AS 1731-5-2003 Refrigerated display cabinets Part 5 Temperature test.pdf
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1、 AS 1731.52003 Australian Standard Refrigerated display cabinets Part 5: Temperature test AS 1731.5 This Australian Standard was prepared by Committee ME-008, Refrigerated Display Cabinets. It was approved on behalf of the Council of Standards Australia on 26 September 2003 and published on 1 Octobe
2、r 2003. The following are represented on Committee ME-008: Australian Greenhouse Office Australian Retailers Association Commercial Refrigeration Manufacturers Association of Australia Food Science Australia Institution of Engineers Australia Refrigeration Air Conditioning Companies Association Keep
3、ing Standards up-to-date Standards are living documents which reflect progress in science, technology and systems. To maintain their currency, all Standards are periodically reviewed, and new editions are published. Between editions, amendments may be issued. Standards may also be withdrawn. It is i
4、mportant that readers assure themselves they are using a current Standard, which should include any amendments which may have been published since the Standard was purchased. Detailed information about Standards can be found by visiting the Standards Australia web site at .au and looking up the rele
5、vant Standard in the on-line catalogue. Alternatively, the printed Catalogue provides information current at 1 January each year, and the monthly magazine, The Global Standard, has a full listing of revisions and amendments published each month. We also welcome suggestions for improvement in our Sta
6、ndards, and especially encourage readers to notify us immediately of any apparent inaccuracies or ambiguities. Contact us via email at .au, or write to the Chief Executive, Standards Australia International Ltd, GPO Box 5420, Sydney, NSW 2001. This Standard was issued in draft form for comment as DR
7、 03210. The Standard is downloaded from Standard Sharing AS 1731.52003 Australian Standard Refrigerated display cabinets Part 5: Temperature test Originated as AS B2201966. Previous edition AS 1731.52000. Second edition 2003. COPYRIGHT Standards Australia International All rights are reserved. No p
8、art of this work may be reproduced or copied in any form or by any means, electronic or mechanical, including photocopying, without the written permission of the publisher. Published by Standards Australia International Ltd GPO Box 5420, Sydney, NSW 2001, Australia ISBN 0 7337 5529 1 AS 1731.52003 2
9、 PREFACE This Standard was prepared by the Australian members of the Joint Standards Australia/Standards New Zealand Committee ME-008, Refrigerated Display Cabinets, to supersede AS 1731.52000, Refrigerated display cabinets, Part 5: Temperature test. After consultation with stakeholders in both coun
10、tries, Standards Australia and Standards New Zealand decided to develop this Standard as an Australian, rather than an Australian/New Zealand Standard. This Standard is based on International Standard prEN 23953-2:2003, Refrigerated display cabinets, Part 2: Classification, requirements and test con
11、ditions. The Standard forms Part of a series of Standards for refrigerated display cabinets, as follows: AS 1731 Refrigerated display cabinets 1731.1 Part 1: Terms and definitions 1731.2 Part 2: General mechanical and physical requirements 1731.3 Part 3: Linear dimensions, areas and volumes 1731.4 P
12、art 4: General test conditions 1731.5 Part 5: Temperature test (this Standard) 1731.6 Part 6: Classification according to temperatures 1731.7 Part 7: Defrosting test 1731.8 Part 8: Water vapour condensation test 1731.9 Part 9: Electrical energy consumption test 1731.10 Part 10: Test for absence of o
13、dour and taste 1731.11 Part 11: Installation, maintenance and user guide 1731.12 Part 12: Measurement of the heat extraction rate of the cabinets when the condensing unit is remote from the cabinet 1731.13 Part 13: Test report 1731.14 Part 14: Minimum energy performance standard (MEPS) requirements
14、The Standard is downloaded from Standard Sharing 3 AS 1731.52003 CONTENTS Page 1 SCOPE4 2 REFERENCED DOCUMENTS4 3 OBJECTIVE .4 4 TEST PROCEDURE.4 5 EXPRESSION OF RESULTS.22 6 TEST REPORT.23 AS 1731.52003 4 Standards Australia .au STANDARDS AUSTRALIA Australian Standard Refrigerated display cabinets
15、 Part 5: Temperature test 1 SCOPE 1.1 Scope of the Standard This Standard specifies terminology, general mechanical and physical requirements, test conditions as well as installation and maintenance including a users guide, for refrigerated display cabinets for the sale or display, or both, of food
16、products. This Standard does not cover refrigerated vending machines, cabinets intended for use in catering and similar non-retail applications or food service cabinets. 1.2 Scope of Part 5 This Part of AS 1731 specifies methods for the determination of test package temperatures in refrigerated disp
17、lay cabinets. 2 REFERENCED DOCUMENTS The following documents are referred to in this Standard: AS 1731 Refrigerated display cabinets 1731.4 Part 4: General test conditions 1731.13 Part 13: Test report 3 OBJECTIVE The objective of this Standard is to specify the requirements for conducting a temperat
18、ure test for refrigerated display cabinets. 4 TEST PROCEDURE 4.1 Preparation of test cabinet The cabinet is installed in the test room and the test is prepared according to AS 1731.4. 4.2 Loading the cabinet General The cabinet shall be loaded with filler packages and M-packages (see AS 1731.4) up t
19、o the load limit, as illustrated in Figures 1 to 12. These packages shall have previously been brought to a temperature equal to that expected during the test. The test packages shall be arranged so as to form an even level. Each refrigerated shelf area shall be loaded with test packages arranged in
20、 such a way that they form rows with a length of 200 mm, by the depth of the cabinet, in the direction of the airflow in the cabinet. A clearance of 25 mm 5 mm shall be left between package rows and adjacent to the internal end walls of the cabinet. For units with perforated discharge panels a clear
21、ance of up to 25 mm between the rear panel and the filler package is permitted. The Standard is downloaded from Standard Sharing 5 AS 1731.52003 .au Standards Australia It is possible to use partitions with a thickness of approximately 25 mm to position the packages on condition that they have a mi
22、nimal effect on normal airflow and minimal thermal conduction. Lengthways, any remaining spaces shall be filled with test packages to obtain one or two adjustment rows of which the width can measure from 100 mm up to 300 mm. Depth-wise, any remaining spaces of less than 25 mm wide shall be filled wi
23、th wooden vertical dividers, placed approximately midway along the space between two M-packages. For roll-in cabinets or multi-deck cabinets with a loading height above 500 mm (see Figure 13), some wood loading may be used. The thickness of each layer is not specified. (Varnished pieces of exterior
24、grade plywood with good water resistance, 200 mm by 50 mm by the depth of loading can be used). Metallic grids are used to support the test package loading on M-package rows and the adjacent ones. 4.3 Loading heights The loading height of the refrigerated shelves shall be as follows: (a) For horizon
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