Manuals / Sterling / Kitchen Appliance / Refrigerator

Sterling GP Series Press to accept the Password and move to the next line, Installation, 21 of

Models: GP Series

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6.Press to accept the Password and move to the next line.

7.For either Operator or Supervisor password the time that the password will allow the controller to be active can be set by the Operator or Supervisor Password Time. With the

PW Time value highlighted, press or to increment or decrement the time. The password time for either setup can be from 0 to 99 minutes.

GP Series Portable Chillers

Chapter 3: Installation

21 of 44

Page 21

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Sterling Press to accept the Password and move to the next line, GP Series Portable Chillers, Installation, 21 of

Contents

Part Number Bulletin Number SC2-620 Effective 5/1/2009 GP Series Portable ChillersWe are committed to a continuing program of product improvement ECN No Copyright 2009 All rights reservedUnpacking and Inspection Shipping InformationIn the Event of Shipping Damage If the Shipment is Not CompleteCHAPTER 1 SAFETY Table of ContentsCHAPTER 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 9 Wear SAFETY GLASSES and WORK GLOVES 1-2 Warnings and Precautions9 Use care when LOADING, UNLOADING, RIGGING, or MOVING this equipment SYSTEM. This must be performed by a qualified service technician only2-1 Models Covered in This Manual Chapter 2 Functional Description2-2 General Description Chilled Water CircuitMechanical Features 2-3 Standard FeaturesOther Mechanical Features Electrical FeaturesRefrigeration Features 2-4 Safety Devices and InterlocksController Features Other FeaturesLow Pressure Cutout no switch but done through the transducer 2-5 Optional FeaturesFlow Switch High Pressure CutoutMounting Features Voltage Figure 1 Optional Pump AmperagesConstruction Full Load AmpsChapter 3 Installation 3-1 Uncrating3-2 Electrical Connections 3-4 Bypass Valve Considerations 3-3 Process Water Connections3-5 Galvanic Corrosion Considerations 3-6 Water Treatment Considerations3-7 Condenser Considerations Water-Cooled Chiller CondensersAir-Cooled Chiller Condensers 3-8 Checking Motor Direction Three-Phase CompressorsWater Pumps Condenser Fan3-9 Water Reservoir Part NumberDescription From Figure 28, 25F equates to 10% by volume of glycol required Figure 2 Ethylene Glycol and Propylene Glycol CurvesExample 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 1. Press the button to access the menu screen To set password protectionsor the following screen for the Supervisor Password Chapter 3 InstallationChapter 3 Installation 6. Press to accept the Password and move to the next lineGP Series Portable Chillers 21 ofChapter 4 Operation 4-1 Panel Buttons, Indicator Lights, and SwitchesMicroprocessor Controller Figure 3 - Controller Display4-2 Initial Start-up Figure 4 - Main Status ScreenFigure 5 - Menu Screen Figure 6 - Operator Setpoints Screen Figure 7 - Main Status Screen 4-3 Status ScreensGP Series Portable Chillers 4-4 Access LevelsChapter 4 Operation 26 ofGP Series Portable Chillers Chapter 4 Operation27 of Operator Controller SetpointsFigure 8 - Menu Screen 4-6 Alarms 4-7 Optional CommunicationsFigure 9 - Operator Setpoints Screen GP Series Portable Chillers Chapter 4 Operation31 of 5-2 Filter Cleaning Chapter 5 Maintenance5-1 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 Chapter 7 Appendix Warranty Returns7-1 Returned Material Policy Credit Returns7-2 Technical Assistance Service DepartmentParts Department Sales DepartmentAir-Cooled Portable Chillers 7-3 SpecificationsG-PAC-20 G-PAC-30Chapter 7 Appendix GP Series Portable Chillers39 of G-PAC-40G-PWC-20 Water-Cooled Portable ChillersG-PWC-30 G-PWC-40Chapter 7 Appendix GP Series Portable Chillers41 of G-PWC-5060 Hertz Pump Curves 7-4 Pump Curves, Flow, and Pressure ConsiderationsHead ft Capacity Gal/minCalculating Chiller Nominal Flow and Pressure to Process 7-5 Electrical Schematic