BS EN 50570-2013 Household and similar electrical appliances Safety Particular requirements for commercial electric tumble dryers《家用和类似用途电器 安全性 商用电烘干机的特殊要求》.pdf

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1、BSI Standards PublicationBS EN 50570:2013Household and similarelectrical appliances Safety Particular requirements for commercial electric tumble dryersBS EN 50570:2013 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 50570:2013. The UK participation in its prepa

2、ration was entrusted to TechnicalCommittee CPL/61, Safety of household and similar electrical appliances.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users ar

3、e responsible for its correct application. The British Standards Institution 2013.Published by BSI Standards Limited 2013ISBN 978 0 580 75928 4ICS 97.060Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Sta

4、ndards Policy and Strategy Committee on 30 November 2013.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 50570:2013EUROPEAN STANDARD EN 50570 NORME EUROPENNE EUROPISCHE NORM November 2013 CENELEC European Committee for Electrotechnical Standardization Comit Europen de

5、 Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B - 1000 Brussels 2013 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members. Ref. No. EN 50570:2013 E ICS 97.060 Engli

6、sh version Household and similar electrical appliances - Safety - Particular requirements for commercial electric tumble dryers Appareils lectrodomestiques et analogues - Scurit - Rgles particulires pour les sche-linge tambour usage collectif Sicherheit elektrischer Gerte fr den Hausgebrauch und hnl

7、iche Zwecke - Besondere Anforderungen fr elektrische Trommeltrockner fr den gewerblichen Gebrauch This European Standard was approved by CENELEC on 2013-06-10. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standa

8、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-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (Engl

9、ish, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees of

10、 Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,

11、 Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 50570:2013EN 50570:2013 2 Contents Foreword . 4 Introduction . 5 1 Scope 6 2 Normative references 6 3 Terms and definitions . 7 4 General requirement . 8 5 General conditions for the tests 8 6 Classification . 8 7 Marking and instruct

12、ions 8 8 Protection against access to live parts . 12 9 Starting of motor-operated appliances . 12 10 Power input and current . 12 11 Heating 12 12 Void . 13 13 Leakage current and electric strength at operating temperature . 13 14 Transient overvoltages . 13 15 Moisture resistance . 13 16 Leakage c

13、urrent and electric strength 14 17 Overload protection of transformers and associated circuits 14 18 Endurance 14 19 Abnormal operation . 15 20 Stability and mechanical hazards 16 21 Mechanical strength 17 22 Construction . 18 23 Internal wiring 20 24 Components . 20 25 Supply connection and externa

14、l flexible cords 20 26 Terminals for external conductors. 20 27 Provision for earthing . 20 28 Screws and connections . 21 29 Clearances, creepage distances and solid insulation . 21 30 Resistance to heat and fire . 21 31 Resistance to rusting 21 32 Radiation, toxicity and similar hazards . 21 Annex

15、 AA (normative) Rinsing agent . 23 Annex BB (normative) Appliances that use a refrigerating system incorporating sealed motor-compressors for carrying out the drying process 24 Annex CC (normative) Non-sparking “n” electrical apparatus 31 Annex DD (normative) Emission of acoustical noise 32 Annex ZE

16、 (informative) Specific additional requirements for appliances and machines intended for commercial use . 34 BS EN 50570:2013BS EN 50570:2013 3 EN 50570:2013 Annex ZZ (informative) Coverage of Essential Requirements of EU Directives. 35 Bibliography 36 Figures Figure 101 Probe for measuring surface

17、temperatures . 22 Figure 201 Symbol: Caution: Risk of fire. 26 Tables Table 3 Maximum normal temperature rises 13 Table AA.1 Rinsing agent 23 Table 201 Maximum temperatures for motor-compressors 26 Table 202 Refrigerant flammability parameters 29 BS EN 50570:2013BS EN 50570:2013EN 50570:2013 4 Forew

18、ord This document (EN 50570:2013) has been prepared by CLC/TC 61, “Safety of household and similar electrical appliances“. The following dates are fixed: latest date by which this document has to be implemented at national level by publication of an identical national standard or by endorsement (dop

19、) 2014-06-10 latest date by which the national standards conflicting with this document have to be withdrawn (dow) 2016-06-10 EN 50570:2013 is to be read in conjunction with EN 60335-1:2012 and its amendments, which is referred to in this text as “Part 1”. This standard supplements or modifies the c

20、orresponding clauses of Part 1 as indicated in the text. NOTE The following numbering system is used: subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1; unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from

21、101, including those in a replaced clause or subclause; additional annexes are lettered AA, BB, etc. This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For the re

22、lationship with EU Directive(s) see informative Annex ZZ, which is an integral part of this document. _ BS EN 50570:2013BS EN 50570:2013 5 EN 50570:2013 Introduction This European Standard has been prepared to provide a means of conforming to essential safety requirements of the Machinery Directive

23、2006/42/EC. Other requirements and other EU Directives may be applicable to the machines within the scope of this standard. This standard is a product family standard dealing with the safety of commercial electric tumble dryers and takes precedence over horizontal and generic standards covering the

24、same subject. This standard recognises the level of protection against hazards such as electrical, mechanical, thermal, fire and radiation of commercial electric tumble dryers when operated as in normal use taking into account the manufacturers instructions. It also covers any reasonably foreseeable

25、 misuse of the machinery and takes into account the way in which electromagnetic phenomena can affect the safe operation of commercial electric tumble dryers. A commercial electric tumble dryer that complies with the text of this standard will not necessarily be considered to comply with the safety

26、principles of the standard if, when examined and tested, it is found to have other features that impair the level of safety covered by these requirements. This standard takes into account the requirements of HD 60364-1 as far as possible so that there is compatibility with the wiring rules when the

