BS 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 mec.pdf

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1、BRITISH STANDARDBS EN 60730-2-6:2008Automatic electrical controls for household and similar use Part 2-6: Particular requirements for automatic electrical pressure sensing controls including mechanical requirementsICS 97.120g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g4

2、8g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 60730-2-6:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2008 BSI 2008ISBN 978 0 580 54106 3Nati

3、onal forewordThis British Standard is the UK implementation of EN 60730-2-6:2008. It was derived by CENELEC from IEC 60730-2-6:2007. It supersedes BS EN 60730-2-6:1995, which will be withdrawn on 1 July 2011. The CENELEC common modifications have been implemented at the appropriate places in the tex

4、t and are indicated by tags (e.g. ).The UK participation in its preparation was entrusted to Technical Committee CPL/72, Electrical control devices for household equipment and appliances.A list of organizations represented on this committee can be obtained on request to its secretary.This publicatio

5、n does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARD EN 60730-2-6 NORME

6、 EUROPENNE EUROPISCHE NORM September 2008 CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central Secretariat: rue de Stassart 35, B - 1050 Brussels 2008 CENELEC - All rights of exploitat

7、ion in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 60730-2-6:2008 E ICS 97.120 Supersedes EN 60730-2-6:1995 + A1:1997 + A2:1998English version Automatic electrical controls for household and similar use - Part 2-6: Particular requirements for automatic electrical pr

8、essure sensing controls including mechanical requirements (IEC 60730-2-6:2007, modified) Dispositifs de commande lectrique automatiques usage domestique et analogue - Partie 2-6: Rgles particulires pour les dispositifs de commande lectrique automatiques sensibles la pression y compris les exigences

9、mcaniques (CEI 60730-2-6:2007, modifie) Automatische elektrische Regel- und Steuergerte fr den Hausgebrauch und hnliche Anwendungen - Teil 2-6: Besondere Anforderungen an automatische elektrische Druckregel- und Steuergerte einschlielich mechanischer Anforderungen (IEC 60730-2-6:2007, modifiziert) T

10、his European Standard was approved by CENELEC on 2008-07-01. CENELEC 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 r

11、eferences concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC 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 CENEL

12、EC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, I

13、celand, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Foreword The text of the International Standard IEC 60730-2-6:2007, prepared by IEC TC 72, Automatic controls for h

14、ousehold use, together with the common modifications prepared by the Technical Committee CENELEC TC 72, Automatic controls for household use, was submitted to the CENELEC formal vote and was approved by CENELEC as EN 60730-2-6 on 2008-07-01. This European Standard supersedes EN 60730-2-6:1995 (+ cor

15、r. March 2001) + A1:1997 (+ corr. March 2001) + A2:1998 (+ corr. March 2001). It incorporates amended requirements for electronic controls in Annex H. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard

16、or by endorsement (dop) 2009-07-01 latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 2011-07-01 This Part 2-6 is to be used in conjunction with EN 60730-1:2000 + A1:2004, Automatic electrical controls for household and similar use Part 1: General requirem

17、ents, and any subsequent amendments. This Part 2-6 supplements or modifies the corresponding clauses in EN 60730-1 so as to convert that publication into the European Standard: Particular requirements for automatic electrical pressure sensing controls including mechanical requirements. Where this Pa

18、rt 2-6 states “addition“, “modification“ or “replacement“, the relevant requirement, test specification or explanatory matter in Part 1 should be adapted accordingly. Where no change is necessary, this Part 2-6 indicates that the relevant clause or subclause applies. In this publication, the followi

19、ng print types are used: Requirements proper: in roman type. Test specifications: in italic type. Explanatory matter: in smaller roman type. Subclauses, notes, tables or figures which are additional to those in Part 1 are numbered starting from 101. This European Standard has been prepared under a m

20、andate given to CENELEC by the European Commission and the European Free Trade Association and covers essential requirements of EC Directive EMC (2004/108/EC). See Annex ZZ. Annex ZZ has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60730-2-6:2007 was approve

