Building environment design - Embedded radiant heating and cooling systems - Part 4: Dimensioning and calculation of the dynamic heating and cooling capacity of Thermo Active Building Systems (TABS) (ISO 11855-4:2021)

This document allows the calculation of peak cooling capacity of Thermo Active Building Systems
(TABS), based on heat gains, such as solar gains, internal heat gains, and ventilation, and the calculation
of the cooling power demand on the water side, to be used to size the cooling system, as regards the
chiller size, fluid flow rate, etc.
This document defines a detailed method aimed at the calculation of heating and cooling capacity in
non-steady state conditions.

Umweltgerechte Gebäudeplanung - Flächenintegrierte Strahlheizungs- und -kühlsysteme - Teil 4: Auslegung und Berechnung der dynamischen Wärme- und Kühlleistung für thermoaktive Bauteilsysteme (TABS) (ISO 11855-4:2021)

Dieses Dokument ermöglicht die Berechnung der Spitzenkühlleistung thermoaktiver Bauteilsysteme (TABS) auf der Grundlage von Wärmeeinträgen, wie solaren Wärmeinträgen, internen Wärmeeinträgen und Lüftung, sowie in Hinblick auf Kühlergröße, Flüssigkeitsstrom usw. die Berechnung des wasserseitigen Bedarfs an Kühlleistung, die für das System vorgesehen ist.
In diesem Dokument wird ein detailliertes Verfahren für die Berechnung der Heiz  und Kühlleistung bei nichtstationären Bedingungen festgelegt.

Conception de l'environnement des bâtiments - Systèmes intégrés de chauffage et de refroidissement par rayonnement - Partie 4: Dimensionnement et calculs relatifs au chauffage adiabatique et à la puissance frigorifique pour systèmes d'éléments de construction thermoactifs (TABS) (ISO 11855-4:2021)

Le présent document permet de calculer la puissance frigorifique de pointe de systèmes thermoactifs (TABS) en se fondant sur les apports de chaleur, tels que les apports solaires, les apports de chaleur internes et la ventilation, ainsi que de calculer la demande en puissance frigorifique côté eau, afin de les utiliser pour dimensionner le système de refroidissement en ce qui concerne les dimensions du refroidisseur, le débit de fluide, etc.
Le présent document présente une méthode détaillée visant à calculer la puissance calorifique et frigorifique dans des conditions non stabilisées.

Načrtovanje notranjega okolja v stavbah - Vgrajeni sevalni ogrevalni in hladilni sistemi - 4. del: Dimenzioniranje in izračun zmogljivosti dinamičnega ogrevanja in hlajenja toplotno-aktivnih delov stavbe (TABS) (ISO 11855-4:2021)

Ta dokument omogoča izračun konične zmogljivosti hlajenja termoaktivnih gradbenih sistemov
(TABS) na podlagi toplotnih dobitkov, npr. dobitkov sončnega sevanja, dobitkov notranjih virov toplote, in prezračevanja ter izračun
zahteve glede moči hlajenja v zvezi z vodo, ki se uporablja za ocenjevanje hladilnega sistema v smislu velikosti
naprave za hlajenje, hitrosti pretoka tekočine itd.
Ta dokument določa podrobno metodo za izračun zmogljivosti ogrevanja in hlajenja v
neustaljenih pogojih.

General Information

Status
Published
Public Enquiry End Date
02-Jun-2020
Publication Date
04-Oct-2021
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
13-Sep-2021
Due Date
18-Nov-2021
Completion Date
05-Oct-2021

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Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN ISO 11855-4:2021
01-november-2021
Nadomešča:
SIST EN ISO 11855-4:2015
Načrtovanje notranjega okolja v stavbah - Vgrajeni sevalni ogrevalni in hladilni
sistemi - 4. del: Dimenzioniranje in izračun zmogljivosti dinamičnega ogrevanja in
hlajenja toplotno-aktivnih delov stavbe (TABS) (ISO 11855-4:2021)
Building environment design - Embedded radiant heating and cooling systems - Part 4:
Dimensioning and calculation of the dynamic heating and cooling capacity of Thermo
Active Building Systems (TABS) (ISO 11855-4:2021)
Umweltgerechte Gebäudeplanung - Flächenintegrierte Strahlheizungs- und -
kühlsysteme - Teil 4: Auslegung und Berechnung der dynamischen Wärme- und
Kühlleistung für thermoaktive Bauteilsysteme (TABS) (ISO 11855-4:2021)
Conception de l'environnement des bâtiments - Systèmes intégrés de chauffage et de
refroidissement par rayonnement - Partie 4: Dimensionnement et calculs relatifs au
chauffage adiabatique et à la puissance frigorifique pour systèmes d'éléments de
construction thermoactifs (TABS) (ISO 11855-4:2021)
Ta slovenski standard je istoveten z: EN ISO 11855-4:2021
ICS:
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
91.140.30 Prezračevalni in klimatski Ventilation and air-
sistemi conditioning systems
SIST EN ISO 11855-4:2021 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 11855-4:2021

