1、BSI Standards PublicationBS EN 12309-2:2015Gas-fired sorption appliancesfor heating and/or cooling witha net heat input not exceeding70 kWPart 2: SafetyBS EN 12309-2:2015Incorporating corrigendum December 2015BS EN 12309-2:2015 BRITISH STANDARDNational forewordThis British Standard is the UK impleme
2、ntation of EN 12309-2:2015,incorporating corrigendum December 2015. Together with BS EN 12309-1:2014 it supersedes BS EN 12309-1:2000, which iswithdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee GSE/37, Gas fired sorption and laundering appliances.A list of organiza
3、tions represented on this committee can be obtainedon request to its secretary.This publication does not purport to include all the necessary provisionsof a contract. Users are responsible for its correct application. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN
4、 978 0 580 92895 6ICS 27.080; 91.140.30Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the StandardsPolicy and Strategy Committee on 30 June 2015.Amendments/corrigenda issued since publicationDate Text affect
5、ed29 February 2016 Implementation of CEN corrigendumDecember 2015: Table 10 modifiedEUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12309-2 May 2015 ICS 27.080; 91.140.30 Supersedes EN 12309-1:1999English Version Gas-fired sorption appliances for heating and/or cooling with a net heat input not
6、 exceeding 70 kW - Part 2: Safety Appareils sorption fonctionnant au gaz pour le chauffage et/ou le refroidissement de dbit calorifique sur PCI infrieur 70 kW - Partie 2 : Scurit Gasbefeuerte Sorptions-Gerte fr Heizung und/oder Khlung mit einer Nennwrmebelastung nicht ber 70 kW -Teil 2: Sicherheit T
7、his European Standard was approved by CEN on 14 February 2015. 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-to-date lists and bibliographical ref
8、erences 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 translation under the responsibility of a C
9、EN 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, Former Yugoslav Republic of Macedon
10、ia, 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 COMIT EUROPEN DE NORMALISATION EUROPI
11、SCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, 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 12309-2:2015 EBS EN 12309-2:2015EN 12309-2:2015 (E) 2 Contents Page Foreword 6 1 Scope 8
12、 1.1 Scope of EN 12309 series .8 1.2 Scope of this Part 2 to EN 12309 8 2 Normative references 8 3 Terms and definitions 10 4 Classification . 10 4.1 Classification of appliances 10 4.1.1 Classification of gases . 10 4.1.2 Classification according to the mode of air supply and evacuation of the comb
13、ustion products . 10 4.1.3 Classification according to the temperatures of the heat transfer media 11 4.1.4 Classification according to denomination . 11 5 Construction and design requirements . 12 5.1 General . 12 5.1.1 Conversion to different gases . 12 5.1.2 Materials and method of construction .
14、 13 5.1.3 Accessibility for maintenance and use 13 5.1.4 Thermal insulation 13 5.1.5 Gas connection . 14 5.1.6 Soundness . 14 5.1.7 Air proving . 15 5.1.8 Air proving device. 15 5.1.9 Gas/air ratio controls 16 5.1.10 Supply of combustion air and evacuation of combustion products . 17 5.1.11 Checking
15、 the state of operation 19 5.1.12 Electrical equipment . 19 5.1.13 Operational safety in the event of fluctuation, interruption and restoration of the auxiliary energy 20 5.1.14 Rotating parts (e.g. motors and fans) . 20 5.1.15 Pressurized parts of the appliance . 20 5.2 Requirements for adjusting,
16、control and safety devices . 21 5.2.1 General . 21 5.2.2 Gas rate adjusters and range-rating device . 21 5.2.3 Aeration adjusters 21 5.2.4 Automatic gas/air ratio controls 22 5.2.5 Gas pressure regulators 22 5.2.6 Multifunctional controls . 22 5.2.7 Automatic shut-off valves 22 5.2.8 Automatic burne
