EN 303-2-2017 en Heating boilers - Part 2 Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners.pdf

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1、Heating boilers Part 2: Heating boilers with forced draught burners Special requirements for boilers with atomizing oil burners BS EN 3032:2017 BSI Standards Publication WB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 303-2 August 2017 ICS

2、 91.140.10 Supersedes EN 15034:2006, EN 303-2:1998 English Version Heating boilers - Part 2: Heating boilers with forced draught burners - Special requirements for boilers with atomizing oil burners Chaudires de chauffage - Partie 2: Chaudires avec brleurs air souffl - Prescriptions spciales pour ch

3、audires avec brleurs fioul pulvrisation Heizkessel - Teil 2: Heizkessel mit Geblsebrennern - Spezielle Anforderungen an Heizkessel mit lzerstubungsbrennern This European Standard was approved by CEN on 26 June 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stip

4、ulate 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 any CEN member. This European

5、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 official versions. CEN members are the

6、 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, Norway, Poland, Portugal, Romania

7、, Serbia, 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, B-1000 Brussels 2017 CEN All rights of exploitation in any form a

8、nd by any means reserved worldwide for CEN national Members. Ref. No. EN 303-2:2017 E National foreword This British Standard is the UK implementation of EN 3032:2017. It supersedes BS EN 3032:1999 and BS EN 15034:2006, which are withdrawn. The UK participation in its preparation was entrusted to Te

9、chnical Committee RHE/10, Heating boilers. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standa

10、rds Institution 2017 Published by BSI Standards Limited 2017 ISBN 978 0 580 93474 2 ICS 91.140.10 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2

11、017. Amendments/corrigenda issued since publication Date Text affected BRITISH STANDARD BS EN 3032:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 303-2 August 2017 ICS 91.140.10 Supersedes EN 15034:2006, EN 303-2:1998 English Version Heating boilers - Part 2: Heating boilers with forced dr

12、aught burners - Special requirements for boilers with atomizing oil burners Chaudires de chauffage - Partie 2: Chaudires avec brleurs air souffl - Prescriptions spciales pour chaudires avec brleurs fioul pulvrisation Heizkessel - Teil 2: Heizkessel mit Geblsebrennern - Spezielle Anforderungen an Hei

13、zkessel mit lzerstubungsbrennern This European Standard was approved by CEN on 26 June 2017. 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

14、 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 translation u

15、nder 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, Forme

16、r Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION

17、 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 303-2:2017 E BS EN 3032:2017EN 303-2:2017 (E) 2 Co

18、ntents Page European foreword . 3 1 Scope 5 2 Normative references 5 3 Terms and definitions . 5 3.1 General terms and definitions 5 3.2 Terms and definitions relevant to eco-design and labelling regulations terms 6 4 Performance requirements . 6 4.1 General 6 4.2 Boiler efficiency . 6 4.2.1 Air rat

19、io for efficiency measurement . 6 4.2.2 Boilers of heat output 70 kW . 6 4.2.3 Boilers of heat output 70 kW and 400 kW 7 4.2.4 Boilers of heat output 400 kW and 1000 kW . 7 4.3 Draught requirements and gas side resistance 7 4.4 Emission values . 7 4.5 Standby heat loss . 7 4.6 Auxiliary electricity

20、consumption 8 4.7 Sound power level . 8 4.8 Samples for testing . 8 5 Material performance 8 5.1 General 8 5.2 Test specimen and test duration . 8 5.3 Adjustment values for the test 8 Annex A (normative) Assembly criteria 11 Annex B (informative) Example of test evaluation for a 3-months duration te

21、st 13 Annex ZA (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 813/2013 aimed to be covered . 15 Bibliography . 16 BS EN 3032:2017EN 303-2:2017 (E) 3 European foreword This document (EN 303-2:2017) has been prepared by Technic

22、al Committee CEN/TC 57 “Central heating boilers”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 2018, and conflicting national standards shall b

23、e withdrawn at the latest by February 2018. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to

24、CEN by the European Commission and the European Free Trade Association, and supports essential requirements of Regulation (EU) No 813/2013. For relationship with EU Regulation(s), see informative Annex ZA, which is an integral part of this document. This document supersedes EN 303-2:1998 and EN 1503

25、4:2006. The main technical changes compared to EN 303-2:1998 are the following: a) Complete new structure; b) Technical changes related to ecodesign and energy labelling: 1) 4.2, boiler efficiency and seasonal space heating efficiency; 2) 4.4, limitation of the emissions; 3) 4.5, standby heat loss;

26、4) 4.6, auxiliary electrical consumption; 5) 4.7, sound power level. c) Additions related to ecodesign and energy labelling: 1) Annex ZA. The following structure is intended for the standards for heating boilers: EN 303-1, Heating boilers Part 1: Heating boilers with forced draught burners Terminolo

27、gy, general requirements, testing and marking EN 303-2, Heating boilers Part 2: Heating boilers with forced draught burners Special requirements for boilers with atomizing oil burners EN 303-3, Heating boilers Part 3: Gas fired central heating boilers Assembly comprising a boiler body and a forced d

28、raught burner BS EN 3032:2017EN 303-2:2017 (E) 4 EN 303-4, Heating boilers Part 4: Heating boilers with forced draught burners Special requirements for boilers with forced draught oil burners with outputs up to 70 kW and a maximum operating pressure of 3 bar Terminology, special requirements, testin