21、d by CENELEC as a European 2 BS EN 60730-2-6:2008Standard with agreed common modifications. AUTOMATIC ELECTRICAL CONTROLS FOR HOUSEHOLD AND SIMILAR USE Part 2-6: Particular requirements for automatic electrical pressure sensing controls including mechanical requirements 1 Scope and normative referen

22、ces This clause of Part 1 is applicable except as follows: 1.1 Replacement: This part of IEC 60730 applies to automatic electrical pressure sensing controls with a minimum gauge pressure rating of 60 kPa and a maximum gauge pressure rating of 4,2 MPa, for use in, on or in association with, equipment

23、 for household and similar use that may use electricity, gas, oil, solid fuel, solar thermal energy, etc. or a combination thereof, including heating, air-conditioning and similar applications. 1.1.1 Replacement: This standard applies to inherent safety, operating values, operating sequences where s

24、uch are associated with equipment protection, and to the testing of automatic electrical pressure sensing controls used in, on or in association with, household and similar equipment. Throughout this standard, the word “equipment“ means “appliance and equipment“. This standard does not apply to pres

25、sure sensing controls intended exclusively for industrial applications. This standard is also applicable to individual pressure sensing controls utilized as part of a control system or pressure sensing controls which are mechanically integral with multi-functional controls having non-electrical outp

26、uts. Automatic electrical pressure sensing controls for equipment not intended for normal household use, but which nevertheless may be used by the public, such as equipment intended to be used by laymen in shops, in light industry and on farms, are within the scope of this standard. This standard is

27、 also applicable to controls for appliances within the scope of IEC 60335-1. See also Annex J. 1.1.2 Replacement: This standard applies to automatic electrical controls, mechanically or electrically operated, responsive to or controlling a pressure or vacuum. 1.1.3 Not applicable. 3 BS EN 60730-2-6:

28、20081.1.4 Replacement: This standard applies to manual controls when such are electrically and/or mechanically integral with pressure sensing controls. Requirements for manual switches not forming part of an automatic control are contained in IEC 61058-1. Addition: 1.1.101 This standard contains req

29、uirements for electrical features of pressure sensing controls and requirements for mechanical features that affect their intended operation. NOTE Subclause 18.101, as it pertains to gas and/or oil controls, is under consideration pending review or revision by ISO/TC 109 and ISO/TC 161. 1.1.102 In g

30、eneral, these pressure sensing controls are integrated or incorporated with the equipment or are intended to be integrated in, or on the equipment. This standard also covers these controls when they are independently mounted. In-line cord controls are not covered by this standard. 1.4 Replacement: T

31、his standard applies also to pressure sensing controls incorporating electronic devices, requirements for which are contained in Annex H. This standard applies also to pressure sensing controls using NTC or PTC thermistors, requirements for which are contained in Annex J. 2 Definitions This clause o

32、f Part 1 is applicable except as follows: 2.2 Definitions of types of control according to purpose 2.2.19 Add the following explanatory note: See 2.2.102. 2.2.20 Add the following explanatory note: See 2.2.103. Additional definitions: 2.2.101 pressure limiter pressure sensing control which is intend

33、ed to keep a pressure below or above a predetermined value during normal operating conditions and which may have provision for setting by the user A pressure limiter may be of the automatic or of the manual reset type. It does not make the reverse operation during the normal duty cycle of the equipm

34、ent. 4 BS EN 60730-2-6:20082.2.102 pressure operating control pressure sensing control set at a high or low pressure, or both, between which limits the equipment is normally intended to operate 2.2.103 pressure cut-out pressure sensing control intended to keep a pressure below or above one particula

35、r value during abnormal operating conditions of the equipment and which has no provisions for setting by the user A pressure cut-out may be of the automatic or of the manual reset type. Normally a pressure cut-out will provide a Type 2 action. A pressure cut-out may have an adjustable stop intended

