ANSI UL 60335-2-24-2017 UL Standard for Safety Household and Similar Electrical Appliances C Safety C Part 2-24 Particular Requirements for Refrigerating Appliances Ice-Cream Appli.pdf

1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 60335-2-24 Household and Similar Electrical Appliances Safety Part 2-24: Particular Requirements for Refrigerating Appliances, Ice-Cream Appliances and Ice-Makers STANDARD FOR SAFETYUL COPYR

2、IGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Household and Similar Electrical Appliances Safety Part 2-24: Partic

3、ular Requirements for Refrigerating Appliances, Ice-Cream Appliances and Ice-Makers, UL 60335-2-24 Second Edition, Dated April 28, 2017 Summary of Topics This new edition of ANSI/UL 60335-2-24, the harmonized Standard for Household and Similar Electrical Appliances Safety Part 2-24: Particular Requi

4、rements for Refrigerating Appliances, Ice-Cream Appliances and Ice-Makers, UL 60335-2-24, is based off of Edition 7.1 of IEC 60335-2- 24. As noted in the Commitment for Amendments statement located on the back side of the title page, UL and CSA are committed to updating this harmonized standard join

5、tly. The requirements are substantially in accordance with Proposal(s) on this subject dated March 18, 2016 and December 23, 2016. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photoco

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7、ncidental, consequential, indirect or similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no ev

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9、gment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. APRIL 28, 2017 UL 60335-2-24 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PE

10、RMISSION FROM UL APRIL 28, 2017 UL 60335-2-24 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CSA Group CAN/CSA-C22.2 No. 60335-2-24:17 Second Edition (IEC 60335-2-24:2010+A1:2012, MOD) Underwriters Laboratories Inc.

11、UL 60335-2-24 Second Edition Household and Similar Electrical Appliances Safety Part 2-24: Particular Requirements for Refrigerating Appliances, Ice-Cream Appliances and Ice-Makers April 28, 2017 This national standard is based on IEC 60335-2-24, edition 7.1 (2012), which is based on the seventh edi

12、tion (2010) and its amendment 1 (2012). ANSI/UL 60335-2-24-2017 Approved byUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Commitment for Amendments This standard is issued jointly by the Canadian Standards Association (operating as “CSA Gro

13、up”) and Underwriters Laboratories Inc. (UL). Comments or proposals for revisions on any part of the standard may be submitted to CSA Group or UL at anytime. Revisions to this standard will be made only after processing according to the standards development procedures of CSA Group and UL. CSA Group

14、 and UL will issue revisions to this standard by means of a new edition or revised or additional pages bearing their date of issue. ISBN 978-1-4883-0399-9 2017 CSA Group All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publ

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17、47-4044. Copyright 2017 Underwriters Laboratories Inc. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and

18、 exclusive property of UL. This ANSI/UL Standard for Safety consists of the Second Edition. The most recent designation of ANSI/UL 60335-2-24 as an American National Standard (ANSI) occurred on April 28, 2017. ANSI approval for a standard does not include the Cover Page, Transmittal Pages, Title Pag

19、e (front and back), or the Preface. The National Difference Page and IEC Foreword are 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 Request

20、in ULs On-Line Collaborative Standards Development System (CSDS) at https:/. To purchase UL Standards, visit Comm 2000 at http:/m- or call toll-free 1-888-853-3503.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS PREFACE 6 NATIONAL D

21、IFFERENCES . 9 FOREWORD . 10 INTRODUCTION . 14 1 Scope 15 2 Normative references .16 3 Terms and denitions 18 4 General requirement .20 5 General conditions for the tests 21 6 Classication 23 7 Marking and instructions 24 8 Protection against access to LIVE PARTS 31 9 Starting of MOTOR-OPERATED APPL

22、IANCES 31 10 Power input and current .31 11 Heating 33 12 Void .37 13 Leakage current and electric strength at operating temperature 37 14 Transient overvoltages 38 15 Moisture resistance .38 15.106DV.1 Component washing test .39 15.107DV.1 Overow test 40 16 Leakage current and electric strength .41

