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CEN TR 15316-6-3-2017 Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 6-3 Explanation and justification of 153.pdf

1、Energy performance of buildings Method for calculation of system energy requirements and system efficienciesPart 6-3: Explanation and justification of 15316-3, Module M3-6, M4-6, M8-6PD CEN/TR 15316-6-3:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06TECHNICAL RE

2、PORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 15316-6-3 April 2017 ICS 91.120.10; 91.140.10; 91.140.30; 91.140.65 English Version Energy performance of buildings - Method for calculation of system energy requirements and system efficiencies - Part 6-3: Explanation and justification of 15316-3, M

3、odule M3-6, M4-6, M8-6 Performance nergtique des btiments - Mthode de calcul des besoins nergtiques et des rendements des systmes - Partie 6-2 : Explication et justification de lEN 15316-2, Module M3-5, M4-5 Heizungsanlagen und Wasserbasierte Khlanlagen in Gebuden - Verfahren zur Berechnung der Ener

4、gieanforderungen und Nutzungsgrade der Anlagen - Teil 6-3: Begleitende TR zur EN 15316-3 (Wrmeverteilungssysteme fr die Raumheizung (Trinkwarmwasser, Heizen und Khlen) This Technical Report was approved by CEN on 27 February 2017. It has been drawn up by the Technical Committee CEN/TC 228. CEN membe

5、rs 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, Portuga

6、l, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in

7、any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TR 15316-6-3:2017 ENational forewordThis Published Document is the UK implementation of CEN/TR 15316-6-3:2017.The UK participation in its preparation was entrusted to Technical Committee RHE/24, Central heating insta

8、llations.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published by B

9、SI Standards Limited 2017ISBN 978 0 580 95254 8ICS 91.120.10; 91.140.65; 91.140.10; 91.140.30Compliance with a British Standard cannot confer immunity from legal obligations.This Published Document was published under the authority of the Standards Policy and Strategy Committee on 31 August 2017.Ame

10、ndments/corrigenda issued since publicationDate Text affected PUBLISHED DOCUMENTPD CEN/TR 15316-6-3:2017TECHNICAL REPORT RAPPORT TECHNIQUE TECHNISCHER BERICHT CEN/TR 15316-6-3 April 2017 ICS 91.120.10; 91.140.10; 91.140.30; 91.140.65 English Version Energy performance of buildings - Method for calcu

11、lation of system energy requirements and system efficiencies - Part 6-3: Explanation and justification of 15316-3, Module M3-6, M4-6, M8-6 Performance nergtique des btiments - Mthode de calcul des besoins nergtiques et des rendements des systmes - Partie 6-2 : Explication et justification de lEN 153

12、16-2, Module M3-5, M4-5 Heizungsanlagen und Wasserbasierte Khlanlagen in Gebuden - Verfahren zur Berechnung der Energieanforderungen und Nutzungsgrade der Anlagen - Teil 6-3: Begleitende TR zur EN 15316-3 (Wrmeverteilungssysteme fr die Raumheizung (Trinkwarmwasser, Heizen und Khlen) This Technical R

13、eport 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,

14、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 COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE

15、 FR 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 worldwide for CEN national Members. Ref. No. CEN/TR 15316-6-3:2017 EPD CEN/TR 15316-6-3:2017CEN/TR 15316-6-3:2017 (E) 2 Contents Page European forewo

16、rd . 4 Introduction 5 1 Scope 6 2 Normative references 6 3 Terms and definitions . 6 4 Symbols and abbreviations . 6 4.1 Symbols . 6 4.2 Subscripts . 7 5 Information on the methods . 7 6 Method description 8 6.1 Thermal loss calculation and auxiliary energy in distribution systems . 8 6.1.1 Basic pr

17、inciples 8 6.1.2 Ribbon heater in DHW distribution systems . 12 6.1.3 Auxiliary energy calculation 12 6.1.4 Recoverable and recovered auxiliary energy 16 6.1.5 Calculation of linear thermal resistance . 17 6.1.6 Time steps . 18 6.1.7 Assumptions . 18 6.1.8 Data input . 18 6.1.9 Simplified input 18 7

