Case Study EN 15316-1 Heating and domestic hot water systems, general part
This case study is focused on the standard EN 15316-1 which is the general module for heating and domestic hot water systems.
EN 15316-1 defines the back-bone to which all the other modules concerning the heating systems are connected.
This case study demonstrates how the calculation structure of a heating system according to EN 15316-1 is used to describe a heating system that can be:
- an elementary streamlined system serving one unique thermal zone with one emission system, one distribution and one generator;
- or a system supplying multiple space heating thermal zones;
- or a system with multiple heat generation devices;
- and/or a system providing both heating and domestic hot water, with thermal solar and priority.
The calculation in this case study focuses on the calculation of operating temperature of the hydraulic circuits, which may impact energy performance, due to nfluence on losses of the distribution circuits or influence on generation sub-system performance.
Based on energy needs, emitter sizing and control strategy, the flow and return temperature and the flow rate are calculated for space heating. For domestic hot water, the operating temperature is given by system set-point values.
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