SIST EN 1264-1:2011
(Main)Water based surface embedded heating and cooling systems - Part 1: Definitions and symbols
Water based surface embedded heating and cooling systems - Part 1: Definitions and symbols
This European Standard is applicable to water based surface embedded heating and cooling systems in residential, 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 of other heating media instead of water.
Raumflächenintegrierte Heiz- und Kühlsysteme mit Wasserdurchströmung - Teil 1: Definitionen und Symbole
Diese Europäische Norm für Heiz- und Kühlsysteme mit Wasser als Arbeitsmedium, die in Raumflächen eingebettet sind, ist anwendbar in Wohn-, Büro- und sonstigen Gebäuden, deren Nutzung der von Wohngebäuden entspricht oder ähnlich ist.
Diese Europäische Norm gilt für raumflächenintegrierte Heiz- und Kühlsysteme, die in die Raumumschließungsflächen (Fußboden, Wände, Decke) des zu heizenden oder des zu kühlenden Raumes eingebettet sind.
Sie gilt sinngemäß auch dann, wenn nicht Wasser, sondern andere Heizmedien verwendet werden.
Systèmes de chauffage et rafraîchissement hydrauliques intégrés - Partie 1: Définitions et symboles
La présente Norme européenne est applicable aux systèmes de chauffage et rafraîchissement hydrauliques intégrés installés dans des habitations, bureaux et autres constructions dont l'usage correspond ou est similaire à celui des bâtiments d'habitation.
La présente Norme européenne s'applique aux systèmes de chauffage et de rafraîchissement intégrés aux cloisons des pièces à chauffer ou à rafraîchir.
Elle s'applique également, le cas échéant, aux systèmes utilisant d'autres fluides caloporteurs que l'eau.
Ploskovni sistemi za ogrevanje in hlajenje z vodo - 1. del: Definicije in simboli
Ta evropski standard velja za ploskovne sisteme za ogrevanje in hlajenje z vodo v stanovanjskih, pisarniških in drugih stavbah, ki se uporabljajo kot stanovanjske stavbe ali podobno. Ta evropski standard velja za sisteme za ogrevanje in hlajenje, vgrajene v zaprte površine prostorov, ki se ogrevajo ali hladijo. Kot ustreza, velja tudi pri uporabi drugih grelnih medijev, ki niso voda.
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Ploskovni sistemi za ogrevanje in hlajenje z vodo - 1. del: Definicije in simboliRaumflächenintegrierte Heiz- und Kühlsysteme mit Wasserdurchströmung - Teil 1: Definitionen und SymboleSystèmes de chauffage et rafraîchissement hydrauliques intégrés - Partie 1: Définitions et symbolesWater based surface embedded heating and cooling systems - Part 1: Definitions and symbols91.140.10Sistemi centralnega ogrevanjaCentral heating systems01.075Simboli za znakeCharacter symbols01.040.91Gradbeni materiali in gradnja (Slovarji)Construction materials and building (Vocabularies)ICS:Ta slovenski standard je istoveten z:EN 1264-1:2011SIST EN 1264-1:2011en,fr,de01-oktober-2011SIST EN 1264-1:2011SLOVENSKI
STANDARDSIST EN 1264-1:19971DGRPHãþD
SIST EN 1264-1:2011
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1264-1
June 2011 ICS 01.040.91; 01.075; 91.140.10 Supersedes EN 1264-1:1997English Version
Water based surface embedded heating and cooling systems - Part 1: Definitions and symbols
Systèmes de surfaces chauffantes et rafraîchissantes hydrauliques encastrées - Partie 1: Définitions et symboles Raumflächenintegrierte Heiz- und Kühlsysteme mit Wasserdurchströmung - 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 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 under 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, 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
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
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: ESIST EN 1264-1:2011
EN 1264-1:2011 (E) 2 Contents Page Foreword .31 Scope .42 Normative references .43 Terms and 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 (normative)
Figures . 18Annex B (informative)
Comparison overview of used symbols . 20Bibliography . 23 SIST EN 1264-1:2011
EN 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 which 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 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 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 embedded 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 the 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, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom.
