1、Safety of Household and Similar Electrical Appliances Part 2-40: Particular Requirements for Electrical Heat Pumps, Air-Conditioners and DehumidifiersCAN/CSA-C22.2 No. 60335-2-40-12(IEC 60335-2-40:2002+A1:2005+A2:2005, MOD)National Standard of CanadaNOT FOR RESALE. / PUBLICATION NON DESTINE LA REVEN
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17、 Underwriters Laboratories Inc.ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standardshould be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regardingthose Standards shall remain the sole and exclusive property of UL.
18、This ANSI/UL Standard for Safety consists of the First Edition including revisions through May 15,2017. The most recent designation of ANSI/UL 60335-2-40 as an American National Standard (ANSI)occurred on May 15, 2017. ANSI approval for a standard does not include the Cover Page, TransmittalPages, T
19、itle Page (front and back), or the Preface. The National Difference Page and IEC Forewordare also excluded from the ANSI approval of IEC-based standards.Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time.Proposals should be submitted via a Proposal Req
20、uest in ULs On-Line Collaborative StandardsDevelopment System (CSDS) at https:/.To purchase UL Standards, visit ULs Standards Sales Site at http:/ or call toll-free 1-888-853-3503.PrefaceThis is the harmonized CSA Group and UL standard for safety of household and similar electricalappliances, partic
21、ular requirements for electrical heat pumps, air-conditioners and dehumidifiers. It is thefirst edition of CAN/CSA-C22.2 No. 60335-2-40 and the first edition of UL 60335-2-40. This edition ofCAN/CSA-C22.2 No. 60335-2-40 replaces the previous edition published in 2001 asCAN/CSA-E60335-2-40. This Stan
22、dard is based on the Standard for Safety of Household and SimilarAppliances, Part 2-40: Particular Requirements for Electrical Heat Pumps, Air-Conditioners andDehumidifiers, IEC Publication 60335-2-40, edition 4.2.In Canada, for general information on the Standards of the Canadian Electrical Code, P
23、art II, see thepreface of CAN/CSA-C22.2 No. 0.This harmonized standard was prepared by CSA Group and Underwriters Laboratories Inc. (UL). Theefforts and support of Industry Associations Heating, Refrigeration and Air Conditioning Institute ofCanada (HRAI), the Air-Conditioning, Heating, and Refriger
24、ation Institute (AHRI), and the Association ofHome Appliance Manufacturers (AHAM), and of the Technical Harmonization Sub-Committee (THSC61D TC1) of the Council on the Harmonization of Electrotechnical Standards of the Nations of theAmericas (CANENA), are gratefully acknowledged.This Standard is con
25、sidered suitable for use for conformity assessment within the stated scope of theStandard.This standard was reviewed by the CSA Subcommittee on Appliances for Air-Conditioning for Householdand Similar Purposes, under the jurisdiction of the CSA Technical Committee on Consumer andCommercial Products
26、and the CSA Strategic Steering Committee on Requirements for Electrical Safety,and has been formally approved by the CSA Technical Committee. This standard was reviewed by ULsStandards Technical Panel (STP) for Heating and Cooling Equipment, STP 1995.This standard has been approved by the Standards
27、Council of Canada (SCC) as a National Standard ofCanada.This standard has been approved by the American National Standards Institute (ANSI) as an AmericanNational Standard.A UL standard is current only if it incorporates the most recently adopted revisions, all of which areitemized on the transmitta
28、l notice that accompanies the latest set of revised requirements.Where reference is made to a specific number of specimens to be tested, the specified number is to beconsidered a minimum quantity.Note: Although the intended primary application of this standard is stated in its scope, it is important
29、 to note thatit remains the responsibility of the users of the standard to judge its suitability for their particular purpose.Compliance with the Standard for Household and Similar Electrical Appliances, Part 2: ParticularRequirements for Heating and Cooling Equipment UL 60335-2-40 fulfills the requ
30、irements in the Standardfor Heating and Cooling Equipment, UL 1995, the Standard for Dehumidifiers, UL 474, or the Standard forRoom Air Conditioners, UL 484.MAY 15, 2017 CAN/CSA-C22.2 NO. 60335-2-40-12 UL 60335-2-40 7Level of harmonizationThis standard adopts the IEC text with national differences.
