1、October 2010 Translation by DIN-Sprachendienst.English price group 18No 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).IC
2、S 23.060.40!$kTd“1724965www.din.deDDIN EN 1854Pressure sensing devices for gas burners and gas burning appliancesEnglish translation of DIN EN 1854:2010-10Druckwchter fr Gasbrenner und GasgerteEnglische bersetzung von DIN EN 1854:2010-10Dispositifs de surveillance de pression pour brleurs gaz et app
3、areils gazTraduction anglaise de DIN EN 1854:2010-10SupersedesDIN EN 1854:2006-07See start of validitywww.beuth.deDocument comprises pagesIn case of doubt, the German-language original shall be considered authoritative.4709.10 DIN EN 1854:2010-10 A comma is used as the decimal marker. Start of valid
4、ity This standard takes effect on 1 October 2010. DIN EN 1854:2006-07 may be used in parallel until 2012-05-31. National foreword This standard includes safety requirements in Clauses 6 and 7. This standard has been prepared by Technical Committee CEN/TC 58 “Safety and control devices for burners an
5、d appliances burning gaseous or liquid fuels” (Secretariat: BSI, United Kingdom). The responsible German body involved in its preparation was the Normenausschuss Heiz- und Raumlufttechnik (Heating and Ventilation Technology Standards Committee), Working Committee NA 041-03-31 GA Gemein-schaftsarbeit
6、sausschuss NHRS/DKE: Elektrische Sicherheits- und Regeleinrichtungen fr wrmeerzeugende Gerte und Anlagen. This document supersedes EN 1854:2006-07. Amendments This standard differs from DIN EN 1854:2006-07 as follows: a) the scope includes a new declaration concerning the maximum inlet pressure cove
7、red by the revised standard; b) the requirements and tests for electronic pressure sensing devices (EPSDs) have been incorporated; c) the standard has been brought in line with EN 13611:2007; d) terms and definitions and normative references have been updated. Previous editions DIN EN 1854: 2006-07
8、DIN EN 1854/A1: 1999-03 DIN 3398-1: 1973-06, 1982-11, 1992-01 DIN 3398-2: 1976-02, 1982-11, 1992-01 2 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1854 May 2010 ICS 23.060.40 Supersedes EN 1854:2006English Version Pressure sensing devices for gas burners and gas burning appliances Dispositif
9、s de surveillance de pression pour brleurs gaz et appareils gaz Druckwchter fr Gasbrenner und Gasgerte This European Standard was approved by CEN on 15 April 2010. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standa
10、rd 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 Management Centre or to any CEN member. This European Standard exists in three official versions (English, French,
11、 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 Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, C
12、yprus, Czech 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. EUROPEAN COMMITTEE FOR STANDARDIZATION
13、 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1854:2010: EEN 1854:2010 (E) 2 Contents Page Foreword . 41 Sco
14、pe 52 Normative references . 53 Terms and definitions . 54 Classification . 105 Units of measurement and test conditions 116 Construction requirements 117 Performance 178 EMC/Electrical requirements . 289 Marking, installation and operating instructions . 30Annex A (informative) Gas connections in c
15、ommon use in the various countries . 33Annex B (informative) Leak-tightness test volumetric method 34Annex C (informative) Leak-tightness test pressure loss method . 35Annex D (informative) Conversion of pressure loss into leakage rate . 36Annex E (normative) Electrical/electronic component fault mo
16、des 37Annex F (normative) Additional requirements for safety accessories and pressure accessories as defined in EU Directive 97/23/EC . 38Annex G (normative) Materials for pressurized parts . 39Annex H (informative) Additional materials for pressurized parts 40Annex I (normative) Requirements for co
17、ntrols used in DC supplied gas burners and gas burning appliances 41Annex AA (informative) Manufacturers declaration for EPSDs . 42Annex ZA (informative) Clauses of this European Standard addressing requirements or provisions of EU-Directives 43Bibliography . 45Figures Figure 1 Differential PSD 6Fig
18、ure 2 Atmospheric PSD . 6Figure 3 Absolute PSD 6Figure 4 EPSD 7Figure 5 Step response of EPSD 8Figure 6 Clarification of definitions for PSD-M and PSD-S . 9DIN EN 1854:2010-10 EN 1854:2010 (E) 3 Figure 7 Clarification of definitions for EPSD 10Tables Table 1 Maximum external leakage rates for air/co
