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Sterling GP Series Technical Assistance, Parts Department, Service Department, Sales Department

Models: GP Series

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7-2 Technical Assistance

Parts Department

Call toll-free 7am–5pm CST [800] 423-3183 or call [262] 641-8610, Fax [262] 641-8653

The ACS Customer Service Group will provide your company with genuine OEM quality parts manufactured to engineering design specifications, which will maximize your equipment’s performance and efficiency. To assist in expediting your phone or fax order, please have the model and serial number of your unit when you contact us. A customer replacement parts list is included in this manual for your convenience. ACS welcomes inquiries on all your parts needs and is dedicated to providing excellent customer service.

Service Department

Call toll-free 8am–5pm CST [800] 423-3183 or call [262] 641-8610

Emergencies after 5pm CST, call [847] 439-5655

We have a qualified service department ready to help. Service contracts are available for most products.

Sales Department

Call [262] 641-8610 Monday–Friday, 8am–5pm CST

Our products are sold by a world-wide network of independent sales representatives. Contact our Sales Department for the name of the sales representative nearest you.

Contract Department

Call [262] 641-8610 Monday–Friday, 8am–5pm CST

Let us install your system. The Contract Department offers any or all of these services: project planning; system packages including drawings; equipment, labor, and construction materials; and union or non-union installations.

Sterling, Inc

2900 S. 160th Street

New Berlin, WI 53151

www.sterlco.com

GP Series Portable Chillers

Chapter 7: Appendix

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Sterling GP Series Technical Assistance, Parts Department, Service Department, Sales Department, Contract Department

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 6 TROUBLESHOOTING CHAPTER 5 MAINTENANCECHAPTER 7 APPENDIX 1-1 How to Use This Manual Chapter 1 SafetySafety 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 Amps3-1 Uncrating Chapter 3 Installation3-2 Electrical Connections 3-4 Bypass Valve Considerations 3-3 Process Water Connections3-5 Galvanic Corrosion Considerations 3-6 Water Treatment ConsiderationsWater-Cooled Chiller Condensers 3-7 Condenser ConsiderationsAir-Cooled Chiller Condensers 3-8 Checking Motor Direction Three-Phase CompressorsWater Pumps Condenser FanPart Number 3-9 Water ReservoirDescription 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 tion3-10 Automatic Water Make-Up Option 3-12 Finishing Setup Setting Up Passwords3-11 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 DisplayFigure 4 - Main Status Screen 4-2 Initial Start-upFigure 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 ofChapter 4 Operation GP Series Portable Chillers27 of Operator Controller SetpointsFigure 8 - Menu Screen 4-7 Optional Communications 4-6 AlarmsFigure 9 - Operator Setpoints Screen Chapter 4 Operation GP Series Portable Chillers31 of 5-2 Filter Cleaning Chapter 5 Maintenance5-1 Lubrication 5-3 Maintaining the Condenser5-4 Maintaining the Evaporator 5-6 Preventative Maintenance Service5-5 Evaporator Process Piping Y-Strainer Chapter 6 Troubleshooting GP Series Portable Chillers Chapter 6 Troubleshooting35 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