31、This standard is published as an equivalentstandard for CSA Group and UL. An equivalent standard is a standard that is substantially the same intechnical content, except as follows: Technical national differences are allowed for codes andgovernmental regulations as well as those recognized as being
32、in accordance with NAFTA Article 905, forexample, because of fundamental climatic, geographical, technological, or infrastructural factors, scientificjustification, or the level of protection that the country considers appropriate. Presentation is word for wordexcept for editorial changes.All nation
33、al differences from the IEC text are included in the CSA Group and UL versions of the standard.While the technical content is the same in each organizations version, the format and presentation maydiffer.It is the intent and objective of the US and Canadian SDOs and associated Industries to avoid th
34、e use ofsingle country deviations to the greatest extent possible and practical. Single country deviations shouldonly be used as a last resort when all other options have been explored. Further this includes acommitment to review and reconsider any and all single country revisions at each revision c
35、ycle with theintent of finding solutions to remove the single county deviation in the spirit of tri-national harmonization.A list of work item requests will be recorded between revision cycles and by default removal of all singlecountry deviations will be on the list for the next revision cycle.Reas
36、ons for differences from IECThis standard provides requirements for electrical heat pumps, air-conditioners and dehumidifiers for usein accordance with the electrical installation codes of Canada and the United States.National Differences from the IEC are being added in order to address regulatory a
37、nd safety situationspresent in Canada and the US.InterpretationsThe interpretation by the standards development organization of an identical or equivalent standard isbased on the literal text to determine compliance with the standard in accordance with the proceduralrules of the standards developmen
38、t organization. If more than one interpretation of the literal text has beenidentified, a revision is to be proposed as soon as possible to each of the standards developmentorganizations to more accurately reflect the intent.IEC CopyrightFor CSA Group, the text, figures, and tables of International
39、Electrotechnical Commission Publication60335-2-40, Standard for Safety of Household and Similar Electrical Appliances, Part 2-40: ParticularRequirements for Electrical Heat Pumps, Air-Conditioners and Dehumidifiers, edition 4.2, copyright 2005,are used in this standard with the consent of the Intern
40、ational Electrotechnical Commission. The IECForeword and Introduction are not a part of the requirements of this standard but are included forinformation purposes only.For UL, the text, figures and tables of International Electrotechnical Commission Publication 60335-2-40,Standard for Safety of Hous
41、ehold and Similar Electrical Appliances, Part 2-40: Particular Requirementsfor Electrical Heat Pumps, Air-Conditioners and Dehumidifiers, edition 4.2, copyright 2005, are used in thisStandard with the consent of the IEC and the American National Standards Institute (ANSI). The IECcopyrighted materia
42、l has been reproduced with permission from ANSI. ANSI should be contactedregarding the reproduction of any portion of the IEC material. The IEC Foreword and Introduction are notMAY 15, 2017CAN/CSA-C22.2 NO. 60335-2-40-12 UL 60335-2-408a part of the requirements of this Standard but are included for
43、information purposes only. Copies of IECPublication 60335-2-40 may be purchased from ANSI, 25 West 43rd Street, 4th Floor, New York, NewYork, 10036, (212) 642-4900.MAY 15, 2017 CAN/CSA-C22.2 NO. 60335-2-40-12 UL 60335-2-40 9NATIONAL DIFFERENCESGENERALNational Differences from the text of Internation
44、al Electrotechnical Commission (IEC) Publication60335-2-40, Household and similar electrical appliances Safety Part 2-40: Particular requirements forelectrical heat pumps, air-conditioners and dehumidifiers, copyright 2005, are indicated by notations(differences) and are presented in bold text.There
45、 are five types of National Differences as noted below. The difference type is noted on the first lineof the National Difference in the standard. The standard may not include all types of these NationalDifferences.DR These are National Differences based on the national regulatory requirements.D1 The
46、se are National Differences which are based on basic safety principles and requirements,elimination of which would compromise safety for consumers and users of products.D2 These are national differences from IEC requirements based on existing safety practices. Theserequirements reflect national safe
47、ty practices, where empirical substantiation (for the IEC or nationalrequirement) is not available or the text has not been included in the IEC standard.DC These are National Differences based on the component standards and will not be deleted untila particular component standard is harmonized with
48、the IEC component standard.DE These are National Differences based on editorial comments or corrections.Each national difference contains a description of what the national difference entails. Typically one of thefollowing words is used to explain how the text of the national difference is to be app
49、lied to the base IECtext:Addition / Add - An addition entails adding a complete new numbered clause, subclause,table, figure, or annex. Addition is not meant to include adding select words to the base IECtext.Modification / Modify - A modification is an altering of the existing base IEC text such as theaddition, replacement or
