Sterling GP Series Pump Curves, Flow, and Pressure Considerations, Hertz Pump Curves

Page 42

7-4 Pump Curves, Flow, and Pressure Considerations

60 Hertz Pump Curves

 

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

120

 

 

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

design 4

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

design 3

 

 

 

3U 32-200-1-10HP

 

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 HP 2CDX 200/506

80

 

 

 

 

 

 

 

 

2CDX 120/406

 

3U 32-200-1-7.5HP

 

 

 

 

 

 

 

 

 

Head [ft]

150

 

 

 

 

 

 

 

 

 

Psi

 

 

 

 

 

 

3 HP 2CDX 120/306

 

 

60

 

 

 

 

 

design 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.5 HP CDX 70/156

 

2 HP CDX 120/206

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

100

 

 

 

design 1

 

2CDX 120/206

 

 

 

 

 

 

 

 

 

 

 

 

40

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 HP CDX 70/106

 

 

 

 

 

 

 

 

50

 

 

 

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

 

0

 

 

0

10

20

30

40

50

60

70

80

 

 

Capacity [Gal/min]

GP Series Portable Chillers

Chapter 7: Appendix

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Contents GP Series Portable Chillers Shipping Information Table of Contents Maintenance Safety How to Use This ManualSafety Symbols Used in this Manual Responsibility General Description Functional DescriptionModels Covered in This Manual Chilled Water CircuitStandard Features Mechanical FeaturesElectrical Features Controller Features Safety Devices and InterlocksRefrigeration Features Other FeaturesHigh Pressure Cutout Optional FeaturesFlow Switch Remote Start/Stop InterlockMounting Features Optional Pump Amperages Voltage Construction Full Load Amps Installation UncratingElectrical Connections Galvanic Corrosion Considerations Process Water ConnectionsBypass Valve Considerations Water Treatment ConsiderationsCondenser Considerations Water-Cooled Chiller CondensersAir-Cooled Chiller Condensers Water Pumps Three-Phase CompressorsChecking Motor Direction Condenser FanWater Reservoir Part Number DescriptionEthylene Glycol and Propylene Glycol Curves Finishing Setup Setting Up Passwords Automatic Water Make-Up OptionInitial Start-Up Page Page Panel Buttons, Indicator Lights, and Switches OperationMicroprocessor Controller Main Status Screen Operator Setpoints Screen Status Screens Access Levels Page Controller Setpoints Menu Screen Alarms Optional CommunicationsGP Series Portable Chillers Operation Lubrication MaintenanceFilter Cleaning Maintaining the CondenserPreventative Maintenance Service Maintaining the EvaporatorEvaporator Process Piping Y-Strainer Troubleshooting GP Series Portable Chillers TroubleshootingGP Series Portable Chillers Troubleshooting Returned Material Policy Warranty ReturnsAppendix Credit ReturnsParts Department Service DepartmentTechnical Assistance Sales DepartmentSpecifications Air-Cooled Portable ChillersPAC-40 Water-Cooled Portable Chillers PWC-20PWC-50 Pump Curves, Flow, and Pressure Considerations Hertz Pump CurvesCalculating Chiller Nominal Flow and Pressure to Process Electrical Schematic