ASHRAE.HandBook_01-2007 RESIDENCES

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1、RelatedCommercialResourcesCHAPTER1RESIDENCESSystems............................................................................................................................................1.1EquipmentSizing.................................................................................

2、............................................1.2Single-FamilyResidences...............................................................................................................1.2MultifamilyResidences.....................................................................................

3、..............................1.5ManufacturedHomes......................................................................................................................1.6PACE-CONDITIONINGsystemsforresidentialusevarywithFig.1TypicalResidentialInstallationofHeating,Cooling,Sbothlocalandappl

4、icationfactors.LocalfactorsincludeenergyHumidifying,andAirFilteringSystemsourceavailability(presentandprojected)andprice;climate;socio-economiccircumstances;andtheavailabilityofinstallationandmaintenanceskills.Applicationfactorsincludehousingtype,con-structioncharacteristics,andbuildingcod

5、es.Asaresult,manydif-ferentsystemsareselectedtoprovidecombinationsofheating,cooling,humidification,dehumidification,andairfiltering.Thischapteremphasizesthemorecommonsystemsforspacecondition-ingofbothsingle-family(i.e.,traditionalsite-builtandmodularormanufacturedhomes)andmultifamilyreside

6、nces.Low-risemulti-familybuildingsgenerallyfollowsingle-familypracticebecauseconstraintsfavorcompactdesigns.Retrofitandremodelingcon-structionalsoadoptthesamesystemsasthosefornewconstruction,butsite-specificcircumstancesmaycallforuniquedesigns.SYSTEMSCommonresidentialsystemsarelistedinTabl

7、e1.Threegener-allyrecognizedgroupsarecentralforcedair,centralhydronic,andzonedsystems.Systemselectionanddesigninvolvesuchkeydeci-sionsas(1)source(s)ofenergy,(2)meansofdistributionanddeliv-ery,and(3)terminaldevice(s).Climatedeterminestheservicesneeded.Heatingan