29、g and marking EN 303-5, Heating boilers Part 5: Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW - Terminology, requirements, testing and marking EN 304, Heating boilers Test code for heating boilers for atomizing oil burners EN 303-6, Heating b

30、oilers - Part 6: Heating boilers with forced draught burners; specific requirements for the domestic hot water operation of combination boilers with atomizing oil burners of nominal heat input not exceeding 70 kW According to the CEN-CENELEC Internal Regulations, the national standards organisations

31、 of the following countries are bound to implement this European Standard: 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, N

32、etherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 3032:2017EN 303-2:2017 (E) 5 1 Scope This European Standard is applicable to boilers used for central heating in accordance with EN 303-1:2017 up to a nominal h

33、eat output of 1 000 kW and EN 303-4 up to a nominal heat output of 70 kW with forced draught burners in accordance with EN 267 that are designed for operating with liquid fuels. The performance requirements of this standard apply to type testing to heating boilers (standard, low temperature and cond

34、ensing boilers) which are tested on a test rig in accordance with the test code given in EN 304. This standard applies also to room sealed boilers as defined in EN 15035 regarding efficiency and emissions. This standard can also be used as the basis for evaluation of boiler-/burner units. 2 Normativ

35、e references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) app

36、lies. EN 267:2009+A1:2011, Automatic forced draught burners for liquid fuels EN 303-1:2017, Heating boilers - Part 1: Heating boilers with forced draught burners - Terminology, general requirements, testing and marking EN 303-4:1999, Heating boilers - Part 4: Heating boilers with forced draught burn

37、ers - Special requirements for boilers with forced draught oil burners with outputs up to 70 kW and a maximum operating pressure of 3 bar - Terminology, special requirements, testing and marking EN 304:2017, Heating boilers - Test code for heating boilers for atomizing oil burners EN 15035:2006, Hea

38、ting boilers - Special requirements for oil fired room sealed units up to 70 kW EN 15036-1:2006, Heating boilers - Test regulations for airborne noise emissions from heat generators - Part 1: Airborne noise emissions from heat generators EN 15316-4-1:2017, Energy performance of buildings - Method fo

39、r calculation of system energy requirements and system efficiencies - Part 4-1: Space heating and DHW generation systems, combustion systems (boilers, biomass), Module M3-8-1, M8-8-1 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 303-1:2017 and the f

40、ollowing apply. 3.1 General terms and definitions 3.1.1 range rated boiler appliance where the heat output is fixed in a given range 3.1.2 modulating boiler appliance where the heat output is varying in a given range automatically BS EN 3032:2017EN 303-2:2017 (E) 6 3.1.3 standby heat loss P stby the

41、 heat loss of a boiler space heater, boiler combination heater in operating mode without heat demand, expressed in kW 3.1.4 combination boiler (combi boiler) boiler designed both for central heating and for the production of domestic hot water Note 1 to entry: Depending on its type of domestic hot w

42、ater production, the combination boiler is classified in accordance with the manufacturers declaration as instantaneous type or storage type. 3.2 Terms and definitions relevant to eco-design and labelling regulations terms 3.2.1 sound power level L WA A-weighted sound power level, indoors, expressed

43、 in dB(A) 3.2.2 package unit of boilers or combination boilers, temperature control and/or solar devices means a package offered to the end-user containing one or more boilers or combination boilers combined with one or more temperature controls and/or one or more solar devices Note 1 to entry: Defi

44、nition based on Labelling Regulation 811/2013 Article 2 - (19) and (20). 4 Performance requirements 4.1 General All the following performance tests are carried out using an oil forced draught burner in accordance with EN 267. Multi-stage or modulating burners shall operate within the output range of

45、 the boiler. If the boiler was already tested with a forced draught burner for gaseous fuels in accordance with EN 303-1:2017 and EN 303-3, the tests described in 4.2 and 4.6 need not be performed. For assembly criteria see Annex A. 4.2 Boiler efficiency 4.2.1 Air ratio for efficiency measurement Th

46、e air ratio for the efficiency measurement shall comply with the following: less than 100 kW: with the requirements of Figure 1 in the tolerance 10 % of from 100 kW up to 1 000 kW: 1,18 1,22 4.2.2 Boilers of heat output 70 kW The seasonal space heating energy efficiency shall not fall below 86 % bas

47、ed on GCV. BS EN 3032:2017EN 303-2:2017 (E) 7 4.2.3 Boilers of heat output 70 kW and 400 kW The useful efficiency at nominal heat output shall not fall below 86 % based on GCV, and the useful efficiency at 30 % of the nominal heat output shall not fall below 94 % based on GCV. 4.2.4 Boilers of heat

48、output 400 kW and 1000 kW Table 1 Efficiency requirements for boilers above 400 kW Full load efficiency (%) aPart load efficiency (%) aType of boiler NCV GCV NCV GCV Standard 89,2 84,2 87,8 82,8 Low temperature 91,4 86,2 91,4 86,2 Condensing 93,6 88,3 96,6 91,1 aThe efficiency based on GCV is equal

49、to the efficiency based on NCV divided by 1,06. 4.3 Draught requirements and gas side resistance The gas side resistance and draught shall be determined during the efficiency performance test at nominal load. For boilers which operate with negative pressure in the combustion chamber, the values of draught requirements shown in Figure 2 shall be met or the corresponding technical documentation and/or manual shall be made available. For boilers which are operated wit