ISO INTERNATIONAL STANDARD 13256-2 Second edition 2021-05 Water-source heat pumps Testing and rating for performance - Part 2: Water-to-water and brine-to-water heat pumps Pompes a chaleur a eau - Essais et détermination des caractéristiques deperformance- Partie 2: Pompes a chaleur eau-eau et eau glycolée-eau Reference number IS0 13256-2:2021(E) ISO @ ISO 2021 IS0 13256-2:2021(E) COPYRIGHTPROTECTED DOCUMENT IS02021 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 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2021 - All rights reserved