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CEN
EN ISO 11855-4:2015

EN ISO 11855-4:2015

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Building environment design - Design, dimensioning, installation and control of 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 11855-4:2012)

Superseded date

13-09-2021

Superseded by

EN ISO 11855-4:2021

Published date

05-08-2015

Publisher

Comite Europeen de Normalisation

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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 The concept of Thermally Active
  Surfaces (TAS)
6 Calculation methods
7 Input for computer simulations of
  energy performance
Annex A (informative) - Simplified diagrams
Annex B (normative) - Calculation method
Annex C (informative) - Tutorial guide for assessing
        the model
Annex D (informative) - Computer program
Bibliography

ISO 11855-4:2012 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.ISO 11855-4:2012 defines a detailed method aimed at the calculation of heating and cooling capacity in non-steady state conditions.

Committee
CEN/TC 228
DevelopmentNote
Supersedes EN 15377-3. (08/2015)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

EN 15251:2007 Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics
EN 1264-5:2008 Water based surface embedded heating and cooling systems - Part 5: Heating and cooling surfaces embedded in floors, ceilings and walls - Determination of the thermal output
EN 15377-3:2007 Heating systems in buildings - Design of embedded water based surface heating and cooling systems - Part 3: Optimizing for use of renewable energy sources
EN 15265:2007 Energy performance of buildings - Calculation of energy needs for space heating and cooling using dynamic methods - General criteria and validation procedures
ISO 11855-2:2012 Building environment design Design, dimensioning, installation and control of embedded radiant heating and cooling systems Part 2: Determination of the design heating and cooling capacity
EN 15377-1:2008 Heating systems in buildings - Design of embedded water based surface heating and cooling systems - Part 1: Determination of the design heating and cooling capacity
ISO 11855-1:2012 Building environment design Design, dimensioning, installation and control of embedded radiant heating and cooling systems Part 1: Definition, symbols, and comfort criteria
ISO 7730:2005 Ergonomics of the thermal environment — Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria
EN 1264-2:2008+A1:2012 Water based surface embedded heating and cooling systems - Part 2: Floor heating: Prove methods for the determination of the thermal output using calculation and test methods
EN 15255:2007 Energy performance of buildings - Sensible room cooling load calculation - General criteria and validation procedures

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