36、to be set by the control manufacturer, the equipment manufacturer or the installer. 2.3 Definitions relating to the function of controls Additional definitions: 2.3.101 pressure medium the medium used to transmit the pressure to the pressure sensing element Pressure medium as used in this standard r

37、efers to either gases or liquids. 2.3.102 differential pressure the difference in a pressure between any two points in a system, between two systems or between a system and a reference pressure such as atmospheric pressure An example is the difference in static pressure between the upstream side of

38、an orifice and the downstream side. 2.8 Definitions relating to component parts of controls Additional definitions: 2.8.101 vent limiting means a means which limits the flow of air from or to the atmospheric side of the diaphragm chamber 2.8.102 vent that opening from the atmospheric side of a diaph

39、ragm to the atmosphere through which air is discharged or drawn in when the control is functioning 3 General requirements This clause of Part 1 is applicable. 4 General notes on tests This clause of Part 1 is applicable except as follows: 5 BS EN 60730-2-6:20084.1 Conditions of test 4.1.7 Replacemen

40、t: The rates of pressure change declared in 7.2 and used in Clause 17 (i.e. 1, 1, 2, 2) shall have test tolerances as declared by the manufacturer. 4.3.1 Additional subclause: 4.3.1.101 The values in Annex AA apply for the testing of independently mounted pressure sensing controls in Clause 17. Valu

41、es for integrated and incorporated controls are specified in the appropriate equipment standard. 5 Rating This clause of Part 1 is applicable. 6 Classification This clause of Part 1 is applicable except as follows: 6.3.9 Additional subclause: 6.3.9.101 pressure sensing; 6.4.3 Additional subclause: 6

42、.4.3.101 For sensing actions, no increase in the operating value as a result of any leakage from the sensing element or from parts connecting the sensing element to the switch head (Type 2.N). 6.5.2 Modification: Instead of the second paragraph of the explanatory matter the following applies. Prefer

43、red degrees of protection provided by enclosures are: IP20, IP30, IP40, IP54 and IP65. Values differing from these values are allowed. 6.8.3 Replacement: For an independently mounted control or a control integrated or incorporated in an assembly utilizing a non-electrical energy source: 7 Informatio

44、n This clause of Part 1 is applicable except as follows: 6 BS EN 60730-2-6:2008Table 7.2 Information Clause or subclause Method Modification: Replace the following items by: 6 Purpose of control 2.2.101 to 2.2.103 4.3.5 6.3 D 26 Number of cycles of actuation (M) for each manual action 6.10, Annex AA

45、 X 27 Number of automatic cycles (A) for each automatic action 6.11, Annex AA X 34 Not applicable 44 Not applicable 48 Operating pressure (or pressures) 2.3.11, 15, 18 D Additional items: 101 Pressure medium 2.3.101 X 102 Operating differential 2.3.26 D 103 Maximum working pressure 2.3.29 D Addtion

46、to Note 4: For pressure sensing controls, limits of activating quantity are specified either in the applicable household appliance part 2, by the appliance manufacturer or as declared by the pressure sensing control manufacturer (see 17.7 and 17.8). 8 Protection against electric shock This clause of

47、 Part 1 is applicable. 9 Provision for protective earthing This clause of Part 1 is applicable. 10 Terminals and terminations This clause of Part 1 is applicable except as follows: 10.1 Terminals and terminations for external copper conductors Text deleted 7 BS EN 60730-2-6:200811 Constructional req

48、uirements This clause of Part 1 is applicable except as follows: 11.4 Actions Additional subclauses: 11.4.101 Type 2.N action A Type 2.N action shall be so designed that in the event of a leak in the sensing element, or in any other part between the sensing element and the switch head, the declared

49、disconnection or interruption is provided before the sum of the declared operating pressure and drift is exceeded. Compliance is checked by the following test: The operating pressure of a Type 2.N control shall be measured under the conditions of Clause 15 of Part 1. If the control has means for setting, it shall be set to the highest value. After this measurement, a hole is artificially produced in the sensing element and the measurement of the operating pressure is repeated. No positive drift is allowed beyo