23、 17 Overload protection of transformers and associated circuits 42 18 Endurance .42 19 Abnormal operation .42 20 Stability and mechanical hazards .45 21 Mechanical strength .50 21.103DV.1 Shelf and drawer impact and static load 51 21.104DV.1 Component restraint .52 22 Construction .52 22.112DV.1 Doo

24、r latch release test .64 22.117DV.1 Separation of circuits .67 23 Internal wiring 67 24 Components .68 24.103DV.1 Switches and controllers 69 25 Supply connection and external exible cords 71 26 Terminals for external conductors .73 27 Provision for earthing 73 28 Screws and connections .74 29 CLEAR

25、ANCES, CREEPAGE DISTANCES and solid insulation 74 30 Resistance to heat and re 75 31 Resistance to rusting 75 32 Radiation, toxicity and similar hazards .75 Annexes APRIL 28, 2017 CAN/CSA-C22.2 NO. 60335-2-24:17 UL 60335-2-24 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRI

26、BUTION WITHOUT PERMISSION FROM UL Annex A (informative) Routine tests A.101DV.1 Refrigerant leakage test .79 Annex C (normative) Ageing test on motors Annex D (normative) Thermal motor protectors Annex P (informative) Guidance for the application of this standard to appliances used in warm damp equa

27、ble climates 5 General conditions for the tests 82 11 Heating 82 Annex AA (normative) Locked-rotor test of fan motors Annex BB (informative) Method for accumulation of frost Annex CC (normative) Non-sparking “n” electrical apparatus 11 Supplementary requirements for non-sparking luminaires 88 16 Gen

28、eral supplementary requirements for apparatus producing arcs, sparks or hot surfaces . .88 17 Supplementary requirements for enclosed-break devices and non-incendive components producing arcs, sparks or hot surfaces 88 18 Supplementary requirements for hermetically sealed devices producing arcs, spa

29、rks or hot surfaces .88 19 Supplementary requirements for sealed devices producing arcs, sparks or hot surfaces .88 19.1 Non-metallic materials 88 19.6 Type tests .89 20 Supplementary requirements for restricted-breathing enclosures protecting apparatus producing arcs, sparks or hot surfaces 89 Anne

30、x DD (informative) Sound manufacturing practice for compression-type appliances which use ammable refrigerant Annex DVA (normative) Component Standards Cross Reference Annex 101.DVA (normative) Hazard Assessment for Moving Parts; and Probes to Simulate Access to Hazardous Parts by Children 101.DVA.1

31、 Hazard Assessment for Moving Parts .92 Annex 101.DVB (normative) Ice Dispenser Durability APRIL 28, 2017 CAN/CSA-C22.2 NO. 60335-2-24:17 UL 60335-2-24 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 101.DVB.1 Ice dispensing system mechanic

32、al strength 96 101.DVB.2 Ice dispensing system durability tests .96 Annex 101.DVC (normative) Door Hinge Strength Test 101.DVC.1 Door Hinge Strength Test .98 Annex 101.DVD (normative) Resistance to Heat and Fire 101.DVD.1 General .99 101.DVD.2 Thermal Insulation Flammability 99 101.DVD.3 Flame Sprea

33、d Test and Radiant Panel Test 100 101.DVD.4 Burnout Test Impedance Protected Motors .101 101.DVD.5 Non-Metallic Material Flammability in Proximity to Electrical Connections . . . .101 101.DVD.6 Nichrome Wire Test .106 Annex 101.DVE (informative) English and French Translations of Markings Bibliograp

34、hy APRIL 28, 2017 CAN/CSA-C22.2 NO. 60335-2-24:17 UL 60335-2-24 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PREFACE This is the harmonized CSA Group and UL standard for particular requirements for refrigerating appliances, ice-cream app

35、liances and ice makers. It is the second edition of CAN/CSA-C22.2 No. 60335-2-24, and the second edition of UL 60335-2-24. This edition of CAN/CSA-C22.2 No. 60335-2-24 supersedes the previous edition published on August 21, 2006 and replaces CSA C22.2 No. 63-93, Household Refrigerators and Freezers.