19、mbustion products 18Table 2 Number of cycles PSD-M and PSD-S . 27Table E.1 Electrical/electronic component faults modes 37Table AA.1 Sensor measurement: Pressure. 42Table ZA.1 Correspondence between this European Standard and Directive (Directive 2009/142/EC relating to appliances burning gaseous fu
20、els) 43DIN EN 1854:2010-10 EN 1854:2010 (E) 4 Foreword This document (EN 1854:2010) has been prepared by Technical Committee CEN/TC 58 “Safety and control devices for burners and appliances burning gaseous or liquid fuels”, the secretariat of which is held by BSI. This European Standard shall be giv
21、en the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2010, and conflicting national standards shall be withdrawn at the latest by May 2012. Attention is drawn to the possibility that some of the elements of this document may be
22、 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 1854:2006. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and s
23、upports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. This European Standard refers to clauses of EN 13611:2007 or adapts it by stating “with the following modification“, “with the following add
24、ition“, “is replaced by the following“ or “is not applicable“ in the corresponding clause. This European Standard adds clauses or subclauses to the structure of EN 13611:2007 which are particular to this European Standard. It should be noted that these clauses and subclauses are not indicated as an
25、addition. It should be noted that the following significant technical changes compared to the previous edition have been incorporated in this revised European Standard: a) the scope introduces a new declaration concerning the maximum inlet pressure covered by the revised standard; b) incorporation o
26、f the requirements and tests for electronic pressure sensing devices (EPSDs); c) alignment with EN 13611:2007; d) updating of definitions and normative references. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implemen
27、t this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switze
28、rland and the United Kingdom. DIN EN 1854:2010-10 EN 1854:2010 (E) 5 1 Scope This European Standard specifies the safety, construction and performance requirements for pressure sensing devices. This European Standard covers type testing only. It applies to pressure sensing devices for the measuremen
29、t of pressures of combustible gases of the first, second and third families, air, combustion products for maximum inlet pressures up to 500 kPa (5 bar). It applies to all types of pressure sensing devices, including electronic, differential and inferential types. It specifies requirements for pressu
30、re sensing devices which are intended to be applied to steam boilers and as such need to meet increased reliability requirements. These devices are classified as PSD-S in this European Standard. 2 Normative references The following referenced documents are indispensable for the application of this d
31、ocument. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 13611:2007, Safety and control devices for gas burners and gas burning appliances General requirements EN 60529:1991, Degrees of
32、 protection provided by enclosures (IP code) (IEC 60529:1989) EN 60730-2-6:2008, Automatic electrical controls for household and similar use Part 2-6: Particular requirements for automatic electrical pressure sensing controls including mechanical requirements (IEC 60730-2-6:2007, modified) EN 61058-
33、1:2002, Switches for appliances Part 1: General requirements (IEC 61058-1:2000 + A1:2001, modified) EN 175301-803, Detail Specification: Rectangular connectors Flat contacts, 0,8 mm thickness, locking screw not detachable EN ISO 75 (all parts), Plastics Determination of temperature of deflection und
34、er load IEC 60730-1:2007, Automatic electrical controls for household and similar use Part 1: General requirements 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 13611:2007 and the following apply. 3.101 pressure sensing device PSD device which sense
35、s pressure and provides a signal NOTE Different types of PSDs are given in Figures 1 to 3. DIN EN 1854:2010-10 EN 1854:2010 (E) 6 Key 1 sensing element 2 inlet 1 3 inlet 2/reference Figure 1 Differential PSD Key 1 sensing element 2 inlet 1 3 reference Figure 2 Atmospheric PSD Key 1 sensing element 2