17、r control systems . 23 5.2.9 Gas strainers . 23 5.3 Ignition devices . 23 5.3.1 General . 23 5.3.2 Ignition device for the main burner . 23 5.3.3 Ignition burners . 24 5.4 Transportation of combustion air and/or flue gases 24 5.4.1 Combustion air 24 5.4.2 Pre-purge and post-purge 24 5.5 Flame superv
18、ision system . 24 BS EN 12309-2:2015EN 12309-2:2015 (E) 3 5.6 Flame ignition and safety time TSA25 5.7 Main flame establishment . 26 5.7.1 Establishment by means of an ignition flame 26 5.7.2 Direct establishment of the main flame 26 5.8 Main burner 26 5.9 Facility for remote control 26 5.10 Thermos
19、tats and control of air temperature. 27 5.10.1 General requirements . 27 5.10.2 Overheat cut-off device . 27 5.10.3 Sensors. 27 5.11 Gas pressure test points 27 5.12 Pressure relief devices . 27 5.13 Additional requirements for appliances designed for outdoor installation 28 5.13.1 General . 28 5.13
20、.2 Combustion air inlets 28 5.13.3 Access panels and doors . 28 5.13.4 Dimensions of openings . 28 5.13.5 Fixing screws . 28 5.13.6 Frost protection . 28 5.14 Materials in contact with condensate 28 5.15 Condensate 28 5.15.1 Discharge of condensate 28 5.15.2 Control of the combustion products temper
21、ature . 29 5.15.3 Chemical composition of the condensate 29 5.15.4 Additional requirements for indoor installations . 29 5.16 Electrical safety . 29 6 Operational requirements . 30 6.1 Soundness . 30 6.1.1 Soundness of the gas circuit . 30 6.1.2 Soundness of the combustion circuit and correct evacua
22、tion of combustion products 30 6.2 Heat inputs . 31 6.2.1 Nominal heat input 31 6.2.2 Ignition heat input . 31 6.2.3 Effectiveness of gas rate adjusters . 31 6.2.4 Effectiveness of the gas pressure regulator 31 6.2.5 Effectiveness of the range-rating device 31 6.3 Limiting temperatures . 32 6.3.1 Te
23、mperature of parts of the appliance which have to be touched during normal use 32 6.3.2 Temperatures of the outer case of the appliance 32 6.3.3 Temperature of the floor, walls and worktop/ceiling . 32 6.3.4 Component temperatures . 32 6.3.5 Motor temperatures (motor windings) 32 6.4 Ignition, cross
24、 lighting, flame stability 32 6.4.1 Ignition and cross-lighting . 32 6.4.2 Flame stability 33 6.5 Combustion 34 6.5.1 General . 34 6.5.2 Limit conditions . 34 6.5.3 Special conditions . 34 6.5.4 Sooting . 34 6.5.5 Supplementary requirement for condensing appliances 34 6.5.6 Supplementary requirement
25、s for B12and B13appliances . 34 6.6 Safety of operation in various temperature environments . 34 6.6.1 Temperature operating range 34 6.6.2 Safety in the event of operation outside the temperature operating range 35 6.7 Overheat cut off device . 35 BS EN 12309-2:2015EN 12309-2:2015 (E) 2 Contents Pa
26、ge Foreword 6 1 Scope 8 1.1 Scope of EN 12309 series .8 1.2 Scope of this Part 2 to EN 12309 8 2 Normative references 8 3 Terms and definitions 10 4 Classification . 10 4.1 Classification of appliances 10 4.1.1 Classification of gases . 10 4.1.2 Classification according to the mode of air supply and
27、 evacuation of the combustion products . 10 4.1.3 Classification according to the temperatures of the heat transfer media 11 4.1.4 Classification according to denomination . 11 5 Construction and design requirements . 12 5.1 General . 12 5.1.1 Conversion to different gases . 12 5.1.2 Materials and m
28、ethod of construction . 13 5.1.3 Accessibility for maintenance and use 13 5.1.4 Thermal insulation 13 5.1.5 Gas connection . 14 5.1.6 Soundness . 14 5.1.7 Air proving . 15 5.1.8 Air proving device. 15 5.1.9 Gas/air ratio controls 16 5.1.10 Supply of combustion air and evacuation of combustion produc
