Sterling GP Series specifications Main Status Screen

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4-2 Initial Start-up

1.Verify the initial start-up checklist from Chapter 3, Section 3-11.

2.With the main supply power switch in the ON position, the screen will display the version of the software for a period of 5 seconds, and then display the main status screen.

Figure 4 - Main Status Screen

3.Set the Leaving Fluid temperature by depressing the button to display the menu.

Figure 5 - Menu Screen

4.Depress the or button to highlight SETPOINTS and press . If passwords were setup (See Section 3-12 for information on the controller passwords) the password screen will appear.

GP Series Portable Chillers

Chapter 4: Operation

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Contents GP Series Portable Chillers Shipping Information Table of Contents Maintenance Safety Symbols Used in this Manual SafetyHow to Use This Manual Responsibility Chilled Water Circuit Functional DescriptionModels Covered in This Manual General DescriptionElectrical Features Standard FeaturesMechanical 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 Electrical Connections InstallationUncrating Water Treatment Considerations Process Water ConnectionsBypass Valve Considerations Galvanic Corrosion ConsiderationsAir-Cooled Chiller Condensers Condenser ConsiderationsWater-Cooled Chiller Condensers Condenser Fan Three-Phase CompressorsChecking Motor Direction Water PumpsPart Number Description Water ReservoirEthylene Glycol and Propylene Glycol Curves Initial Start-Up Finishing Setup Setting Up PasswordsAutomatic Water Make-Up Option Page Page Microprocessor Controller Panel Buttons, Indicator Lights, and SwitchesOperation 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 LubricationEvaporator Process Piping Y-Strainer Preventative Maintenance ServiceMaintaining the Evaporator 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