AHRI 840-1998 Unit Ventilators

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1、AHRIStandard840(fAHRIStandard840ormerlyARIStandard840)(formerlyARIStandard840)1998StandardforUnitVentilatorsIMPORTANTSAFETYRECOMMENDATIONSItisstronglyrecommendedthattheproductbedesigned,constructed,assembledandinstalledinaccordancewithnationallyrecognizedsafetyreq

2、uirementsappropriateforproductscoveredbythisstandard.AHRI,asamanufacturers'tradeassociation,usesitsbesteffortstodevelopstandardsemployingstate-of-the-artandacceptedindustrypractices.However,AHRIdoesnotcertifyorguaranteesafetyofanyproducts,componentsorsystemsdesign

3、ed,tested,rated,installedoroperatedinaccordancewiththesestandardsorthatanytestsconductedunderitsstandardswillbenon-hazardousorfreefromrisk.Note:Thisisanewstandard.Price$10.00(M)$20.00(NM)©Copyright1998,byAir-Conditioning,HeatingandRefrigerationInstitutePrintedinU.

4、S.A.RegisteredUnitedStatesPatentandTrademarkOfficeTABLEOFCONTENTSSECTIONPAGESection1.Purpose..............................................................................................................................1Section2.Scope...............................

5、..................................................................................................1Section3.Definitions.........................................................................................................................1Section4.Classification

6、s....................................................................................................................3Section5.TestingandRatingRequirements......................................................................................3Section6.MinimumDataRe

7、quirementsforPublishedRatings........................................................6Section7.OperatingRequirements....................................................................................................6Section8.MarkingandNameplateData...............

8、.............................................................................6Section9.VoluntaryConformance.............................................