DIN EN 15316-3:2017-09

This European Standard covers energy performance calculation of water based distribution systems for space heating, space cooling and domestic hot water. This European Standard deals with the heat flux from the distributed water to the space and the auxiliary energy of the related pumps. The heat flux and the auxiliary energy for pumps can be calculated at any time-step (hour, month and year). The input and output data are mean values of the time step. Instead of calculating the energy performance of water based distribution systems it is also possible to use measurements as long as they are following the timesteps of the whole performance calculation or can divided in those timesteps. This document (EN 15316-3:2017) has been prepared by Technical Committee CEN/TC 228 "Heating systems in buildings" (secretariat: DIN, Germany). Working Committee NA 041-05-01 AA "Energetic assessment of building services installations (SpA ISO/TC 205 "Environmentally friendly building design")" at DIN Standards Committee Heating and Ventilation Technology and their Safety (NHRS) is responsible for the German version. In Germany, the Directive on the energy performance of buildings (2010/31/EU) of the European Parliament and the European Council is primarily implemented by national energy conservation law. National energy conservation law refers to dated national and European standards and national prestandards that have been specified to be implemented in Germany.