Designation:F2473−12AnAmericanNationalStandardStandardTestMethodforPerformanceofWater-BathRethermalizers1ThisstandardisissuedunderthefixeddesignationF2473;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoverstheenergyconsumptionandrethermalizingperformanceoffloor-modelandcountertopwater-bathrethermalizers.Thefoodserviceoperatorcanusethisevaluationtoselectawater-bathrethermalizerandunder-standitsenergyconsumptionandproductioncapacity.1.2Thistestmethodisapplicabletofloorandcountertopmodelgasandelectricunits.1.3Thewater-bathrethermalizercanbeevaluatedwithrespecttothefollowing(whereapplicable):1.3.1Energyinputrate(10.2),1.3.2Preheatenergyconsumption,time,andrate(10.4),1.3.3Idleenergyrate(10.5),1.3.4Pilotenergyrate(10.6),1.3.5Rethermenergyrate(10.8),1.3.6Productioncapacity(10.8),and1.3.7Retherm-energyefficiency(10.8).1.4Thistestmethodisnotintendedtoanswerallperfor-mancecriteriaintheevaluationandselectionofawater-bathrethermalizer.1.5Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D3588PracticeforCalculatingHeatValue,CompressibilityFactor,andRelativeDensityofGaseousFuels2.2ANSIStandard:3ANSIZ83.11GasFoodServiceEquipment2.3ASHRAEDocuments:4ASHRAEHandbookofFundamentalsChapter6,Table2—Thermodynamic;Chapter6,Table2—ThermodynamicPropertiesofWateratSaturationASHRAEGuideline2-1986(RA90)EngineeringAnalysisofExperimentalData2.4NSFStandards:5NSFListing-FoodEquipmentandRelated,ComponentsandMaterialNSF/ANSI4Comm...