ASHRAE.HandBook_34-2008 CHIMNEY VENT AND FIREPLACE SYSTEMS

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1、RelatedCommercialResourcesCHAPTER34CHIMNEY,VENT,ANDFIREPLACESYSTEMSTerminology.............................................................................34.1FireplaceChimneys................................................................34.20DraftOperatingPrinciples.......................

2、...............................34.1AirSupplytoFuel-BurningAppliances.................................34.26ChimneyFunctions..................................................................34.2VentandChimneyMaterials..................................................34.26Steady-StateChimneyDes

3、ignEquations.................................34.3VentandChimneyAccessories...............................................34.28Steady-StateChimneyDesignGraphicalSolutions...............34.11DraftFans..............................................................................34.29VentandChim

4、neyCapacityCalculationExamples...............34.12Terminations:CapsandWindEffects....................................34.30GasApplianceVenting...........................................................34.18CodesandStandards..............................................................34.32Oil

5、-FiredApplianceVenting..................................................34.19Symbols..................................................................................34.32PROPERLYdesignedchimneyorventsystemprovidesandVentedgas-firedapplianceshavebeengroupedbydraftandflueAcontrolsdrafttoconve

6、yfluegasfromanappliancetotheout-gasconditionsasfollowsbyinstallationcodesinCanada(CSAdoors.Thischapterdescribesthedesignofchimneysandventsys-B149.1)andintheUnitedStates(ANSI/NFPA54/ANSI/AGAtemsthatdischargefluegasfromappliancesandfireplacesystems.Z223.1):Sustainability.Goodchimneyandventdesi

7、gnisnotonlya1.CategoryIappliancesoperatewithnonpositiveventstaticpres-safetyissue,butalsocanenhanceabuilding’ssustainability.Thissureandaventgastemperaturethatavoidsexcessivecondensatechapterexplainshowtodesignventsystemstooptimizeandmini-productio