18、 Input correlations to the length of pipes in zones (buildings) 19 7.1 Introduction . 19 7.2 Network for space heating and space cooling systems 19 7.2.1 Sections 19 7.2.2 Input data to the correlation 20 7.2.3 Correlations 20 7.2.4 Boundary conditions . 21 7.3 Network for domestic hot water systems

19、 21 7.3.1 Sections 21 7.3.2 Input data to the correlation 22 7.3.3 Correlations 22 7.3.4 Boundary conditions . 23 8 Input correlations to linear thermal transmittance of pipes in zones (buildings) 23 8.1 Introduction . 23 8.2 Network for space heating, space cooling and domestic hot water systems 24

20、 8.2.1 Sections 24 8.2.2 Correlations 24 9 Input correlations to constants for distribution pumps 25 9.1 Introduction . 25 9.2 Constants for the calculation of the expenditure energy factor of distribution pumps . 25 10 Input correlations to additional resistances and resistance ratio . 26 10.1 Intr

21、oduction . 26 10.2 Network for space heating, space cooling and domestic hot water systems 26 PD CEN/TR 15316-6-3:2017CEN/TR 15316-6-3:2017 (E) 3 10.2.1 Correlations for pressure loss per length 26 10.2.2 Correlations for resistance ratio . 26 10.2.3 Correlations additional resistances . 27 10.2.4 I

22、nput correlations factor for recoverable auxiliary energy 27 11 Worked out examples - Calculation details . 27 12 Application range . 27 12.1 Energy performance 27 12.1.1 Thermal expenditure energy factor. 27 12.1.2 Primary energy related expenditure energy factor . 28 12.2 Energy certificate 28 12.

23、3 Inspection 28 12.4 Building or system complexity 28 13 Regulation use . 28 14 Quality issues . 28 Annex A (informative) Calculation example . 29 Annex B (informative) Data catalogue example . 39 Bibliography . 40 PD CEN/TR 15316-6-3:2017CEN/TR 15316-6-3:2017 (E) 4 European foreword This document (

24、CEN/TR 15316-6-3:2017) has been prepared by Technical Committee CEN/TC 228 “Heating systems and water based cooling systems in buildings”, the secretariat of which is held by DIN. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Asso

25、ciation. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. PD CEN/TR 15316-6-3:2017CEN/TR 15316-6-3:2017 (E) 5 Introduction The set of EPB standards, t

26、echnical reports and supporting tools In order to facilitate the necessary overall consistency and coherence, in terminology, approach, input/output relations and formats, for the whole set of EPB-standards, the following documents and tools are available: a) a document with basic principles to be f

27、ollowed in drafting EPB-standards: CEN/TS 16628:2014, Energy Performance of Buildings - Basic Principles for the set of EPB standards 1; b) a document with detailed technical rules to be followed in drafting EPB-standards; CEN/TS 16629:2014, Energy Performance of Buildings - Detailed Technical Rules

28、 for the set of EPB-standards 2; c) the detailed technical rules are the basis for the following tools: 1) a common template for each EPB-standard, including specific drafting instructions for the relevant clauses; 2) a common template for each technical report that accompanies an EPB standard or a

29、cluster of EPB standards, including specific drafting instructions for the relevant clauses; 3) a common template for the spreadsheet that accompanies each EPB standard, to demonstrate the correctness of the EPB calculation procedures. Each EPB-standards follows the basic principles and the detailed

30、 technical rules and relates to the overarching EPB-standard, EN ISO 52000-1 3. One of the main purposes of the revision of the EPB-standards is to enable that laws and regulations directly refer to the EPB-standards and make compliance with them compulsory. This requires that the set of EPB-standar

31、ds consists of a systematic, clear, comprehensive and unambiguous set of energy performance procedures. The number of options provided is kept as low as possible, taking into account national and regional differences in climate, culture and building tradition, policy and legal frameworks (subsidiari

32、ty principle). For each option, an informative default option is provided (Annex B). Rationale behind the EPB technical reports There is a risk that the purpose and limitations of the EPB standards will be misunderstood, unless the background and context to their contents and the thinking behind the

