1、BRITISH STANDARDBS EN15417:2006Gas-fired central heating boilers Specific requirements for condensing boilers with a nominal heat input greater than 70 kW but not exceeding 1 000 kWThe European Standard EN 15417:2006 has the status of a British StandardICS 91.140.10g49g50g3g38g50g51g60g44g49g42g3g58
2、g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 15417:2006This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2006
3、 BSI 2006ISBN 0 580 49015 7National forewordThis British Standard is the official English language version of EN 15417:2006. The UK participation in its preparation was entrusted to Technical Committee GSE/29, Gas-fired central heating boilers, which has the responsibility to: A list of organization
4、s represented on this committee can be obtained on request to its secretary.Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence I
5、ndex”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself co
6、nfer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related international and European developments and promulgate
7、 them in the UK.Summary of pagesThis document comprises a front cover, an inside front cover, the EN title page, pages 2 to 17 and a back cover.The BSI copyright notice displayed in this document indicates when the document was last issued.Amendments issued since publicationAmd. No. Date CommentsEUR
8、OPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 15417July 2006ICS 91.140.10English VersionGas-fired central heating boilers - Specific requirements forcondensing boilers with a nominal heat input greater than 70 kWbut not exceeding 1000 kWChaudires de chauffage central utilisant les combustiblesgazeu
9、x - Exigences spcifiques aux chaudires condensation dont le dbit calorifique nominal est suprieur 70 kW mais infrieur ou gal 1000 kWHeizkessel fr gasfrmige Brennstoffe - SpezielleAnforderungen an Brennwert-Heizkessel mit einerNennwrmebelastung grer als 70 kW aber gleich oderkleiner als 1000 kWThis E
10、uropean Standard was approved by CEN on 18 May 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references conc
11、erning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own la
12、nguage and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Ma
13、lta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2006 CEN All rights of exploi
14、tation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15417:2006: EEN 15417:2006 (E) 2 Contents Page Foreword4 1 Scope 5 2 Normative references 5 3 Terms and definitions .5 4 Classification of boilers 5 4.1 Gases and categories5 4.2 Classification according to th
15、e mode of evacuation of the combustion products 5 4.3 Classification according to operating conditions6 4.3.1 Gas condensing boiler 6 4.3.2 Standard boiler.6 5 Constructional requirements6 5.1 Materials in contact with condensate6 5.2 Removal of condensate 6 5.3 Chemical composition of the condensat
16、e 6 5.4 Control of the combustion products temperature .6 6 Operational requirements .7 6.1 General7 6.2 Verification of the nominal condensing output7 6.3 Formation of condensate7 6.4 Temperature of combustion products.8 6.5 Combustion8 6.6 Useful efficiency 8 6.6.1 General8 6.6.2 Useful at the nom
17、inal heat input 8 6.6.3 Useful efficiency at part load8 7 Test methods8 7.1 General8 7.2 Verification of the nominal condensing output9 7.3 Formation of condensate9 7.4 Temperature of combustion products.9 7.5 Combustion9 7.5.1 Normal conditions .9 7.5.2 Condensate discharge blockage9 7.6 Useful eff
18、iciency . 10 7.6.1 General. 10 7.6.2 Useful efficiency at nominal heat input 10 7.6.3 Useful efficiency at part load. 10 8 Marking 10 8.1 Data plate. 10 8.2 Instructions . 10 8.2.1 Technical instructions for the installer 10 8.2.2 Use and maintenance instructions for the user 11 Annex A (normative)
19、Correction for the determined efficiency in the low water temperature test of condensing boilers 12 Annex ZA (informative) Clauses of this European standard addressing essential requirements or other provisions of EU Directives. 14 EN 15417:2006 (E) 3 Bibligraphy17 EN 15417:2006 (E) 4 Foreword This
20、document (EN 15417:2006) has been prepared by Technical Committee CEN/TC 109 “Central heating boilers using gaseous fuels“, the Secretariat of which is held by NEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement,
21、at the latest by January 2007, and conflicting national standards shall be withdrawn at the latest by January 2007. 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).
