicationDate Text affected28 February 2015 Supersession information in National forewor

5、d updated and National Annex NA inserted31 July 2015 Implementation of CEN amendment A1:2015, National Annex NA removedThe start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN text carry the number of the CEN amendment. For exam

6、ple, text altered by CEN amendment A1 is indicated by !“.is withdrawn. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15502-1:2012+A1 June 2015 ICS 27.060.30; 91.140.10 Supersedes EN 15502-1:2012English Version Gas-fired heating boilers - Part 1: General requirements and tests Chaudires de cha

7、uffage central utilisant les combustibles gazeux - Partie 1: Exigences gnrales et essais Heizkessel fur gasfrmige Brennstoffe - Teil 1: Allgemeine Anforderungen und Prfungen This European Standard was approved by CEN on 25 May 2012 and includes Amendment 1 approved by CEN on 24 April 2015. CEN membe

8、rs 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-to-date lists and bibliographical references concerning such national standards may be obtained on applicatio

9、n 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 translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Manageme

10、nt 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, L

11、ithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17

12、, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15502-1:2012+A1:2015 EEN 15502-1:2012+A1:2015 (E) 2 Contents Page Foreword 12 Introduction 14 1 Scope 15 2 Normative references . 15 3 Terms, definitions and sy

13、mbols 17 3.1 Terms and definitions 17 3.1.1 Gas supply 17 3.1.2 Burners . 18 3.1.3 Air supply and combustion products circuit 19 3.1.4 Adjusting, control and safety devices . 19 3.1.5 Operation of the boiler 23 3.1.6 Outputs . 23 3.1.7 Combustion 24 3.1.8 Times . 24 3.1.9 Auxiliary energy . 25 3.1.1

14、0 Design types of boilers . 25 3.1.11 Installation 26 3.1.12 Operation of the boiler 26 3.1.13 Relevant eco-design and labelling regulations terms 26 3.2 Symbols 28 4 Classification . 29 4.1 Gases and categories 29 4.2 Mode of air supply and evacuation of the combustion products . 29 4.3 Maximum wat

15、er-side operating pressure 29 5 Construction 30 5.1 General 30 5.2 Conversion to different gases 30 BS EN 15502-1:2012+A1:2015EN 15502-1:2012+A1:2015 (E) 3 5.3 Materials 30 5.3.1 General. 30 5.3.2 Materials and thicknesses of walls or tubes with water side operating pressure for boilers of pressure

16、class-3 . 31 5.3.3 Domestic water connections . 32 5.3.4 Thermal Insulation 32 5.4 Method of construction 32 5.4.1 Design 32 5.4.2 Checking the state of operation 33 5.4.3 Use and servicing . 33 5.4.4 Connections to the gas and water pipes 34 5.4.5 Soundness 34 5.4.6 Supply of combustion air and eva

17、cuation of the combustion products 35 5.4.7 Dampers 35 5.4.8 Air proving . 35 5.4.9 Gas/air ratio controls 36 5.4.10 Fan 36 5.4.11 Drainage 36 5.4.12 Operational safety in the event of failure of the auxiliary energy . 36 5.4.13 Special provision for Low Temperature Boilers and Condensing Boilers .

18、36 5.5 Burners 37 5.6 Pressure test points . 38 5.7 Requirements for the application of control and safety devices 38 5.7.1 General. 38 5.7.2 djusters and range-rating devices 38 5.7.3 Gas circuit . 39 5.7.4 Gas pressure regulator 40 5.7.5 Ignition devices . 40 5.7.6 Flame supervision devices 41 BS

19、EN 15502-1:2012+A1:2015EN 15502-1:2012+A1:2015 (E) 4 5.7.7 Gas/air ratio control tubes 42 5.7.8 Thermostats and water temperature limiting devices 42 5.7.9 Remote control . 43 5.7.10 Expansion vessel and pressure gauge 44 5.7.11 Protection against frost for boilers intended to be installed in a part

20、ially protected place . 44 5.7.12 Adjusting, control and safety devices for the domestic hot water circuit . 44 6 Electrical safety . 45 7 Controls 45 7.1 General 45 7.2 Detailed specifications 45 7.3 Thermostats and water temperature limiting devices . 46 7.3.1 General 46 7.3.2 Construction require

21、ments . 47 7.3.3 Performance . 48 8 Operational requirements 50 8.1 General 50 8.1.1 Characteristics of the reference and limit gases 50 8.1.2 General test conditions . 51 8.2 Soundness 55 8.2.1 Soundness of the gas circuit 55 8.2.2 Soundness of the combustion circuit 55 8.2.3 Soundness of the water

22、 circuit . 55 8.2.4 Soundness of the domestic water circuit 57 8.3 Hydraulic resistance 57 8.4 Heat inputs and heat output . 57 8.4.1 Determination of the nominal heat input or the maximum and minimum heat input . 57 8.4.2 Adjustment of the heat input by the downstream gas pressure . 59 8.4.3 Igniti

23、on rate . 59 BS EN 15502-1:2012+A1:2015EN 15502-1:2012+A1:2015 (E) 5 8.4.4 Nominal output . 59 8.4.5 Verification of the nominal condensing output . 60 8.4.6 Nominal domestic hot water heat input . 60 8.4.7 Water pressure to obtain the nominal heat input for instantaneous combination boilers 60 8.4.

