DIN EN 12309-2-2016 Gas-fired sorption appliances for heating and or cooling with a net heat input not exceeding 70 kW - Part 2 Safety German version EN 12309-2 2015 + AC 2015《净输入热.pdf

1、April 2016 English price group 31No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 27.080; 91.140.30This standard has

2、 been included in the body of DVGW Technical Rules.!%QW“2465229www.din.deDIN EN 12309-2Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW Part 2: Safety;English version EN 12309-2:2015 + AC:2015,English translation of DIN EN 12309-2:2016-04Gasbefeuerte

3、 Sorptions-Gerte fr Heizung und/oder Khlung mit einer Nennwrmebelastung nicht ber 70 kW Teil 2: Sicherheit;Englische Fassung EN 12309-2:2015 + AC:2015,Englische bersetzung von DIN EN 12309-2:2016-04Appareils sorption fonctionnant au gaz pour le chauffage et/ou le refroidissement de dbit calorifique

4、sur PCI infrieur 70 kW Partie 2: Scurit;Version anglaise EN 12309-2:2015 + AC:2015,Traduction anglaise de DIN EN 12309-2:2016-04Together with DIN EN 12309-1:2015-03,supersedesDIN EN 12309-1:1999-10www.beuth.deDocument comprises 104 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German

5、-language original shall be considered authoritative.04.16 DIN EN 12309-2:2016-04 2 A comma is used as the decimal marker. Start of application The start of application of this standard is 2016-04-01. National foreword This standard includes safety requirements. This document (EN 12309-2:2015) has b

6、een prepared by Technical Committee CEN/TC 299 “Gas-fired sorption appliances, indirect fired sorption appliances, gas-fired endothermic engine heat pumps and domestic gas-fired washing and drying appliances” (Secretariat: UNI, Italy). The responsible German body involved in its preparation was DIN-

7、Normenausschuss Gastechnik (DIN Standards Committee Gas Technology), Working Committee NA 032-03-01 AA Husliche, gewerbliche und industrielle Gasanwendung. This standard has been developed with the consensus of the DVGW Deutscher Verein des Gas- und Wasserfaches e.V. (German Technical and Scientific

8、 Association for Gas and Water). It is intended to include this standard in the body of technical rules and standards for gas issued by the DVGW Deutscher Verein des Gas- und Wasserfaches e.V. (German Technical and Scientific Association for Gas and Water). This standard includes Corrigendum AC:2015

9、 which corrects Table 10. The start and finish of text introduced or altered by corrigendum is indicated in the text by tags nullnull. In addition to the term “automatic recycling” given in Subclause 3.1, the following term applies: 3.2 soundness for the purposes of this standard, “soundness” is to

10、be understood as the property whereby water/gas/combustion products/air is/are conducted/enclosed in such a manner that it/they does/do not escape to the surroundings or within the appliance; i.e. “soundness” can be expressed as the admissible leakage rate and/or can be achieved by means of construc

11、tion measures Amendments This standard differs from DIN EN 12309-1:1999-10 as follows: a) the DIN EN 12309 standards series has been restructured and supplemented: Parts 1 and 2 of the revised series supersede EN 12309-1:1999 and Parts 3 to 7 supersede EN 12309-2:2000; b) DIN EN 12309-2 specifies sa

12、fety requirements for gas-driven sorption appliances for heating and/or cooling and/or heat pumps with a net heat input not exceeding 70 kW. Previous editions DIN 33830-2: 1988-06 DIN EN 12309-1: 1999-10 DIN EN 12309-2: 2000-06 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12309-2 May 2015 +

13、AC December 2015 ICS 27.080; 91.40.30 Supersedes EN 12309-1:1999 English Version Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 2: Safety Appareils sorption fonctionnant au gaz pour le chauffage et/ou le refroidissement de d bit calorifique

14、sur PCI infrieur 70 kW Partie 2: Scurit Gasbefeuerte Sorptions-Gerte fr Heizung und/oder Khlung mit einer Nennwrmbelastung nicht ber 70 kW Teil 2: Sicherheit EN 12309-2:2015 was approved by CEN on 2015-02-14 and Corrigendum AC:2015 on 2015-12-02. CEN members are bound to comply with the CEN/CENELEC