SIST EN 1264-1:2011
EN 1264-1:2011 (E) 4 1 Scope This European Standard is applicable to water based surface embedded heating and cooling systems in residential, 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 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 amendments) 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 cooling 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 cooling 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 footstep 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., SIST EN 1264-1:2011
EN 1264-1:2011 (E) 5 - weight bearing layer consisting of screed or timber, for 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 with 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 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,ins according to EN 1264-4:2009, Table 1 to limit the heat loss of heating and cooling systems
NOTE In the case of floor heating and cooling systems, as a rule the thermal resistance R,ins is 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 determined 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. 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,f rate of heat loss from the building to the 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 not taken into account. SIST EN 1264-1:2011
EN 1264-1:2011 (E) 6 3.3.2 standard cooling load QC,f rate 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 of the building 3.3.3 additional thermal output Qout thermal output of supplementary heating equipment NOTE Qout = QN,f – QF 3.3.4 heating/cooling surface
AF area of surface covered by the heating or cooling system, including a perimeter strip whose width should be half of one spacing, but not exceeding 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
AR floor surface heated to a higher temperature and generally an area of 1,0 m maximum in width along exterior walls. NOTE It is not an occupied area. 3.3.7 occupied area
AA
area 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 ϑi resultant indoor temperature 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 regional dew point
ϑDp,R dew point specified depending on the climatic conditions of the region 3.3.10 design dew point
ϑDp,des dew point determined for the design SIST EN 1264-1:2011
EN 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 systems divided by the surface area 3.4.2 specific thermal output of embedded heating systems qH thermal 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 qC thermal output of embedded cooling systems divided by the surface area 3.4.4 limit of specific thermal output of floor heating systems qG specific 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 ϑF,max within the range of temperature distribution. 3.4.5 maximum limit of specific thermal output of floor heating systems qG,max limit of specific thermal output of floor heating systems, calculated in accordance with the Basic Characteristic Curve due to maximum floor surface temperature ϑF,max together with isothermal surface temperature distribution 3.4.6 standard thermal output of floor heating systems
qN limit of specific thermal output of floor heating systems achieved without floor covering 3.4.7 standard specific thermal output of embedded heating systems
qH,N specific thermal output of embedded heating systems achieved with standard temperature difference between heating medium and room NOTE For heating systems (other then floor heating), ûϑH,N = 10 K is valid. 3.4.8 standard specific thermal output of embedded cooling systems
qC,N specific thermal output of embedded cooling systems achieved with standard temperature difference between room and cooling medium NOTE For cooling systems, ûϑC,N = 8 K is valid. 3.4.9 design value of specific thermal output of floor heating systems
qdes amount due to the room, calculated with the standard heat load, divided by the heating floor surface area SIST EN 1264-1:2011
EN 1264-1:2011 (E) 8
3.4.10 maximum value of specific thermal output
qmax highest design value qdes within qG of specific thermal output in circuits operated at the same design flow temperature
3.4.11 downward specific heat loss of floor heating systems
qu specific thermal output throughout the floor construction, to rooms beyond, the ground or cold void 3.4.12 design thermal output of floor heating systems
QF sum 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,des standard cooling load divided by 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
ϑF,max maximum temperature 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 ϑF,max limits the thermal output. In this case the highest point surface temperature on the floor need to be taken.
3.5.2 average surface temperature ϑF,m average 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 ϑF,m. 3.5.3 average temperature difference between surface and room difference ϑF,m - ϑi between 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.
SIST EN 1264-1:2011
EN 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 ∆ϑH average difference between the temperatures of the heating medium and the standard indoor room temperature determined in a logarithmic equation NOTE See EN 1264-2:2008, equation (1) . 3.6.2 limit value of temperature difference between heating medium and room ∆ϑH,G temperature difference between heating medium and room at which the permissible maximum floor surface temperature is achieved NOTE ∆ϑH,G is determined by the specific thermal output qG, see EN 1264-2:2008, equation (20) 3.6.3 standard temperature difference between heating medium and room for floor heating systems
∆ϑN limit value of temperature difference ∆ϑH,G between heating medium and room floor heating systems without floor covering NOTE ∆ϑN is determined by the standard specific thermal output qN. 3.6.4 standard temperature difference between heating medium and room for heating systems with the exception of floor heating ∆ϑH,N standard value set at 10 K 3.6.5 design temperature difference between hea
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