ISO INTERNATIONAL STANDARD 7240-5 Third edition 2018-05 Fire detection and fire alarm systems - Part 5: Point type heat detectors Systemes de détection et d'alarme incendie Partie 5: Détecteurs de chaleur ponctuels Reference number ISO 7240-5:2018(E) Tso @IS02018 IS0 7240-5:2018(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2018 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IsO at the address below or Iso's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland i @ IS0 2018 - All rights reserved IS0 7240-5:2018(E) Contents Page Foreword ..vi Introduction. ..vii 1 Scope. 2 Normative references 3 Terms and definitions 4 General requirements. ..2 4.1 Compliance .2 4.2 Classification .2 4.3 Position of heat sensitive elements .3 4.4 Individual alarm indication... .3 4.5 Connection of ancillary devices. 3 4.6 .3 Monitoringofdetachabledetectors 4.7 Manufacturer'sadjustments .3 4.8 On-site adjustment of response behaviour .4 4.9 Requirements for software controlled detectors 4 4.9.1 General. .4 4.9.2 Software design. ..4 4.9.3 The storage of programs and data .4 5 Tests ..4 5.1 General. 5.1.1 Atmospheric conditions for tests .4 5.1.2 Operating conditions for tests. 5.1.3 Mounting arrangements. 5 5.1.4 Tolerances. ..5 5.1.5 Measurement of response time. .5 5.1.6 Provision for tests. ..6 5.1.7 Test schedule .6 5.2 Directional dependence .8 5.2.1 Object. .8 5.2.2 Test procedure ..8 5.2.3 Requirements 5.3 Static response temperature. 8 5.3.1 Object. 5.3.2 Test procedure 9 5.3.3 Requirements ..9 5.4 Response times from typical application temperature .9 5.4.1 Object. .9 5.4.2 Test procedure .9 5.4.3 Requirements .9 5.5 Response times from 25 °C .10 5.5.1 Object. .10 5.5.2 Test procedure 5.5.3 Requirements .10 5.6 Response times from high ambient temperature (Dry heat operational) .10 5.6.1 Object. ..10 5.6.2 Test procedure ..10 5.6.3 Requirements ..10 5.7 Variation in supply parameters. .11 5.7.1 Object. ..11 5.7.2 Test procedure .11 5.7.3 Requirements ..1 5.8 Reproducibility .11 @ IS0 2018 - All rights reserved ii