24、8 Obtaining the domestic hot water temperature for instantaneous combination boilers 60 8.4.9 Heating-up time of the domestic hot water 61 8.5 Limiting temperatures 61 8.5.1 General. 61 8.5.2 Limiting temperatures of the adjusting, control and safety devices 62 8.5.3 Limiting temperatures of the sid

25、e walls, the front and the top 62 8.5.4 Limiting temperature of the test panels and the floor 62 8.6 Ignition, cross lighting, flame stability . 63 8.6.1 General. 63 8.6.2 Limit conditions 63 8.6.3 Special flue conditions. 65 8.6.4 Reduction of the gas rate of the ignition burner . 65 8.7 Reduction

26、of the gas pressure 66 8.8 Defective closure of the gas valve immediately upstream of the main burner 66 8.9 Pre-purge . 66 8.10 Functioning of a permanent ignition burner when the fan stops during the standby time 66 8.11 Adjustment, control and safety devices 67 8.11.1 General. 67 8.11.2 Boilers i

27、ntended to be installed in a partially protected place 67 8.11.3 Combination Boilers . 67 8.11.4 Control devices . 70 8.11.5 Ignition devices . 70 8.11.6 Flame supervision device 72 BS EN 15502-1:2012+A1:2015EN 15502-1:2012+A1:2015 (E) 6 8.11.7 Gas pressure regulator . 75 8.11.8 Thermostats and wate

28、r temperature limiting devices 76 8.12 Carbon monoxide. 78 8.12.1 General 78 8.12.2 Limit conditions . 80 8.12.3 Special conditions . 80 8.12.4 Sooting 81 8.12.5 Supplementary test for low temperature boilers and condensing boilers 82 8.13 NOx. 82 8.13.1 Requirement . 82 8.13.2 Test methods 83 8.13.

29、3 NOxrequirement for Eco-design regulation 85 8.14 Special provisions for boilers intended to be installed in a partially protected place 86 8.14.1 Frost protection system for boilers intended to be installed in a partially protected place . 86 8.14.2 Protection against the ingress of rain . 86 8.15

30、 Formation of condensate 86 8.16 Temperature of combustion products . 87 8.17 Sound power level . 87 9 Useful efficiencies . 88 9.1 General 88 9.1.1 Use of correction formulae . 88 9.1.2 Use of the general test conditions . 88 9.2 Useful efficiency at the nominal heat input . 88 9.2.1 Requirements .

31、 88 9.2.2 Tests 89 9.3 Useful efficiency at part load 90 9.3.1 Requirements . 90 9.3.2 Tests 90 BS EN 15502-1:2012+A1:2015EN 15502-1:2012+A1:2015 (E) 7 9.4 Losses of combination boilers 96 9.4.1 Requirements for losses of combination boilers 96 9.4.2 Test of losses of combination boilers 96 9.5 Comp

32、liance with the eco-design regulation for efficiency. 98 9.5.1 Requirements for seasonal space heating energy efficiency 98 9.5.2 Calculations for seasonal space heating energy efficiency 99 9.5.3 Useful efficiency for nominal heat output 70kW and 400kW . 100 9.5.4 Water heating energy efficiency fo

33、r combined heaters 101 9.6 Compliance with the Labelling delegated regulation for efficiency 101 9.6.1 Seasonal space heating energy efficiency classes 101 9.6.2 Annual energy consumption of space heating . 102 9.6.3 Water heating energy efficiency classes . 102 9.6.4 Annual Fuel consumption of wate

34、r heating . 103 9.6.5 Annual electricity consumption 103 10 Electric auxiliary energy . 103 10.1 General 103 10.2 System boundaries. 103 10.3 Auxiliary energy at nominal heat input 104 10.4 Auxiliary energy at part load . 105 10.5 Auxiliary energy at stand-by . 105 10.6 Auxiliary electricity consump

35、tion measurements required for eco-design and labelling regulations 105 10.6.1 General. 105 10.6.2 System boundaries . 105 10.6.3 Auxiliary electricity consumption kW at nominal heat input . 106 10.6.4 Auxiliary electricity consumption at part load kW 106 10.6.5 Auxiliary electricity consumption at

