20/30404558 DC - BS EN 1264-2. 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

20/30404558 DC

BS EN 1264-2. 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

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

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EN 1264 covers surface embedded heating and cooling systems installed in buildings, residential and non-residential (e.g. office, public, commercial and industrial buildings) and focuses on systems installed for the purpose of thermal comfort.

EN 1264 applies to water based heating and cooling systems embedded into the enclosure surfaces of the room to be heated or to be cooled. It also applies as appropriate to the use of other heating media instead of water.

EN 1264 applies to identify standardized product characteristics by calculation and testing the thermal output of heating for technical specifications and certification. For the design, construction and operation of these systems, EN ISO 11855 applies.

The systems covered in EN 1264 are adjoined to the structural base of the enclosure surfaces of the building, mounted directly or with fixing supports. It does not cover ceiling systems mounted in a suspended ceiling with a designed open air gap between the system and the building structure which allows the thermally induced circulation of the air. The thermal output of these systems can be determined according to ISO 18566, EN 14037 and EN 14240.

EN 1264‑2 applies to hot water floor heating systems. Applying of EN 1264‑5 requires the prior use of EN 1264‑2. EN 1264‑5 deals with the conversion of the thermal output of floor heating systems determined in EN 1264‑2 into the thermal output of heating surfaces embedded in walls and ceilings as well as into the thermal output of cooling surfaces embedded in floors, walls and ceilings.

EN 1264‑2 specifies the boundary conditions and the test methods for the determination of the thermal output of hot water floor heating systems as a function of the temperature difference between the heating medium and the room temperature.

The thermal output is tested by a calculation method and by a measurement method. The calculation method is applicable to systems corresponding to the definitions in EN 1264‑1 (type A, type B, type C, type D). For systems not corresponding to these definitions, the measurement method shall be used. The calculation method and the measurement method are consistent with each other and provide correlating and adequate test results.

The test results, expressed depending on further parameters, are the standard specific thermal output and the associated standard temperature difference between the heating medium and the room temperature as well as fields of characteristic curves showing the relationship between the specific thermal output and the temperature difference between the heating medium and the room.




Standard Number20/30404558 DC
TitleBS EN 1264-2. 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
StatusCurrent, Draft for public comment
Publication Date20 January 2020
Normative References(Required to achieve compliance to this standard)EN 1264-1, EN 14037, EN ISO 11855, EN ISO/IEC 17025, EN 1264-5, EN 14240, prEN 1264-3:2019, ISO 18566
Informative References(Provided for Information)EN 442-2, ISO/DIS 52031:2019, EN 15377-2, EN 15316-2, EN 15377-1, EN 1264-4
International RelationshipsFprEN 1264-2
Draft Expiry Date11 March 2020
DescriptorsThermal output, Hot-water central heating, Central heating, Pipes, Mathematical calculations, Flow rates, Water, Thickness, Heat measurement, Thermal conductivity, Underfloor heating, Space-heating systems, Diameter, Heat pipes, Documents, Floors
ICS91.140.10
Title in FrenchSystèmes de surfaces chauffantes et rafraîchissantes hydrauliques intégrées Partie 2:Chauffage par le sol: Méthodes de démonstration pour la détermination de l'émission thermique utilisant des méthodes par le calcul et à l'aide de méthodes d'essai
Title in GermanRaumflächenintegrierte Heiz- und Kühlsysteme mit Wasserdurchströmung Teil 2: Fußbodenheizung: Prüfverfahren für die Bestimmung der Wärmeleistung unter Benutzung von Berechnungsmethoden und experimentellen Methoden
CommitteeRHE/6
PublisherBSI
FormatA4
DeliveryYes
Pages44
File Size799 KB
NotesWarning: this draft is not current beyond its expiry date for comments.
Price£20.00


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