EN 203-2-3-2014 en Gas heated catering equipment - Part 2-3 Specific requirements - Boiling pans《燃气加热的餐饮设备 第2部分 3 特殊要求 沸腾锅》.pdf

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1、BSI Standards PublicationBS EN 203-2-3:2014Gas heated catering equipmentPart 2-3: Specific requirements BoilingpansBS EN 203-2-3:2014 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 203-2-3:2014. Itsupersedes BS EN 203-2-3:2005 which is withdrawn.The UK particip

2、ation in its preparation was entrusted to TechnicalCommittee GSE/19, Catering equipment (gas).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 contract. Users are responsible

3、 for its correctapplication. The British Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 82213 1ICS 97.040.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy

4、 and Strategy Committee on 31 January 2015.Amendments issued since publicationDate Text affectedBS EN 203-2-3:2014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 203-2-3 December 2014 ICS 97.040.20 Supersedes EN 203-2-3:2005English Version Gas heated catering equipment - Part 2-3: Specific requ

5、irements - Boiling pans Appareils de cuisson professionnelle utilisant les combustibles gazeux - Partie 2-3: Exigences particulires - Marmites Grokchengerte fr gasfrmige Brennstoffe - Teil 2-3: Spezifische Anforderungen - Kochkessel This European Standard was approved by CEN on 8 November 2014. CEN

6、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 lists and bibliographical references concerning such national standards may be obtained on appli

7、cation 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 under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Man

8、agement 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latv

9、ia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, 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 Marn

10、ix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 203-2-3:2014 EBS EN 203-2-3:2014EN 203-2-3:2014 (E) 2 Contents Page Foreword 5 1 Scope 7 2 Normative references 7 3 Terms and definitions .7 3.1 Terminolog

11、y referring to gases and pressures 7 3.2 General terminology referring to appliance design .7 3.3 Terminology referring to appliance operation 7 4 Classification 8 5 Constructional requirements 8 5.1 General 8 5.1.1 Conversion to different gases 8 5.1.2 Materials and methods of construction 8 5.1.3

12、Use, cleaning and maintenance .8 5.1.4 Gas connections 8 5.1.5 Soundness 9 5.1.6 Supply of combustion air and evacuation of combustion products 9 5.1.7 Flame visibility .9 5.1.8 Electrical safety9 5.1.9 Construction requirements for gas cylinder compartment .9 5.1.101 Flexible hoses and/or rotating

13、connections .9 5.2 Particular requirements for components in the gas circuit . 10 5.2.1 General . 10 5.2.2 Gas rate control and shut-off device 10 5.2.3 Auxiliary equipment . 10 5.2.4 Burners 10 5.2.5 Gas rate adjusters. 11 5.3 Particular requirements . 11 5.3.1 Food spillage . 11 5.3.2 Stability an

14、d mechanical safety 11 5.3.3 Safety from fire risk 12 5.3.4 Appliances connected to a potable water supply . 12 5.3.101 Filling level 12 6 Performance requirements 12 6.1 Soundness . 12 6.1.1 Soundness of the gas circuit . 12 6.1.2 Soundness of combustion product circuit of type B appliances 12 6.1.

15、101 Soundness of the evacuation circuit of combustion product of tilting boiling pans (For type B appliances) 12 6.2 Obtaining the gas rate 13 6.2.1 Nominal heat input (Qn) 13 6.2.2 Full calorific rate . 13 6.2.3 Reduced heat input. 13 6.2.4 Ignition burner heat input 13 6.3 Safety of operation . 13

16、 6.3.1 Burners 13 6.3.2 Temperature limits 13 6.3.3 Ignition cross-lighting - flame stability 13 6.3.4 Combustion products safety devices for type B11BSappliances . 13 6.3.5 Pre-purge . 14 BS EN 203-2-3:2014EN 203-2-3:2014 (E) 3 6.4 Influence of burners on each other . 14 6.5 Auxiliary equipment 14

17、6.5.1 Flame shut off device 14 6.5.2 Ignition device . 14 6.6 Air proving device . 14 6.6.1 General . 14 6.6.2 Supervision of the combustion air or combustion products rate 14 6.6.3 Supervision of the combustion air pressure or combustion products pressure . 14 6.6.4 Air/gas ratio controls 14 6.7 Co

18、mbustion 14 6.7.1 All appliances (in calm air) . 14 6.7.2 Special conditions . 14 6.8 Particular requirements 14 6.8.1 Stability and mechanical safety . 14 6.8.2 Pressurized parts 14 6.9 Auxiliary energy . 15 6.9.1 General . 15 6.9.2 Electrical energy fluctuation 15 6.9.3 Other auxiliary energy. 15

