BS EN 461-1999 Specification for dedicated liquefied petroluem gas appliances - Flueless non-domestic space heaters not exceeding 10 kW《专用液化石油气器具规范 不超过10KW的无烟道非家庭用对流加热器》.pdf

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1、BRITISH STANDARD BS EN 461:1999 Incorporating Amendment No. 1 Specification for dedicated liquefied petroleum gas appliances Flueless non-domestic space heaters not exceeding 10 kW The European Standard EN 461:1999, with the incorporation of amendment A1:2004, has the status of a British Standard IC

2、S 97.100.20 BS EN 461:1999 This British Standard, having been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 December 1999 BSI 21 April 2004 ISBN 0 580 30755 7 National foreword This British S

3、tandard is the English language version of EN 461:1999, including amendment A1:2004. It supersedes BS 7261:1990 which is withdrawn. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. Tags indicating changes to CEN text carry the number of the CEN ame

4、ndment. For example, text altered by CEN amendment A1 is indicated by !“. The UK participation in its preparation was entrusted by Technical Committee GSE/24, Dedicated LPG appliances, to Subcommittee GSE/24/-/1, Space heaters, which has the responsibility to: A list of organizations represented on

5、this sub committee can be obtained on request to its secretary. Cross-references The 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 Index”, or b

6、y 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 of British Standards are responsible for its correct application. Compliance with a British Standard does not o

7、f itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgat

8、e them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 66, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publicati

9、on Amd. No. Date Comments 14917 21 April 2004 See National foreword EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 461 September 1999 + A1 March 2004 ICS 91.140.20 English version Specification for dedicated liquefied petroleum gas appliances - Flueless non-domestic space heaters not exceeding

10、 10 kW (including amendment A1:2004) Spcifications pour les appareils fonctionnant exclusivement aux gaz de ptrle liqufis - Appareils de chauffage non domestiques non raccords avec un dbit calorifique ne dpassant pas 10 kW (inclut lamendement A1:2004) Festlegungen fr Flssiggasgerte - Abzuglose Gewer

11、beraumheizgerte bis zu 10 kW (enthlt nderung A1:2004) This European Standard was approved by CEN on 11 October 1998; amendment A1 was approved by CEN on 24 December 2003. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European

12、 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 Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, Fr

13、ench, 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 Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Rep

14、ublic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALI

15、SATION EUROPISCHES KOMITEE FR NORMUNG Central Secretariat: rue de Stassart, 36 B-1050 Brussels 1999 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 461:1999 + A1:2004 E Page 2 EN 461:1999 BSI 04-2004 Contents Page 1 Scope 5 2 Norma

16、tive references 6 3 Definitions 7 4 Classification 11 4.1 Classification of gases 11 4.2 Classification of appliances 12 5 Safety and constructional requirements 13 5.1 General 13 5.2 Conversion to different gases 13 5.3 Materials 13 5.4 Cleaning and maintenance 14 5.5 Strength of assembly 14 5.6 So

17、undness of the gas circuit assembly 14 5.7 Connections 15 5.8 Appliance stability, fixing and mobility devices 15 5.9 Taps and controls 16 5.10 Control handles, knobs and push buttons 17 5.11 Injectors 18 5.12 Ignition devices 18 5.13 Safety devices 18 5.14 Appliance ventilation 20 5.15 Verification

18、 of the heat inputs 21 5.16 Effect of light back 21 5.17 Temperatures of various parts of the appliance 21 5.18 Temperature of the support, walls and adjacent surfaces 22 5.19 Temperature of taps and components 22 5.20 Overheating of the LPG cylinder and, where applicable, its compartment 22 5.21 Ig

19、nition 23 5.22 Crosslighting 24 5.23 Flame stability 24 5.24 Combustion 25 5.25 Additional requirements 26 6 Test methods 29 6.1 General 29 6.2 Conversion to different gases 32 6.3 Materials 32 6.4 Cleaning and maintenance 32 6.5 Strength of assembly 32 6.6 Soundness of the gas circuit assembly 32 6

20、.7 Connections 33 6.8 Appliance stability, fixing and mobility devices 33 Page 3 EN 461:1999 BSI 04-2004 6.9 Taps and controls 35 6.10 Control handles 35 6.11 Injectors 35 6.12 Ignition devices 35 6.13 Safety devices 36 6.14 Appliance ventilation 37 6.15 Verification of the heat input 37 6.16 Effect

21、 of light back 39 6.17 Temperatures of various parts of the appliance 39 6.18 Temperatures of the support, walls and adjacent surfaces 40 6.19 Temperatures of taps and components 42 6.20 Overheating of the LPG cylinder and, where applicable, its compartment 42 6.21 Ignition 42 6.22 Crosslighting 43

22、6.23 Flame stability 45 6.24 Combustion 45 6.25 Additional requirements 48 7 Marking, instruction literature and package 50 7.1 General 50 7.2 Appliance marking 50 7.3 Instructions for use and user maintenance 51 7.4 Instructions for adjustment and installation 53 7.5 Servicing instructions 54 7.6 P

23、ackaging 54 Annex A (informative) National situations 55 Annex B (normative) Vitiation room (see Figure B.1) 61 Annex C (informative) Air supply and ventilation 63 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Directives. 64 Page

24、 4 EN 461:1999 BSI 04-2004 FOREWORD This European Standard has been prepared by Technical Committee CEN/TC 181, Dedicated liquefied petroleum gas appliances, the Secretariat of which is held by NSAI. This European Standard shall be given the status of a national standard, either by publication of an

