ISO 18566-6:2019 PDF

Building environment design — Design, test methods and control of hydronic radiant heating and cooling panel systems — Part 6: Input parameters for the energy calculation

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Title (English):

ISO 18566-6:2019

Building environment design — Design, test methods and control of hydronic radiant heating and cooling panel systems — Part 6: Input parameters for the energy calculation

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 6
Publication date:: August 22, 2019
Edition:: ISO IS 18566 edition 1 version 1
ICS:: 91.040.01

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Description (English):

This document establishes guidelines for the determination of input parameters for ceiling mounted radiant heating and cooling panels in relation to ISO 52031. The requirements specified by this document are applicable only to the components of the heating/cooling systems and the elements which are part of the heating/cooling panels and which are installed to provide heating and/or cooling. This document is applicable to water-based ceiling mounted radiant heating and cooling panels in residential, commercial and industrial buildings. The methods apply to systems mounted under the ceiling with an open air gap between the panels and the ceiling. This document also applies, as appropriate, to the use of fluids other than water as a heating or cooling medium. This document is also applicable for testing of systems. The methods do not apply to heated or chilled ceiling beams.

Technical details

Technical committee: ISO/TC 205 - Building environment design
SKU: ISO 18566-6:2019

Abstract

Overview

ISO 18566-6:2019 is part of the ISO 18566 series and defines input parameters for energy calculations of ceiling-mounted hydronic radiant heating and cooling panel systems. It provides guidelines to determine product-specific data used in energy performance calculations in relation to ISO 52031. The standard applies to water-based, ceiling-mounted radiant panels with an open air gap (not embedded systems or chilled/heated ceiling beams) and is suitable for residential, commercial and industrial buildings. It is also applicable for laboratory testing of these systems.

Key topics and technical requirements

Scope and applicability: Ceilings with an open air gap; water-based hydronic panels; also applicable to other heat-transfer fluids where appropriate. Excludes embedded systems and ceiling beams.
Classification: Defines two product types used in calculation:
- Type 1: Systems with more than one covering layer above pipes.
- Type 2: Ceiling-mounted water-based radiator systems.
Input parameter methods: Presents procedures to derive parameters required by ISO 52031, including:
- Determination of specific heat capacity of the emission system (used to correct default ISO 52031 values).
- Calculation of a correction coefficient (C) and a related Δθ correction for intermittent or dynamic behavior.
- Use of tabulated coefficients A and B (given per installation/orientation) to compute dynamic temperature variation corrections for heating and cooling cases. Example values in the standard include A ≈ 0.037 and B ≈ −1.45 for ceiling heating (with mirrored signs for cooling); a separate set (A ≈ 0.0034, B ≈ −0.11) is given for ceiling-mounted radiator systems.
Formulas and worked example: Includes formulae (referenced as Formulae 6–9) and an informative calculation example (Annex A) demonstrating the method.

Practical applications and users

HVAC and building services engineers: to supply accurate product input data for system energy modelling and compliance with ISO 52031.
Manufacturers of radiant panels: to define and document product characteristic values and to support energy labels or datasheets.
Test laboratories: to perform and report tests for energy calculation inputs and to verify dynamic behavior.
Energy modelers and compliance assessors: to integrate corrected emission product parameters into building performance simulations and EPB assessments.

Related standards

ISO 52031 - Method for calculation of system energy requirements and system efficiencies (space emission systems)
ISO 18566 (all parts) - series for hydronic radiant panel systems
ISO 11855 - embedded radiant heating and cooling systems
EN 14037, EN 14240, ANSI/ASHRAE 138 - related product test and rating standards

Keywords: ISO 18566-6:2019, radiant heating and cooling panels, hydronic, ceiling mounted, input parameters, energy calculation, ISO 52031, water-based panels, specific heat capacity, testing, coefficients A and B.

Related standards

Mentioned in the description and other ISO standards

Abstract

Overview

Key topics and technical requirements

Scope and applicability: Ceilings with an open air gap; water-based hydronic panels; also applicable to other heat-transfer fluids where appropriate. Excludes embedded systems and ceiling beams.
Classification: Defines two product types used in calculation:
- Type 1: Systems with more than one covering layer above pipes.
- Type 2: Ceiling-mounted water-based radiator systems.
Input parameter methods: Presents procedures to derive parameters required by ISO 52031, including:
- Determination of specific heat capacity of the emission system (used to correct default ISO 52031 values).
- Calculation of a correction coefficient (C) and a related Δθ correction for intermittent or dynamic behavior.
- Use of tabulated coefficients A and B (given per installation/orientation) to compute dynamic temperature variation corrections for heating and cooling cases. Example values in the standard include A ≈ 0.037 and B ≈ −1.45 for ceiling heating (with mirrored signs for cooling); a separate set (A ≈ 0.0034, B ≈ −0.11) is given for ceiling-mounted radiator systems.
Formulas and worked example: Includes formulae (referenced as Formulae 6–9) and an informative calculation example (Annex A) demonstrating the method.

Practical applications and users

HVAC and building services engineers: to supply accurate product input data for system energy modelling and compliance with ISO 52031.
Manufacturers of radiant panels: to define and document product characteristic values and to support energy labels or datasheets.
Test laboratories: to perform and report tests for energy calculation inputs and to verify dynamic behavior.
Energy modelers and compliance assessors: to integrate corrected emission product parameters into building performance simulations and EPB assessments.

Related standards

ISO 52031 - Method for calculation of system energy requirements and system efficiencies (space emission systems)
ISO 18566 (all parts) - series for hydronic radiant panel systems
ISO 11855 - embedded radiant heating and cooling systems
EN 14037, EN 14240, ANSI/ASHRAE 138 - related product test and rating standards

ISO 18566-6:2019 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Related standards

Abstract

Overview

Key topics and technical requirements

Practical applications and users

Related standards

Related standards

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