33、m is explained in some detail to readers of the standards. Consequently, various types of informative contents are recorded and made available for users to properly understand, apply and nationally or regionally implement the EPB standards. If this explanation would have been attempted in the standa

34、rds themselves, the result is likely to be confusing and cumbersome, especially if the standards are implemented or referenced in national or regional building codes. Therefore each EPB standard is accompanied by an informative technical report, like this one, where all informative content is collec

35、ted, to ensure a clear separation between normative and informative contents (see CEN/TS 16629 2): to avoid flooding and confusing the actual normative part with informative content; to reduce the page count of the actual standard; and to facilitate understanding of the set of EPB standards. This wa

36、s also one of the main recommendations from the European CENSE project 5 that laid the foundation for the preparation of the set of EPB standards. PD CEN/TR 15316-6-3:2017CEN/TR 15316-6-3:2017 (E) 6 1 Scope This Technical Report refers to standard EN 15316-3, modules Space Distribution Systems Modul

37、e M3-6 heating / M4-6 cooling / M8-6 domestic hot water It contains information to support the correct understanding, use and national adaptation of standard EN 15316-3. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispens

38、able for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 15316-3, Energy performance of buildings - Method for calculation of system energy requirements and system effi

39、ciencies - Part 3: Space distribution systems (DHW, heating and cooling), Module M3-6, M4-6, M8-6 EN ISO 7345:1995, Thermal insulation - Physical quantities and definitions (ISO 7345:1987) EN ISO 52000-1:2017, Energy performance of buildings - Overarching EPB assessment - Part 1: General framework a

40、nd 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 52000-1:2017 and the following apply. 3.1 tapping profile depending on the definition in M8-3 3.2 setback operation Mode for pumps at the end of sch

41、eduled usage time 3.3 boost operation Mode for pumps before the begin of scheduled usage time 4 Symbols and abbreviations 4.1 Symbols For the purposes of this Technical Report, the symbols given in EN ISO 52000-1:2017, in EN 15316-3 (the accompanied EPB standard) and the specific symbols listed in T

42、able 1 apply. Table 1 Specific symbols and units Symbol Name of quantity Unit nTapTapping profile 1/h PD CEN/TR 15316-6-3:2017CEN/TR 15316-6-3:2017 (E) 7 4.2 Subscripts For the purposes of this Technical Report, subscripts given in EN ISO 52000-1:2017, in EN 15316-3 and the specific subscripts liste

43、d in Table 2 apply. Table 2 Specific Subscripts boost Boost heating dis Distribution WX,dis,auxOperation mode setb Setback mode dis Distribution WX,dis,auxOperation mode nom nominal heat loss dis Distribution Qw,dis,nomstub open circuited stubs dis Distribution QW,dis,stub5 Information on the method

44、s The calculation of the thermal losses of pipes is well known and is used in this standard as a simplified model without any dynamic aspects like heat capacity of the pipes und changing of transfer coefficients. It is always taken into account that within a time step the heat flux from the mean wat

45、er temperature in the pipe to the surrounding room is constant. In closed circuits like for space heating and space cooling the mean supply and mean return temperature within a time step is constant. In open circuits like in domestic hot water systems with a circulation loop the open circuited stubs

46、 the temperature drops down depending on the time after a tapping. The calculation method in this standard allows calculating the temperature after the last tapping and then a mean temperature in this period without tapping. Because of the problem that the time after a tapping is mostly not known th

47、e calculation method in this standard allows calculating the mean temperature directly as an approximation depending on the thermal linear resistance. In domestic hot water systems without a circulation loop the thermal loss of the hot water pipes in total can be calculated like open circuited stubs

48、 either with the detailed calculation of the temperature after the last tapping or with the approximation of the mean temperature depending on the thermal linear resistance. As long as the tapping profile only gives the number of tappings per day it is not possible to determine the time after the la

49、st tapping. Therefore the approximation should prefer. The calculation of the thermal resistance for insulated or not insulated pipes is well known and is given in this standard for the most relevant cases. Depending on national regulations often minimum values of thermal resistances are postulated so that in the standard values for the most relevant cases in the pipe sections are given. The equations in the standard refer to the length of the pipes in the corresponding section of the network. If the length of the pipes is k

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