1、BRITISH STANDARD BS EN 12792:2003 Ventilation for buildings Symbols, terminology and graphical symbols The European Standard EN 12792:2003 has the status of a British Standard ICS 01.040.91; 01.075; 91.140.30 BS EN 12792:2003 This British Standard, was published under the authority of the Standards
2、Policy and Strategy Committee on 3 October 2003 BSI 3 October 2003 ISBN 0 580 42716 1 National foreword This British Standard is the official English language version of EN 12792:2003. It supersedes PD 6611:1997 which is withdrawn. The UK participation in its preparation was entrusted to Technical C
3、ommittee RHE/2, Air distribution and air diffusion, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this do
4、cument may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contrac
5、t. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for
6、change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 50, an inside back cover and a back cover. The BSI copyright
7、 notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN12792 August2003 ICS01.040.91;01.075;91.140.30 SupersedesCR12792:1997 Englishversion VentilationforbuildingsSymbo
8、ls,terminologyandgraphical symbols VentilationdesbtimentsSymboles,terminologieet symbolesgraphiques LftungvonGebudenSymbole,Terminologieund graphischeSymbole ThisEuropeanStandardwasapprovedbyCENon12December2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditio
9、nsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversi
10、oninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,It
11、aly,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserv
12、ed worldwideforCENnationalMembers. Ref.No.EN12792:2003EEN12792:2003(E) 2 Contents Foreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .6 4 Symbolsandunits . 31 5 LINEGRAPHICALSYMBOLS 38 5.1 Diffusion38 5.2 Distribution.39 5.3 Treatment42 5.4 Controlsandinstruments .43 AnnexA 44 Possib
13、lestructureoftermsanddefinitionsfordatabase . .44EN12792:2003(E) 3 Foreword Thisdocument(EN12792:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC156“Ventilationfor Buildings“,thesecretariatofwhichisheldbyBSI. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical
14、textor byendorsement,atthelatestbyFebruary2004,andconflictingnationalstandardsshallbewithdrawnatthelatest byFebruary2004. ThisdocumentsupersedesCR12792:1997. AnnexAisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplement
15、thisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN12792:2003(E) 4 Introduction OneofthegoalsofTC156istorealizeEuropeanStandardsth
16、atusethesamesymbolsandterminology.Forthis purposeWG1ofTC156hadthetasktoprovideastandardforsymbolsandterminologytobeusedbyallother workinggroupsofTC156.Thisstandardforsymbolsandterminologywasgeneratedbythedifferentworking groupsthemselves,andWG1wasresponsibleforthecoordinationbetweentheworkinggroupsa
17、nd standardizationofthesymbolsandterminologywithinTC156,whichthenbecamecompulsoryforotherWGsto useintheirstandards.ThesymbolsandterminologyinthisEnglishstandardarenumberedanditisintendedthat thesenumberscorrespondtotheGermanandFrenchtranslationofthestandard,sothatthedifferentdefinitions forthesamesy
18、mbolortermcanbecheckedinEnglish,FrenchandGerman.EN12792:2003(E) 5 1Scope ThisEuropeanStandardcomprisesthesymbolsandterminologyincludedintheEuropeanstandardscovering VentilationforbuildingsproducedbyCEN/TC156. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsf
19、romotherpublications.These normativereferencesarecitedattheappropriateplacesinthetextandthepublicationsarelistedhereafter.For datedreferencesthesubsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthela
20、testeditionofthe publicationreferredtoapplies(includingamendments). EN779 ParticulateairfiltersforgeneralventilationDeterminationofthefiltrationperformance . ENISO5135 AcousticsDeterminationofsoundpowerlevelsofnoisefromairterminaldevices,high/low velocity/pressureassemblies,dampersandvalvesbymeasure
21、mentinareverberationroom(ISO5135:1984). ISO5801 IndustrialfansPerformancetestingusingstandardizedairways . ISO13349 IndustrialfansVocabularyanddefinitionsofcategories .EN12792:2003(E) 6 3 Termsanddefinitions ForthepurposesofthisEuropeanStandardthetermsanddefinitionsgiveninEN779,ENISO5135,ISO5801 and
22、ISO13349andthetermsanddefinitionsgiveninTable1apply. Table1Termsanddefinitions Term Definition Number absolutehumidity massofwatervapourpresentperunitmassofdryair 1 absolutetotalpressure (stagnationpressure) algebraicsumofthetotalstaticpressureandvelocitypressureatany particularpointinafluid 2 acces
23、sibility (asappliedto equipment) equipmentisaccessiblewhencloseapproachisnotpreventedbylocked doors,elevationorothereffectivemeans 3 accessoriesof distribution seecomponentsofairdistribution 4 acousticenvironment characteristicsofaroomthatdeterminethequalitiesofsoundtherein,relative tohearing 5 acou
24、sticand/orthermal insulation treatmentoftheinternalorexternalwallsoftheductssoastoreducethe transmissionofacousticenergyalongthelengthandthroughtheductand/or thethermalenergyacrossthewalls 6 actuator device,electrically,pneumaticallyorhydraulicallyoperated,whichactsasa motortochangethepositionofmova
25、bledevicessuchasvalvesordampers 7 adjustableflowrateair diffuser airdiffuserwhichincorporatesadevicebymeansofwhichtheairflowrate canbevariedwithoutaffectingthedirectionordirectionsoftheairdeliveredto thetreatedspace (seealsoairdiffuser) 8 adjustablegrille seegrille 9 adjustablepatternair diffuser ai
26、rdiffuserwhichincorporatesanintegraldevicebymeansofwhichthe directionordirectionsoftheairdeliveredtothetreatedspacecanbevaried (seealsoairdiffuser) 10 airconditioning formofairtreatmentinwhichtemperature,humidity,ventilationandair cleanlinessareallcontrolled,ifanyofthesefeatures(excludingventilation
27、)is notcontrolledthesystemistermedaspartialairconditioning 11 airconditioning installation combinationofallcomponentsrequiredtoprovideairconditioning 12 airdiffuser airterminaldeviceusuallyinstalledintheceilingandgenerallyofcircular, squareorrectangularformandcomposedofdivergentdeflectingmeansand so
28、metimescombinedwithvanes,perforatedplates,flatplates,etc. (seealsoairterminaldevice) 13 airdiffusion distributionoftheairinaspace,calledthetreatedspace,inamannerto satisfycertainspecifiedconditionssuchasairchangerate,pressure, cleanliness,temperature,humidity,airvelocityandnoiselevel,inaspecified zo
29、newithinthistreatedspacewhichiscalledtheoccupiedzone.Itisusually achievedbymeansofairterminaldevices,whichformthecommon boundariesbetweenthetreatedspaceandtheairdistributionsystem 14 airdiffusingceiling modularairterminaldevicedesignedtodiffuseairtothetreatedspacefroma pressurizedplenumthroughholeso
30、rslotsintheceilingsurfaceorthe supportingframework (seealsoairterminaldevice) 15EN12792:2003(E) 7 Term Definition Number airdistribution transportationofaspecifiedairflowtoorfromthetreatedspacegenerallyby meansofducts.Alongtheductsdevicesforthepurposeoftreatingtheair (e.g.cleaning,heating,cooling,hu
31、midifyingordehumidifying,etc.)andknown asairtreatmentdevicesmaybeinserted 16 airduct generallytheenvelopeofaspaceinwhichtheairiscarried.Theassemblyof theductsofaninstallationandtheotherelementsofdistributioninsertedinto theseductsconstitutethedistributionnetwork(orductworksystem) NOTEItisusualtogive
32、differentnames(trunks,stubducts,spurs)tocertainpartsof thedistributionnetwork.Correspondinglyprecisedefinitionsaredifficulttoestablish. 17 airextractioncooker hood cookerhoodwhichdischargesthecollectedairtotheoutsideofthebuilding. (seealsocookerhood) 18 airflow movementofairusuallywithinboundaries(s
