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SANS 60335-2-88-2003 Household and similar electrical appliances - Safety Part 2-88 Particular requirements for humidifiers intended for use with heating ventilation or air-conditi.pdf

1、 Collection of SANS standards in electronic format (PDF) 1. Copyright This standard is available to staff members of companies that have subscribed to the complete collection of SANS standards in accordance with a formal copyright agreement. This document may reside on a CENTRAL FILE SERVER or INTRA

2、NET SYSTEM only. Unless specific permission has been granted, this document MAY NOT be sent or given to staff members from other companies or organizations. Doing so would constitute a VIOLATION of SABS copyright rules. 2. Indemnity The South African Bureau of Standards accepts no liability for any

3、damage whatsoever than may result from the use of this material or the information contain therein, irrespective of the cause and quantum thereof. ICS 91.140.30; 97.030 ISBN 0-626-14574-0 SANS 60335-2-88:2003 Edition 2 IEC 60335-2-88:2002 Edition 2 SOUTH AFRICAN NATIONAL STANDARD Household and simil

4、ar electrical appliances Safety Part 2-88: Particular requirements for humidifiers intended for use with heating, ventilation, or air-conditioning systems This national standard is the identical implementation of IEC 60335-2-88:2002 and is adopted with the permission of the International Electrotech

5、nical Commission. Published by Standards South Africa 1 dr lategan road groenkloof private bag x191 pretoria 0001 tel: 012 428 7911 fax: 012 344 1568 international code + 27 12 www.stansa.co.za Standards South Africa 2003 SANS 60335-2-88:2003 Edition 2 IEC 60335-2-88:2002 Edition 2 Table of changes

6、Change No. Date Scope National foreword This South African standard was approved by National Committee STANSA TC 72, Safety of electrical appliances and electronic equipment, in accordance with procedures of Standards South Africa, in compliance with annex 3 of the WTO/TBT agreement. This edition ca

7、ncels and replaces the first edition (SABS IEC 60335-2-88:1997). INTERNATIONALSTANDARDIEC60335-2-88Second edition2002-10Household and similar electrical appliances Safety Part 2-88:Particular requirements for humidifiers intendedfor use with heating, ventilation, or air-conditioning systemsAppareils

8、 lectrodomestiques et analogues Scurit Partie 2-88:Rgles particulires pour les humidificateurs destins tre utiliss avec des appareils de chauffage,de ventilation ou de conditionnement dair IEC 2002 Copyright - all rights reservedNo part of this publication may be reproduced or utilized in any form o

9、r by any means, electronic ormechanical, including photocopying and microfilm, without permission in writing from the publisher.International Electrotechnical Commission, 3, rue de Varemb, PO Box 131, CH-1211 Geneva 20, SwitzerlandTelephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmaili

10、ec.ch Web: www.iec.chJFor price, see current cataloguePRICE CODECommission Electrotechnique InternationaleInternational Electrotechnical Commission 2 60335-2-88 IEC:2002(E)CONTENTSFOREWORD 4INTRODUCTION 61 Scope 72 Normative references. 73 Definitions . 84 General requirement 85 General conditions f

11、or the tests . 86 Classification . 87 Marking and instructions 88 Protection against access to live parts . 99 Starting of motor-operated appliances . 910 Power input and current1011 Heating.1012 Void 1013 Leakage current and electric strength at operating temperature 1014 Transient overvoltages1015

12、 Moisture resistance.1016 Leakage current and electric strength .1117 Overload protection of transformers and associated circuits1118 Endurance 1119 Abnormal operation.1120 Stability and mechanical hazards1121 Mechanical strength1122 Construction .1223 Internal wiring.1324 Components .1325 Supply co

13、nnection and external flexible cords.1326 Terminals for external conductors .1327 Provision for earthing1428 Screws and connections .1429 Clearances, creepage distances and solid insulation 1430 Resistance to heat and fire .1431 Resistance to rusting 1432 Radiation, toxicity and similar hazards 14An

14、nexes15Annex AA (normative) Gaskets15Annex BB (normative) Test for liquid-containers17Bibliography1860335-2-88 IEC:2002(E) 3 Table AA.1 Physical properties of gasket materials 15Table AA.2 Accelerated aging conditions .16Table BB.1 Oven conditioning temperatures.17 4 60335-2-88 IEC:2002(E)INTERNATIO