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SIST EN ISO 11855-4:2021


EN ISO 11855-4
EUROPEAN STANDARD

NORME EUROPÉENNE

September 2021
EUROPÄISCHE NORM
ICS 91.040.01 Supersedes EN ISO 11855-4:2015
English Version

Building environment design - Embedded radiant heating
and cooling systems - Part 4: Dimensioning and calculation
of the dynamic heating and cooling capacity of Thermo
Active Building Systems (TABS) (ISO 11855-4:2021)
Conception de l'environnement des bâtiments - Umweltgerechte Gebäudeplanung - Flächenintegrierte
Systèmes intégrés de chauffage et de refroidissement Strahlheizungs- und -kühlsysteme - Teil 4: Auslegung
par rayonnement - Partie 4: Dimensionnement et und Berechnung der dynamischen Wärme- und
calculs relatifs au chauffage adiabatique et à la Kühlleistung für thermoaktive Bauteilsysteme (TABS)
puissance frigorifique pour systèmes d'éléments de (ISO 11855-4:2021)
construction thermoactifs (TABS) (ISO 11855-4:2021)
This European Standard was approved by CEN on 29 July 2021.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

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. EN ISO 11855-4:2021 E
worldwide for CEN national Members.

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SIST EN ISO 11855-4:2021
EN ISO 11855-4:2021 (E)
Contents Page
European foreword . 3

2

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SIST EN ISO 11855-4:2021
EN ISO 11855-4:2021 (E)
European foreword
This document (EN ISO 11855-4:2021) has been prepared by Technical Committee ISO/TC 205
"Building environment design" in collaboration with Technical Committee CEN/TC 228 “Heating
systems and water based cooling systems in buildings” the secretariat of which is held by DIN.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2022, and conflicting national standards shall
be withdrawn at the latest by March 2022.
Attention is drawn to the possibility that some of the elements of t
...

SLOVENSKI STANDARD
oSIST prEN ISO 11855-4:2020
01-maj-2020
Načrtovanje okolja v stavbah - Vgrajeni hladilni in ogrevalni sistemi - 4. del:
Dimenzioniranje in izračun zmogljivosti dinamičnega ogrevanja in hlajenja
termoaktivnega gradbenega sistema (TAGS) (ISO/DIS 11855-4:2020)
Building environment design - Embedded radiant heating and cooling systems - Part 4:
Dimensioning and calculation of the dynamic heating and cooling capacity of Thermo
Active Building Systems (TABS) (ISO/DIS 11855-4:2020)
Umweltgerechte Gebäudeplanung - Flächenintegrierte Strahlheizungs- und -
kühlsysteme - Teil 4: Auslegung und Berechnung der dynamischen Wärme- und
Kühlleistung für thermoaktive Bauteilsysteme (TABS) (ISO/DIS 11855-4:2020)
Conception de l'environnement des bâtiments - Systèmes intégrés de chauffage et de
refroidissement par rayonnement - Partie 4: Dimensionnement et calculs relatifs au
chauffage adiabatique et à la puissance frigorifique pour systèmes thermoactifs (TABS)
(ISO/DIS 11855-4:2020)
Ta slovenski standard je istoveten z: prEN ISO 11855-4
ICS:
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
91.140.30 Prezračevalni in klimatski Ventilation and air-
sistemi conditioning systems
oSIST prEN ISO 11855-4:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN ISO 11855-4:2020

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oSIST prEN ISO 11855-4:2020
DRAFT INTERNATIONAL STANDARD
ISO/DIS 11855-4
ISO/TC 205 Secretariat: ANSI
Voting begins on: Voting terminates on:
2020-03-16 2020-06-08
Building environment design — Embedded radiant heating
and cooling systems —
Part 4:
Dimensioning and calculation of the dynamic heating and
cooling capacity of Thermo Active Building Systems (TABS)
Conception de l'environnement des bâtiments — Systèmes intégrés de chauffage et de refroidissement par
rayonnement —
Partie 4: Dimensionnement et calculs relatifs au chauffage adiabatique et à la puissance frigorifique pour
systèmes thermoactifs (TABS)
ICS: 91.040.01
THIS DOCUMENT IS A DRAFT CIRCULATED
This document is circulated as received from the committee secretariat.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
ISO/CEN PARALLEL PROCESSING
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 11855-4:2020(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2020

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oSIST prEN ISO 11855-4:2020
ISO/DIS 11855-4:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
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
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Published in Switzerland
ii © ISO 2020 – All rights reserved

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oSIST prEN ISO 11855-4:2020
ISO/DIS 11855-4:2020(E)

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions .
...

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