15、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 application to the CEN-CENELEC Management Centre or to

16、 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 Management Centre has the same status as the officia

17、l 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, Lithuania, Luxembourg, Malta, Netherlands, No

18、rway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in

19、 any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12309-2:2015 + AC:2015 E EN 12309-2:2015 (E) 2 Contents Page 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 Classific

20、ation . 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 combustion products . 10 4.1.3 Classification according to the temperatures of the heat transfer media 11 4.1.4 Classification according to

21、 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 . 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

22、 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 the state of operation 19 5.1.12 Electrical equipment . 19 5.1.13 Operational safety in the event of fluctuation, interruption and res

23、toration 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, 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.

24、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 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

25、. 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 supervision system . 24 DIN EN 12309-2:2016-04 EN 12309-2:2015 (E) 3 5.6 Flame ignition and safety time TSA25 5.7 Main flame establishment .

26、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 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.

27、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 5.13.2 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.

28、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 temperature . 29 5.15.3 Chemical composition of the condensate 29 5.15.4 Additional requirements for indoor installations . 29 5.16 Elec

29、trical 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 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

30、 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 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 appl

31、iance 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 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

32、 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 requirements for B12and B13appliances . 34 6.6 Safety of operation in various temperature environments . 34 6.6.1 Temperature operating range

33、 34 6.6.2 Safety in the event of operation outside the temperature operating range 35 6.7 Overheat cut off device . 35 DIN EN 12309-2:2016-04 EN 12309-2:2015 (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

34、 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 condensate . 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: referenc

35、e 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 7.1.5 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 To

36、lerances 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) . 43 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 Ignit

37、ion, 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 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

38、 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 combustion 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 ignitio

39、n 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 Supplementary 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.

40、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 instructions in the case of appliances to be installed outdoor or in partially protected places 79 DIN EN 12309-2:2016-04 EN 12309-2:2015 (E) 5 8.4.1 General i

41、nformation 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 the determination of the nominal heat input or the maximum and minimum heat input for appliances using a pneumatic gas/air ratio control system

42、91 Annex B (informative) Calculation of conversions of NO 93xAnnex C Example of calculation of weighting factors NO 94xAnnex D Ratio of calorific value Gross to Net and Net to Gross for Gas Families 1, 2 and 3 . 96 Annex ZA Relationship between this European Standard and the Essential Requirements o

43、f EU Directive 2009/142/EC relating to appliances burning gaseous fuels (codified version) . 97 Annex ZB Relationship between this European Standard and the requirements of Commission Regulation (EC) No 813/2013 . 100 Annex ZC Relationship between this European Standard and the requirements of Commi

44、ssion Regulation (EC) N 811/2013 101 Bibliography 102 DIN EN 12309-2:2016-04 (informative)(informative)(informative)(informative)(informative)EN 12309-2:2015 (E) 6 Foreword This document (EN 12309-2:2015) has been prepared by Technical Committee CEN/TC 299 “Gas-fired sorption appliances, indirect fi

45、red sorption appliances, gas-fired endothermic engine heat pumps and domestic gas-fired washing and drying appliances”, the secretariat of which is held by UNI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at t

46、he latest by November 2015, and conflicting national standards shall be withdrawn at the latest by November 2015. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any

47、 or all such patent rights. This document supersedes EN 12309-1:1999. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see in

48、formative Annex ZA, Annex ZB and Annex ZC, which are integral parts of this document. EN 12309 comprises the following parts under the general title, Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW: Part 1: Terms and definitions; Part 2: Safety; Par

49、t 3: Test conditions; Part 4: Test methods; Part 5: Requirements; Part 6: Calculation of seasonal performances; Part 7: Specific provisions for hybrid heating appliances; Part 8: Environmental aspects. EN 12309-1 and EN 12309-2 supersede EN 12309-1:1999, whereas EN 12309-1 and EN 12309-3, EN 12309-4, EN 12309-5, EN 12309-6 and EN 12309-7 supersede EN 12309-2:2000. EN 12309-1, EN 12309-2, EN 12309-3, EN 12309-4, EN 12309-5, EN 12309-6 and EN 1