UL 2157-2018 UL Standard for Safety Electric Clothes Washing Machines and Extractors (Fourth Edition)《电动洗衣机和脱水机》.pdf
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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 2157 Electric Clothes Washing Machines and Extractors STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGH
2、TED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Electric Clothes Washing Machines and Extractors, UL 2157 Fourth Edition, Dated May 28, 2018 Summary of Topics This new edition of ANSI/UL 2157 is being issued to incorporate se
3、veral substantial changes. The new/revised requirements are substantially in accordance with Proposal(s) on this subject dated April 28, 2017, October 27, 2017 and January 19, 2018. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in an
4、y form by any means, electronic, mechanical photocopying, recording, or otherwise without prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpos
5、e. In no event will UL be liable for any special, incidental, 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
6、advised of the possibility of such damage. In no event shall ULs liability for any damage ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against
7、any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. MAY 28, 2018 UL 2157 tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURT
8、HER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 28, 2018 UL 2157 tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CSA Group CSA C22.2 No. 16918 Fifth Edition Underwriters Laboratories Inc. UL 2157 Fourt
9、h Edition Electric Clothes Washing Machines and Extractors May 28, 2018 ANSI/UL 2157-2018UL 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 (operati
10、ng as “CSA Group”) 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
11、 UL. CSA Group 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 9781488308628 2018 Canadian Standards Association All rights reserved. No part of this publication may be reproduced in any form whatsoever without t
12、he prior permission of the publisher. This Standard is subject to review within ve years from the date of publication, and suggestions for its improvement will be referred to the appropriate committee. To submit a proposal for change, please send the following information to inquirescsagroup.org and
13、 include Proposal for change in the subject line: Standard designation (number); relevant clause, table, and/or gure number; wording of the proposed change; and rationale for the change. To purchase CSA Group Standards and related publications, visit CSA Groups Online Store at shop.csa.ca or call to
14、ll-free 1-800-463-6727 or 416-747-4044. Copyright 2018 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 Stan
15、dards shall remain the sole and exclusive property of UL. This ANSI/UL Standard for Safety consists of the Fourth Edition. The most recent designation of ANSI/UL 2157 as an American National Standard (ANSI) occurred on May 28, 2018. ANSI approval for a standard does not include the Cover Page, Trans
16、mittal Pages, Title Page (front and back), or the Preface. 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 in ULs On-Line Collaborative Standards Development System (CSDS) at https:/. To purchase
17、 UL Standards, visit ULs Standards Sales Site at http:/ HowToOrder.aspx or call toll-free 1-888-853-3503.UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS PREFACE 8 1 Scope 10 2 Denitions 10 3 General requirements and reference public
18、ations 15 3.1 General requirements 15 3.2 Reference publications .15 4 General Conditions for the Tests.27 4.1 Voltage and frequency .27 4.2 Test load .28 4.3 Test fabric 29 4.4 Thermocouples .29 4.5 Laundry detergent .29 4.6 Laundry bleach .29 4.7 Cheesecloth for heating and abnormal tests 29 4.8 T
19、est temperature 30 5 Marking and Instructions 30 5.1 Marking 30 5.2 Instruction manual .35 5.3 Installation instructions .39 5.4 Operating instructions 39 5.5 User-maintenance instructions 40 5.6 Appliance stand and wall-mounting kit instructions.40 6 Protection against accessibility to current-carr
20、ying parts 40 7 Starting of Motor-Operated Appliances .42 8 Power input and current 42 9 Heating .43 9.1 General 43 9.2 Appliances intended for closet installation 44 9.3 Wall-insert or recessed appliances 45 9.4 Other appliances 45 9.5 Cord reels 45 9.6 Nonautomatic washing machine .45 9.7 Househol
21、d automatic washing machine 46 9.8 Commercial washing machines .46 9.9 Water heating feature 46 9.10 Household extractors .46 9.11 Coin-, ticket-, or card-operated commercial extractors 47 10 Leakage current 47 11 Moisture resistance .48 12 Insulation resistance 48 13 Electric strength 49 14 Abnorma
22、l operation .49 14.1 Stalled motor and open solenoid test .49 14.2 Cord reels .50 14.3 Wetting of electrical components .50 14.4 Oversudsing .51 14.5 Auxiliary reservoirs .51 14.6 Liquid spillage test52 14.7 Nichrome wire test .52 MAY 28, 2018 CSA C22.2 NO. 16918 UL 2157 3UL COPYRIGHTED MATERIAL NOT
23、 AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 14.8 Dry operation 54 15 Stability and mechanical hazards .54 15.1 Automatic restarting of motor 54 15.2 Stability (freestanding appliances) 55 15.3 Wall-mounted appliances55 15.4 Appliance stands .56 15.5 Sharp edges, p
24、rojections, and moving parts .57 15.6 Entrapment 57 15.7 Wringer washers .58 15.8 Washing machines and extraction-type appliances .60 16 Mechanical strength.61 16.1 Frame and enclosure .61 16.2 Back covers .62 16.3 Glass loading doors and lids.62 17 Construction .62 17.1 Current-carrying parts.62 17
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