15、NAL ELECTROTECHNICAL COMMISSION_HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES SAFETY Part 2-88: Particular requirements for humidifiers intended for usewith heating, ventilation, or air-conditioning systemsFOREWORD1) The IEC (International Electrotechnical Commission) is a worldwide organization for s

16、tandardization comprisingall national electrotechnical committees (IEC National Committees). The object of the IEC is to promoteinternational co-operation on all questions concerning standardization in the electrical and electronic fields. Tothis end and in addition to other activities, the IEC publ

17、ishes International Standards. Their preparation isentrusted to technical committees; any IEC National Committee interested in the subject dealt with mayparticipate in this preparatory work. International, governmental and non-governmental organizations liaisingwith the IEC also participate in this

18、preparation. The IEC collaborates closely with the InternationalOrganization for Standardization (ISO) in accordance with conditions determined by agreement between thetwo organizations.2) The formal decisions or agreements of the IEC on technical matters express, as nearly as possible, aninternatio

19、nal consensus of opinion on the relevant subjects since each technical committee has representationfrom all interested National Committees.3) The documents produced have the form of recommendations for international use and are published in the formof standards, technical specifications, technical r

20、eports or guides and they are accepted by the NationalCommittees in that sense.4) In order to promote international unification, IEC National Committees undertake to apply IEC InternationalStandards transparently to the maximum extent possible in their national and regional standards. Anydivergence

21、between the IEC Standard and the corresponding national or regional standard shall be clearlyindicated in the latter.5) The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for anyequipment declared to be in conformity with one of its standards.6) Attenti

22、on is drawn to the possibility that some of the elements of this International Standard may be the subjectof patent rights. The IEC shall not be held responsible for identifying any or all such patent rights.This part of International Standard IEC 60335 has been prepared by subcommittee 61D:Applianc

23、es for air-conditioning for household and similar purposes, of IEC technicalcommittee 61: Safety of household and similar electrical appliances.This second edition cancels and replaces the first edition published in 1997. It constitutes atechnical revision.The text of this part of IEC 60335 is based

24、 on the following documents:FDIS Report on voting61D/117/FDIS 61D/122/RVDFull information on the voting for the approval of this standard can be found in the report onvoting indicated in the above table.This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and itsamendments

25、. It was established on the basis of the fourth edition (2001) of that standard.NOTE 1 When “Part 1” is mentioned in this standard, it refers to IEC 60335-1.This part 2 supplements or modifies the corresponding clauses in IEC 60335-1, so as toconvert that publication into the IEC standard: Safety re

26、quirements for electric humidifiersintended for use with heating, ventilation, or air-conditioning systems.60335-2-88 IEC:2002(E) 5 When a particular subclause of Part 1 is not mentioned in this part 2, that subclause appliesas far as is reasonable. When this standard states “addition“, “modificatio

27、n“ or “replacement“,the relevant text in Part 1 is to be adapted accordingly.NOTE 2 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 n

28、umbered starting from 101, includingthose in a replaced clause or subclause; additional annexes are lettered AA, BB, etc.NOTE 3 The following print types are used: requirements: in roman type; test specifications: in italic type; notes: in small roman type.Words in bold in the text are defined in Cl

29、ause 3. When a definition concerns an adjective, the adjective andassociated noun are also in bold.The committee has decided that the contents of this publication will remain unchanged until2004. At this date, the publication will be reconfirmed; withdrawn; replaced by a revised edition, or amended.

30、The following differences exist in the countries indicated below. 6.1: class 01 appliances are allowed (Japan). 6.1: class 0 and 01 appliances are allowed (South Africa, Poland).A bilingual version of this publication may be issued at a later date. 6 60335-2-88 IEC:2002(E)INTRODUCTIONIt has been ass

31、umed in the drafting of this International Standard that the execution of itsprovisions is entrusted to appropriately qualified and experienced persons.This standard recognizes the internationally accepted level of protection against hazards suchas electrical, mechanical, thermal, fire and radiation

32、 of appliances when operated as innormal use taking into account the manufacturers instructions. It also covers abnormalsituations that can be expected in practice.This standard takes into account the requirements of IEC 60364 as far as possible so thatthere is compatibility with the wiring rules wh

