Designation:F2521−09(Reapproved2014)AnAmericanNationalStandardStandardSpecificationforHeavy-DutyRanges,GasandElectric1ThisstandardisissuedunderthefixeddesignationF2521;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoversheavy-dutyrangesthatusegasorelectricalheatsources,orboth,forcookingfoodinthecommercialandinstitutionalfoodserviceestablishments.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D3951PracticeforCommercialPackagingF760SpecificationforFoodServiceEquipmentManualsF1166PracticeforHumanEngineeringDesignforMarineSystems,Equipment,andFacilitiesF1275TestMethodforPerformanceofGriddlesF1496TestMethodforPerformanceofConvectionOvensF1521TestMethodsforPerformanceofRangeTops2.2ANSIStandards:3ANSIB1.1UnifiedInchScrewThreads(UNandUNRThreadForm)ANSIZ1.4SamplingProceduresandTablesforInspectionbyAttributesANSIZ21.41/CSA6.9Quick-DisconnectDevicesforUseWithGasFuelAppliancesANSIZ21.45FlexibleConnectorofOtherThanAll-MetalConstructionforGasAppliancesANSIZ83.11/CGA-1.8GasFoodServiceEquipment2.3NSFStandard:4NSF/ANSI4CommercialCooking,RethermalizationandPoweredHotFoodHoldingandTransportEquipment2.4NFPAStandard:5NFPA70/ANSIZ223NationalElectricalCodeNFPA54/ANSIZ223NationalFuelGasCode2.5ULStandard:6UL/ANSI197CommercialElectricalCookingAppliances2.6MilitaryStandards:7MIL-STD...
