Instruction Manual

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6
Physical Data
ModelUCA 20 30
19.0 28.7
EER 10.8 10.8
22
scroll scroll
22
10 15
39 48
1,710 1,870
1,495 1,655
20 30
T.E. T.E.
HP 1.5 1.5
12
FanType Axial Axial
Diameter 31.5" 31.5
Airflow(cfmpercircuit) 6000 9,800
RPM 850 850
650 650
20 30
FinMaterial Aluminum Aluminum
TubeMaterial Copper Copper
Dimensions(Quantity) 22"x78"(4) 22"x78"(4)
RowsDeep 34
FinsPerInch 12 12
20 30
BrazedPlate BrazedPlate
22
2.6 2.6
39.6 39.6
Min 23 35
Max 77 116
300 300
6" 6"
Notes:
1.UnittonnageARIratingconditions:44°Fleavingchilledwatertemperature,95°Fenteringcondenserairtemprature,flowrateis
2.4GPMpertonthroughtheevaporatorwitha.0001foulingfactor.
2.Mainheaderwater/fluidconnectionsareASME,6"scheduled40pipewithgroovedcouplings,300psigmanimumworkingpressure.
3.
Moduleoperationalweightincludeswater,compressoroil,andrefrigerantcharge.Multiplytimesthenumberofmodulesfora
totalsystemoperationalweight.
4.Unitshippingweightincludesrefrigerantcharge,compressoroilandpackaging.
5.Theminimum/maximumflowratesarebasedonanapproximatetemperaturedifferentialof5.9
°Fto20°Fthroughthe
evaporator.
HeaderWaterConnectionsͲInlet/Outlet(inches)²
MaximumDesignWorkingPressureͲrefrigerant(PSI)
HeatExchanger(Type)
IndependentRefrigerantCircuits(quantity)
WaterStorageVolumeHXOnly(gals.)
CondenserCoils
Evaporator
CondenserFans
Capacity(Tons)¹
RefrigerantCircuits(quantity)
CompressorType
FlowRate(GPM)ϻ
MaximumDesignWorkingPressureͲWaterSide(PSI)
CompressorQuantity
CompressorNominalHp(percircuit)
RefrigerantCharge(percircuit)RͲ410A(lbs)
ModuleOperatingWeightw/Water(lbs)³
ModuleShippingWeight(lbs)Ϻ
Quantity
MotorType
WaterStorageVolumeHXPlus6"MainHeaders(gals)