ISO INTERNATIONAL STANDARD 13612-1 First edition 2014-05-01 Heating and cooling systems in buildings - Method for calculation of the system performance and system design for heat pump systems - Part 1: Design and dimensioning Systemes de chauffage et de refroissement dans les batiments - Méthode de calcul de la performance du systeme et de la conception dusystemepourlessystemesdepompesachaleur- Partie 1: Conception et dimensionnement Reference number IS0 13612-1:2014(E) TSO @ IS0 2014 It license from IHS Not for Resale IS0 13612-1:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2014 All rights reserved. Unless otherwise specified, 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 Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 13612-1:2014(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. .1 2 Normative references 3 Terms and definitions ..2 4 Symbols and abbreviations ..3 5 System design requirements. .4 5.1 General .4 5.2 Heating/cooling source .4 5.3 Electrical supply .5 5.4 Heat pump system design .6 5.5 Positioning .6 5.6 Noise level .6 6 Dimensioning of the heat pump system .6 6.1 General .6 6.2 Methodology for sizing .1 6.3 Dimensioning the heat pump system for the heating period ..8 6.4 Determination of the power of the heat pump system for the cooling period .12 6.5 Oversizing considerations .13 7 Additional design information forheat pump system ..13 7.1 Hydraulic integration .13 7.2 Control of the system .13 7.3 Safety requirements .13 7.4 Operational requirements .14 8 Installation requirements. .14 Annex A (informative) Heat pump technologies and design schemes ..15 Annex B (informative) Guidelines for the design parameters of the heat pump systems using waterasaheatsource .47 Annex C (informative) Noise levels in the vicinity. ..48 Annex D (informative) Example calculations of the domestic hot water (DHW) storage size ... ..4.9. Annex E (informative) Average daily tapping patterns for the domestic hot water production....51 Annex F (informative) Commissioning of the system ..54 Bibliography .58 ii se with IS Not for Resale