22、 For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Cz
23、ech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EN 15417:2006 (E) 5 1 Scope This document appli
24、es to gas-fired central heating boilers, which are declared by the manufacturer to be “condensing boilers“: of types C (excluding appliances without a fan) and B, using one or more gases corresponding to the three gas families, and for which the nominal heat input is greater than 70 kW but not excee
25、ding 1 000 kW. This document only covers type testing. This document completes or modifies the standards EN 656, EN 13836, and prEN 15420 hereafter called “boiler standards“. It specifies supplementary requirements for condensing boilers. 2 Normative references The following referenced documents are
26、 indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 656:1999, Gas-fired central heating boilers Type B boilers of nominal heat input exc
27、eeding 70 kW, but not exceeding 300 kW EN 13836:2006, Gas-fired central heating boilers Type B boilers of nominal heat input exceeding 300 kW, but not exceeding 1 000 kW prEN 15420:2006, Gas-fired central heating boilers Type C boilers of nominal heat input exceeding 70 kW, but not exceeding 1 000 k
28、W 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 656:1999, EN 13836:2006 and the following apply. 3.1 condensate liquid formed from the combustion products during the condensation process 4 Classification of boilers 4.1 Gases and categories Gases and
29、 categories are in accordance with those given in the “boiler standards“ 4.2 Classification according to the mode of evacuation of the combustion products The classifications according to the mode of evacuation of combustion products are in accordance with those given in the “boiler standards“. EN 1
30、5417:2006 (E) 6 4.3 Classification according to operating conditions14.3.1 Gas condensing boiler A type of boiler designed to condense permanently a large part of the water vapour contained in the combustion gases 4.3.2 Standard boiler A type of boiler for which the average water temperature can be
31、restricted by design 5 Constructional requirements 5.1 Materials in contact with condensate All parts of the heat exchanger(s) and other parts of the boiler likely to come into contact with condensate shall be constructed of sufficiently corrosion resistant materials or materials protected by a suit
32、able coating in order to ensure a reasonable life for a boiler that is installed, used and maintained in accordance with the manufacturers instructions. 5.2 Removal of condensate Condensate produced during operation of the boiler, including condensate formed in the flue and its connecting pipes, sha
33、ll be removed by means of a discharge pipe (or pipes). The internal diameter of the outside connection of the condensate discharge system shall be at least 13 mm. The disposal system, forming part of the boiler or supplied with the boiler, shall be such that: it can be easily inspected and cleaned i
34、n accordance with the manufacturers instructions; it cannot transmit combustion products into the room where the boiler is installed; this requirement is satisfied if the disposal system incorporates a water trap; a water trap has a seal of at least 25 mm at the maximum pressure in the combustion ch
35、amber at the maximum flue length specified by the manufacturer. Surfaces in contact with condensate (except purpose provided drains, water traps and siphons) shall be designed to prevent condensate retention. 5.3 Chemical composition of the condensate The manufacturer shall communicate the probable
36、chemical composition of the condensate (pH, heavy metals, etc.) if the composition is required by national regulations. 5.4 Control of the combustion products temperature If the combustion products circuit contains materials that are likely to be affected by heat or is intended to be connected to a
37、flue (including seals) that is likely to be affected by heat from the combustion products, the boiler shall incorporate a device to prevent the combustion products temperature exceeding the maximum allowable working temperature for the material as declared by the manufacturer. 1These definitions are
38、 in accordance with 92/42/EEC, however in this document, definition 4.3.2 is limited to gas boilers. EN 15417:2006 (E) 7 The device for limiting the combustion products temperature shall be non-adjustable and shall not be accessible without tools. If the flue gas system is not supplied with the boil
39、er, the device for limiting the combustion products temperature may be supplied as an option to be fitted by the installer. Instructions for mounting of the device shall be well-defined. 6 Operational requirements 6.1 General In addition to the requirements of the “boilers standards“ the following s
40、hall apply as appropriate. 6.2 Verification of the nominal condensing output If the manufacturer states the nominal condensing output it is verified under the test conditions of 7.2. 6.3 Formation of condensate When the boiler is installed in accordance with the test conditions for efficiency measur
41、ement given in 7.2, and tested in accordance with 7.3, condensate shall only form at the points intended for this purpose and shall be readily drained. The formation of condensate shall not impair the correct operation of the boiler. Condensate shall not find its way to parts of the boiler which are
42、 not intended for formation, collection and discharge of condensate, nor may the condensate cause any nuisance to the operation, the boiler and the surroundings. EN 15417:2006 (E) 8 6.4 Temperature of combustion products If the boiler incorporates a device to limit the maximum temperature of combust
43、ion products, under the conditions of 7.4, the temperature of the combustion products shall not exceed the maximum allowable working temperature for the materials of the combustion circuit and the flue materials, specified by the boiler manufacturer. Operation of the device shall cause non-volatile
44、lock-out of the boiler. 6.5 Combustion The combustion requirements are those specified in the “boiler standards“ The tests are carried out in accordance with 7.5.1. The requirements of clause 6.5.9 of EN 656:1999 or EN 13836:2006, or clause 6.5.8 of prEN 15420:2006 as appropriate, shall be met. The
45、tests are carried out in accordance with 7.5.2. 6.6 Useful efficiency 6.6.1 General Efficiency shall be determined using a reference gas of the second or third family as stated in 7.6. 6.6.2 Useful at the nominal heat input Under the test conditions specified in 7.6.2, the useful efficiency at the n
46、ominal heat input, (or the maximum and minimum heat inputs specified by the manufacturer for range rated boilers), shall be at least; Boilers 400 kW output 91+log10 Pn%; Boilers 400 kW output 93.6 % where: Pnis the nominal output expressed in kilowatts (kW). 6.6.3 Useful efficiency at part load Unde
47、r the test conditions specified in 7.6.3, the useful efficiency at 30 % of the nominal heat input shall be at least: Boilers 400 kW output 97 + log10Pn% ; Boilers 400 kW output 99.6 % where: Pnis the nominal output expressed in kilowatts (kW). 7 Test methods 7.1 General All the tests are carried out
48、 under the conditions laid down in the “boiler standards“ unless otherwise stated. EN 15417:2006 (E) 9 If the actual test conditions differ from the reference ambient conditions (20 C, 70 % relative humidity, 1 013,25 mbar) and/or the return water temperature differs from the specified value, the co
49、rrection formulae given in Annex A are used to correct the determined useful efficiency for tests of 6.2 and 6.6.3. 7.2 Verification of the nominal condensing output For boilers using 2nd family gas, whether with or without another gas family, the tests are carried out with one of the corresponding 2nd family reference gases. For boilers using only 3rd family gas, the tests are carried out with one of the corresponding 3rd family reference gases. The water rate is adjusted so as to obtain a return water temperature of (30