36、 This edition of UL 60335-2-24 supersedes the previous edition published on August 21, 2006. This harmonized standard is based on IEC Publication 60335-2-24: Edition 7.1, Household and Similar Electrical Appliances Safety Part 2-24: Particular Requirements for Refrigerating Appliances, Ice-Cream App

37、liances and Ice-Makers, issued May 2012. IEC 60335-2-24 is copyrighted by the IEC. This harmonized Standard was prepared by CSA Group and Underwriters Laboratories Inc. (UL). The efforts and support of the appliance manufacturing industry are gratefully acknowledged. This standard is considered suit

38、able for use for conformity assessment within the stated scope of the standard. This Standard was reviewed by the CSA Subcommittee on Household Appliances for Refrigeration under the jurisdiction of the CSA Technical Committee on Consumer and Commercial Products and the CSA Strategic Steering Commit

39、tee on Requirements for Electrical Safety, and has been formally approved by the CSA Technical Committee. This Standard was also reviewed and approved by ULs Standards Technical Panel for Household Refrigerators and Freezers, STP 250. This Standard has been approved as a National Standard of Canada

40、by the Standards Council of Canada (SCC) and approved by the American National Standards Institute (ANSI) for publication as an American National Standard. Application of Standard Where reference is made to a specic number of samples to be tested, the specied number is to be considered a minimum qua

41、ntity. Note: Although the intended primary application of this standard is stated in its scope, it is important to note that it remains the responsibility of the users of the standard to judge its suitability for their particular purpose. CAN/CSA-C22.2 No. 60335-2-24 is to be used in conjunction wit

42、h the rst edition of CAN/CSA-C22.2 No. 60335-1:11. The requirements for refrigerating appliances, ice-cream appliances and ice makers are contained in this Part 2 Standard and CAN/CSA-C22.2 No. 60335-1:11. Requirements of this Part 2 Standard, where stated, amend the requirements of CAN/CSA-C22.2 No

43、. 60335-1:11. Where a particular subclause of CAN/CSA-C22.2 No. 60335-1:11 is not mentioned in CAN/CSA-C22.2 No. 60335-2-24, the CAN/CSA-C22.2 No. 60335-1:11 subclause applies. UL 60335-2-24 is to be used in conjunction with the fth edition of UL 60335-1. The requirements for refrigerating appliance

44、s, ice-cream appliances and ice makers are contained in this Part 2 Standard and UL 60335-1. Requirements of this Part 2 Standard, where stated, amend the requirements of UL 60335-1. Where a particular subclause of UL 60335-1 is not mentioned in UL 60335-2-24, the UL 60335-1 subclause applies. APRIL

45、 28, 2017 CAN/CSA-C22.2 NO. 60335-2-24:17 UL 60335-2-24 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Level of Harmonization This standard adopts the IEC text with national differences. This standard is published as an equivalent standard

46、 for CSA and UL. An equivalent standard is a standard that is substantially the same in technical content, except as follows: a) Technical national differences are allowed for national differences resulting from conicts in codes and governmental regulations as well as those recognized as being in ac

47、cordance with NAFTA Article 905, for example, because of fundamental climatic, geographical, technological, or infrastructural factors, scientic justication, or the level of protection that the country considers appropriate. b) Presentation is word for word except for editorial changes that do not a

48、lter the technical content of the standard. Examples of editorial changes include: 1) different font sizes, gure sizes, and table sizes; 2) minor variations in format, such as indentation and pagination; 3) font appearance (including the use of italic or bold text or uppercase or lowercase letters);

49、 4) the use of a symbol (e.g., A or %) rather than the word (Ampere or percent), or the word rather than the symbol; 5) inclusion of inch-pound units for informational purposes; 6) corrections of misprints or typographical errors; 7) bilingual column headings or gure captions on a common table or gure in a bilingual edition; 8) change from rst-angle to third-angle drawing; 9) addition of a statement: “This is a rst-angle drawing”; and 10) substitution of a