ISO INTERNATIONAL STANDARD 13043 First edition 2011-04-15 Road vehicles Refrigerant systems used in mobile air conditioning systems (MAC) Safety requirements Vehicules routiers- Systemesrefrigerantsutilisesdanslessystemes d'air conditionné embarqués (MAC) - Exigences de sécurité Reference number ISO 13043:2011(E) ISO ISO2011 by IHS under lic No reproduction or networking permitted without license from IHS Not for Resale ISO 13043:2011(E) COPYRiGHTPROTECTEDDOCUMENT ISO2011 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2011 - All rights reserved No reproduction or networking permited without license from IHS Not for Resale ISO 13043:2011(E) Contents Page Foreword .iv Introduction 1 Scope 2 Normative references 3 Terms and definitions 2 4 Safety targets 4.1 General 4.2 Risk assessment 4.3 Relevantinputsandscenariosfortheriskassessment 5 System level requirements 11 5.1 Refrigerant system.... 11 5.2 Pressure and temperature ranges. 12 5.3 System layout.... 12 5.4 Pressure and temperature limitation strategies 12 6 Component level requirements 12 6.1 Generalrequirements 12 6.2 Piping and connecting technology 13 6.3 Compressor. 14 6.4 Evaporator..... 15 6.5 Condenser/gas cooler 15 6.6 Receiver and accumulator 15 6.7 Serviceports 15 6.8 Control devices. 15 7 Design requirements for service and manufacturing.. 15 Annex A (normative) Relevant input values for the risk assessment of refrigerants R-134a, R-1234yf and R-744.. .16 AnnexB(normative)Pressureandtemperaturereferencedata. 19 Bibliography 21 ii thout license from IHS Not for Resale