Manuals / Sterling / Kitchen Appliance / Refrigerator

Sterling specifications Access Levels, GP Series Portable Chillers, Operation, 26 of

Models: GP Series

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4-4 Access Levels

The controller is setup to allow access to three distinct password groups: operator, supervisor, and service. Operator access allows the user to modify the Leaving Water Temp, Hi Temp

GP Series Portable Chillers

Chapter 4: Operation

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Page 26

Image 26

Sterling specifications Access Levels, GP Series Portable Chillers, Operation, 26 of

Contents

We are committed to a continuing program of product improvement GP Series Portable ChillersPart Number Bulletin Number SC2-620 Effective 5/1/2009 ECN No Copyright 2009 All rights reservedIn the Event of Shipping Damage Shipping InformationUnpacking and Inspection If the Shipment is Not CompleteCHAPTER 3 INSTALLATION Table of ContentsCHAPTER 1 SAFETY CHAPTER 2 FUNCTIONAL DESCRIPTIONCHAPTER 7 APPENDIX CHAPTER 5 MAINTENANCECHAPTER 6 TROUBLESHOOTING Safety Symbols Used in this Manual Chapter 1 Safety1-1 How to Use This Manual 9 Use care when LOADING, UNLOADING, RIGGING, or MOVING this equipment 1-2 Warnings and Precautions9 Wear SAFETY GLASSES and WORK GLOVES SYSTEM. This must be performed by a qualified service technician only2-2 General Description Chapter 2 Functional Description2-1 Models Covered in This Manual Chilled Water CircuitOther Mechanical Features 2-3 Standard FeaturesMechanical Features Electrical FeaturesController Features 2-4 Safety Devices and InterlocksRefrigeration Features Other FeaturesFlow Switch 2-5 Optional FeaturesLow Pressure Cutout no switch but done through the transducer High Pressure CutoutMounting Features Construction Figure 1 Optional Pump AmperagesVoltage Full Load Amps3-2 Electrical Connections Chapter 3 Installation3-1 Uncrating 3-5 Galvanic Corrosion Considerations 3-3 Process Water Connections3-4 Bypass Valve Considerations 3-6 Water Treatment ConsiderationsAir-Cooled Chiller Condensers 3-7 Condenser ConsiderationsWater-Cooled Chiller Condensers Water Pumps Three-Phase Compressors3-8 Checking Motor Direction Condenser FanDescription 3-9 Water ReservoirPart Number Example 45F set point minus 20F = 25F Figure 2 Ethylene Glycol and Propylene Glycol CurvesFrom Figure 28, 25F equates to 10% by volume of glycol required Pe rce nt Glyc ol Cu rves for Free ze P rotec tion3-11 Initial Start-Up 3-12 Finishing Setup Setting Up Passwords3-10 Automatic Water Make-Up Option or the following screen for the Supervisor Password To set password protections1. Press the button to access the menu screen Chapter 3 InstallationGP Series Portable Chillers 6. Press to accept the Password and move to the next lineChapter 3 Installation 21 ofMicroprocessor Controller 4-1 Panel Buttons, Indicator Lights, and SwitchesChapter 4 Operation Figure 3 - Controller DisplayFigure 5 - Menu Screen 4-2 Initial Start-upFigure 4 - Main Status Screen Figure 6 - Operator Setpoints Screen 4-3 Status Screens Figure 7 - Main Status ScreenChapter 4 Operation 4-4 Access LevelsGP Series Portable Chillers 26 of27 of GP Series Portable ChillersChapter 4 Operation Controller Setpoints OperatorFigure 8 - Menu Screen Figure 9 - Operator Setpoints Screen 4-6 Alarms4-7 Optional Communications 31 of GP Series Portable ChillersChapter 4 Operation 5-1 Lubrication Chapter 5 Maintenance5-2 Filter Cleaning 5-3 Maintaining the Condenser5-5 Evaporator Process Piping Y-Strainer 5-6 Preventative Maintenance Service5-4 Maintaining the Evaporator Chapter 6 Troubleshooting 35 of Chapter 6 TroubleshootingGP Series Portable Chillers 7-1 Returned Material Policy Warranty ReturnsChapter 7 Appendix Credit ReturnsParts Department Service Department7-2 Technical Assistance Sales DepartmentG-PAC-20 7-3 SpecificationsAir-Cooled Portable Chillers G-PAC-3039 of GP Series Portable ChillersChapter 7 Appendix G-PAC-40G-PWC-30 Water-Cooled Portable ChillersG-PWC-20 G-PWC-4041 of GP Series Portable ChillersChapter 7 Appendix G-PWC-50Head ft 7-4 Pump Curves, Flow, and Pressure Considerations60 Hertz Pump Curves Capacity Gal/minCalculating Chiller Nominal Flow and Pressure to Process 7-5 Electrical Schematic