CEN/TR 15316-6-4:2017

SLOVENSKI STANDARD
01-maj-2018
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Energy performance of buildings - Method for calculation of system energy requirements
and system efficiencies - Part 6-4: Explanation and justification of EN 15316-4-1, Module
M3-8-1, M8-8-1
Heizungsanlagen und Wasserbasierte Kühlanlagen in Gebäuden - Verfahren zur
Berechnung der Energieanforderungen und Nutzungsgrade der Anlagen - Teil 6-4:
Begleitender TR zur EN 15316-4-1 (Wärmeerzeugung für die Raumheizung und
Trinkwarmwasser, Verbrennungssysteme (Heizungskessel, Biomasse))
Performance énergétique des bâtiments - Méthode de calcul des besoins énergétiques
et des rendements des systèmes - Partie 6-4 : Explication et justification de l'EN 15316-4
-1, Module M3-8-1, M8-8-1
Ta slovenski standard je istoveten z: CEN/TR 15316-6-4:2017
ICS:
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
91.140.65 Oprema za ogrevanje vode Water heating equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN/TR 15316-6-4
TECHNICAL REPORT
RAPPORT TECHNIQUE
April 2017
TECHNISCHER BERICHT
ICS 91.120.10; 91.140.10; 91.140.65
English Version
Energy performance of buildings - Method for calculation
of system energy requirements and system efficiencies -
Part 6-4: Explanation and justification of EN 15316-4-1,
Module M3-8-1, M8-8-1
Performance énergétique des bâtiments - Méthode de Heizungsanlagen und Wasserbasierte Kühlanlagen in
calcul des besoins énergétiques et des rendements des Gebäuden - Verfahren zur Berechnung der
systèmes - Partie 6-4 : Explication et justification de Energieanforderungen und Nutzungsgrade der
l'EN 15316-4-1, Module M3-8-1, M8-8-1 Anlagen - Teil 6-4: Begleitender TR zur EN 15316-4-1
(Wärmeerzeugung für die Raumheizung und
Trinkwarmwasser, Verbrennungssysteme
(Heizungskessel, Biomasse))
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 15316-6-4:2017 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
3.1 Terms . 7
3.2 Symbols . 7
3.3 Abbreviations and indices . 7
4 Description of the method . 7
4.1 Output of the method . 7
4.1.1 Description . 7
4.1.2 Example . 8
4.2 General description of the method . 9
4.3 Input data . 9
4.3.1 Description . 9
4.3.2 Example . 13
4.4 Boundaries between distribution and generation sub-system . 13
4.5 Default values . 15
4.5.1 Default values for generator efficiency at full load and intermediate load as a
function of the generator power output . 15
4.5.2 Default value for the stand-by heat losses f gen;ls;P0 as a function of the generator power
output . 16
4.5.3 Auxiliary energy . 16
4.6 Product values . 17
4.7 Measured values . 17
4.7.1 Boiler efficiencies from measured values . 17
4.7.2 Measured total thermal losses, power input and calculated gains . 18
4.7.3 Additional default data and calculation for condensing boilers . 18
4.7.4 Thermal losses through the chimney with the burner on at full load fch;on . 20
4.7.5 Thermal losses through the generator envelope fgen;env . 20
4.7.6 Thermal losses through the chimney with the burner off fch;off . 21
4.8 Boiler rated output . 21
5 Generation sub-system basic energy balance . 21
5.1 Heat balance . 21
5.2 Expenditure factor . 22
5.3 Fuel heat input . 23
5.3.1 Description . 23
5.3.2 Example . 23
5.4 Generator auxiliary energy . 24
5.4.1 Description . 24
5.4.2 Example . 24
5.5 Generator losses . 24
5.5.1 Generator loss . 24
5.5.2 Generator thermal loss at specific load ratio βH;gen and power output PPx . 24
5.5.3 Generator thermal loss calculation at full load . 25
5.5.4 Generator thermal loss calculation at intermediate load . 27
5.5.5 Generator thermal loss calculation at 0 % load . 28
5.5.6 Correction factor by additional tests . 29
5.6 Recoverable thermal losses . 29
5.6.1 general . 29
5.6.2 Generator thermal losses through the jacket (generator envelope) . 30
5.6.3 Recoverable thermal losses out of auxiliary energy . 30
5.7 Recovered auxiliary energy . 31
5.7.1 Description . 31
5.7.2 Example . 31
5.8 Auxiliary energy . 32
5.8.1 Description . 32
5.8.2 Example . 32
5.9 Generator thermal output . 33
5.10 Heating time and load factor . 33
5.11 Direct heated DHW heaters . 34
5.11.1 Instantaneous electrical water heater . 34
5.11.2 Instantaneous gas water heater . 34
5.11.3 Gas-fired domestic storage water heaters . 34
5.12 Method for domestic hot water appliance, tested with 24 hours tapping cyclies . 37
Annex A (informative) Additional formulas and default values for parametering the boiler
efficiency method . 39
A.1 Information on the method . 39
A.2 Conversion of the energy content of energy carriers . 45
A.3 Deviation from default values . 45
A.4 Fuel constants for flue gas measurement depending on Siegert constants . 45
A.5 Default values for calculation of thermal losses through the chimney with the burner
off . 47
A.6 Additional default data and calculation for condensing boilers . 48
A.7 Additional default data for generator output and losses . 49
A.8 Additional default data and calculation for water heaters. 49
Annex B (informative) Additional formulas and default values for parametering the boiler
efficiency method .
...