EN 15420-2010 0000 Gas-fired central heating boilers - Type C boilers of nominal heat input exceeding 70 kW but not exceeding 1 000 kW《燃气供暖锅炉 额定热输入大于70 kW小于等于1000 kW的C型锅炉》.pdf
《EN 15420-2010 0000 Gas-fired central heating boilers - Type C boilers of nominal heat input exceeding 70 kW but not exceeding 1 000 kW《燃气供暖锅炉 额定热输入大于70 kW小于等于1000 kW的C型锅炉》.pdf》由会员分享,可在线阅读,更多相关《EN 15420-2010 0000 Gas-fired central heating boilers - Type C boilers of nominal heat input exceeding 70 kW but not exceeding 1 000 kW《燃气供暖锅炉 额定热输入大于70 kW小于等于1000 kW的C型锅炉》.pdf(172页珍藏版)》请在麦多课文档分享上搜索。
1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 15420:2010Gas-fired central heating boilers Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1 000 kWCopyright European Committee for Standardization
2、 Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15420:2010 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 15420:2010.The UK participation in its preparation was entrusted to Technic
3、alCommittee GSE/29, Gas-fired central heating 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 contrac
4、t. Users are responsible for its correctapplication. BSI 2010ISBN 978 0 580 56382 9ICS 91.140.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 December 2010.Am
5、endments 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 15420:2010EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15420 Dece
6、mber 2010 ICS 91.140.10 English Version Gas-fired central heating boilers - Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1 000 kW Chaudires de chauffage central utilisant les combustibles gazeux - Chaudires de type C dont le dbit calorifique nominal est suprieur 70 kW mais
7、 infrieur ou gal 1 000 kW Heizkessel fr gasfrmige Brennstoffe - Heizkessel der Bauart C mit einer Nennwrmebelastung grer als 70 kW aber gleich oder kleiner als 1 000 kW This European Standard was approved by CEN on 23 October 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regula
8、tions 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 Management Centre or to any CEN member. This E
9、uropean 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 Management Centre has the same status as the official versions. CEN members are the
10、 national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Sw
11、itzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. N
12、o. EN 15420:2010: ECopyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15420:2010 EN 15420:2010 (E) 2 Contents Page Foreword . 71 Scope 82 Normative references . 83 Terms and d
13、efinitions . 103.1 Combustible gases . 103.2 Constituent parts of the boiler . 123.2.1 Gas supply . 123.2.2 Air supply and combustion products evacuation . 133.2.3 Adjusting, control and safety devices 153.3 Operation of the boiler 173.3.1 Gas rates 173.3.2 Outputs. 183.3.3 Efficiency . 183.3.4 Gas
14、combustion 193.3.5 Times 193.3.6 spark restoration . 203.3.7 recycling 203.3.8 controlled shutdown . 203.3.9 safety shutdown 203.3.10 Locking out 203.4 Auxiliary energy 213.4.1 electric auxiliary energy . 213.5 Country of destination 213.5.1 direct country of destination . 213.5.2 indirect country o
15、f destination 214 Classification of boilers 214.1 Gases and categories . 214.2 Mode of air supply and evacuation of the combustion products 224.2.1 Type C Boilers . 224.2.2 Type of installation of the boiler 224.2.3 Presence and position of a fan 234.3 Classification according to operating condition
16、s)234.3.1 Standard boiler 234.3.2 Low-temperature boiler 234.3.3 Gas condensing boiler). 244.4 Modular boiler . 245 Constructional requirements . 245.1 General . 245.2 Conversion to different gases . 245.3 Materials and method of construction 245.3.1 General . 245.3.2 Materials and thicknesses of wa
17、lls or tubes under water pressure 255.3.3 Thermal insulation 335.4 Combustion products evacuation duct 345.4.1 Stability under mechanical loading . 345.4.2 Stability under exposure to heat . 345.4.3 Corrosion resistance 345.4.4 Resistance to condensate and moisture under normal operating conditions
18、. 345.5 Design 34Copyright European Committee for Standardization Provided by IHS under license with CENNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-BS EN 15420:2010EN 15420:2010 (E) 3 5.5.1 General . 345.5.2 Modular boilers . 355.6 Use and servicing . 355.7 Con
19、nections to the gas and water pipes 355.7.1 General . 355.7.2 Connections to the gas pipe 355.7.3 Connections to the central heating circuit . 365.8 Soundness . 365.8.1 Soundness of the gas circuit . 365.8.2 Soundness of the combustion circuit . 365.9 Supply of combustion air and the evacuation of t
20、he combustion products 375.9.1 General . 375.9.2 Air supply and combustion products evacuation duct)375.9.3 Terminal . 375.9.4 Terminal guard 375.9.5 Fitting piece . 385.9.6 Control dampers in the air or combustion products circuit . 385.9.7 Special requirements for certain components of boilers wit
21、h a fan . 385.9.8 Condensate discharge 395.10 Checking the state of operation 405.11 Drainage . 405.12 Electrical equipment . 405.13 Operational safety in the event of failure of the auxiliary energy 405.14 Adjusting, control and safety devices 405.14.1 General . 405.14.2 Adjusters and range rating
22、devices 415.14.3 Gas circuit 415.14.4 Gas pressure regulator. 435.14.5 Ignition devices . 435.14.6 Flame supervision systems . 445.14.7 Thermostats and water temperature limiting devices . 455.15 Burners 465.16 Pressure test points 465.17 Chemical composition of the condensate 466 Operational requir
23、ements 466.1 General . 466.2 Soundness . 466.2.1 Soundness of the gas circuit . 466.2.2 Soundness of the combustion circuit . 476.2.3 Soundness of the water circuit 486.3 Nominal, maximum and minimum heat inputs, and nominal output . 486.3.1 Nominal heat input or maximum and minimum heat inputs 486.
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