Energy performance of buildings - Building automation, controls and building management - Part 2: Explanation and justification of ISO 52127-1 (ISO/TR 52127-2:2021)

This Technical Report refers to EN 16947-1:2015, Building Management System - Module M10-12.
It contains information to support the correct understanding, use and national adaption of EN 16947-1.
This Technical Report does not contain any normative provision.

Performance énergétique des bâtiments - Automatisation, régulation et gestion technique du bâtiment - Partie 2: Explication et justification de l'ISO 52127-1 (ISO/TR 52127-2:2021)

Energijske lastnosti stavb - Avtomatizacija, regulacija in upravljanje stavb - 2. del: Razlaga in utemeljitev ISO 52127-1 (ISO/TR 52127-2:2021)

General Information

Status
Published
Public Enquiry End Date
03-May-2020
Publication Date
04-Mar-2021
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
25-Feb-2021
Due Date
02-May-2021
Completion Date
05-Mar-2021

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SLOVENSKI STANDARD
01-april-2021
Energijske lastnosti stavb - Avtomatizacija, regulacija in upravljanje stavb - 2. del:
Razlaga in utemeljitev ISO 52127-1 (ISO/TR 52127-2:2021)
Energy performance of buildings - Building automation, controls and building
management - Part 2: Explanation and justification of ISO 52127-1 (ISO/TR 52127-
2:2021)
Performance énergétique des bâtiments - Automatisation, régulation et gestion
technique du bâtiment - Partie 2: Explication et justification de l'ISO 52127-1 (ISO/TR
52127-2:2021)
Ta slovenski standard je istoveten z: CEN ISO/TR 52127-2:2021
ICS:
35.240.67 Uporabniške rešitve IT v IT applications in building
gradbeništvu and construction industry
91.120.10 Toplotna izolacija stavb Thermal insulation of
buildings
97.120 Avtomatske krmilne naprave Automatic controls for
za dom household use
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

CEN ISO/TR 52127-2
TECHNICAL REPORT
RAPPORT TECHNIQUE
February 2021
TECHNISCHER BERICHT
ICS 91.120.10 Supersedes CEN/TR 16947-2:2016
English Version
Energy performance of buildings - Building automation,
controls and building management - Part 2: Explanation
and justification of ISO 52127-1 (ISO/TR 52127-2:2021)
Performance énergétique des bâtiments -
Automatisation, régulation et gestion technique du
bâtiment - Partie 2: Explication et justification de l'ISO
52127-1 (ISO/TR 52127-2:2021)
This Technical Report was approved by CEN on 23 June 2020. 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, 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: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN ISO/TR 52127-2:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (CEN ISO/TR 52127-2:2021) has been prepared by Technical Committee ISO/TC 205
"Building environment design" in collaboration with Technical Committee CEN/TC 247 “Building
Automation, Controls and Building Management” the secretariat of which is held by SNV.
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.
This document supersedes CEN/TR 16947-2:2016.
Endorsement notice
The text of ISO/TR 52127-2:2021 has been approved by CEN as CEN ISO/TR 52127-2:2021 without any
modification.
TECHNICAL ISO/TR
REPORT 52127-2
First edition
2021-02
Energy performance of buildings —
Building automation, controls and
building management —
Part 2:
Explanation and justification of ISO
52127-1
Performance énergétique des bâtiments — Automatisation,
régulation et gestion technique du bâtiment —
Partie 2: Explication et justification de l'ISO 52127-1
Reference number
ISO/TR 52127-2:2021(E)
©
ISO 2021
ISO/TR 52127-2:2021(E)
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2021 – All rights reserved

ISO/TR 52127-2:2021(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 1
5 Method description . 1
5.1 Effect of building automation and control (BAC) and technical building
management (TBM) . 1
5.2 Control strategy . 2
5.3 Rationale. 3
5.4 Time steps . 3
5.4.1 General. 3
5.4.2 Assumption . 3
5.4.3 Data input — Item 1. 3
5.4.4 Simplified input . 4
5.4.5 Calculation information . 4
5.5 List of functions covered by the method. 4
5.5.1 Setpoint management (BMS function 1) . 4
5.5.2 Runtime management (BMS function 2). 5
5.5.3 Sequencing of multiple generators (BMS function 3) . 6
5.5.4 Local energy production and renewable energies (BMS function 4) . 7
5.5.5 Heat recovery and heat shifting (BMS function 5) . 7
5.5.6 Smart grid interactions and peak shaving (BMS function 6) . 8
6 Method selection . 8
7 Information on the accompanying spreadsheet . 8
Bibliography . 9
ISO/TR 52127-2:2021(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 205, Building environment design, in
collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/
TC 247, Building Automation, Controls and Building Management, in accordance with the Agreement on
technical cooperation between ISO and CEN (Vienna Agreement).
A list of all parts in the ISO 52127 series can be found on the ISO website.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2021 – All rights reserved

ISO/TR 52127-2:2021(E)
Introduction
This document consolidates information that is considered important for users to properly understand,
apply and nationally adopt the EPB standards.
The detailed technical rules in CEN/TS 16629 ask for a clear separation 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 should be accompanied by an informative Technical Report, like this
document, where all informative contents are collected.
Table 1 shows the relative position of this document within the EPB set of standards.
ISO/TR 52127-2:2021(E)
vi © ISO 2021 – All rights reserved
Table 1 — Position of this document within the EPB set of standards
Over- Building Technical building system
arching (as such)
Building au-
Sub Ventila- Humidifi- Dehumidi- Domestic PV,
Descriptions Descriptions Descriptions Heating Cooling Lighting tomation and
module tion cation fication hot waters wind…
control
sub1 M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11
1 General General General
Common
terms and
definitions; Building en-
2 Needs
symbols, ergy needs
units and
subscripts
(Free)
Maximum
Indoor con-
3 Application load and
ditions with-
power
out systems
Ways to ex- Ways to ex- Ways to ex-
4 press energy press energy press energy
performance performance performance
Building
Heat transfer
functions Emission
5 by transmis-
and building and control
sion
boundaries
Building oc- Heat transfer
cupancy and by infiltra- Distribution
operating tion and and control
conditions ventilation
Aggregation
of energy
Internal heat Storage and
7 services
gains control
and energy
carriers
Building par- Solar heat Generation
titioning gains and control
NOTE The shaded modules are not applica
...

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