BS/EN 15316-2-2017 pdf download.Energy performance of buildings – Method for calculation of system energy requirements and system efficiencies Part 2: Space emission systems (heating and cooling), Module M3-5, M4-5.
EN 419-2, Non -domestic gas-fl red overhead luminous radiant heaters – Part 2: Rational use of energy
EN 442 (all parts), Radiators and convectors
EN 1264 series. Water based surface embedded heating and cooling systems
EN 12828, Heating systems in building — Design for water based heating systems
EN 12831-1, Energy performance of buildings – Method for calculation of the design heat load – Part 1:
Space heating load, Module M3-3
EN 15316-1, Heating systems in buildings – Method for calculation of system energy requirements and system efficiencies – Part 1: General
EN 15500, Control for heating, ventilating and air-conditioning applications – Electronic individual zone control equipment
EN ISO 7345:1995, Thermal insulation – Physical quantities and definitions (ISO 7345:1 987)
EN ISO 52000-1:2017, Energy performance of buildings — Overarching EPB assessment — Part 1: General
framework and procedures (ISO 52000-1:2017)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN ISO 7345:1995, EN ISO 52000-1:20 17, and the following specific definitions apply.
3.1
heating system heat loss, emission
cooling system cooling loss, emission
heat/cooling loss through the building envelope due to non-uniform temperature distribution, control inefficiencies and losses of emitters embedded in the building structure
3.2
heating and cooling system heat losses, total
sum of the heat and cooling losses from the system, including recoverable heat loss
3.3
control
self-acting device with and without auxiliary energy to keep a physical condition as temperature, humidity, etc. close to set-point
5.2 General description of the method
The energy performance is assessed by values of the increased space temperatures due to heat and cooling emission system inefficiencies.
The method is based on an analysis of the following characteristics of a space heating emission system or cooling system including control:
— non-uniform space temperature distribution;
— emitters;
— emitters embedded in the building structure;
— control accuracy of the indoor temperature;
— operation of controls / controls systems and emitters.
The energy required by the emission system is calculated separately for thermal energy and electrical energy in order to determine the final energy, and subsequently the corresponding primary energy is calculated.
The calculation factors for conversion of energy requirements to primary energy shall be decided on a national level.
For the calculation of the different characteristics within combined systems it is assumed, that the system is designed under the aspect of energy optimization.
6 Calculation Method
6.1 Output data
The output data of this method are listed in Table 4.
6.2 Calculation time steps
The objective of the calculation is to determine the annual energy demand or the energy demand of a time period of the space heating / cooling emission system. This may be done in one of the following two different ways:
— by using annual data for the system operation period and perform the calculations using annual average values;
— by dividing the year into a number of calculation periods (e.g. year, month, week, day, hour, boosted sub-period) and perform the calculations for each period using period dependent values and adding up the results for all the periods over the year.
6.3 Input data
6.3.1 Source of data
Input data about products that are required for the calculation described in this standard shall be the data supplied by the manufacturer if they are declared according to relevant EN product standards.
If no such data from the manufacturer is available or if the required data are not product data, default values are given in Annex B.
6.3.2 Product data (technical data)
The product data shall be the value declared by the manufacturer according to certified measurements performed according to the relevant product standards. If values declared by the manufacturer are not available, then default values are given in informative Annex B.
Required technical data for this calculation procedure are listed in Table 5.BS/EN 15316-2-2017 pdf download.
BS/EN 15316-2-2017 pdf download
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