1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS EN 1264-1:2011Water based surface embeddedheating and cooling systemsPart 1: Definitions and symbolsBS EN 1264-1:2011 BRITISH STANDARDNational forewordThis British Standard is
2、 the UK implementation of EN 1264-1:2011. Itsupersedes BS EN 1264-1:1998 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee RHE/6, Air or space heaters or coolers withoutcombustion.A list of organizations represented on this committee can beobtained on req
3、uest to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. BSI 2011ISBN 978 0 580 73043 6ICS 01.040.91; 01.075; 91.140.10Compliance with a British Standard cannot confer immunity fromlegal obligation
4、s.This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 July 2011.Amendments issued since publicationDate Text affectedBS EN 1264-1:2011EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1264-1 June 2011 ICS 01.040.91; 01.075; 91.140.10 Superse
5、des EN 1264-1:1997English Version Water based surface embedded heating and cooling systems - Part 1: Definitions and symbols Systmes de surfaces chauffantes et rafrachissantes hydrauliques encastres - Partie 1: Dfinitions et symbolesRaumflchenintegrierte Heiz- und Khlsysteme mit Wasserdurchstrmung -
6、 Teil 1: Definitionen und SymboleThis European Standard was approved by CEN on 3 June 2011. 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
7、lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre 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 un
8、der the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France
9、, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR N
10、ORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1264-1:2011: EBS EN 1264-1:2011EN 1264-1:2011 (E) 2 Contents Page Foreword 31 Scope 42 Normative references 43 Terms a
11、nd Definitions .43.1 Surface embedded heating and cooling system 43.2 Supplementary heating equipment 53.3 Parameters of design 53.4 Thermal output .73.5 Surface temperatures 83.6 Temperatures of the heating/cooling medium 93.7 Flow rates 113.8 Characteristic curves . 114 Symbols . 11Annex A (normat
12、ive) Figures 18Annex B (informative) Comparison overview of used symbols 20Bibliography . 23BS EN 1264-1:2011EN 1264-1:2011 (E) 3 Foreword This document (EN 1264-1:2011) has been prepared by Technical Committee CEN/TC 130 “Space heating appliances without integral heat sources”, the secretariat of w
13、hich is held by UNI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2011, and conflicting national standards shall be withdrawn at the latest by December 2011. Attention is drawn to the
14、possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN 1264-1:1997. The series of European Standards EN 1264 “Water based surface embedded
15、heating and cooling systems“ consists of the following parts: Part 1: Definitions and symbols; Part 2: Floor heating: Prove methods for the determination of the thermal output using calculation and test methods; Part 3: Dimensioning; Part 4: Installation; Part 5: Heating and cooling surfaces embedde
16、d in floors, ceilings and walls Determination of the thermal output. The main change with respect to EN 1264-1:1997 consists in the expansion of the scope over floor heating, now additionally includes ceiling and wall heating as well as cooling surfaces in floors, ceilings and walls. According to th
17、e CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia
18、, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. BS EN 1264-1:2011EN 1264-1:2011 (E) 4 1 Scope This European Standard is applicable to water based surface embedded heating and cooling systems in res
19、idential, office and other buildings, the use of which corresponds to or is similar to that of residential buildings. This European Standard applies to 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
20、 of other heating media instead of water. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amend
21、ments) applies. EN 1264-3:2009, Water based surface embedded heating and cooling systems Part 3: Dimensioning 3 Terms and Definitions For the purposes of the document, the following terms and definitions apply. 3.1 Surface embedded heating and cooling system 3.1.1 surface embedded heating and coolin
22、g system heating or cooling installation embedded into the enclosure surfaces of the room consisting of circuits of pipes, circuit distributors, and control equipment 3.1.2 floor, wall, ceiling heating and cooling system system where pipes carrying water with or without additives as a heating or coo
23、ling medium are laid in the floor, wall or ceiling 3.1.3 circuit section of pipes connected to circuit distributor which can be independently switched and controlled 3.1.4 circuit distributor common connection point for several circuits 3.1.5 system components - insulating layer for thermal and foot
24、step noise insulation, - protection layer (to protect the insulating layer), - heating/cooling pipes or plane sections, - floor covering, - heat diffusion devices, peripheral strips, attachment items etc., BS EN 1264-1:2011EN 1264-1:2011 (E) 5 - weight bearing layer consisting of screed or timber, f
25、or type B systems, - weight bearing and thermal diffusion layer consisting of screed, for type A, type C and type D systems, NOTE The components may be different depending on the system 3.1.6 types of heating/cooling structures 3.1.6.1 systems with pipes inside the screed type A and type C systems w
26、ith heating/cooling pipes completely embedded in the screed NOTE See Figure A.1 and A.3. 3.1.6.2 systems with pipes below the screed type B systems with heating/cooling pipes laid with diffusion plates in the thermal insulating layer below the screed NOTE See Figure A.2. 3.1.6.3 systems with surface
27、 elements (plane sections) type D system plates with hollow sections acting as water channels NOTE See Figure A.4. 3.1.7 system Insulation insulation with the thermal resistance R,insaccording to EN 1264-4:2009, Table 1 to limit the heat loss of heating and cooling systems NOTE In the case of floor
28、heating and cooling systems, as a rule the thermal resistance R,insis provided by the insulation layers which are integral parts of the system; on this topic, national rules shall be consulted. In the case of wall and ceiling heating and cooling systems, the thermal resistance R,ins may be determine