36、stand by kW 106 11 Risk assessment 106 12 Marking and instructions 107 BS EN 15502-1:2012+A1:2015EN 15502-1:2012+A1:2015 (E) 8 12.1 Boiler marking 107 12.1.1 Data plate 107 12.1.2 Supplementary markings 108 12.1.3 Packaging . 108 12.1.4 Warnings on the boiler and the packaging . 108 12.1.5 Other inf

37、ormation . 108 12.2 Instructions . 108 12.2.1 Technical instructions . 108 12.2.2 Users instructions. 111 12.2.3 Conversion instructions 111 12.3 Presentation . 112 12.4 Supplementary marking and instructions in the case of boilers to be installed in partially protected places 112 12.4.1 General inf

38、ormation . 112 12.4.2 Warning on the boilers and the packaging . 112 12.4.3 Technical instructions . 112 13 Requirements for Eco-design Regulation (No 813/2013) and Energy Labelling Regulation (No 811/2013) . 119 13.1 Requirements for product information for the Eco-design Regulation (Annex II, Regu

39、lation No 813/2013) 119 13.2 Energy label for Energy Labelling Regulation No 811/2013 Energy Label 119 13.2.1 Boiler energy label . 119 13.2.2 Additional energy label for boilers intended to be used in a package . 119 13.2.3 Energy label for a package of space heater and temperature control and/or s

40、olar device . 119 13.3 Product fiche for Energy Labelling Regulation 811/2013 119 13.3.1 General 119 13.3.2 Boilers . 120 13.3.3 Combination boilers 120 13.3.4 Packages of space heater and temperature control and/or solar device 121 13.3.5 Packages of combination heater and temperature control and/o

41、r solar device . 121 BS EN 15502-1:2012+A1:2015EN 15502-1:2012+A1:2015 (E) 9 13.3.6 Technical documentation for Energy Labelling Regulation No 811/2013 . 122 Annex A (informative) Properties of carbon and stainless steels . 123 Annex B (normative) Minimum requirements for cast iron . 124 Annex C (no

42、rmative) Parts in aluminium and aluminium alloys 125 Annex D (normative) Parts in copper or copper alloys . 126 Annex E (normative) Minimum thicknesses for rolled parts 127 Annex F (normative) Nominal minimum thicknesses of boiler sections of cast materials under water pressure 128 Annex G (normativ

43、e) Parameters for welded joints and welding processes 129 Annex H (informative) Composition of the gas circuit 134 H.1 General 134 H.2 Boilers with permanent ignition burner or alternating ignition burner or leakage control device or with pre-purge . 134 H.2.1 Heat inputs not exceeding 70 kW 134 H.2

44、.2 Heat inputs exceeding 70 kW but not exceeding 150 kW . 135 H.2.3 Heat inputs exceeding 150 kW but not exceeding 300 kW . 136 H.2.4 Heat Inputs exceeding 300 kW but not exceeding 1 000 kW 137 H.3 Boilers without permanent ignition burner or alternating ignition burner, without leakage control devi

45、ce and without pre-purge . 138 H.3.1 Heat inputs up to 70 kW . 138 H.3.2 Heat inputs exceeding 70 kW but not exceeding 150 kW . 139 H.3.3 Heat inputs exceeding 150 kW but not exceeding 300 kW . 140 H.3.4 Heat inputs exceeding 300 kW but not exceeding 1000 kW . 141 Annex I (informative) Compilation o

46、f the test conditions for the various gas families . 142 Annex J (informative) Calculation of conversions of NOx 144 Annex K (informative) Example of calculation of the weighting factors NOx . 145 Annex L (informative) Practical method of calibrating the test rig to enable the heat loss Dp to be det

47、ermined 147 Annex M (informative) Means of determining the ignition time at full rate . 148 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 . 149 Annex O (informative) Example of a risk asse

48、ssment method 150 BS EN 15502-1:2012+A1:2015EN 15502-1:2012+A1:2015 (E) 10 Annex P (informative) Examples of risk assessment with a method described in Annex O 153 P.1 Introduction . 153 P.2 Risks . 153 P.3 Risk assessment . 153 Annex Q (informative) Realisation of a protective measure 158 Annex R (

49、informative) Overall classification of a basic risk 160 Annex S (informative) Not exhaustive list of classification examples 163 Annex T (normative) Correction for the determined efficiency in the low water temperature test of low temperature boilers (LTB) and condensing boilers (CB) . 165 Annex U (informative) Use of test gases 166 U.1 Boilers within a range . 166 U.2 Guidance on the use of test gases 166 Annex V (informative) Standards intended to be replaced by this standard in combination with the relevant part 2 . 167 Annex W (informative) Alternative Method for