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EN 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)

Publication date:   Feb 17, 2022

General information

60.60 Standard published   Sep 1, 2021

CEN

CEN/TC 228 Heating systems and water based cooling systems in buildings

European Norm

91.040.01   Buildings in general

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Scope

This document allows the calculation of peak cooling capacity of Thermo Active Building Systems (TABS) – Type V according to ISO 11855-1, 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, e.g. the chiller size, fluid flow rate.
This document defines a detailed method aimed at the calculation of heating and cooling capacity in non-steady state conditions.

Life cycle

PREVIOUSLY

WITHDRAWN
EN ISO 11855-4:2015

NOW

PUBLISHED
EN ISO 11855-4:2021
60.60 Standard published
Sep 1, 2021

CORRIGENDA / AMENDMENTS

PUBLISHED
EN ISO 11855-4:2021/A1:2023