27、machinery is connected to the supply mains. However, national wiring rules may differ. BS EN 50570:2013BS EN 50570:2013EN 50570:2013 6 1 Scope Replace this clause of Part 1 by the following: This European Standard deals with the safety of electrical operated tumble dryers intended to be used by trai

28、ned users in i.e. hotels, hospitals, factories, in light industry and on farms. It also covers tumble dryers which are declared for commercial use in public areas and operated by lay persons e.g. in laundrettes, communal laundry rooms. The rated voltage shall not be more than 250 V for single phase

29、and 480 V for others. This standard also deals with the safety of tumble dryers that use a refrigerating system, incorporating sealed motor-compressors, for drying textile material. These machines may use flammable refrigerants. Additional requirements for these machines are given in Annex BB. This

30、standard also covers tumble dryers making use of other energy sources. It does not cover requirements for these other energy sources. However the influence of these other energy sources on the machines is covered. This standard deals with the common hazards presented by tumble dryers that are encoun

31、tered by all persons. However, in general, it does not take into account: a) persons (including children) whose: 1) physical, sensory or mental capabilities, or 2) lack of experience and knowledge prevents them from using the tumble dryers safely without supervision or instruction; b) children playi

32、ng with the tumble dryer. Attention is drawn to the fact that: for commercial electric tumble dryers intended to be used in vehicles or on board ships or aircraft, additional requirements may be necessary; in many countries, additional requirements are specified by the national health authorities, t

33、he national authorities responsible for the protection of labour, the national water supply authorities, the national authorities responsible for transportation and the national authorities for buildings. This European Standard does not apply to: c) industrial laundry machinery (EN ISO 10472-4), d)

34、tumble dryers intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour or gas). For the purpose of this standard, the term “appliance” as used in Part 1 is to be read as “tumble dryers intended for commercial use”. 2

35、 Normative references This clause of Part 1 is applicable except as follows. Addition: EN 60204-1:2006/A1:2009, Safety of machinery Electrical equipment of machines Part 1: General requirements (IEC 60204-1:2005/A1:2008) EN 60335-1:2012, Household and similar electrical appliances Safety Part 1: Gen

36、eral requirements (IEC 60335-1:2010, modified) EN 60704-1:2010, Household and similar electrical appliances Test code for the determination of airborne acoustical noise Part 1: General requirements (IEC 60704-1:2010) EN 60730-2-12:2006, Automatic electrical controls for household and similar use Par

37、t 2-12: Particular requirements for electrically operated door locks (IEC 60730-2-12:2005, modified) EN ISO 3744, Acoustics Determination of sound power levels and sound energy levels of noise sources BS EN 50570:2013BS EN 50570:2013 7 EN 50570:2013 using sound pressure Engineering methods for an es

38、sentially free field over a reflecting plane (ISO 3744) EN ISO 3746, Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746) EN ISO 4871, Acoustics Declaration

39、 and verification of noise emission values of machinery and equipment (ISO 4871) EN ISO 9614-2:1996, Acoustics Determination of sound power levels of noise sources using sound intensity Part 2: Measurement by scanning (ISO 9614-2:1996) EN ISO 11201, Acoustics Noise emitted by machinery and equipment

40、 Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections (ISO 11201) EN ISO 11203, Acoustics Noise emitted by machinery and equipment Determination of emission so

41、und pressure levels at a work station and at other specified positions from the sound power level (ISO 11203) EN ISO 11688-1, Acoustics Recommended practice for the design of low-noise machinery and equipment Part 1: Planning (ISO/TR 11688-1) Replace the reference to EN 62233 by: EN 62233:2008, Meas

42、urement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure (IEC 62233:2005, modified) 3 Terms and definitions This clause of Part 1 is applicable except as follows: 3.1.9 normal operation Addition: The appliance is filled with textile mater

43、ial having a mass in the dry condition equal to the maximum load stated in the instructions. The textile material consists of pre-washed double-hemmed cotton sheets having dimensions approximately 70 cm 70 cm and a specific mass between 140 g/m2and 175 g/m2in the dry condition. The textile material

44、is soaked with water having a temperature of 25 C 5 C and a mass equal to that of the textile material. If the drying function can automatically follow the washing function in a washing machine, the appliance is not separately loaded. The appliance is operated with the maximum quantity of textile ma

45、terial stated in the instructions for the combined washing-drying cycle. Cotton having a water content not exceeding 10 % is considered to be in the dry condition. Cotton conditioned for 24 h in still air, having a temperature of 20 C 2 C, a relative humidity between 60 % and 70 % and a pressure bet

46、ween 860 mbar and 1 060 mbar, will contain approximately 7 % water. Addition: 3.1.101 tumble dryer appliance in which textile material is dried by tumbling in a rotating drum through which heated air is blown 3.1.102 condensation-type tumble dryer appliance in which the air used for the drying proce

47、ss is dehumidified by cooling 3.1.103 guard part of the appliance specifically designed to provide protection by means of a physical barrier BS EN 50570:2013BS EN 50570:2013EN 50570:2013 8 3.1.104 operator person or persons installing, operating, adjusting, maintaining, cleaning, repairing or moving

48、 appliances 3.1.105 workstation place, as defined in the instructions of the relevant appliance, where the operator has to be in attendance to operate, or to adjust, or to control the appliance Note 1 to entry: Example is the location where the operator loads the appliance. 3.1.106 public areas area

49、 in which the general public including children can enter Note 1 to entry: Examples are laundrettes, communal laundry rooms. 3.1.107 cool down period final part of the tumble dryer cycle where the drum is continuously rotated with reduced power to the heating element and with air circulation in order to reduce the possibility of spontaneous combustion of the clothes load Note 1 to entry: Continuous rotation does not mean rotation in same direction if the i

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