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CEN

EN ISO 11855-1:2021/FprA1:2023

(Amendment)

Building environment design - Embedded radiant heating and cooling systems - Part 1: Definitions, symbols, and comfort criteria - Amendment 1 (ISO 11855-1:2021/FDAM 1:2023)

Building environment design - Embedded radiant heating and cooling systems - Part 1: Definitions, symbols, and comfort criteria - Amendment 1 (ISO 11855-1:2021/FDAM 1:2023)

Umweltgerechte Gebäudeplanung - Flächenintegrierte Strahlungsheiz- und Kühlsysteme - Teil 1: Begriffe, Symbole und Behaglichkeitskriterien - Änderung 1 (ISO 11855-1:2021/FDAM 1:2023)

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Conception de l'environnement des bâtiments - Systèmes intégrés de chauffage et de refroidissement par rayonnement - Partie 1: Définitions, symboles et critères de confort - Amendement 1 (ISO 11855-1:2021/FDAM 1:2023)

Načrtovanje notranjega okolja v stavbah - Vgrajeni sevalni ogrevalni in hladilni sistemi - 1. del: Definicije, simboli in merila za ugodje - Dopolnilo A1 (EN ISO 11855-1:2021/FprA1:2023)

General Information

Status
Not Published
Publication Date
26-Nov-2023
ICS
91.040.01 - Buildings in general
Technical Committee
CEN/TC 228 - Heating systems in buildings
Drafting Committee
CEN/TC 228 - Heating systems in buildings
Current Stage
5060 - Closure of Vote - Formal Approval
Start Date
25-Aug-2023
Completion Date
25-Aug-2023
Ref Project
SIST EN ISO 11855-1:2021/kFprA1:2023 - Building environment design - Embedded radiant heating and cooling systems - Part 1: Definitions, symbols, and comfort criteria - Amendment 1 (EN ISO 11855-1:2021/FprA1:2023)

Relations

Amends
EN ISO 11855-1:2021 - Building environment design - Embedded radiant heating and cooling systems - Part 1: Definitions, symbols, and comfort criteria (ISO 11855-1:2021)
Effective Date
06-Oct-2021

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EN ISO 11855-1:2021/oprA1:2023EN ISO 11855-1:2021/oprA1:2023
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EN ISO 11855-1:2021/oprA1:2023
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This document specifies procedures and conditions to enable the heat flux in water-based surface heating and cooling systems to be determined relative to the medium differential temperature for systems. The determination of thermal performance of water-based surface heating and cooling systems and their conformity to this document is carried out by calculation in accordance with design documents and a model. This enables a uniform assessment and calculation of water-based surface heating and cooling systems.
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This part of ISO 11855 specifies procedures and conditions to enable the heat flow in water based and electrical surface heating and cooling systems to be determined relative to the medium differential temperature for systems. The determination of thermal performance of water based surface heating and cooling systems and their conformity to this part of ISO 11855 is carried out by calculation in accordance with design documents and a model. This should enable a uniform assessment and calculation of water based surface heating and cooling systems.
The surface temperature and the temperature uniformity of the heated/cooled surface, nominal heat flow density between water or electrical heated layer and space, the associated nominal medium differential temperature, and the field of characteristic curves for the relationship between heat flow density and the determining variables are given as the result.
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The ISO 11855 series also applies, as appropriate, to the use of fluids other than water as a heating or cooling medium. The ISO 11855 series is not applicable for testing of systems. The methods do not apply to heated or chilled ceiling panels or beams.
Part 7 of the ISO 11855 series can also be used for electrical heated embedded systems.

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