CEN TR 16946-2-2016 Energy Performance of Buildings - Inspection of Building Automation Controls and Technical Building Management - Part 2 Accompanying TR prEN 16946-1 2015 - Modu.pdf

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1、PD CEN/TR 16946-2:2016Energy Performance ofBuildings Inspectionof Building Automation,Controls and Technical BuildingManagementPart 2: Accompanying TR prEN16946-1:2015 Modules M10-11BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06PD CEN/TR 16946-2:2016 PUBLISHED DOCU

2、MENTNational forewordThis Published Document is the UK implementation of CEN/TR 16946-2:2016.The UK participation in its preparation was entrusted to Technical Committee RHE/16, Performance requirements for control systems.A list of organizations represented on this committee can be obtained on requ

3、est 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 2016. Published by BSI Standards Limited 2016ISBN 978 0 580 92594 8 ICS 97.120 Compliance with a British

4、Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 October 2016.Amendments/corrigenda issued since publicationDate Text affectedPD CEN/TR 16946-2:2016TECHNICAL REPORT RAPPORT TECHNIQUE TE

5、CHNISCHER BERICHT CEN/TR 16946-2 September 2016 ICS 97.120 English Version Energy Performance of Buildings - Inspection of Building Automation, Controls and Technical Building Management - Part 2: Accompanying TR prEN 16946-1:2015 - Modules M10-11 This Technical Report was approved by CEN on 11 Apri

6、l 2016. It has been drawn up by the Technical Committee CEN/TC 247. 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, Ital

7、y, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, 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: Aven

8、ue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. CEN/TR 16946-2:2016 EPD CEN/TR 16946-2:2016CEN/TR 16946-2:2016 (E) 2 Contents Page European foreword . 3 Introduction 4 1 Scope 6 2 Normative reference

9、s 6 3 Terms and definitions . 6 4 BAC audit methodology . 6 4.1 Introduction 6 4.2 Energy flow and mapping of functionality groups of EN 15232 . 7 4.2.1 General 7 4.2.2 Explanation of graphic 7 4.3 Functionality Description 8 4.4 Implementation of Inspection Procedures 8 4.5 Scope 8 5 Classification

10、 Method. 8 5.1 Purpose of Classification 8 5.2 Classification using Points . 8 5.3 Classification influence factors 8 5.4 EN 15232 Classes . 9 Annex A (informative) Example of an inspection system (available through eu.bac.org) . 10 A.1 Introduction . 10 A.2 Detailed description 12 A.2.1 Point Scale

11、 related to Functions . 12 A.2.2 Weights 15 A.2.3 Applications (groups of functions) importance factors 16 A.2.4 Actual importance factor . 17 A.2.5 Importance factors depending on type of building . 17 A.2.6 Sections of functions relative importance . 18 A.2.7 Missing major functionality 19 A.2.8 D

12、ifferent functionality depending on available equipment . 21 A.2.9 Actual Importance of Section 7 Technical building management 21 A.2.10 Different parts of a building and different types of spaces in a building . 21 A.3 Explanation of the POINTS AND CLASS SUMMARY table 22 A.4 eu.bac classification

13、23 A.4.1 AA/A/B/C/D/E 23 Bibliography . 25 PD CEN/TR 16946-2:2016CEN/TR 16946-2:2016 (E) 3 European foreword This document (CEN/TR 16946-2:2016) has been prepared by Technical Committee CEN/TC 247 “Building Automation, Controls and Building Management”, the secretariat of which is held by SNV. Atten

14、tion 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. This document has been prepared under a mandate given to CEN by the European Commission and the European F

15、ree Trade Association. This document is currently divided into the following parts: Inspection of Building Automation, Controls and Technical Building Management Module M10-11 currently at Enquiry stage; Inspection of Building Automation, Controls and Technical Building Management Part 2: Accompanyi

16、ng prEN 16946-1:2015 Modules M10-11 the present Technical Report; currently at Voting stage. PD CEN/TR 16946-2:2016CEN/TR 16946-2:2016 (E) 4 Introduction The CENSE project, the discussion between CEN and the Concerted action highlighted the high page count of the entire package due to a lot of “text

17、book” information. This resulted in flooding and confusing the normative text. A huge amount of informative contents shall indeed be recorded and available for users to properly understand, apply and nationally adapt the EPB standards. The detailed technical rules CEN/TS 16629 ask for a clear separa

