DIN EN 89-2015 Gas-fired storage water heaters for the production of domestic hot water German version EN 89 2015《生成家用热水的燃气蓄热热水器 德文版本EN 89-2015》.pdf

1、August 2015 Translation by DIN-Sprachendienst.English price group 35No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS

2、 91.140.65This standard has been included in the body of DVGW Technical Rules.!%E“2342925www.din.deDDIN EN 89Gas-fired storage water heaters for the production of domestic hotwater;English version EN 89:2015,English translation of DIN EN 89:2015-08Gasbeheizte Vorrats-Wasserheizer fr den sanitren Geb

3、rauch;Englische Fassung EN 89:2015,Englische bersetzung von DIN EN 89:2015-08Appareils de production deau chaude par accumulation pour usages sanitaires utilisantles combustibles gazeux;Version anglaise EN 89:2015,Traduction anglaise de DIN EN 89:2015-08SupersedesDIN EN 89:2007-06www.beuth.deDocumen

4、t comprises 161 pagesIn case of doubt, the German-language original shall be considered authoritative.08.15 DIN EN 89:2015-08 2 A comma is used as the decimal marker. Start of application The start of application of this standard is 2015-08-01. For DIN EN 89:2007-06 there is a transition period endi

5、ng on 2015-11-30. National foreword This standard includes safety requirements. This document (EN 89:2015) has been prepared by Technical Committee CEN/TC 48 “Domestic gas-fired water heaters” (Secretariat: AFNOR, France). The responsible German body involved in its preparation was the DIN-Normenaus

6、schuss Gastechnik (DIN Standards Committee Gas Technology). This standard has been included in the body of technical rules and standards for gas issued by the DVGW Deutscher Verein des Gas- und Wasserfaches e.V. (German Technical and Scientific Association for Gas and Water). Amendments This standar

7、d differs from DIN EN 89:2007-06 as follows: a) Subclause 5.5 “Supplementary requirements for condensing water heaters” has been included; b) requirements for plastic, elastomeric seals and elastomeric sealants in the combustion product evacuation ducts, terminals and fitting pieces have been added

8、(Subclauses 8.7 and 8.8); c) Annex A “National situations” has been updated; d) the standard has been aligned with DIN EN 437:2009-09; e) marking requirements have been updated while taking CEN/CR 1472 into account; f) Annex ZB “Relationship between this European Standard and the requirements of Com

9、mission Regulation (EU) No 814/2013” (Ecodesign requirements) has been added; g) Annex ZC “Relationship between this European Standard and the requirements of Commission Delegated Regulation (EU) No 812/2013” (Energy labelling requirements) has been added. Previous editions DIN 3377: 1972-08, 1980-0

10、2 DIN EN 89: 2001-02, 2007-06 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 89 May 2015 ICS 91.140.65 Supersedes EN 89:1999English Version Gas-fired storage water heaters for the production of domestic hot water Appareils de production deau chaude par accumulation pour usages sanitaires utili

11、sant les combustibles gazeux Gasbeheizte Vorrats-Wasserheizer fr den sanitren Gebrauch This European Standard was approved by CEN on 29 November 2014. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status

12、 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 Standard exists in three official versions (English, French, Germ

13、an). 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 national standards bodies of Austria, Belgium, Bulgaria, Croatia

14、, 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, Spain, Sweden, Switzerland, Turkey and Unit

15、ed Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN

16、89:2015 EEN 89:2015 (E) 2 Contents Page Foreword 7 1 Scope 8 2 Normative references 8 3 Terms and definitions 10 4 Classification of storage water heaters 23 4.1 General . 23 4.2 Classification of gases . 23 4.3 Appliance categories 23 4.4 Mode of supply of the combustion air and evacuation of the c

17、ombustion products (appliance types). 23 5 Construction requirement 23 5.1 Introduction . 23 5.2 General . 24 5.2.1 Conversion to different gases . 24 5.2.2 Materials 24 5.2.3 Design - Assembly - Strength 27 5.2.4 Accessibility - Ease of maintenance - Fitting and removal 27 5.2.5 Gas and water pipe

18、connections . 27 5.2.6 Means of achieving soundness . 28 5.2.7 Supply of combustion air and evacuation of the combustion products 29 5.2.8 Checking the state of operation 32 5.2.9 Drainage . 32 5.2.10 Electrical safety. 32 5.2.11 Operational safety in the event of failure or restoration of the auxil

19、iary energy . 34 5.2.12 Mechanical resistance and stability of ducts, terminal and fitting pieces 34 5.3 Adjusting, control and safety devices 35 5.3.1 General . 35 5.3.2 User controls . 36 5.3.3 Preset gas rate adjusters . 37 5.3.4 Gas pressure regulator 37 5.3.5 Pressure test points . 37 5.3.6 Ign