29、d taking into account the effective thermal resistance of the building structure. 3.1.8 interior walls partitions of rooms within dwellings or similar used room groups NOTE Wall heating and cooling systems embedded in interior walls, are constructed with or without insulation, depending on their use
30、. 3.2 Supplementary heating equipment Additional heating facility, e. g. convectors, radiators with the additional required thermal output and possibly with its own control equipment 3.3 Parameters of design 3.3.1 standard heat load in a floor heated room QN,frate of heat loss from the building to t
31、he outside and to neighbouring rooms under standardized conditions, depending on the regional climatic data, the location, its use and the thermal properties of the building NOTE When calculating the standard heat load, the thermal output from the embedded heating systems in the neighbouring room is
32、 not taken into account. BS EN 1264-1:2011EN 1264-1:2011 (E) 6 3.3.2 standard cooling load QC,frate of heat input into the building from the external environment and neighbouring rooms under standardized conditions and depending on the regional climatic data, location, its use and thermal properties
33、 of the building 3.3.3 additional thermal output Qoutthermal output of supplementary heating equipment NOTE Qout= QN,f QF3.3.4 heating/cooling surface AFarea of surface covered by the heating or cooling system, including a perimeter strip whose width should be half of one spacing, but not exceeding
34、0,150 m 3.3.5 furniture area area of the floor surface not covered by a heating or cooling system, intended for permanent placement of furnishings forming part of the building 3.3.6 peripheral area ARfloor surface heated to a higher temperature and generally an area of 1,0 m maximum in width along e
35、xterior walls. NOTE It is not an occupied area. 3.3.7 occupied area AAarea within the heated or cooled floor surface occupied for long periods NOTE In case of floor heating, it consists of the heating floor surface less the peripheral area. 3.3.8 standard indoor room temperature iresultant indoor te
36、mperature defined as the average of the dry air temperature and the mean radiant temperature NOTE The resultant temperature is considered as the relevant for thermal comfort assessment and heat loss calculations. This value of internal temperature is used for the calculation method 1, 2. 3.3.9 regio
37、nal dew point Dp,Rdew point specified depending on the climatic conditions of the region 3.3.10 design dew point Dp,desdew point determined for the design BS EN 1264-1:2011EN 1264-1:2011 (E) 7 3.4 Thermal output 3.4.1 specific thermal output of floor heating systems q thermal output of floor heating
38、 systems divided by the surface area 3.4.2 specific thermal output of embedded heating systems qHthermal output of embedded heating systems divided by the surface area NOTE For floor heating, index H is not used. 3.4.3 specific thermal output of embedded cooling systems qCthermal output of embedded
39、cooling systems divided by the surface area 3.4.4 limit of specific thermal output of floor heating systems qGspecific thermal output at which the permissible maximum floor surface temperature is achieved NOTE In the case of floor heating, this means the maximum value of surface temperature F,maxwit
40、hin the range of temperature distribution. 3.4.5 maximum limit of specific thermal output of floor heating systems qG,maxlimit of specific thermal output of floor heating systems, calculated in accordance with the Basic Characteristic Curve due to maximum floor surface temperature F,max together wit
41、h isothermal surface temperature distribution 3.4.6 standard thermal output of floor heating systems qNlimit of specific thermal output of floor heating systems achieved without floor covering 3.4.7 standard specific thermal output of embedded heating systems qH,Nspecific thermal output of embedded
42、heating systems achieved with standard temperature difference between heating medium and room NOTE For heating systems (other then floor heating), H,N= 10 K is valid. 3.4.8 standard specific thermal output of embedded cooling systems qC,Nspecific thermal output of embedded cooling systems achieved w
43、ith standard temperature difference between room and cooling medium NOTE For cooling systems, C,N= 8 K is valid. 3.4.9 design value of specific thermal output of floor heating systems qdesamount due to the room, calculated with the standard heat load, divided by the heating floor surface area BS EN
44、1264-1:2011EN 1264-1:2011 (E) 8 3.4.10 maximum value of specific thermal output qmaxhighest design value qdes within qGof specific thermal output in circuits operated at the same design flow temperature 3.4.11 downward specific heat loss of floor heating systems quspecific thermal output throughout
45、the floor construction, to rooms beyond, the ground or cold void 3.4.12 design thermal output of floor heating systems QFsum of thermal output based on output of each area in relation to the total room floor area 3.4.13 design value of specific cooling load qC,Ld,desstandard cooling load divided by
46、the cooling surface 3.4.14 design specific thermal output of cooling systems qC,des value of specific thermal output achieved with design value of average temperature difference between room and cooling medium 3.5 Surface temperatures 3.5.1 maximum floor surface temperature F,maxmaximum temperature
47、permissible for physiological reasons, for calculation of the limit curves, which may occur at a point on the floor in the occupied or peripheral area NOTE F,maxlimits the thermal output. In this case the highest point surface temperature on the floor need to be taken. 3.5.2 average surface temperat
48、ure F,maverage temperature value for each heated surface area, such as occupied or peripheral heated floors NOTE With the exception of floor heating, the limit of thermal output is identified by maximum value (heating systems) or minimum value (cooling systems) of F,m. 3.5.3 average temperature diff
49、erence between surface and room difference F,m- ibetween the average temperature of the heating or cooling surface and the standard indoor room temperature NOTE This determines the specific thermal output for heating and cooling. BS EN 1264-1:2011EN 1264-1:2011 (E) 9 3.6 Temperatures of the heating/cooling medium NOTE In this standard series, the denotations medium and water are used as synonym. 3.6.1 temperature difference between heating medium and room Haverage difference between the temperatures of
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