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Sterling GP Series specifications Optional Pump Amperages, Voltage, Construction, Full Load Amps

Models: GP Series

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Figure 1: Optional Pump Amperages

Voltage	Construction	HP	Full Load Amps

460/3/60	SS	1	1.7

		1.5	2.3

		2	4.0

		3	4.2

		5	8.2

		10	12.0

GP Series Portable Chillers

Chapter 2: Functional Description

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Page 12

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Sterling GP Series specifications Optional Pump Amperages, Voltage, Construction, Full Load Amps

Contents

GP Series Portable Chillers Part Number Bulletin Number SC2-620 Effective 5/1/2009We are committed to a continuing program of product improvement ECN No Copyright 2009 All rights reservedShipping Information Unpacking and InspectionIn the Event of Shipping Damage If the Shipment is Not CompleteTable of Contents CHAPTER 1 SAFETYCHAPTER 3 INSTALLATION CHAPTER 2 FUNCTIONAL DESCRIPTIONCHAPTER 5 MAINTENANCE CHAPTER 6 TROUBLESHOOTINGCHAPTER 7 APPENDIX Chapter 1 Safety 1-1 How to Use This ManualSafety Symbols Used in this Manual 1-2 Warnings and Precautions 9 Wear SAFETY GLASSES and WORK GLOVES9 Use care when LOADING, UNLOADING, RIGGING, or MOVING this equipment SYSTEM. This must be performed by a qualified service technician onlyChapter 2 Functional Description 2-1 Models Covered in This Manual2-2 General Description Chilled Water Circuit2-3 Standard Features Mechanical FeaturesOther Mechanical Features Electrical Features2-4 Safety Devices and Interlocks Refrigeration FeaturesController Features Other Features2-5 Optional Features Low Pressure Cutout no switch but done through the transducerFlow Switch High Pressure CutoutMounting Features Figure 1 Optional Pump Amperages VoltageConstruction Full Load AmpsChapter 3 Installation 3-1 Uncrating3-2 Electrical Connections 3-3 Process Water Connections 3-4 Bypass Valve Considerations3-5 Galvanic Corrosion Considerations 3-6 Water Treatment Considerations3-7 Condenser Considerations Water-Cooled Chiller CondensersAir-Cooled Chiller Condensers Three-Phase Compressors 3-8 Checking Motor DirectionWater Pumps Condenser Fan3-9 Water Reservoir Part NumberDescription Figure 2 Ethylene Glycol and Propylene Glycol Curves From Figure 28, 25F equates to 10% by volume of glycol requiredExample 45F set point minus 20F = 25F Pe rce nt Glyc ol Cu rves for Free ze P rotec tion3-12 Finishing Setup Setting Up Passwords 3-10 Automatic Water Make-Up Option3-11 Initial Start-Up To set password protections 1. Press the button to access the menu screenor the following screen for the Supervisor Password Chapter 3 Installation6. Press to accept the Password and move to the next line Chapter 3 InstallationGP Series Portable Chillers 21 of4-1 Panel Buttons, Indicator Lights, and Switches Chapter 4 OperationMicroprocessor Controller Figure 3 - Controller Display4-2 Initial Start-up Figure 4 - Main Status ScreenFigure 5 - Menu Screen Figure 6 - Operator Setpoints Screen 4-3 Status Screens Figure 7 - Main Status Screen4-4 Access Levels GP Series Portable ChillersChapter 4 Operation 26 ofGP Series Portable Chillers Chapter 4 Operation27 of Controller Setpoints OperatorFigure 8 - Menu Screen 4-6 Alarms 4-7 Optional CommunicationsFigure 9 - Operator Setpoints Screen GP Series Portable Chillers Chapter 4 Operation31 of Chapter 5 Maintenance 5-2 Filter Cleaning5-1 Lubrication 5-3 Maintaining the Condenser5-6 Preventative Maintenance Service 5-4 Maintaining the Evaporator5-5 Evaporator Process Piping Y-Strainer Chapter 6 Troubleshooting Chapter 6 Troubleshooting GP Series Portable Chillers35 of Warranty Returns Chapter 7 Appendix7-1 Returned Material Policy Credit ReturnsService Department 7-2 Technical AssistanceParts Department Sales Department7-3 Specifications Air-Cooled Portable ChillersG-PAC-20 G-PAC-30GP Series Portable Chillers Chapter 7 Appendix39 of G-PAC-40Water-Cooled Portable Chillers G-PWC-20G-PWC-30 G-PWC-40GP Series Portable Chillers Chapter 7 Appendix41 of G-PWC-507-4 Pump Curves, Flow, and Pressure Considerations 60 Hertz Pump CurvesHead ft Capacity Gal/minCalculating Chiller Nominal Flow and Pressure to Process 7-5 Electrical Schematic