25、 identical text or by endorsement, at the latest by March 2000, and conflicting national standards shall be withdrawn at the latest by March 2000. This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports es

26、sential requirements of EU Directive(s). For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this standard. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Europea

27、n Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. FOREWORD to amendment A1 This document (EN 461:1999/A1:2004) has been prepared by Technical

28、Committee CEN/TC 181, Dedicated liquefied petroleum gas appliances, the Secretariat of which is held by AFNOR. 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 September 2004, and conflicting natio

29、nal standards shall be withdrawn at the latest by September 2004. 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 inform

30、ative 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, Czech Republic, Denmark, Estonia, Finland, France, G

31、ermany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.Page 5 EN 461:1999 BSI 04-2004 1 Scope !This European Standard defines requirements test methods concer

32、ning, in particular, the construction, safety as well as classification and marking of non-domestic flueless space heaters (including greenhouse heaters and diffusive catalytic combustion heaters), having a nominal heat input not exceeding 10 kW (H s ) burning 3 rdfamily gases at nominal operating p

33、ressure not exceeding 50 mbar, referred to in the body of the text as “appliances”. It covers the following types of appliance: a) fixed heaters; b) portable or mobile heaters including those that incorporate a compartment for a transportable refillable liquefied petroleum gas cylinder; c) heaters i

34、ntended for use in non domestic areas; d) heaters intended solely for outdoor use. NOTE 1 LPG appliances having a nominal heat input not exceeding 4,2 kW and intended for use in domestic premises are covered by EN 449. NOTE 2 Overhead radiant heater appliances are covered by EN 416-1. There are no s

35、pecific thermal efficiency requirements appropriate to these types of appliances as: all the heat produced by the combustion process is released into the space to be heated; the requirements with regard to the combustion performance, which is a safety matter, ensure the effective burning of the fuel

36、 gas. This standard does not apply to appliances which incorporate a fan for either the assistance of combustion or the circulation of convected air. Neither does it cover appliances incorporating full sequence automatic controls. This standard does not apply to appliances for heating buildings used

37、 for animals rearing (see EN 12669). Requirements for appliances given in this standard assume that the supply of gas will be controlled by a pressure regulator giving an outlet pressure as indicated in Table A.1. Requirements for controls, given herein, relate to controls fitted as part of, or supp

38、lied with, particular appliances; they do not necessarily provide a complete specification for controls intended for general use. NOTE 3 Catalytic heaters are not considered suitable for use in areas having chemicals present which are likely to prevent the correct operation of the catalytic pad. Thi

39、s standard does not cover cylinders for liquefied petroleum gases or their associated regulators, which shall comply with national requirements in force. This European Standard only covers type testing. “ Page 6 EN 461:1999 BSI 04-2004 2 Normative references This European Standard incorporates by da

40、ted or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard

41、 only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 125 Flame supervision devices for gas burning appliances - Thermo-electric flame supervision devices EN 126 Multifunctional controls for gas-burning appliances

42、 !Text deleted “ EN 257 Mechanical thermostats for gas-burning appliances EN 437 Test gases, Test pressures, Appliance categories EN 449 Specification for dedicated liquefied petroleum gas appliances - Domestic flueless space heaters (including diffusive catalytic combustion heaters) EN 549 Rubber m

43、aterials for seals and diaphragms for gas appliances and gas equipment EN 1057 Copper and copper alloys - Seamless, round copper tubes for water and gas in sanitary and heating applications !Text deleted “ EN 50165 Electrical equipment of non-electric heating appliances for household and similar pur

44、poses - Safety requirements EN 60335-1 Safety of household and similar electrical appliances - Part 1: General requirements EN 60730-2-1 Automatic electrical controls for household and similar use - Part 2: Particular requirements for electrical control for electrical household appliances EN 60730-2

45、-9 Automatic electrical controls for household and similar use - Part 2: Particular requirements for electrical thermosensitive controls CR 1472 General guidance for the marking of gas appliances Page 7 EN 461:1999 BSI 04-2004 ISO 7-1 Pipe threads where pressure-tight joints are made on the threads

46、- Part 1: Designation, dimensions and tolerances ISO 228-1 Pipe threads where pressure-tight joints are not made on the threads - Part 1: Designation, dimensions and tolerances 3 Definitions For the purpose of this standard the following definitions apply: 3.1 atmosphere sensing device: a device tha

47、t is designed to shut off the gas supply when the carbon dioxide content of the surrounding atmosphere exceeds a given level. Such a device normally comprises a vitiation sensitive pilot in conjunction with a suitable flame supervision device 3.2 auxiliary equipment: equipment comprising: - taps and

48、 cocks; - flame supervision devices; - thermostats; - multifunctional controls; - automatic shut-off valves; - atmosphere sensing devices 3.3 burner: a component that allows the gas to burn. It may be one of two types: 3.3.1 aerated burner: a burner in which part of the air for combustion, termed “p

49、rimary air”, is mixed with gas before the burner port: the remainder of the air drawn in at the port is termed “secondary air” 3.3.2 non-aerated burner: a burner in which the air for combustion is entrained entirely at the burner outlet 3.4 gross calorific value (H s ): the quantity of heat produced by the combustion, at constant pressure, of unit volume or mass of the considered gas, the water produced by the combustion being conde

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