Sterling 882.93092.01 User Manuals

Table of Contents

• CHAPTER 1:   SAFETY

  5
• How to Use This Manual

  5
• Safety Symbols Used in this Manual

  5
• Warnings and Precautions

  6
• Responsibility

  6
• CHAPTER 2:   FUNCTIONAL DESCRIPTION

  7
• Models Covered in This Manual

  7
• General Description

  7
• Typical Applications

  7
• System Limitations

  7
• Chilled Water Circuit

  8
• Refrigeration Circuit

  9
• Standard Features

  10
• Mechanical Features

  10
• Electrical Features

  11
• Refrigeration Features

  11
• Controller Features

  12
• Other Features

  12
• Safety Devices and Interlocks

  12
• Crankcase Heater

  12
• High Pressure Cutout

  13
• Low Pressure Cutout (no switch but done through the transducer)

  13
• Flow Switch

  14
• Remote Start/Stop Interlock

  14
• Optional Features

  14
• CHAPTER 3:   INSTALLATION

  16
• 3-1   Uncrating

  16
• 3-2   Electrical Connections

  16
• 3-3   Process Water Connections

  17
• 3-4   Bypass Valve Considerations

  17
• 3-5   Galvanic Corrosion Considerations

  18
• 3-6   Water Treatment Considerations

  18
• 3-7   Condenser Considerations

  18
• Water-Cooled Chiller Condensers

  18
• Air-Cooled Chiller Condensers

  19
• Remote Air-Cooled Chiller Condensers

  20
• 3-8   Checking Motor Direction

  27
• Three-Phase Compressors

  27
• Water Pumps

  27
• Condenser Fan

  27
• 3-9   Water Reservoir

  28
• 3-10   Automatic Water Make-Up Option

  31
• 3-11   Initial Start-Up

  31
• 3-12   Finishing Setup: Setting Up Passwords

  33
• CHAPTER 4:   OPERATION

  35
• Panel Buttons, Indicator Lights, and Switches

  35
• Microprocessor Controller

  35
• Initial Start-up

  36
• Status Screens

  37
• Access Levels

  41
• Controller Setpoints

  41
• Configuration Settings

  45
• Alarms

  47
• Optional Communications

  47
• CHAPTER 5:   MAINTENANCE

  48
• Lubrication

  48
• Filter Cleaning

  48
• Maintaining the Condenser

  48
• Air- and Remote Air-Cooled Chillers

  48
• Water-Cooled Chillers

  48
• Maintaining the Evaporator

  49
• Evaporator Process Piping Y-Strainer

  49
• Preventative Maintenance Service

  49
• CHAPTER 6:   TROUBLESHOOTING

  50
• Identifying the Cause of a Problem

  50
• Non-Controller Related Issues

  55
• CHAPTER 7:   APPENDIX

  58
• Returned Material Policy

  58
• Credit Returns

  58
• Technical Assistance

  58
• Parts Department

  58
• Service Department

  59
• Sales Department

  59
• Contract Department

  59
• Specifications

  60
• Air-Cooled Portable Chillers

  60
• Water-Cooled Portable Chillers

  65
• Pump Curves, Flow, and Pressure Considerations

  70
• 60 Hertz Pump Curves

  70
• 50 Hertz Pump Curves

  72
• Remote Air-Cooled Chiller Configurations

  75
• Typical Ductwork for Air-Cooled Chillers

  77
• Piping Diagrams

  79