ISO 18566-1:2017

Building environment design — Design, test methods and control of hydronic radiant heating and cooling panel systems — Part 1: Vocabulary, symbols, technical specifications and requirements

ISO 18566-1:2017 specifies the design, test conditions and methods for the determination of the cooling and heating capacity and control of radiant heating and cooling panels with an open air gap. This document applies to all types of prefabricated radiant panels that are part of the room periphery such as ceiling, walls and floor. ISO 18566-1:2017 is applicable to water-based heating and cooling panel systems (free hanging) in residential, commercial and industrial buildings. The methods apply to systems mounted to the wall, floor or ceiling construction with an open air gap. ISO 18566-1:2017 does not cover panels embedded into ceiling, wall or floor structures and hybrid (combined thermal radiation and forced-convection) ceiling panels. ISO 18566-1:2017 specifies the definition, symbols, comfort criteria, technical specifications and requirements of ceiling mounted radiant panels.

Conception de l'environnement des bâtiments — Conception, méthodes d'essai et contrôle des systèmes de panneaux hydroniques radiants de chauffage et de refroidissement — Partie 1: Vocabulaire, symboles, spécifications techniques et exigences

General Information

• Status: Published
• Publication Date: 12-Jul-2017
• ICS: 91.040.01 - Buildings in general
• Technical Committee: ISO/TC 205 - Building environment design
• Drafting Committee: ISO/TC 205/WG 8 - Radiant heating and cooling systems
• Current Stage: 9093 - International Standard confirmed
• Start Date: 07-Mar-2023
• Completion Date: 07-Mar-2023

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 18566-1
First edition
2017-06
Building environment design —
Design, test methods and control of
hydronic radiant heating and cooling
panel systems —
Part 1:
Vocabulary, symbols, technical
specifications and requirements
Conception de l’environnement des bâtiments — Conception,
méthodes d’essai et contrôle des systèmes de panneaux hydroniques
radiants de chauffage et de refroidissement —
Partie 1: Vocabulaire, symboles, spécifications techniques et exigences
Reference number
©
ISO 2017
© ISO 2017, Published in Switzerland
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
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ii © ISO 2017 – All rights reserved

Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 6
5 Comfort criteria . 9
5.1 General . 9
5.2 Radiant temperature asymmetry .10
5.3 Vertical air temperature difference .11
6 Technical specifications and requirements .12
6.1 Technical specifications and installation .12
6.1.1 Major types of radiant panels .12
6.1.2 Specification . .13
6.1.3 Installation .15
6.2 Technical performance .16
6.2.1 Thermal performance .16
6.2.2 Hydronic performance .16
6.2.3 Acoustic performance .16
6.3 Safety .16
6.3.1 Durability of the panel system .16
6.3.2 Indoor environment impact .17
6.4 Maintenance of conformity .17
Annex A (informative) Descriptions of different types of radiant heating and cooling
ceiling panels.19
Annex B (informative) Example of panel information sheet .25
Bibliography .26
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 on 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 the following
URL: w w w . i s o .org/ iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 205, Building environment design.
A list of all parts in the ISO 18566 series can be found on the ISO website.
iv © ISO 2017 – All rights reserved

Introduction
The radiant heating and cooling system consists of heat emitting/absorbing, heat supply, distribution,
and control systems. Typical applications are low temperature radiant heating and high temperature
radiant cooling. They are classified as embedded radiant heating and cooling systems and prefabricated
radiant heating and cooling panel systems.
While ISO 11855 is for embedded radiant heating and cooling systems without an open air gap,
ISO 18566 is for radiant heating and cooling panel systems with an open air gap. Because the system
specifications for ISO 18566 are different from those of ISO 11855, it was necessary to develop separate
ISO standards regarding the design and test methods of the cooling and heating capacity and control.
ISO 18566-1 specifies the comfort criteria, technical specifications and requirements which should be
considered in the manufacturing and installation of radiant heating and cooling systems. ISO 18566-2
provides the test facility and test method for heating and cooling capacity of ceiling mounted radiant
panels. ISO 18566-3 specifies the design considerations and design processes of ceiling mounted radiant
panels. ISO 18566-4 addresses the control of ceiling mounted radiant heating and cooling panels to
ensure the maximum performance which was intended in the design stage when the system is actually
being operated in a building.
ISO 18566 does not cover the panels that are embedded into the ceiling, wall or floor structure.
This document is partly based on EN 14240, EN 14037 and ASNI/ASHRAE Standard 138.
INTERNATIONAL STANDARD ISO 18566-1:2017(E)
Building environment design — Design, test methods and
control of hydronic radiant heating and cooling panel
systems —
Part 1:
Vocabulary, symbols, technical specifications and
requirements
1 Scope
This document specifies the design, test conditions and methods for the determination of the cooling
and heating capacity and control of radiant heating and cooling panels with an open air gap. This
document applies to all types of prefabricated radiant panels that are part of the room periphery such
as ceiling, walls and floor.
This document is applicable to water-based heating and cooling panel systems (free hanging) in
residential, commercial and industrial buildings. The methods apply to systems mounted to the wall,
floor or ceiling construction with an open air gap.
This document does not cover panels embedded into ceiling, wall or floor structures and hybrid
(combined thermal radiation and forced-convection) ceiling panels.
This document specifies the definition, symbols, comfort criteria, technical specifications and
requirements of ceiling mounted radiant panels.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 18566-2, Building environment design — Design, test methods and control of hydronic radiant heating
and cooling panel systems — Part 2: Determination of heating and cooling capacity of ceiling mounted
radiant panels
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at http:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1
active length of the ceiling mounted radiant panel
length of the usable heating or cooling panel with identical cross section and without connection
components and covers, which are bonded together with the water flow components
3.2
active surface of the ceiling mounted radiant panel
lower panel surface, of which the lateral edges are not included
3.3
asymmetric feature
difference between the plane radiant temperature of the two opposite sides of a small plane element
3.4
average unconditioned surface temperature
AUST
mean temperature value of the uncontrolled surfaces
3.5
breaking load
minimum breaking force, in kilonewtons, which is the lowest breaking strain of the rope when tested
to destruction
3.6
building management system
BMS
computer-based system installed in buildings that controls and monitors the building’s mechanical
and electrical equipment such as heating, cooling, ventilating, lighting, power, disaster prevention, and
security systems
3.7
characteristic equation
equation that gives the thermal output and cooling capacity as a function of the temperature difference
at constant water flow rate
3.8
connection component
any other component attached to the active length of the ceiling mounted radiant panel which is used
for connecting to the distribution system or for venting and draining
3.9
construction dimension
dimension of ceiling mounted radiant panel after installation inside the test booth
3.10
construction length
length of the ceiling mounted radiant panel including the collectors/headers but excluding the
connecting pieces to the heating pipe work
3.11
dedicated outdoor air system
DOAS
type of heating, ventilation and air-conditioning (HVAC) system that consists of two parallel systems:
a dedicated outdoor air ventilation system that handles latent loads and a parallel system to handle
sensible loads
3.12
dimensions of non-circular pipes
shape and all dimensions necessary to describe exactly the cross section of the pipe
3.13
direct heating or cooling surface
portion of the heating or cooling surface of the panel which is in contact with the water
2 © ISO 2017 – All rights reserved

3.14
distance between pipes
distance between the centre lines of two pipes in pa
...