AHRI 420-2008 Performance Rating of Forced-Circulation Free-Delivery Unit Coolers for Refrigeration

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1、AHRIStandard420(formerlyARIStandard420)2008StandardforPerformanceRatingofForced-CirculationFree-DeliveryUnitCoolersforRefrigerationIMPORTANTSAFETYDISCLAIMERAHRIdoesnotsetsafetystandardsanddoesnotcertifyorguaranteethesafetyofanyproducts,componentsorsystemsdesigned,tested,rated,i

2、nstalledoroperatedinaccordancewiththisstandard/guideline.Itisstronglyrecommendedthatproductsbedesigned,constructed,assembled,installedandoperatedinaccordancewithnationallyrecognizedsafetystandardsandcoderequirementsappropriateforproductscoveredbythisstandard/guideline.AHRIusesi

3、tsbesteffortstodevelopstandards/guidelinesemployingstate-of-the-artandacceptedindustrypractices.AHRIdoesnotcertifyorguaranteethatanytestsconductedunderitsstandards/guidelineswillbenon-hazardousorfreefromrisk.Note:ThisstandardsupersedesARIStandard420-2000.Price$10.00(Members)$20

4、.00(Non-Members)©Copyright2008,byAir-Conditioning,HeatingandRefrigerationInstitutePrintedinU.S.A.RegisteredUnitedStatesPatentandTrademarkOfficeTABLEOFCONTENTSSection1Purpose.........................................................................................................

5、.....................1Section2Scope.................................................................................................................................1Section3Definitions..............................................................................................

6、...........................1Section4TestRequirements............................................................................................................3Section5RatingRequirements...........................................................................................

7、..............4Section6MinimumDataRequirementsforPublishedRatings.......................................................5Section7MarkingandNameplateData...........................................................................................5Section8ConformanceConditions.....

8、......................................................