1、NEMA Standards PublicationNational Electrical Manufacturers AssociationNEMA ICS 5 ANNEX F-2002 (R2012)High Pressure Power Wash Test Procedures for Self-Contained Control-Circuit DevicesNEMA ICS 5 Annex F-2002 (R2007, R2012) High Pressure Power Wash Test Procedures for Self-Contained Control-Circuit
2、Devices Published by National Electrical Manufacturers Association 1300 North 17th Street Rosslyn, Virginia 22209 www.nema.org Copyright 2012 by the National Electrical Manufacturers Association. All rights including translation into other languages, reserved under the Universal Copyright Convention
3、, the Berne Convention for the Protection of Literary and Artistic Works, and the International and Pan American Copyright Conventions. NEMA ICS 5 Annex F-2002 (R2007, R2012) Page ii Copyright 2012 by the National Electrical Manufacturers Association NOTICE AND DISCLAIMER The information in this pub
4、lication was considered technically sound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document. The
5、National Electrical Manufacturers Association (NEMA) standards and guideline publications, of which the document contained herein is one, are developed through a voluntary consensus standards development process. This process brings together volunteers and/or seeks out the views of persons who have
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13、e attributable to NEMA and is solely the responsibility of the certifier or maker of the statement. NEMA ICS 5 Annex F-2002 (R2007, R2012) Page iii Copyright 2012 by the National Electrical Manufacturers Association FOREWORD This standards publication was prepared by a technical committee of the NEM
14、A Industrial Automation Control Products and Systems Section. It was approved in accordance with the bylaws of NEMA and supersedes the indicated NEMA standards publication. This standards publication is an addition part to ICS 5-2000 Control-Circuit and Pilot Devices and will be included into that s
15、tandards publication when it is next revised. Annex F provides test methods for evaluating the suitability of potential control-circuit devices when subjected to high-pressure power wash procedures. NEMA standards publications are subject to periodic review. They are revised frequently to reflect us
16、er input and to meet changing conditions and technical progress. Proposed revisions to this Standards Publication should be submitted to: Senior Technical Director, Operations National Electrical Manufacturers Association 1300 North 17th Street Rosslyn, Virginia 22209 This standards publication was
17、developed by the Industrial Automation Control Products and Systems Section. Section Approval of the standard does not necessarily imply that all section members voted for its approval or participated in its development. At the time it was approved, the Section was composed of the following members:
18、 ABB Control, Inc. Wichita Falls, TX Alstom Power Conversion Pittsburgh, PA Automatic Switch Company Florham Park, NJ Balluff, Inc. Florence, KY Carlo Gavazzi, Inc. Buffalo Grove, IL CMC Torque Converters Billerica, MA Control Concepts Corp Beaver, PA Cooper Bussman St. Louis, MO Cummins, Inc. Minne
19、apolis, MN Cyberex LLC Richmond, VA Eaton Corporation Milwaukee, WI Electro Switch Corporation Weymouth, MA Emerson Process Management Austin, TX Entrelec, Inc. Irving, TX GE Industrial Systems Plainville, CT Hubbell Incorporated Madison, OH Joslyn Clark Controls, Inc. Lancaster, SC Lexington Switch
20、 particularly joints, gaskets, cable entrances, mating components, etc. One test cycle shall consist of a minimum of five minutes spray time, followed by a minimum of 30-minutes off-time. The test cycle shall be repeated five times. For panel-mounted devices see Figure F-1 for open test panel. Alter
21、natively, a suitable enclosure is permitted to be used. For non-encapsulated devices mounted in an enclosure, the enclosure may be ventilated to permit the internal pressure to equalize with external pressure. NEMA ICS 5 Annex F-2002 (R2007, R2012) Page F-4 Copyright 2012 by the National Electrical
22、Manufacturers Association F.8.3 Test Sequence The sequence of tests to be performed on a new sample is as follows: Note: Each detergent or sanitizer chemical shall be tested and evaluated independently in the test sequence given below. Test 1: Chemical compatibility test if applicable. Chemicals to
23、be used shall be defined by the end use application (see F.8.1.1). Test 2: High-pressure power wash test shall be performed on same sample after test 1 is completed. FI G URE F - 1 O P E N TE S T P A NE L (NO T TO S C A LE ) 305 m m ( 12 i n ) 305 m m ( 12 i n ) 610 m m ( 24 i n ) Dev ic e under te
24、st NEMA ICS 5 Annex F-2002 (R2007, R2012) Page F-5 Copyright 2012 by the National Electrical Manufacturers Association J 1/4 “ NPT T AP ERE D PIPE T HR EA DH F E DB CGAO BL O NG HO LE15 DEG REE F LA T F AN S PRA Y NO Z Z LE F LO W RAT E 3 .8 L IT ER / MIN. ( 1 G AL / MIN. ) at 8 27 3 k Pa ( 12 00 ps
25、 i )IT EM mm i nc hA 22 .2 7 / 8B 7.9 5 / 1 6C 9.5 3 / 8D 6.7 0.2 63E 3 0.1 18F 8.1 0.3 18G 0.6 8 0.0 27H 14 .3 9 / 1 6J 12 .7 1 / 2FIGURE F-2TY PI CA L P OW ER W A SH NOZZL ENATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION 1300 NORTH 17TH STREET, SUITE 900 ROSSLYN. VA 22209www.NEMA.orgTO ORDER ADDITIONAL NEMA STANDARDS VISITWWW.GLOBAL.IHS.COM OR CALL 1-800-854-7179/1-303-397-79565612_0514TB