29、ts . 17 5.1.11 Checking the state of operation 19 5.1.12 Electrical equipment . 19 5.1.13 Operational safety in the event of fluctuation, interruption and restoration of the auxiliary energy 20 5.1.14 Rotating parts (e.g. motors and fans) . 20 5.1.15 Pressurized parts of the appliance . 20 5.2 Requi
30、rements for adjusting, control and safety devices . 21 5.2.1 General . 21 5.2.2 Gas rate adjusters and range-rating device . 21 5.2.3 Aeration adjusters 21 5.2.4 Automatic gas/air ratio controls 22 5.2.5 Gas pressure regulators 22 5.2.6 Multifunctional controls . 22 5.2.7 Automatic shut-off valves 2
31、2 5.2.8 Automatic burner control systems . 23 5.2.9 Gas strainers . 23 5.3 Ignition devices . 23 5.3.1 General . 23 5.3.2 Ignition device for the main burner . 23 5.3.3 Ignition burners . 24 5.4 Transportation of combustion air and/or flue gases 24 5.4.1 Combustion air 24 5.4.2 Pre-purge and post-pu
32、rge 24 5.5 Flame supervision system . 24 BS EN 12309-2:2015EN 12309-2:2015 (E) 3 5.6 Flame ignition and safety time TSA25 5.7 Main flame establishment . 26 5.7.1 Establishment by means of an ignition flame 26 5.7.2 Direct establishment of the main flame 26 5.8 Main burner 26 5.9 Facility for remote
33、control 26 5.10 Thermostats and control of air temperature. 27 5.10.1 General requirements . 27 5.10.2 Overheat cut-off device . 27 5.10.3 Sensors. 27 5.11 Gas pressure test points 27 5.12 Pressure relief devices . 27 5.13 Additional requirements for appliances designed for outdoor installation 28 5
34、.13.1 General . 28 5.13.2 Combustion air inlets 28 5.13.3 Access panels and doors . 28 5.13.4 Dimensions of openings . 28 5.13.5 Fixing screws . 28 5.13.6 Frost protection . 28 5.14 Materials in contact with condensate 28 5.15 Condensate 28 5.15.1 Discharge of condensate 28 5.15.2 Control of the com
35、bustion products temperature . 29 5.15.3 Chemical composition of the condensate 29 5.15.4 Additional requirements for indoor installations . 29 5.16 Electrical safety . 29 6 Operational requirements . 30 6.1 Soundness . 30 6.1.1 Soundness of the gas circuit . 30 6.1.2 Soundness of the combustion cir
36、cuit and correct evacuation of combustion products 30 6.2 Heat inputs . 31 6.2.1 Nominal heat input 31 6.2.2 Ignition heat input . 31 6.2.3 Effectiveness of gas rate adjusters . 31 6.2.4 Effectiveness of the gas pressure regulator 31 6.2.5 Effectiveness of the range-rating device 31 6.3 Limiting tem
37、peratures . 32 6.3.1 Temperature of parts of the appliance which have to be touched during normal use 32 6.3.2 Temperatures of the outer case of the appliance 32 6.3.3 Temperature of the floor, walls and worktop/ceiling . 32 6.3.4 Component temperatures . 32 6.3.5 Motor temperatures (motor windings)
38、 32 6.4 Ignition, cross lighting, flame stability 32 6.4.1 Ignition and cross-lighting . 32 6.4.2 Flame stability 33 6.5 Combustion 34 6.5.1 General . 34 6.5.2 Limit conditions . 34 6.5.3 Special conditions . 34 6.5.4 Sooting . 34 6.5.5 Supplementary requirement for condensing appliances 34 6.5.6 Su
39、pplementary requirements for B12and B13appliances . 34 6.6 Safety of operation in various temperature environments . 34 6.6.1 Temperature operating range 34 6.6.2 Safety in the event of operation outside the temperature operating range 35 6.7 Overheat cut off device . 35 BS EN 12309-2:2015EN 12309-2
40、:2015 (E) 4 6.8 Maximum working pressure of pressurized vessels 35 6.9 Pressure relief devices . 35 6.9.1 Pressure activated pressure relief devices 35 6.9.2 Temperature activated pressure relief devices . 36 6.10 Effectiveness of the pre-purge 36 6.11 Weather resistance . 36 6.12 Formation of conde
41、nsate . 36 6.13 NOx . 37 6.14 Combustion products temperature. 37 7 Test methods . 37 7.1 General . 37 7.1.1 Characteristics of test gases: reference and limit gases . 37 7.1.2 Conditions for preparation of the test gases . 37 7.1.3 Practical application of test gases 38 7.1.4 Test pressures 39 7.1.
