20/30391114 DC - BS EN ISO 11855-4. 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)

20/30391114 DC

BS EN ISO 11855-4. 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)

Status : Current, Draft for public comment   Published : March 2020

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This part of ISO 11855 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 part of ISO 11855 defines a detailed method aimed at the calculation of heating and cooling capacity in non-steady state conditions.

The ISO 11855 series is applicable to water based embedded surface heating and cooling systems in residential, commercial and industrial buildings. The methods apply to systems integrated into the wall, floor or ceiling construction without any open air gaps. It does not apply to panel systems with open air gaps which are not integrated into the building structure.

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.




Standard Number20/30391114 DC
TitleBS EN ISO 11855-4. 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)
StatusCurrent, Draft for public comment
Publication Date26 March 2020
Normative References(Required to achieve compliance to this standard)ISO 11855-1
Informative References(Provided for Information)EN 15377-3, EN 15265, EN 1264, ISO 11855-2, EN 15377-1, ISO 7730, EN 15251
International RelationshipsISO/DIS 11855-4
Draft Expiry Date09 May 2020
DescriptorsWater, Thermal environment systems, Surfaces, Pipes, Heat pipes, Space-heating systems, Central heating, Heaters, Heating, Cooling systems, Heat transfer, Energy conservation, Mathematical calculations, Buildings, Energy sources
ICS91.040.01
91.140.10
Title in FrenchConception 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) Partie 4: Dimensionnement et calculs relatifs au chauffage adiabatique et à la puissance frigorifique pour systèmes d'éléments de construction thermoactifs (TABS)
CommitteeRHE/2
PublisherBSI
FormatA4
DeliveryYes
Pages68
File Size5.369 MB
NotesWarning: this draft is not current beyond its expiry date for comments.
Price£20.00


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