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Sterling
882.93092.01 manual GP Series Portable Chillers Appendix
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Troubleshooting
Specifications
Install
Piping Diagrams
Maintenance
Configuration Settings
Non-Controller Related Issues
System fault
Alarms
Three-Phase Compressors
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GP Series Portable Chillers
Chapter 7: Appendix
86 of 90
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Contents
GP Series Portable Chillers
Shipping Information
Table of Contents
Chapter Troubleshooting
Safety Symbols Used in this Manual
Safety
How to Use This Manual
Wear Safety Glasses and Work Gloves
Responsibility
General Description
Functional Description
Models Covered in This Manual
Typical Applications
Chilled Water Circuit
Refrigeration Circuit
System Control
Standard Features
Mechanical Features
Electrical Features
Refrigeration Features
Other Features
Safety Devices and Interlocks
Controller Features
Crankcase Heater
High Pressure Cutout
Remote Start/Stop Interlock
Optional Features
Flow Switch
Mounting Features
Electrical Connections
Installation
Uncrating
Process Water Connections
Bypass Valve Considerations
Condenser Considerations
Galvanic Corrosion Considerations
Water Treatment Considerations
Water-Cooled Chiller Condensers
Typical GP20-50 Water Cooled Condenser Connections
Air-Cooled Chiller Condensers
Remote Air-Cooled Chiller Condensers
Towards the condenser
GPRC-40
GPRC-105
Discharge Line Sizing
Refrigerant Charge Determination
Remote Condenser Configurations
Water Pumps
Three-Phase Compressors
Checking Motor Direction
Condenser Fan
Water Reservoir
Part Number Description
Suggested Overhead Piping Configuration
Pump
Automatic Water Make-Up Option
Initial Start-Up
Page
Finishing Setup Setting Up Passwords
Supervisor Password to complete the security setup
Microprocessor Controller
Panel Buttons, Indicator Lights, and Switches
Operation
Main Status Screen
Status Screens
Operator Setpoints Screen
Main Chiller Status Screen
GP Series Portable Chillers Operation
Page
Access Levels
Controller Setpoints
GP Series Portable Chillers Operation
Menu Screen
Operator Setpoints Screen
Configuration Settings
These configurations are described below
WEB
Alarms
Optional Communications
Lubrication
Maintenance
Filter Cleaning
Maintaining the Condenser
Evaporator Process Piping Y-Strainer
Preventative Maintenance Service
Maintaining the Evaporator
Troubleshooting
Identifying the Cause of a Problem
GP Series Portable Chillers Troubleshooting
SC/W
System fault
GP Series Portable Chillers Troubleshooting
Non-Controller Related Issues
Problem Possible cause Solution
GP Series Portable Chillers Troubleshooting
GP Series Portable Chillers Troubleshooting
Technical Assistance
Appendix
Returned Material Policy
Contract Department
Service Department
Sales Department
Specifications
Air-Cooled Portable Chillers
GPAC-40
GPAC-70
GPAC-105
GPAC-175
Water-Cooled Portable Chillers
GPWC-20
GPWC-40
GPWC-70
GPWC-105
GPWC-175
Pump Curves, Flow, and Pressure Considerations
Hertz Pump Curves
ALL 60 Hz
ALL 50 Hz
ALL 50 Hz
Calculating Chiller Nominal Flow and Pressure to Process
Remote Air-Cooled Chiller Configurations
Double Riser Detail
Typical Ductwork for Air-Cooled Chillers
Water column = Pascal GP Series Portable Chillers Appendix
Piping Diagrams
GP Series Portable Chillers Appendix
GP Series Portable Chillers Appendix
GP Series Portable Chillers Appendix
GP Series Portable Chillers Appendix
GP Series Portable Chillers Appendix
GP Series Portable Chillers Appendix
GP Series Portable Chillers Appendix
GP Series Portable Chillers Appendix
GP Series Portable Chillers Appendix
GP Series Portable Chillers Appendix
GP Series Portable Chillers Appendix
