Sterling specifications GP Series Portable Chillers Operation

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GP Series Portable Chillers

Chapter 4: Operation

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Contents GP Series Portable Chillers Shipping Information Table of Contents Maintenance How to Use This Manual SafetySafety Symbols Used in this Manual Responsibility Chilled Water Circuit Functional DescriptionModels Covered in This Manual General DescriptionMechanical Features Standard FeaturesElectrical Features Other Features Safety Devices and InterlocksRefrigeration Features Controller FeaturesRemote Start/Stop Interlock Optional FeaturesFlow Switch High Pressure CutoutMounting Features Optional Pump Amperages Voltage Construction Full Load Amps Uncrating InstallationElectrical Connections Water Treatment Considerations Process Water ConnectionsBypass Valve Considerations Galvanic Corrosion ConsiderationsWater-Cooled Chiller Condensers Condenser ConsiderationsAir-Cooled Chiller Condensers Condenser Fan Three-Phase CompressorsChecking Motor Direction Water PumpsPart Number Description Water ReservoirEthylene Glycol and Propylene Glycol Curves Automatic Water Make-Up Option Finishing Setup Setting Up PasswordsInitial Start-Up Page Page Operation Panel Buttons, Indicator Lights, and SwitchesMicroprocessor Controller Main Status Screen Operator Setpoints Screen Status Screens Access Levels Page Controller Setpoints Menu Screen Optional Communications AlarmsGP Series Portable Chillers Operation Maintaining the Condenser MaintenanceFilter Cleaning LubricationMaintaining the Evaporator Preventative Maintenance ServiceEvaporator Process Piping Y-Strainer GP Series Portable Chillers Troubleshooting TroubleshootingGP Series Portable Chillers Troubleshooting Credit Returns Warranty ReturnsAppendix Returned Material PolicySales Department Service DepartmentTechnical Assistance Parts DepartmentAir-Cooled Portable Chillers SpecificationsPAC-40 PWC-20 Water-Cooled Portable ChillersPWC-50 Hertz Pump Curves Pump Curves, Flow, and Pressure ConsiderationsCalculating Chiller Nominal Flow and Pressure to Process Electrical Schematic