18、tion between normative and informative contents: to avoid flooding and confusing the actual normative part with informative content; to reduce the page count of the actual standard; to facilitate understanding of the package. Therefore each EPB standard shall be accompanied by an informative technic

19、al report, like this one, where all informative content is collected. Table 1 shows the relative position of this standard within the EN EPB set of standards. Table 1 Position of this TR within the EPB set of standards Over-arching Building (as such) Technical Building System SubmoduleDescriptionsDe

20、scriptionsDescriptionsHeatingCoolingVentilationHumidificationDehumidificationDomesticHot watersLightingBuildingautomationandcontrolPV, wind, sub1 M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 1 General General General 2 Common terms and definitions; symbols, units and subscripts Building Energy Needs Needs 3 A

21、pplication (Free) Indoor Conditions without Systems Maximum Load and Power 4 Ways to Express Energy Performance Ways to Express Energy Performance Ways to Express Energy Performance 5 Building Functions and Building Boundaries Heat Transfer by Transmission Emission and control 6 Building Occupancy a

22、nd Operating Heat Transfer by Infiltration and Ventilation Distribution and control PD CEN/TR 16946-2:2016CEN/TR 16946-2:2016 (E) 5 Over-arching Building (as such) Technical Building System SubmoduleDescriptionsDescriptionsDescriptionsHeatingCoolingVentilationHumidificationDehumidificationDomesticHo

23、t watersLightingBuildingautomationandcontrolPV, wind, sub1 M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 Conditions 7 Aggregation of Energy Services and Energy Carriers Internal Heat Gains Storage and control 8 Building Partitioning Solar Heat Gains Generation and control 9 Calculated Energy Performance Buildi

24、ng Dynamics (thermal mass) Load dispatching and operating conditions 10 Measured Energy Performance Measured Energy Performance Measured Energy Performance 11 Inspection Inspection Inspection x 12 Ways to Express Indoor Comfort BMS 13 External Environment Conditions 14 Economic Calculation PD CEN/TR

25、 16946-2:2016CEN/TR 16946-2:2016 (E) 6 1 Scope This Technical Report refers to prEN 16946-1, Inspection of Building Automation, Controls and Technical Building Management Module M10-11. It contains information to support the correct understanding, use and national adaption of standard prEN 16946-1:2

26、015. This Technical Report does not contain any normative provision. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated reference

27、s, the latest edition of the referenced document (including any amendments) applies. prEN 16946-1:2015, Inspection of Building Automation, Controls and Technical Building Management Module M10-11 prEN 15232-1:2015, Energy performance of buildings Part 1: Impact of Building Automation, Controls and B

28、uilding Management Modules M10-4,5,6,7,8,9,10 prEN ISO 52000-1:2015, Energy performance of buildings Overarching EPB assessment Part 1: General framework and procedures (ISO/DIS 52000-1:2015) prCEN ISO/TR 52000-2:2014, Energy Performance of buildings Module M1-x Accompanying Technical Report on draf

29、t Overarching standard EPB EN ISO 7345:1995, Thermal insulation - Physical quantities and definitions (ISO 7345:1987) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN ISO 7345:1995, prEN ISO 52000-1:2015 and prEN 16946-1:2015 (the accompanied EPB stand

30、ard) apply. 4 BAC audit methodology 4.1 Introduction Building Automation and Controls including Technical Building Management (BAC) contribute to the performance of buildings. BAC performance has a tendency to decline over time if not actively checked, maintained and adapted to the actual use of the

31、 building (independent of the building type). This performance depends on a number of factors. Some of the factors are: building / space usage changes equipment maintenance and re-commissioning manual interventions and missing “back to “normal” change manual set point adjustments and back to “normal

32、” procedure This technical recommendation describes a methodology to audit “BAC” in any state of its implementation in a building. PD CEN/TR 16946-2:2016CEN/TR 16946-2:2016 (E) 7 An inspection shall: hold all important data for a specific BAC keep track of the inspected BAC portion and its model dat

33、a produces a report (e.g. on paper and/or electronically) acts as base for improvement measures determination 4.2 Energy flow and mapping of functionality groups of EN 15232 4.2.1 General Key The numbers in the boxes are referring the numbers in the functions in prEN 15232-1:2015, Table 4 The differ