33、en the appliance is connected to the supplymains. However, national wiring rules may differ.If an appliance within the scope of this standard also incorporates functions that are coveredby another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, asfar as is reasonable

34、. If applicable, the influence of one function on the other is taken intoaccount.This standard is a product family standard dealing with the safety of appliances and takesprecedence over horizontal and generic standards covering the same subject.An appliance that complies with the text of this stand

35、ard will not necessarily be considered tocomply with the safety principles of the standard if, when examined and tested, it is found tohave other features that impair the level of safety covered by these requirements.An appliance employing materials or having forms of construction differing from tho

36、se detailedin the requirements of this standard may be examined and tested according to the intent ofthe requirements and, if found to be substantially equivalent, may be considered to complywith the standard.60335-2-88 IEC:2002(E) 7 HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES SAFTEY Part 2-88: Part

37、icular requirements for humidifiers intended for usewith heating, ventilation, or air-conditioning systems1 ScopeThis clause of Part 1 is replaced by the following.This International Standard deals with the safety of electric humidifiers intended for use withheating, ventilation, or air-conditioning

38、 systems in household, commercial, and light industrialapplications (and may include large stand-alone commercial equipment) which operateaccording to the evaporative or atomization system, water-injection, steam and the like, theirmaximum rated voltage being not more than 250 V for single-phase app

39、liances and 600 V forall other appliances.NOTE 101 Air-conditioning equipment to be used in conjunction with the humidifiers covered by this standardare covered in IEC 60335-2-40.As far as is practicable, this standard deals with the common hazards presented byappliances that are encountered by all

40、persons in and around the home. However, in general,it does not take into account the use of appliances by young children or infirm persons without supervision; playing with the appliance by young children.NOTE 102 Attention is drawn to the fact that for appliances intended to be used in vehicles or

41、 on board ships or aircraft, additional requirements may benecessary; in many countries, additional requirements are specified by national health authorities, national authoritiesresponsible for the protection of labour and similar authorities.NOTE 103 This standard does not apply to humidifiers wit

42、hout room heating, ventilation or air-conditioning equipment intended exclusively for householduse (IEC 60335-2-98); appliances designed exclusively for industrial processing; appliances intended to be used in locations where special conditions prevail, such as the presence of acorrosive or explosiv

43、e atmosphere (dust, vapour or gas); humidifiers intended for medical purposes (see IEC 60601).2 Normative referencesThis clause of Part 1 is applicable except as follows.Addition:IEC 60068-2-52:1996, Environmental testing Part 2: Tests Test Kb: Salt mist, cyclic(sodium chloride solution) 8 60335-2-8

44、8 IEC:2002(E)3 DefinitionsThis clause of Part 1 is applicable except as follows.3.1.9 Replacement:normal operationconditions that apply when the appliance is mounted as in normal use and is operating underthe most severe environmental operating conditions specified by the manufacturer3.101humidifier

45、sappliances which are intended to increase air humidity3.102appliances accessible to the general publicappliances intended to be located in residential buildings, or in commercial buildings3.103appliances not accessible to the general publicappliances which are intended to be maintained by qualified

46、 service personnel and locatedeither in machine rooms and the like or at a level not less than 2,5 m or in secured rooftopareas4 General requirementThis clause of Part 1 is applicable.5 General conditions for the testsThis clause of Part 1 is applicable.6 ClassificationThis clause of Part 1 is appli

47、cable except as follows.6.1 Replacement:Appliances shall be class I, II or III with respect to protection against electrical shock.Compliance is checked by inspection and by the relevant additional tests.6.101 Appliances shall be classified according to the accessibility as defined in 3.102 and3.103

48、Compliance is checked by inspection and the relevant tests.7 Marking and instructionsThis clause of Part 1 is applicable except as follows.60335-2-88 IEC:2002(E) 9 7.1 Addition:For humidifiers connected to the water supply:permissible maximum pressure (in pascals) of the water supply system.Humidifi

49、ers generating water or steam with a temperature exceeding 60 C shall be markedwith the following:WARNING: Danger of hot water. Drain water before servicing.7.12 Addition:For appliances accessible to the general public the classification according to 6.101 shallbe included.7.12.1 Addition:In particular, the following information shall be supplied: that the appliance shall be installed in accordance with national wiring regulations; the dimen

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