19、6.10 Rational use of energy 15 6.11 Operating requirements - Temperature of the LPG cylinder and its compartment 15 6.11.1 Temperature of the walls of the compartment . 15 6.11.2 Temperature of the LPG cylinder . 15 7 Test conditions 16 7.1 General . 16 7.1.1 Characteristics of the test gases . 16 7

20、.1.2 Requirements for making up test gases . 16 7.1.3 Test room . 16 7.1.4 Preparation of the appliance 16 7.1.5 Practical method of test 16 7.1.6 Test pressures . 16 7.1.7 Carrying out the tests . 16 7.2 Soundness . 16 7.2.1 Soundness of the gas circuit . 16 7.2.2 Soundness of the combustion circui

21、t and correct evacuation of the combustion products for type B appliances 16 7.2.101 Soundness of gas circuits in appliances with flexible hoses and/or rotating connections 16 7.2.102 Soundness of the combustion products circuit for tilting pans (for type B appliances only) 17 7.3 Obtaining gas rate

22、s . 17 7.3.1 General . 17 7.3.2 Nominal heat input 17 7.3.3 Full rate . 17 7.3.4 Reduced rate 17 7.4 Operational safety . 17 7.4.1 Burners . 17 7.4.2 Temperature limits 17 7.4.3 Ignition - cross- lighting - flame stability 17 7.5 Auxiliary equipment 17 7.5.1 Flame shut off device 17 7.5.2 Ignition d

23、evice . 17 7.6 Combustion 18 7.6.1 General . 18 7.6.2 Tests carried out under normal conditions 18 7.6.3 Specific test for type B appliances 18 7.6.4 Test with sooting limit gas . 18 BS EN 203-2-3:2014EN 203-2-3:2014 (E) 4 7.7 Air-proving device 18 7.7.1 General . 18 7.7.2 Supervision of the combust

24、ion air or the combustion products rate . 18 7.7.3 Supervision of the combustion air or the combustion products pressure 18 7.8 Special tests 18 7.8.101 Stability and mechanical safety 18 7.8.1 Pressurized parts 19 7.8.2 Lack of heat bearing fluid 19 7.8.3 Stability and mechanical safety of tilting

25、parts . 19 7.9 Test method - Overheating of the LPG cylinder and its compartment . 19 7.101 Rational use of energy . 19 8 Designation . 20 9 Marking and instructions . 20 9.1 General . 20 9.2 Marking on the appliance . 20 9.2.1 Data plates and labels 20 9.2.2 Other marking on the appliance 21 9.3 In

26、structions . 21 9.3.1 General . 21 9.3.2 Instructions for use and maintenance 21 9.3.3 Instructions for installation and adjustment 21 9.3.4 Instructions for conversion to different gases 21 9.4 Packaging 21 Annex ZA (informative) Clauses of this European Standard EN 203-2-3 addressing essential req

27、uirements or other provisions of EU Directives. . 22 Bibliography . 25 BS EN 203-2-3:2014EN 203-2-3:2014 (E) 5 Foreword This document (EN 203-2-3:2014) has been prepared by Technical Committee CEN/TC 106 “Large kitchen appliances using gaseous fuels”, the secretariat of which is held by AFNOR. This

28、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 June 2015 and conflicting national standards shall be withdrawn at the latest by June 2016. Attention is drawn to the possibility that some of the elemen

29、ts of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 203-2-3:2005. The technical changes in comparison to the previous edition are: in 5.1.5.2, clarification on type A and

30、type B appliances; revision of 5.1.101 on flexibles hoses and/or rotating connections; addition of a paragraph in 5.3.1 food spillage; revision of 5.3.2.101 on tilting boiling pans; addition of motorized cover in 5.3.2.102; revision of 5.3.2.103 on boiling pans fitted with stirrers and/or mixers; ad

31、dition of a filling level in 5.3.101; revision of 6.8.2 on pressurized parts; revision of 7.2.101 on soundness of gas circuits; addition of 7.2.102 on soundness of the combustion product circuits for tilting pans; addition of burners with sequential controls in 7.6.2.101; modification of the require

32、ments for the stability and mechanical safety of tilting parts in 7.8.3. This European Standard specifies the test methods and safety and rational use of energy requirements for boiling pans. This European Standard has to be used in conjunction with EN 203-1. This document refers to Clauses of EN 20

