Designation:F2474−14AnAmericanNationalStandardStandardTestMethodforHeatGaintoSpacePerformanceofCommercialKitchenVentilation/ApplianceSystems1ThisstandardisissuedunderthefixeddesignationF2474;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofapplianceheatgaintospacederivedfromthemeasurementandcalcula-tionofapplianceenergyconsumption,energyexhausted,andenergytofood,basedonasystemenergybalance,parametricevaluationofoperationalordesignvariationsinappliances,hoods,orreplacementairconfigurations.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2F1704TestMethodforCaptureandContainmentPerfor-manceofCommercialKitchenExhaustVentilationSys-tems2.2ASHRAEStandard:3ASHRAEGuideline2-1986(RA96)EngineeringAnalysisofExperimentalDataASHRAETerminologyofHeating,Ventilation,Air-Conditioning,andRefrigeration2.3ANSIStandards:4ANSI/ASHRAE51andANSI/AMCA210LaboratoryMethodofTestingFansforRatingNOTE1—ThereplacementairandexhaustsystemtermsandtheirdefinitionsareconsistentwithterminologyusedbytheAmericanSocietyofHeating,Refrigeration,andAirConditioningEngineers.5Wheretherearereferencestocookingappliances,anattempthasbeenmadetobeconsistentwithterminologyusedinthetestmethodsforcommercialcookingappliances.Foreachenergyratedefinedasfollows,thereisacorrespondingenergyconsumptionthatisequaltotheaverageenergyratemultipliedbyelapsedtime.Elect...