Instruction Manual

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30
Operational Limitations
CompressorOperatingLimitations UCA
MaximumCompressionRatio 5.7:1
MinimumOperatingPressureDifferential(psi) 85
MaximumOperatingPressureDifferential(psi) 475
MinimumDischargePressure(psig) 235
MaximumDischargePressure(psig) 590
operationbeyondtheselimitationsmaycause MinimumSuctionPressure(NoGlycol)(psig) 95
seriousdamagetothecompressor. MinimumSuctionPressure(WithGlycol)(psig) 70
MaximumSuctionPressure(psig) 155
MaximumDischargeTemperature(°F) 265
MinimumSubcooling(°F) 8
Maximum
Subcooling(°F) 14
Voltage MinimumVoltage MaximumVoltage MinimumSuperheatatCompressor(°F) 6
208/230/3/60 187 253 MaximumSuperheatatCompressor(°F) 12
460/3/60 414 506 MaximumOilTemperature(Max)(°F) 200
575/3/60 518 632 MaximumSaturationDischargeTemperature(°F) 145
Thefollowingvoltagelimitationsareabsoluteand
VoltageLimitations
WaterFlowData UCA020 UCA030
MinimumEvaporatorWaterFlow(gpm) 23 34
MaximumEvaporatorWaterFlow(gpm) 113 164
MinimumLeavingEvaporatorWaterTemperature(NoGlycol)(°F) 40 40
Minimum Leaving Evaporator Water Temperature (with Glycol)(
°
F)
20
20
Minimum

Leaving

Evaporator

Water

Temperature

(with

Glycol)( F)
20
20
MaximumLeavingEvaporatorWaterTemperature(°F) 60 60
MinimumEvaporatorWaterDifferentialTemperature(°F) 4.5 4.6
MaximumEvaporatorWaterDifferentialTemperature(°F) 20 20
MinimumEnteringCondenserAirTemperature(°F) Ǧ20 Ǧ20
MaximumEnteringCondenserAirTemperature(@30FTD)((°F) 115 115
MaximumCondenserTemperatureDifferential(°F) 25 25