Specifications

GENERAL
UnitsshallbemanufacturedbyUnitaryProductsinan
ISO9001certifiedfacility.LuxaireOvationunitsare
convertiblesinglepackageswithacommonfootprint
cabinetandcommonroofcurbforall6-1/2through12-
1/2tonmodels.Allunitshavetwocompressorswith
independentR-410Arefrigerationcircuitstoprovide2
stagesofcooling.Theunitsweredesignedforlight
commercialapplicationsandcanbeeasilyinstalledona
roofcurb,slab,orframe.Allunitsareself-containedand
assembledonrigidfullperimeterbaserailsallowingfor
3-wayforkliftaccessandoverheadrigging.Everyunitis
completelychargedwithR-410A,wired,piped,and
testedatthefactorytoprovideaquickandeasyfield
installation.Allunitsareconvertiblebetweensideand
downairflow.Independenteconomizerdesignsareused
onsideanddowndischargeapplications,aswellasall
tonnagesizes.Unitsareavailableinthefollowing
configurations:coolingonly,coolingwithelectricheat,
coolingwithgasheat,reheatonly,reheatwithelectric
heat,reheatwithgasheat,heatpumpandheatpump
withelectricheat.Electricheatersareavailableas
factory-installedoptionsorfield-installedaccessories.
DESCRIPTION
Unitsshallbefactoryassembled,singlepackage,
(Elec/Elec,Gas/Elec),designedforoutdoorinstallation.
Theyshallhavebuiltinfieldconvertibleductconnections
fordowndischargesupply/returnorhorizontaldischarge
supply/returnandbeavailablewithfactoryinstalled
optionsorfieldinstalledaccessories.Theunitsshallbe
factorywired,pipedandchargedwithR-410Arefrigerant
andfactorytestedpriortoshipment.Allunitwiringshall
bebothnumberedandcolorcoded.Thecooling
performanceshallberatedinaccordancewithDOEand
AHRItestprocedures.UnitsshallbeCSAcertifiedto
ANSIZ21.47andUL1995/CAN/CSANo.236-M90
standards.
UNIT CABINET
Unitcabinetshallbeconstructedofgalvanizedsteelwith
exteriorsurfacescoatedwithanon-chalking,powder
paintfinish,certifiedat1000hoursaltspraytestper
ASTM-B117standards.Indoorblowersectionsshallbe
insulatedwithupto1”thickinsulationcoatedonthe
airside.Eitheraluminumfoilfacedorelastometricrubber
insulationshallbeusedintheunit’scompartmentsand
befastenedtopreventinsulationfromenteringtheair
stream.Cabinetdoorsshallbehingedwithtoolless
accessforeasyservicingandmaintenance.Full
perimeterbaserailsshallbeprovidedtoassurereliable
transitofequipment,overheadrigging,forktruckaccess
andpropersealingonroofcurbapplications.Disposable
2”filtersshallbefurnishedasstandardandbe
accessiblethroughhingedaccessdoor.Fan
performancemeasuringportsshallbeprovidedonthe
outsideofthecabinettoallowaccurateair
measurementsofevaporatorfanperformancewithout
removingpanelsorcreatingbypassofthecoils.
Condensatepanshallbeslideoutdesign,constructedof
anoncorrosivematerial,internallyslopedand
conformingtoASHRAE62-B9standards.Condensate
connectionshallbeaminimumof¾”I.D.femaleandbe
rigidmountconnection.
OUTDOOR (CONDENSER) FAN ASSEMBLY
Theoutdoorfansshallbeofthedirectdrivetype,
dischargeairvertically,havealuminumbladesrivetedto
corrosionresistantsteelspiderbracketsandshallbe
dynamicallybalancedforsmoothoperation.Theoutdoor
fanmotorsshallhavepermanentlylubricatedbearings
internallyprotectedagainstoverloadconditionsand
stagedindependently.Acleaningwindowshallbe
providedontwosidesoftheunitsforcoilcleaning.
REFRIGERANT COMPONENTS
Compressors:
 a. Shallbefullyhermetictype,directdrive,internally
protectedwithinternalhigh-pressurereliefandover
temperatureprotection.Thehermeticmotorshallbe
suctiongascooledandhaveavoltagerangeof+or
–10%oftheunitnameplatevoltage.
 b. Shallhaveinternalspringisolationandsound
mufflingtominimizevibrationandnoise,andbe
externallyisolatedonadedicated,independent
mounting.

Coils:
 a. Evaporatorcoilsshallhavealuminumplatefins
mechanicallybondedtoseamlessinternally
enhancedcoppertubeswithalljointsbrazed.Special
Phenoliccoatingshallbeavailableasafactory
option.
 b. Evaporatorcoilsshallbeofthedirectexpansion,
draw-thrudesign.
 c. Condensercoilsshallhavealuminumplatefins
mechanicallybondedtoseamlessinternally
enhancedcoppertubeswithalljointsbrazedor
Micro-Channelaluminumtube,aluminumfins.
SpecialPhenoliccoatingshallbeavailableasa
factoryoption.
 d. Condensercoilsshallbeofthedraw-thrudesign.

RefrigerantCircuitandRefrigerantSafetyComponents
shallinclude:
 a. Independentfixed-orificeorthermallyoperated
expansiondevices.
 b. Solidcorefilterdrier/strainertoeliminateany
moistureorforeignmatter.
UnitarySalesToolv1.5.8.0 Informationissubjecttochangewithoutnotice.Checklocalcodes. Printed10/20/2014

Guide Specification for
Luxaire Ovation
Page:6
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