CEN/TR 15378-4:2017

SLOVENSKI STANDARD
01-maj-2018
Energijske lastnosti stavb - Sistemi za ogrevanje stavb in pripravo tople sanitarne
vode - 4. del: Razlaga in utemeljitev EN 15378-3 - Modula M3-10 in M8-10
Energy performance of buildings - Heating systems and DHW in buildings - Part 4:
Explanation and justification of EN 15378-3, Module M3-10, M8-10
Heizungsanlagen und Wasserbasierte Kühlanlagen in Gebäuden - Heizungsanlagen und
Trinkwarmwasseranlagen in Gebäuden - Teil 4: Begleitender TR zur EN 15378-3
(Messungen der Energieeffizienz)
Performance énergétique des bâtiments - Performance énergétique mesurée - Partie 4:
Explication et justification de l’EN 15378-3, Modules M3-10, M8-10
Ta slovenski standard je istoveten z: CEN/TR 15378-4:2017
ICS:
91.120.10 Toplotna izolacija stavb Thermal insulation of
buildings
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN/TR 15378-4
TECHNICAL REPORT
RAPPORT TECHNIQUE
May 2017
TECHNISCHER BERICHT
ICS 91.120.10; 91.140.10
English Version
Energy performance of buildings - Heating systems and
DHW in buildings - Part 4: Explanation and justification of
EN 15378-3, Module M3-10, M8-10
Performance énergétique des bâtiments - Performance Heizungsanlagen und Wasserbasierte Kühlanlagen in
énergétique mesurée - Partie 4: Explication et Gebäuden - Heizungsanlagen und
justification de l'EN 15378-3, Modules M3-10, M8-10 Trinkwarmwasseranlagen in Gebäuden - Teil 4:
Begleitender TR zur EN 15378-3 (Messungen der
Energieeffizienz)
This Technical Report was approved by CEN on 27 February 2017. It has been drawn up by the Technical Committee CEN/TC
228.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TR 15378-4:2017 E
worldwide for CEN national Members.

Contents Page
European foreword . 5
Introduction . 6
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 Symbols, subscripts and abbreviations. 9
4.1 Symbols . 9
4.2 Subscripts . 9
4.3 Abbreviations . 9
5 Description of the methods . 9
5.1 Available procedures . 9
5.2 Assessment of measured heating and domestic hot water delivered energy . 9
5.2.1 Output of the method . 9
5.2.2 Optional procedures . 9
5.2.3 Validation of measured rating . 10
5.2.4 Correction according to standard use and/or climate . 10
5.3 Assessment of measured boiler combustion efficiency . 11
5.4 Assessment of boiler seasonal efficiency . 11
5.5 Domestic hot water system efficiency . 11
5.6 Other measurement methods . 11
6 Measured delivered energy for heating and domestic hot water . 12
6.1 Rationale and output data . 12
6.2 Assessment and measurement periods and intervals . 14
6.3 Input data . 15
6.3.1 Data on delivered energy carrier amount . 15
6.3.2 Constants and physical data . 15
6.4 Assessment of delivered and exported energy carriers amount . 15
6.4.1 General . 15
6.4.2 Metered energy carriers (electricity, gas, district heating and cooling) . 16
6.4.3 Liquid fuels in tanks or small containers . 16
6.4.4 Solid fuels . 16
6.4.5 Fuel with hour counter . 16
6.4.6 Electrical energy measurement . 16
6.5 Data about boundary conditions . 17
6.5.1 General . 17
6.5.2 Climatic data . 17
6.5.3 Building use schedule and internal temperature. 17
6.5.4 Domestic hot water used . 17
6.6 Converting to delivered and exported energy . 17
6.7 Preparation of data. 18
6.7.1 Reporting raw data . 18
6.7.2 Validating raw data for measured delivered energy normalization . 18
6.8 Interpolation of seasonal measurements . 18
6.8.1 Data preparation . 18
6.8.2 Separating uses and services . 18
6.8.3 Space heating delivered energy correction for indoor temperature and climate . 18
6.8.4 Seasonal values . 19
6.8.5 Interpolation of seasonal delivered energy . 19
6.8.6 Measured specific heat loss Hmeas . 20
6.8.7 Validation criteria . 20
6.9 Energy signature method . 20
6.9.1 Data preparation and rationale of the method . 20
6.9.2 Linear regression in Heating mode . 21
6.9.3 Linear regression in non-heating mode . 21
6.9.4 Heating start external temperature . 21
6.9.5 Estimated internal temperature during heating season . 21
6.9.6 Standardized average power during the heating season . 21
6.9.7 Standardized delivered energy during the heating season . 21
6.9.8 Validation criteria . 22
6.10 Special cases . 22
6.10.1 Introduction. 22
6.10.2 Multi-fuel installations . 22
6.10.3 Heat meters are available . 22
6.10.4 District heating . 22
6.10.5 Variable heat generation efficiency . 22
6.11 Plain reporting. 23
6.12 Exported energy . 23
6.13 Reporting . 23
6.14 Limits of application . 23
6.15 Linear regression sub procedure. 23
6.16 Examples . 23
7 Boiler combustion efficiency . 24
7.1 Output data . 24
7.2 Input data . 24
7.3 Measuring procedure . 24
7.4 Combustion efficiency calculation . 24
7.4.1 General . 24
7.4.2 Sensible heat loss factor α . 24
ch,on
7.4.3 Condensation latent heat recovery factor α .
...