BS EN 1264-2-1998 Floor heating Systems and components Determination of the thermal output2.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1264-2 : 1998 The E
2、uropean Standard EN 1264-2 : 1997 has the status of a British Standard ICS 91.140.10 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Floor heating Systems and components Part 2. Determination of the thermal output Licensed copy:PONTYPRIDD COLLEGE, 07/04/2008, Uncontrolled Copy
3、, BSI This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 January 1998 BSI 1998 ISBN 0 580 28907 9 BS EN 1264-2 : 1998 Amendments issued since publication Amd. No.DateTex
4、t affected National foreword This British Standard is the English language version of EN 1264-2 : 1997. The UK participation in its preparation was entrusted to Technical Committee RHE/6, Air or space heaters or coolers without combustion, which has the responsibility to: aid enquirers to understand
5、 the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can
6、be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence Index, or by using the Fin
7、d facility of the BSI Standards Electronic Catalogue. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, an EN title page, pages 2 to 18, an inside back cover and a back cover. L
8、icensed copy:PONTYPRIDD COLLEGE, 07/04/2008, Uncontrolled Copy, BSI CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1997 CEN All rights of exploitation in any form and by any mean
9、s reserved worldwide for CEN national Members Ref. No. EN 1264-2 : 1997 E EUROPEAN STANDARDEN 1264-2 NORME EUROPE ENNE EUROPA ISCHE NORM August 1997 ICS 91.140.10 Descriptors: Heating, hot water heating, heated floors, soils, thermal properties, heat emission, specific area, limits, computation Engl
10、ish version Floor heating Systems and components Part 2: Determination of the thermal output Chauffage par le sol Syste mes et composants Partie 2: De termination de le mission thermique Fuboden-Heizung Systeme und Komponenten Teil 2: Bestimmung des Wa rmeleistung This European Standard was approved
11、 by CEN on 1997-07-11. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standar
12、ds may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to th
13、e Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United
14、Kingdom. Licensed copy:PONTYPRIDD COLLEGE, 07/04/2008, Uncontrolled Copy, BSI Page 2 EN 1264-2 : 1997 BSI 1998 Foreword This European Standard has been prepared by Technical Committee CEN/TC 130, Space heating appliances without integral heat sources, the Secretariat of which is held by UNI. This Eu
15、ropean Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by February 1998, and conflicting national standards shall be withdrawn at the latest by February 1998. According to the CEN/CENELEC Internal Regulations, the
16、 national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingd
17、om. Contents Page Foreword2 Introduction3 1Scope3 2Normative references3 3Definitions and symbols3 4Thermal boundary conditions3 5Documents4 6Calculating the heat flow density (characteristic and limit curves)4 6.1General 2, 44 6.2Systems with pipes inside the screed (type A and type C)5 6.3Systems
18、with pipes below the screed (type B)6 6.4Plane section systems6 6.5Limits of heat flow density6 6.6Influence of pipe material, thickness of the pipe wall and pipe sheathing on the heat flow density7 6.7Heat conductivity of screed with inserts7 7Experimental determination of additional variables8 8Co
19、nductivity of materials8 9Test report8 Annexes A(normative) Figures and tables9 B(informative) Bibliography17 Licensed copy:PONTYPRIDD COLLEGE, 07/04/2008, Uncontrolled Copy, BSI w w w . b z f x w . c o m Page 3 EN 1264-2 : 1997 BSI 1998 1) National regulations can limit the temperature to a lower v
20、alue. 2) Some covering materials can require lower temperatures. Introduction This European Standard for floor heating systems consists of the following Parts: Part 1: Definitions and symbols; Part 2: Determination of the thermal output; Part 3: Dimensioning; Part 4: Installation. 1 Scope This Europ
21、ean Standard is applicable to hot water floor heating systems as defined in EN 1264-1. The determination of thermal performance of hot water floor heating systems and their conformity to this standard is carried out by calculation in accordance with design documents and model: in the case of special
22、 constructions and if necessary, the determination of thermal performance by calculation is combined with measurement techniques. This European Standard specifies procedures and conditions to enable the heat flow density of hot water floor heating systems to be determined relative to the heating med
23、ium differential temperature for standard systems. For special systems the additional influencing factors are experimentally determined and introduced in the calculation. This should enable a uniform assessment and calculation of floor heating systems. The nominal heat flow density, the associated n
24、ominal heating medium differential temperature and the field of characteristic curves for the relationship between heat flow density and the determining variables are given as the result. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other
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