33、3-1:2014 or adapts Clauses by stating “with the following modification”, “with the following addition”, “is replaced by the following” or “is not applicable” in the corresponding Clause. This European Standard adds Clauses or Sub-clauses to the structure of EN 203-1:2014 which are particular to this

34、 standard. Subclauses and Figures which are additional to those in EN 203-1 are numbered starting with 101. 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 rel

35、ationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. BS EN 203-2-3:2014EN 203-2-3:2014 (E) 6 According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standa

36、rd: 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, Slovakia, Slovenia, Spai

37、n, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 203-2-3:2014EN 203-2-3:2014 (E) 7 1 Scope Scope is applicable with the following addition: This European Standard specifies the test methods and requirements for the construction and operating characteristics relating to the safety, ration

38、al use of energy and marking, of commercial gas heated boiling pans. 2 Normative references Normative references are applicable with the following addition: EN 203-1:2014, Gas heated catering equipment - Part 1: General safety rules EN 1717, Protection against pollution of potable water in water ins

39、tallations and general requirements of devices to prevent pollution by backflow EN 60335-2-47, Household and similar electrical appliances - Safety - Part 2-47: Particular requirements for commercial electric boiling pans (IEC 60335-2-47) EN 61032, Protection of persons and equipment by enclosures -

40、 Probes for verification (IEC 61032) 3 Terms and definitions 3.1 Terminology referring to gases and pressures Shall be according to EN 203-1:2014, 3.1. 3.2 General terminology referring to appliance design Shall be according to EN 203-1:2014, 3.2. 3.3 Terminology referring to appliance operation Sha

41、ll be according to EN 203-1:2014, 3.3 with the following addition: 3.3.101 boiling pan appliance in which liquids contained in the kettle are heated to boiling point as part of a cooking process Note 1 to entry: The pressure within the kettle can exceed atmospheric pressure. Note 2 to entry: The ket

42、tle may be fixed or tilting and it can be fitted with a stirrer and/or mixer. 3.3.102 atmospheric boiling pan boiling pan in which the pressure within the cooking kettle does not differ significantly from atmospheric pressure 3.3.103 pressurized boiling pan boiling pan in which the pressure within t

43、he cooking area exceeds atmospheric pressure BS EN 203-2-3:2014EN 203-2-3:2014 (E) 8 3.3.104 jacketed boiling pan appliance having a double walled vessel, the space between the inner and outer walls containing a heat bearing fluid which is heated by the gas burner 3.3.105 direct fired boiling pan ap

44、pliance in which the heating of the contents of the kettle is achieved by means other than via a heat bearing fluid 3.3.106 dual purpose boiling pan appliance incorporating two vessels, the inner one being removable Note 1 to entry: The appliance may be used with or without the removable vessel. 3.3

45、.107 danger zone any zone within and/or around appliance in which a person is subject to a risk to health or safety 3.3.109 nominal volume Vnworking volume when filled to the maximum level, as stated in the product instructions 3.3.110 stirrer tool which operates with slow rotating speed (10 rpm to

46、200 rpm) 3.3.111 mixer tool which operates with high rotating speed (up to 3000 rpm) 4 Classification Shall be according to EN 2031:2014, Clause 4. 5 Constructional requirements 5.1 General 5.1.1 Conversion to different gases Shall be according to EN 2031:2014, 5.1.1. 5.1.2 Materials and methods of

47、construction Shall be according to EN 2031:2014, 5.1.2. 5.1.3 Use, cleaning and maintenance Shall be according to EN 2031:2014, 5.1.3. 5.1.4 Gas connections Shall be according to EN 2031:2014, 5.1.4. BS EN 203-2-3:2014EN 203-2-3:2014 (E) 9 5.1.5 Soundness 5.1.5.1 Soundness of the gas circuit Shall b

48、e according to EN 2031:2014, 5.1.5.1. 5.1.5.2 Soundness of the combustion products circuit Shall be according to EN 2031:2014, 5.1.5.2 with the following addition: For type A appliances a break in the soundness is acceptable if the operation of the appliance in the most unfavourable position satisfi

49、es the requirements of EN 2031:2014, 6.3.2, 6.3.3 and 6.7. For type B appliances the main burner(s) shall be shut-off at the start of the tilting of the pan, if the combustion products can escape to the atmosphere. 5.1.6 Supply of combustion air and evacuation of combustion products Shall be according to EN 203-1:2014, 5.1.6. 5.1.7 Flame visibility Shall be according to EN 203-1:2014, 5.1.7. 5.1.8 Electrical safety Shall be according to EN 203-1:2014, 5.1.8. 5.1.9 Construction requirements for gas cylinder compartment Shall be according to E