commercial testing laboratory paragon’s modulating ......paragon’s modulating capacity –...

CASESTUDYAPPLICATION:CommercialTestingLaboratoryPRODUCTSPOTLIGHT:Paragon’sModulatingCapacity–PreciseIAQ

ACaptiveAireParagonunitwascommissionedthispastFebruaryforacommerciallaboratoryinMaryland.Theexistingspaceconditionspriortotheinstallationwerepoor,withoverpoweringFormaldehydesmell.TheParagonunitquicklyandsignificantlyimprovedtheindoorairqualitybybringingin100%freshoutsideairwithpreciseconditioning.

Over3monthsofcontinuousoperationsincecommissioning:

• Maintainedspacetemperaturewithinthe68°Fand73°Fsetpoints97%ofthetime

• Spacetemperaturesneverexceeded+/-2°Foftherange• Coolingwithreheatfunctionalitymaintainedthespacerelative

humiditybelowthedesired58%RHsetpoint97%ofthetime

Theunit’soperationhasspannedFebruarythroughearlyMay.TraditionalOn/Offunitshavedifficultymeetingthelowerdemandsofthistransitionseasonduetoexcessivecycling.TheParagon’smodulatingheatingandcoolingcapabilitiesturndowntomeetthis“shoulderseason”demand.

• Combinedheatingandcoolingruntimesof38and13days,respectively• Averagecompressorspeedat38%offullspeed• Averagecompressorruntimeof70minutes–cyclingreduction

protectstheunitandextendsitsusefullife

CONCLUSION:CaptiveAire’sParagonunitmetthelaboratory’stightspaceconditioningdemandswhilealsodeliveringfreshoutsideair.Theemployeescommentedonthedrasticdifferenceinindoorairqualityandthemanagerwasveryhappywiththeimprovement.

AverageCompressorSpeed

CompressorSpeedDistribution

InstalledParagonUnitattheLaboratoryPercentofTimeatSpaceConditionSinceCommissioning