20、ition devices . 38 5.3.7 Flame supervision device 38 5.3.8 Combustion products discharge safety device . 39 5.3.9 Protection against accidental overheating 40 5.3.10 Control thermostat 40 5.3.11 Automatic shut-off valves 40 5.3.12 Combustion products temperature limiter . 41 5.3.13 Combined temperat

21、ure and pressure relief valve . 41 5.3.14 Flue damper . 41 5.4 Main burner . 42 5.5 Supplementary requirements for condensing water heaters 42 5.5.1 Materials in contact with condensate . 42 5.5.2 Discharge of condensate . 43 5.5.3 Control of the combustion products temperature 43 5.5.4 Chemical com

22、position of the condensate . 43 6 Operational requirements 43 DIN EN 89:2015-08 EN 89:2015 (E) 3 6.1 Carrying out the tests . 43 6.1.1 General . 43 6.1.2 Characteristics of the test gases . 44 6.1.3 Requirements for preparation of the test gases 44 6.1.4 Choice of test gases 44 6.1.5 Test pressures

23、. 44 6.1.6 General test conditions . 44 6.2 Soundness . 48 6.2.1 Soundness of the gas circuit . 48 6.2.2 Soundness of the combustion circuit and evacuation of the combustion products . 49 6.2.3 Hydraulic test and soundness of the water circuit 53 6.3 Heat inputs . 54 6.3.1 General . 54 6.3.2 Nominal

24、 heat input 55 6.4 Temperature of the control knobs . 56 6.4.1 Requirements . 56 6.4.2 Test . 56 6.4.3 Supplementary requirements for type B14, B2and B3water heaters . 57 6.5 Temperature of the adjusting, control and safety devices . 57 6.5.1 Requirement . 57 6.5.2 Test . 57 6.6 Limit temperature of

25、 the walls and the test panels 57 6.6.1 Side walls, front and top . 57 6.6.2 Test panels . 58 6.7 Ignition - Cross-lighting - Flame stability 59 6.7.1 Normal conditions . 59 6.7.2 Special conditions . 60 6.7.3 Reduction of supply to ignition burner . 63 6.7.4 Additional requirements relating to oper

26、ation of the permanent ignition burner when the fan is stopped 63 6.8 Temperature of combustion products in condensing appliances . 64 6.8.1 Requirements . 64 6.8.2 Tests . 64 6.9 Adjusting, control and safety devices . 64 6.9.1 General . 64 6.9.2 Ignition devices . 64 6.9.3 Opening and safety times

27、 . 66 6.9.4 Endurance of thermostats and temperature limiters . 69 6.9.5 Operation of water temperature safety devices . 70 6.9.6 Combustion products evacuation safety device for type B11BSappliances 71 6.9.7 Pressure regulator . 73 6.9.8 Flue dampers . 74 6.10 Repeated draw-off . 74 6.10.1 Requirem

28、ents . 74 6.10.2 Tests . 74 6.11 Nominal capacity . 75 6.11.1 Requirements . 75 6.11.2 Tests . 75 6.12 Combustion 75 6.12.1 Requirements . 75 6.12.2 Tests . 75 6.13 Non-condensation in the flue (type B appliances) . 79 6.13.1 Requirements . 79 6.13.2 Tests . 79 6.14 Supplementary tests for condensin

29、g water heaters 80 6.14.1 Formation of condensate 80 6.14.2 Temperature of combustion products 81 DIN EN 89:2015-08 EN 89:2015 (E) 4 6.15 Prepurging . 81 6.15.1 Requirements 81 6.15.2 Test . 82 6.16 Air monitoring device . 82 6.16.1 Type B12and B1382 6.16.2 Type C and other type B 83 6.16.3 Gas/air

30、ratio controls 84 6.17 Functioning of the fan of a type C4water heater . 85 6.17.1 Requirements 85 6.17.2 Tests . 85 6.18 Nitrogen oxides . 86 6.18.1 General . 86 6.18.2 Weighting . 87 6.19 Electrical power measurements 88 6.19.1 Nominal conditions. 88 6.19.2 Standby 88 7 Rational use of energy . 88

31、 7.1 Efficiency . 88 7.1.1 Requirements 88 7.1.2 Tests . 88 7.2 Maintenance consumption 89 7.2.1 Requirements 89 7.2.2 Tests . 90 8 Fitness for purpose 91 8.1 Heating-up time . 91 8.1.1 Requirements 91 8.1.2 Tests . 91 8.2 Mixing factor of the water temperature in the appliance 91 8.2.1 Requirements

32、 91 8.2.2 Tests . 92 8.3 Draw-off limits causing operation of the burner . 92 8.3.1 Requirements 92 8.3.2 Tests . 92 8.4 Continuous draw-off . 92 8.4.1 Requirements 92 8.4.2 Tests . 93 8.5 Requirements for the specific rate 93 8.6 Designation and measurement of reference temperatures of flue systems

