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1、ApplicationsEngineeringManualChilled-WaterVAVSystemsSeptember2009SYS-APM008-ENChilled-WaterVAVSystemsJohnMurphy,applicationsengineerBethBakkum,informationdesignerPrefaceAsaleadingHVACmanufacturer,wedeemitourresponsibilitytoservethebuildingindustrybyregularlydisseminatinginformationth
2、atpromotestheeffectiveapplicationofbuildingcomfortsystems.Forthatreason,weregularlypublisheducationalmaterials,suchasthisone,toshareinformationgatheredfromlaboratoryresearch,testingprograms,andpracticalexperience.Thispublicationfocusesonchilled-water,variable-air-volume(VAV)systems.T
3、hesesystemsareusedtoprovidecomfortinawiderangeofbuildingtypesandclimates.Toencourageproperdesignandapplicationofachilled-waterVAVsystem,thisguidediscussestheadvantagesanddrawbacksofthesystem,reviewsthevariouscomponentsthatmakeupthesystem,proposessolutionstocommondesignchallenges,expl
4、oresseveralsystemvariations,anddiscussessystem-levelcontrol.Weencourageengineeringprofessionalswhodesignbuildingcomfortsystemstobecomefamiliarwiththecontentsofthismanualandtouseitasareference.Architects,buildingowners,equipmentoperators,andtechniciansmayalsofindthispublicationofinter
5、estbecauseitaddressessystemlayoutandcontrol.Trane,inproposingthesesystemdesignandapplicationconcepts,assumesnoresponsibilityfortheperformanceordesirabilityofanyresultingsystemdesign.DesignoftheHVACsystemistheprerogativeandresponsibilityoftheengineeringprofessional.“Trane”andtheTranel
6、ogoareregisteredtrademarks,andTRACE,SystemAnalyzerandTAParetrademarksofTrane,abusinessofIngersoll-Rand.©2009Trane.AllrightsreservedChilled-WaterVAVSystemsSYS-APM008-ENContentsPreface.................................................................................................iiOve
7、rviewofaChilled-WaterVAVSystem...........................1BasicSystemOperation...................................................................3BenefitsofChilled-WaterVAVSystems...........................................6Drawbacks/ChallengesofChilled-WaterVAVSystems................
8、....9CommonB