Sterling GP Series User Manual

GP Series Portable Chillers Part Number: 882.93092.00 Bulletin Number: SC2-620 Effective: 5/1/2009 Write Down Your Serial Nu

GP Series Portable Chillers Chapter 2: Functional Description 10 of 44 High Pressure Cutout This electro-mechanical cutout device opens the compress

GP Series Portable Chillers Chapter 2: Functional Description 11 of 44 interlock. The alarm signals anytime that a fault is recognized during the op

GP Series Portable Chillers Chapter 2: Functional Description 12 of 44 Figure 1: Optional Pump Amperages Voltage Construction HP Full Load Amps

GP Series Portable Chillers Chapter 3: Installation 13 of 44 Chapter 3: Installation 3-1 Uncrating All models are are shipped mounted on a skid, e

GP Series Portable Chillers Chapter 3: Installation 14 of 44 3-3 Process Water Connections All of our portable chillers have two chilled water co

GP Series Portable Chillers Chapter 3: Installation 15 of 44 3-7 Condenser Considerations Water-Cooled Chiller Condensers Water-cooled portable chil

GP Series Portable Chillers Chapter 3: Installation 16 of 44 3-8 Checking Motor Direction All of our portable chillers have their motor rotations p

GP Series Portable Chillers Chapter 3: Installation 17 of 44 3-9 Water Reservoir All portable chillers shipped during the fall, winter, or spring, o

GP Series Portable Chillers Chapter 3: Installation 18 of 44 Figure 2: Ethylene Glycol and Propylene Glycol Curves Perce nt Glycol Curvesfor Freeze

GP Series Portable Chillers Chapter 3: Installation 19 of 44 3-10 Automatic Water Make-Up Option The chiller may be connected to an automatic make-

GP Series Portable Chillers ii Shipping Information Unpacking and Inspection You should inspect your equipment for possible shipping damage. Thorou

GP Series Portable Chillers Chapter 3: Installation 20 of 44 Operator Password. If you define a password for operators, then a password will be req

GP Series Portable Chillers Chapter 3: Installation 21 of 44 6. Press to accept the Password and move to the next line. 7. For either Operator or

GP Series Portable Chillers Chapter 4: Operation 22 of 44 Chapter 4: Operation 4-1 Panel Buttons, Indicator Lights, and Switches Microprocessor C

GP Series Portable Chillers Chapter 4: Operation 23 of 44 4-2 Initial Start-up 1. Verify the initial start-up checklist from Chapter 3, Section 3-1

GP Series Portable Chillers Chapter 4: Operation 24 of 44 Enter the established Operator Password by depressing the to move the position of the c

GP Series Portable Chillers Chapter 4: Operation 25 of 44 Elevated sound level and substantially reduced current draw indicate reverse rotation. Aft

GP Series Portable Chillers Chapter 4: Operation 26 of 44 4-4 Access Levels The controller is setup to allow access to three distinct passw

GP Series Portable Chillers Chapter 4: Operation 27 of 44 Warning, and Hi Temp Fault setpoints. Supervisor access allows the supervisor to modify th

GP Series Portable Chillers Chapter 4: Operation 28 of 44 4-5 Controller Setpoints Access Level Variable Description Operator Supervisor Leaving Te

GP Series Portable Chillers Chapter 4: Operation 29 of 44 1. Set the Leaving Fluid temperature by depressing the button to display the menu. Figu

GP Series Portable Chillers iii Table of Contents CHAPTER 1: SAFETY...5 1-1 How to U

GP Series Portable Chillers Chapter 4: Operation 30 of 44 the to accept the password. The following screen will appear. Figure 9 - Operator Setpoi

GP Series Portable Chillers Chapter 4: Operation 31 of 44

GP Series Portable Chillers Chapter 5: Maintenance 32 of 44 Chapter 5: Maintenance 5-1 Lubrication Grease all blower bearings, fan and blower moto

GP Series Portable Chillers Chapter 5: Maintenance 33 of 44 Caution! Do not use steam or water over 140ºF (60ºC) to clean a condenser unless you ar

GP Series Portable Chillers Chapter 6: Troubleshooting 34 of 44 Chapter 6: Troubleshooting Problem Possible cause Solution No power. Check main

GP Series Portable Chillers Chapter 6: Troubleshooting 35 of 44 Problem Possible cause Solution Pump running in reverse. Verify rotation; if runni

GP Series Portable Chillers Chapter 7: Appendix 36 of 44 Chapter 7: Appendix 7-1 Returned Material Policy Credit Returns Prior to the return of a

GP Series Portable Chillers Chapter 7: Appendix 37 of 44 7-2 Technical Assistance Parts Department Call toll-free 7am–5pm CST [800] 423-3183 or call

GP Series Portable Chillers Chapter 7: Appendix 38 of 44 7-3 Specifications Air-Cooled Portable Chillers Nominal operating parameters for air-cooled

GP Series Portable Chillers Chapter 7: Appendix 39 of 44 G-PAC-40 PERFORMANCE (NOMINAL DESIGN CONDITIONS) COOLING CAPACITY 10.11 TONS ALTITUDE

GP Series Portable Chillers iv 4-1 Panel Buttons, Indicator Lights, and Switches...22 Micro

GP Series Portable Chillers Chapter 7: Appendix 40 of 44 Water-Cooled Portable Chillers Nominal operating parameters for water-cooled models are 50º

GP Series Portable Chillers Chapter 7: Appendix 41 of 44 COOLANT SUPPLY TEMPERATURE 50 °F COMPRESSOR POWER 8323 WATTS CONDENSER INLET WATER TEM

GP Series Portable Chillers Chapter 7: Appendix 42 of 44 7-4 Pump Curves, Flow, and Pressure Considerations 60 Hertz Pump Curves 1 HP CDX 70/1061.5

GP Series Portable Chillers Chapter 7: Appendix 43 of 44 Calculating Chiller Nominal Flow and Pressure to Process • Flow rate: Obtain the flow rea

GP Series Portable Chillers Chapter 7: Appendix 44 of 44 7-5 Electrical Schematic Please refer to your owner’s information packet for more details

GP Series Portable Chillers Chapter 1: Safety 5 of 44 Chapter 1: Safety 1-1 How to Use This Manual Use this manual as a guide and reference for i

GP Series Portable Chillers Chapter 1: Safety 6 of 44 1-2 Warnings and Precautions Our equipment is designed to provide safe and reliable operation

GP Series Portable Chillers Chapter 2: Functional Description 7 of 44 Chapter 2: Functional Description 2-1 Models Covered in This Manual This ma

GP Series Portable Chillers Chapter 2: Functional Description 8 of 44 The refrigerant is compressed in the compressor and flows through the discharg

GP Series Portable Chillers Chapter 2: Functional Description 9 of 44 Refrigeration Features • HFC-410a refrigerant • Electronic hot gas bypass ca