33、uchasducts) 19 airflowrate massorvolumeflowofairpassingagivenplanedividedbythetime 20 airflowratecontroller componentusedtocontroltheairflowratebymodifyingtheresistance (seealsodamper(orvalve) 21 airhandlingunit factorymadeencasedassemblyconsistingofsectionscontainingafanor fansandothernecessaryequi
34、pmenttoperformoneormoreofthefollowing functions:circulation,filtration,heating,cooling,heatrecovery,humidifying, dehumidifyingandmixingofair 22 airheatingandcooling coils heatexchangersbymeansofwhichheatistransferredfromaheattransfer mediumtoair(heatingcoil)ortheotherwayround(coolingcoil) 23 airhumi
35、dity absoluteairhumidity massofwatervapourpresentperunitmassofdryair relativeairhumidity inhumidair,theratioexpressedasapercentageofthewatervapoursactual pressuretothesaturatedvapourpressureatthesamedrybulbtemperature 24 airleakage unwantedairflowpathsintheinstallation (codedgrey) 25 airleakagefacto
36、r airtightnessexpressedastheairleakagerateperunitenvelopearea 26 airleakagerate airleakageofacomponentorcomponentssubjectedtoairpressure 27 airpollutant anymaterialintheatmospherethataffectspersonsandtheirenvironment (pollutantincludesmaterialssuchasliquids,solids,aerosols,gasesand odours) 28 airpol
37、lution resultofthepresenceofairpollutantsintheatmosphere 29 airrecirculatingcooker hood cookerhoodcontainingfilterstoremovecontaminantsafterwhichthetreated airisrecirculatedtotheroom (seealsocookerhood) 30EN12792:2003(E) 8 Term Definition Number AirTerminalDevice (ATD) componentofaventilationinstall
38、ationwhichisdesignedwiththepurposeof achievingthepredeterminedmovementofairintoorfromatreatedspace. Theycanbedividedintothefollowingcategories: automaticallycontrolled deviceshavingmovingpartswhichinteractwithachangeinlocalconditions, suchastemperature,humidity,CO 2 concentration,pressuredifference,
39、air flowrate,etc. fixed deviceswithoutanyadjustableparts manuallyadjustable deviceshavingadjustablepartswhichcanbemanuallyadjusted (seealsocomponentsofairdiffusion) 31 AirTerminalUnit(ATU) equipmentforairdistributionpurposeswhichfulfilseithermanuallyor automaticallyoneormoreofthefollowingfunctions:
40、controlsthevelocityorpressureand/ortemperatureoftheair; controlstheairflowrate; mixesprimarystreamsofdifferenttemperaturesorhumidities; mixeswithinthedeviceprimaryairwithairfromthetreatedspace (seealsocomponentsofairdistribution) 32 AirTerminalUnit assembly assemblymadefromanappropriateselectionofth
41、efollowingcomponent partstoachievethefunctionsmentionedinAirTerminalUnit: C a s i n g ; Mixingsection; Flowratecontroldevices; Manualdamperorvalve. ATUassembliesmayalsoincorporateheatexchangers,fans,nozzles,air filters,airterminaldevicesand/ormeansofsoundattenuation 33 AirTerminalUnitwith integralai
42、rterminal device dischargecontroltype assemblywithinwhichadevicecontrolstheairflowratedischargedtothe treatedspacethroughanintegralairterminaldevice entryaircontroltype assemblywithinwhichadevicecontrolstheairflowrateenteringtheunit 34 airtightnessclassA,B, CandD(ofaduct) measureofthetightnessofaduc
43、tworksystem,definedattheupperlimitof theairleakagefactorf(seealsoleakage) 35 airtransferdevice airterminaldevicedesignedtoallowthetransferofairfromonespace/room toanotherspace/room (seealsoAirterminaldevice) 36 airtreatment processbywhichthestateoftheairismodifiedwithrespecttovarious propertiessuchastemperature,moisturecontent,dustcontent,bacterial count,gasandvapourcontents 37 airturningvane elementinsertedintocomponentsofductwork,suchasbendsinductto minimizethepressurelossoftheairflowingthroughthatcomponent (seealsoflowequalisers) 38 airtype designationofthe
