AS-1731.12-2003.pdf
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1、AS 1731.122003 (Incorporating Amendment No. 1) Australian Standard Refrigerated display cabinets Part 12: Measurement of the heat extraction rate of the cabinets when the condensing unit is remote from the cabinet AS 1731.122003 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 21 Oct 2008 This Australia
2、n 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. This Standard was published on 1 October 2003. The following are represented on Committee ME-008: Australian Greenhouse Office Australian
3、Retailers Association Commercial Refrigeration Manufacturers Association of Australia Food Science Australia Institution of Engineers Australia Refrigeration Air Conditioning Companies Association Keeping Standards up-to-date Standards are living documents which reflect progress in science, technolo
4、gy 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 Standards may also be withdrawn.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 important that readers assure themselves they are using a current Standard, which should include any
5、 amendments which may have been published since the Standard was purchased. Detailed information about Standards can be found by visiting the Standards Web Shop at .au and looking up the relevant Standard in the on-line catalogue. Alternatively, the printed Catalogue provides information current at
6、1 January each year, and the monthly magazine, The Global Standard, has a full listing of revisions and amendments published each month. Australian StandardsTM and other products and services developed by Standards Australia are published and distributed under contract by SAI Global, which operates
7、the Standards Web Shop. We also welcome suggestions for improvement in our Standards, and especially encourage readers to notify us immediately of any apparent inaccuracies or ambiguities. Contact us via email at mailstandards.org.au, or write to the Chief Executive, Standards Australia, GPO Box 476
8、, Sydney, NSW 2001. This Standard was issued in draft form for comment as DR 03217. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 21 Oct 2008 AS 1731.122003 (Incorporating Amendment No. 1) Australian Standard Refrigerated display cabinets Part 12: Measurement of the heat extraction rate of the cabine
9、ts when the condensing unit is remote from the cabinet Originated as AS B2201966. Previous edition AS 1731.122000. Second edition 2003. Reissued incorporating Amendment No. 1 (December 2005). COPYRIGHT Standards Australia All rights are reserved. No part of this work may be reproduced or copied in a
10、ny form or by any means, electronic or mechanical, including photocopying, without the written permission of the publisher. Published by Standards Australia GPO Box 476, Sydney, NSW 2001, Australia ISBN 0 7337 5536 4 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 21 Oct 2008 AS 1731.122003 2 PREFACE T
11、his Standard was prepared by the Australian members of the Joint Standards Australia/Standard New Zealand Committee ME-008, Refrigerated Display Cabinets, to supersede AS 1731.122000, Refrigerated display cabinets, Part 12: Measurement of the heat extraction rate of cabinets when the condensing unit
12、 is remote from the cabinet. After consultation with stakeholders in both countries, Standards Australia and Standards New Zealand decided to develop this Standard as an Australian, rather than an Australian/New Zealand Standard. This Standard incorporates Amendment No. 1 (December 2005). The change
13、s required by the Amendment are indicated in the text by a marginal bar and amendment number against the clause, note, table, figure or part thereof affected. This Standard is based on International Standard prEN ISO 23953-2:2003, Refrigerated display cabinets, Part 2: Classification, requirements a
14、nd test conditions. This Standard is Part 12 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 volu
15、mes 1731.4 Part 4: General test conditions 1731.5 Part 5: Temperature test 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 odour
16、 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 (this Standard) 1731.13 Part 13: Test report 1731.14 Part 14: Minimum energy performance standard (MEPS) r
17、equirements Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 21 Oct 2008 3 AS 1731.122003 CONTENTS Page 1 SCOPE4 2 REFERENCED DOCUMENTS4 3 OBJECTIVE.4 4 TEST PROCEDURE.4 5 DETERMINATION OF HEAT EXTRACTION RATE6 6 METHOD. 11 7 TEST REPORT. 16 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 21 Oct 2008 AS 17
18、31.122003 4 Standards Australia .au STANDARDS AUSTRALIA Australian Standard Refrigerated display cabinets Part 12: Measurement of the heat extraction rate of the cabinets when the condensing unit is remote from the cabinet 1 SCOPE 1.1 Scope of Standard This Standard specifies terminology, general me
19、chanical and physical requirements, test conditions as well as installation and maintenance, for commercial refrigerators and freezers used for the sale or display of food products including beverages. This Standard does not cover refrigerated vending machines, ice-makers, cabinets intended for use
20、in catering and similar non-retail applications. 1.2 Scope of Part 12 This Part of AS 1731 specifies heat extraction rate measurements and conditions for refrigerated display cabinets when the condensing unit is remote from the cabinet and used with compression-type or indirect-type refrigerating sy
21、stem. 2 REFERENCED DOCUMENTS The following documents are referred to in this Standard: AS 1731 Refrigerated display cabinets 1731.4 Part 4: General test conditions 1731.5 Part 5: Temperature test 1731.13 Part 13: Test report AS/NZS 1677 Refrigerating systems 1677.1 Part 1: Refrigerant classification
22、 3 OBJECTIVE The objective of this Standard is to establish a procedure for the measurement of the heat extraction rate of remote and indirect refrigerating systems for use by manufacturers, suppliers, purchasers, operators and regulators of these systems. 4 TEST PROCEDURE 4.1 General test condition
23、s The cabinet shall be installed in the test room and the test shall be prepared and carried out during the temperature test, in accordance with AS 1731.4 and AS 1731.5. The condensing unit shall be connected to the cabinet in accordance with Clauses 4.2 or 4.3 and the operating controls set to the
24、manufacturers instructions. A1 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 21 Oct 2008 5 AS 1731.122003 .au Standards Australia The refrigerant inlet and outlet temperatures shall be measured using temperature sensors. The sensors shall be directly inserted into the pipe or pockets, or clamped betw
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