42、5 Test procedures - Tests requiring the use of limit gases . 39 7.1.6 General test conditions 39 7.1.7 Modulating and high/low operation 42 7.1.8 Tolerances of measurements 42 7.2 Construction and design . 43 7.2.1 Manually operated devices (see 5.2.8.2) 43 7.2.2 Extinction safety time (see 5.5) . 4
43、3 7.2.3 Safety time (see 5.6) . 43 7.3 Safety of operation . 43 7.3.1 Soundness . 43 7.3.2 Heat inputs 46 7.3.3 Limiting temperatures 48 7.3.4 Ignition, Cross-lighting, Flame stability . 49 7.3.5 Combustion . 56 7.3.6 Safety of operation in various temperature environments. 59 7.3.7 Overheat cut-off
44、 device 61 7.3.8 Maximum working pressure of pressurized vessels 62 7.3.9 Pressure relief devices . 64 7.3.10 Effectiveness of the pre-purge for all appliances . 66 7.3.11 Weather resistance . 67 7.3.12 NOxMeasurement . 67 7.3.13 Combustion product temperature . 72 7.3.14 Supervision of the combusti
45、on air rate or the combustion products rate . 72 7.3.15 Leakage of control tubes . 73 7.3.16 Adjustment of the gas/air ratio 73 7.3.17 Flame ignition and safety time TSA73 7.3.18 Discharge of condensate . 73 8 Marking and instructions . 73 8.1 Appliance marking 73 8.1.1 Data plate . 73 8.1.2 Supplem
46、entary markings . 74 8.1.3 Packaging 75 8.1.4 Warnings on the appliance and the packaging . 75 8.1.5 Other information 76 8.2 Instructions . 76 8.2.1 Technical instructions 76 8.2.2 Users instructions . 78 8.2.3 Conversion instructions 78 8.3 Presentation 79 8.4 Supplementary marking and instruction
47、s in the case of appliances to be installed outdoor or in partially protected places 79 BS EN 12309-2:2015EN 12309-2:2015 (E) 5 8.4.1 General information 79 8.4.2 Warning on the appliance and the packaging 79 8.4.3 Technical instructions 79 9 Figures 80 Annex A (informative) Alternative method for t
48、he determination of the nominal heat input or the maximum and minimum heat input for appliances using a pneumatic gas/air ratio control system 91 Annex B (informative) Calculation of conversions of NOx. 93 Annex C (informative) Example of calculation of weighting factors NOx94 Annex D (informative)
49、Ratio of calorific value Gross to Net and Net to Gross for Gas Families 1, 2 and 3 . 96 Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2009/142/EC relating to appliances burning gaseous fuels (codified version) . 97 Annex ZB (informative) Relationship between this European Standard and the requirements of Commission Regulation (EC) No 813/2013 . 100 Annex ZC (informative) Relationship between this European Standard and the requirements of Commission Regulation (EC) N 811/2013 101 Bibliography 102 BS EN
