AHRI-550-590--2011

i2011StandardforPerformanceRatingOfWater-ChillingandHeatPumpWater-HeatingPackagesUsingtheVaporCompressionCycleApprovedbyANSIonJune18,2012ANSI/AHRIStandard550/590(I-P)IMPORTANTSAFETYDISCLAIMERAHRIdoesnotsetsafetystandardsanddoesnotcertifyorguaranteethesafetyofanyproducts,componentsorsystemsdesigned,tested,rated,installedoroperatedinaccordancewiththisstandard/guideline.Itisstronglyrecommendedthatproductsbedesigned,constructed,assembled,installedandoperatedinaccordancewithnationallyrecognizedsafetystandardsandcoderequirementsappropriateforproductscoveredbythisstandard/guideline.AHRIusesitsbesteffortstodevelopstandards/guidelinesemployingstate-of-the-artandacceptedindustrypractices.AHRIdoesnotcertifyorguaranteethatanytestsconductedunderitsstandards/guidelineswillbenon-hazardousorfreefromrisk.AHRICERTIFICATIONPROGRAMPROVISIONSThescopeoftheCertificationProgramisdefinedbelow.Thisscopeiscurrentasofthepublicationdateofthestandard.RevisionstothescopeofthecertificationprogramcanbefoundonAHRIwebsite(ACCL)ProductInclusions•Chillersbetween0and200tonsRbmanufacturedpriortoJuly2011•Chillersbetween0and400tonsRbmanufacturedbetweenJuly2011andJuly2013•Chillersbetween0and600tonsRbmanufacturedafterJuly2013•UnitsselectedforusewithintherangeofApplicationRatingConditionsasperAHRIStandard550/590(I-P)•Hermeticoropentype,electricmotordriven•Upto600volts•Allcompressortypes•Unitsintendedforusewithglycolorothersecondarycoolantforfreezeprotectionwithaleavingchilledfluidtemperatureabove32.0°FarecertifiedwhentestedwithwateratStandardRatingConditionsNotea:50HzproductsselectivelycertifiedasperSection1.4oftheAir-CooledWaterChillingPackagesUsingVaporCompressionCycleOperationsManualNoteb:ThecoolingcapacityintonsRatfull-loadAHRIStandardRatingConditionsperTable1ofAHRIStandard550/590(I-P).60HzWater-CooledChiller(WCCL)ProductInclusions•Allcompressortypes;•Chillersratedbetween0and2,500tonsRcmanufacturedpriortoJanuary2012•Chillersratedbetween0and3,000tonsRcmanufacturedafterJanuary2012•Hermeticoropentypeelectricmotordriven•UnitsselectedforusewithintherangeofApplicationRatingConditionsasperAHRIStandard550/590(I-P)•Voltagesupto11,000volts•Voltagesupto15,000voltsafterJune15,2011•PositiveDisplacementUnitsintendedforusewithglycolorothersecondarycoolantforfreezeprotectionwithaleavingchilledfluidtemperatureabove32.0°FarecertifiedwhentestedwithwateratStandardRatingConditionsNotec:Ratedcapacity,tonsR,forPositiveDisplacementchillersisthenetcoolingcapacityatfull-loadAHRIStandardRatingConditionsperTable1ofAHRIStandard550/590(I-P).Ratedcapacity,tonsR,forcentrifugalchillersisthenetcoolingcapacityatfull-loadAHRIApplicationRatingConditionswithintherangepermittedinTable2ofAHRIStandard550/590(I-P).50HzWCCLProductInclusions•Centrifugal&screwcompressorchillers•Chillersratedbetween200and2500tonsRd•Hermetic&opentype,electricmotordriven•UnitsselectedforusewithintherangeofApplicationRatingConditionsasperAHRIStandard550/590(I-P)•Voltagesupto11,000volts•Voltagesupto15,000voltsmanufacturedafterJune15,2011•PositiveDisplacementUnitsintendedforusewithglycolorothersecondarycoolantforfreezeprotectionwithaleavingchilledfluidtemperatureabove32°FarecertifiedwhentestedwithwateratStandardRatingConditionsNoted:Ratedcapacity,tonsR,forPositiveDisplacementchillersisthenetcoolingcapacityatfull-loadAHRIStandardRatingConditionsperTable1ofAHRIStandard550/590.Ratedcapacity,tonsR,forcentrifugalchillersistheNetRefrigeratingCapacityatfull-loadApplicationRatingConditionswithintherangepermittedinTable2ofAHRIStandard550/590(I-P).ExcludedfromtheCertificationProgram:50Hzand60HzACCLProductExclusions•Condenserlesschillers•Evaporativelycooledchillers•Chillersabove200tonsRmanufacturedpriortoJuly2011•Chillersabove400tonsRmanufacturedpriortoJuly2013•Chillersabove600tonsR•Chillerswithvoltagesabove600volts•Glycolandothersecondarycoolantsareexcludedwhenleavingchillerfluidtemperatureisbelow32.0°F•CustomunitsasdefinedinthesectionspecificOperationsManual•FieldtrialunitsasdefinedinthesectionspecificOperationsManual•Heatrecovery&heatpumpratingsarenotcertified,howevermanufacturersmayelecttocertifythesechillersinthecoolingmodeandwiththeheatrecoveryoptionturnedoff•UnitsforuseoutsideofApplicationRatingConditions•Chillersthatarenotelectricallydriven,orthatuseopentypecompressorsnotsuppliedwithmotorsbythemanufacturer•50HzAir-Cooledunitsthatthemanufacturerelectsnottocertify60HzWCCLProductExclusions•Condenserlesschillers•Evaporativelycooledchillers•Chillersabove2500tonsRmanufacturedpriortoJanuary2012•Chillersabove3000tonsR•Chillerswithvoltagesabove11,000voltspriortoJune15,2011•Chillerswithvoltagesabove15,000volts•Chillersthatarenotelectricallydriven•Chillerswithmotorsnotsuppliedwiththeunitbythemanufacturer•Glycolandothersecondarycoolantsareexcludedwhenleavingchillerfluidtemperatureisbelow32.0°F•Customunitsasdefi