36、 inlet 1 Figure 3 Absolute PSD 3.102 set point pressure to which the PSD is adjusted to operate 3.103 switching pressure inlet pressure at which the PSD operates 3.104 set point range declared range of adjustment of the PSD between the highest and lowest set points 3.105 upper switching pressure pre
37、ssure at which the PSD operates during an increase in pressure 3.106 lower switching pressure pressure at which the PSD operates during a decrease in pressure 3.107 electronic pressure sensing device EPSD assembly of electronic based pressure sensing element and signal conditioner NOTE Figure 4, cla
38、rifies the EPSD. DIN EN 1854:2010-10 EN 1854:2010 (E) 7 Key 1 EPSD 2 Central Unit 3 Electronic pressure sensing element 4 Signal Conditioner 5 Interface 6 Switching Figure 4 EPSD 3.108 electronic pressure sensing element part of the EPSD, which transforms the signal to be sensed (e.g. pressure) to a
39、nother physical value (e.g. force, voltage) 3.109 signal conditioner transforms the signal from the sensing element into the output signal of the EPSD NOTE The signal conditioner may consist of functional electronics as well as electronics which cause the sensor output to be classified as class B or
40、 C in accordance with EN 13611:2007. 3.110 response time time counted from start of the step change input signal (e.g. pressure) until the output signal (e.g. voltage, current) is within the settling tolerance for the first time NOTE For further information refer to Figure 5. DIN EN 1854:2010-10 EN
41、1854:2010 (E) 8 Key 1 step function (y1) 2 step response (y2) 3 overshoot value 4 settling tolerance 5 steady state value 6 response time 7settling time t time Figure 5 Step response of EPSD 3.111 step response output signal change of a device having a step change input signal 3.112 steady state val
42、ue value of the output signal after step response input remains constant 3.113 settling tolerance difference between the current output signal and its steady state value declared by the manufacturer 3.114 settling time time counted from start of the step change input signal until the output signal r
43、emains within the settling tolerance 3.115 overshoot value biggest deviation between the output signal and its steady state value after step change of the inlet signal exceeding the settling tolerance for the first time 3.116 withstand pressure pressure that is withstood without degraded characteris
44、tic after returning below the maximum inlet pressure NOTE The withstand pressure can be equal to maximum inlet pressure. 3.117 deviation difference between the declared or indicated set point and the pressure measured before the endurance test DIN EN 1854:2010-10 EN 1854:2010 (E) 9 3.118 drift diffe
45、rence between the switching pressures, or in case of EPSD the positive or negative shift of the sensor characteristic, measured before and after the endurance test NOTE For illustration refer to Figure 7. 3.119 repeatability ability of a system to provide similar output for repeated operation 3.120
46、hysteresis greatest differences between the upscale and downscale output readings or upper and lower switching pressure at one point NOTE Clarification of the hysteresis in reference to other definitions of PSDs is given in Figure 6 and 7. Key1 minimum inlet pressure 2 maximum inlet pressure 3 withs
47、tand pressure 4 set point 5 switching pressure (before endurance) 6 switching pressure (after endurance) 7 deviation 8 drift 9 hysteresis 10 lowest set point 11 highest set point 12 set point range X P-inlet/P-differential Figure 6 Clarification of definitions for PSD-M and PSD-S DIN EN 1854:2010-10
48、 EN 1854:2010 (E) 10 a) Clarifications of hysteresis, maximum inlet and withstand pressure b) Clarifications of drift, transfer ratio, linearity and offset Key 1 hysteresis 2 maximum inlet pressure 3 withstand pressure X P-inlet/P-differential Y output signal Key 1 drift 2 transfer ratio 3 linearity
49、 4 offset X pressure Y output signal Figure 7 Clarification of definitions for EPSD 3.121 transfer ratio positive or negative rotation of the sensor characteristic with the point of rotation as the intersection of the characteristic and the x-axis NOTE For illustration refer to Figure 7.3.122 linearity linearity is the worst case deviation of straightness of the actual transfer function from the ideal straight line NOTE
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