34、ent colours are to separate the various flows. Heating: red; cooling: blue; air flow: yellow Figure 1 Principle functions being addressed in prEN 15232-1:2015 4.2.2 Explanation of graphic Energy flow is indicated by lines whereas equipment and its control logic is represented by boxes. The numbers a

35、re referring to the (controls) functional groups in prEN 16946-1:2015, Table 1. Identifying the energy flows in the technical systems is important because efficient functions deliver audit result contributions among the entire energy flow of that particular instance. The colours indicate the various

36、 energy carrier types (e.g. warm water, cold water, air). The graphic might imply that all systems shall be present to perform an audit. This is not the case, Systems are audited according to their existence and functions implemented whereas non existing equipment does not need to be mentioned. Logi

37、c shall identify non-existing equipment and exclude it from the evaluation while applying a correct weighting. PD CEN/TR 16946-2:2016CEN/TR 16946-2:2016 (E) 8 4.3 Functionality Description The functionality of BAC is described in prCEN ISO/TR 52000-2:2014. The generic terms shall be applied as most

38、appropriate since the description is kept at high level to be technology independent. 4.4 Implementation of Inspection Procedures 4.5 Scope The scope of the audit includes controls functions for: Generation of heating and cooling Ventilation Lighting Blinds (Sunlight protection) Domestic Hot Water T

39、echnical Building Management Other systems as defined in the implementation guidelines 5 Classification Method 5.1 Purpose of Classification The main purpose of the classification is to establish a relationship between a set of functions and the capability of energy efficiency for the installed and

40、working BAC functions with its weighted influence. 5.2 Classification using Points A classification that applies the efficiency classes according to the EN Standard would not necessarily allow differentiating the result in a way to use it for e.g. improvement recommendations. A simple method to stre

41、tch the result among e.g. a normalized scale from 0 to 100 shall serve the purpose. Other scales might apply accordingly. In this document the scale of 0 to 100 shall be used as example. Interpreting an audit result using the scale would give a simple analysis method: More points lead to a better ef

42、ficiency of the BAC analysed. 5.3 Classification influence factors The document prEN 16946-1:2015 implies a number of influence factors that need to take into account while assessing a BAC. The factors are: Building type (e.g. office building) Weighting factors of the services among the building ser

43、vices Applicable space regarding e.g. emission functions Energy generation and supply functions supplying above space Desired usage time of above space Schedules of equipment PD CEN/TR 16946-2:2016CEN/TR 16946-2:2016 (E) 9 5.4 EN 15232 Classes The standard assigns efficiency classes per functional g

44、roup in its associated TR. It might be useful depending on the implementation of a specific classification system to determine the EN 15232 classes as well however this can only be done on a per functional group basis. With a complex mix of functionality within the same application a weighted points

45、 value is calculated. The points relate back to EN 15232 functions and are converted to A/B/C/D. This is calculated in such a way that to reach an A, the point score shall be larger than the average of points for A and B, i.e. higher than 2,5, to reach a B it shall be higher than 1,5, etc. According

46、 to the rules of EN 15232 to achieve an A, all applications (groups of functions), e.g. 1.1, 1.2, 1.3 etc., shall be A. So the worst scoring group of functions decides the final classification according to A/B/C/D. However there are some rules included in EN 15232:2012 that allow for missing functio

47、nality and functionality that has no substantial impact (5 %) within the kind of energy used for Heating, Cooling, Ventilation, DHW, Lighting or Blinds. These rules are taken into consideration when calculating the final assessment results. PD CEN/TR 16946-2:2016CEN/TR 16946-2:2016 (E) 10 Annex A (i

48、nformative) Example of an inspection system (available through eu.bac.org) A.1 Introduction The check-list is a Microsoft Excel document to be used by inspectors when performing an audit in a building. The latest version is available from the eu.bac website: system.eubac.org. The document is organiz

49、ed in several sheets in separate tabs: The first SUMMARY tab is used to record basic building information and to present the summary result. It is also where the exception rule of EN 15232 (5 %) may be input. Six tabs are used for the main recording of information from the Building Automation and Control System: Rooms, AHUs, Heating, Cooling, DHW and TBM. The Notes tab should be used to record observations and motivations for specific selections mad

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