33、 93 8.6.1 Nominal working combustion products temperature . 93 8.6.2 Overheat combustion products temperature 93 8.6.3 Mechanical resistance and stability of ducts, terminal and fitting pieces 93 8.7 Requirements for plastic in the combustion product evacuation ducts, terminals and fitting pieces fo

34、r appliances 95 8.7.1 Thermal resistance . 95 8.7.2 Materials 95 8.8 Requirements for elastomeric seals and elastomeric sealants in the combustion product evacuation ducts, terminals and fitting pieces 101 8.8.1 Characterization 101 8.8.2 Long-term resistance to thermal load 101 8.8.3 Long-term resi

35、stance to condensate exposure . 102 8.8.4 Cyclic condensate resistance test 103 8.8.5 Relaxation behaviour . 104 8.8.6 Compression set . 104 8.8.7 Low temperature resistance 105 8.8.8 Joints in elastomeric seals 105 DIN EN 89:2015-08 EN 89:2015 (E) 5 9 Marking and instructions 105 9.1 Appliance mark

36、ing 105 9.1.1 Data plate 105 9.1.2 Supplementary markings 106 9.1.3 Packaging . 106 9.1.4 Warnings on the appliance and packaging 107 9.1.5 Other information 107 9.1.6 Additional marking for appliances with flue dampers . 107 9.2 Instructions 107 9.2.1 Installation instructions 107 9.2.2 Instruction

37、s for use . 111 9.2.3 Conversion instructions . 112 9.3 Presentation . 112 10 Ecodesign Data 112 10.1 Water heating energy efficiency (wh) . 112 10.2 Nitrogen oxides emissions . 113 10.3 Additional product information 113 10.4 Storage volume 113 10.5 Mixed water at 40 C (V40) 113 11 Energy Labelling

38、 Data . 113 11.1 General . 113 11.2 Printed label . 113 11.2.1 General . 113 11.2.2 Annual Electricity Consumption (AEC) . 114 11.2.3 Annual Fuel Consumption (AFC) . 114 11.2.4 Sound power level (LWA) . 114 11.3 Product fiche 114 11.4 Technical documentation . 114 12 Figures referenced in this stand

39、ard 115 Annex A (informative) National situations 126 Annex B (normative) Test apparatus for type C11appliances (see 6.7.2.2.1) . 130 Annex C (normative) Test apparatus for type C21appliances (see 6.7.2.2.2.3) 135 Annex D (informative) Examples of composition of the gas circuit . 136 Annex E (normat

40、ive) Soundness test - Volumetric method . 138 Annex F (informative) Guidelines for extension to other categories. 139 Annex G (informative) Adeviations . 140 Annex H (informative) NOxconversion calculation . 141 Annex I (informative) Requirements and test methods for separate air supply and combusti

41、on products evacuation ducts of type C6water heaters. 142 Annex J (normative) Lists of materials currently used . 147 Annex K (normative) Test methods to determine the effects of to long-term thermal load, long-term condensate exposure, condensing/ non- condensing cycling and resistance to UV radiat

42、ion 149 Annex L (normative) Parts in copper or copper alloys . 150 Annex M (informative) Compilation of the test conditions for the various gas families . 151 Annex N (informative) Alternative Method for the determination of the nominal heat input or the maximum and minimum heat input (according to

43、6.3.1) for appliances using a pneumatic gas/air ratio control system 153 DIN EN 89:2015-08 EN 89:2015 (E) 6 Annex ZA (informative) Clauses of this European Standard addressing essential requirements or other provisions of UE Directives . 154 Annex ZB (informative) Relationship between this European

44、Standard and the requirements of Commission Regulation (EU) No 814/2013 157 Annex ZC (informative) Relationship between this European Standard and the requirements of Commission Delegated Regulation (EU) No 812/2013 158 Bibliography . 159 DIN EN 89:2015-08 EN 89:2015 (E) 7 Foreword This document (EN

45、 89:2015) has been prepared by Technical Committee CEN/TC 48 “Domestic gas-fired water heaters”, 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 November

46、 2015 and conflicting national standards shall be withdrawn at the latest by November 2015. Attention is drawn to the possibility that some of the elements 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 ri

47、ghts. This document supersedes EN 89:1999. 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 informative Annex ZA, Annex Z

48、B or Annex ZC, which are integral parts of this document. The present standard deals with: safety; rational use of energy; fitness for purpose. It gives specific requirements relative to: appliances with burners with a fan; combustion products discharge orifice closure devices; type C water heaters with a fan incorporated in the combustion air supply circuit or in the combustion products evacuation circuit; condensing water heaters; measurement of NOxemissions of water heaters; the metallic, plastic and other non-metallic materials t