Sterling 350-2100 CFM User Manuals

Table of Contents

• CHAPTER 1: SAFETY

  6
• How to Use This Manual

  6
• Safety Symbols Used in this Manual

  6
• Safety Tag Information

  7
• Dryer Safety Tags

  7
• Warnings and Precautions

  8
• Responsibility

  9
• General Responsibility

  9
• Operator Responsibility

  9
• Maintenance Responsibility

  10
• Reporting a Safety Defect

  11
• Responsibility

  11
• CHAPTER 2: FUNCTIONAL DESCRIPTION

  12
• Models Covered in This Manual

  12
• General Description

  12
• Typical Features and Components

  12
• Optional Features

  12
• The Closed Loop Drying System

  13
• What is Desiccant?

  13
• The Process/Regeneration Cycle

  13
• Specifying a Drying System

  14
• CHAPTER 3: INSTALLATION

  17
• Work Rules

  17
• Electrical Connections

  17
• Check For Proper Blower Rotation

  17
• Dryer/Drying Hopper Process Air Hose Connection

  17
• Aftercooler Cooling Water Connection

  18
• Drying Hopper Air Trap

  18
• CHAPTER 4: CONTROL PANEL

  20
• Control Panel Indicator Lights

  20
• Switches and Meters

  22
• PLC Control

  23
• Process Air Temperature Controller

  23
• Temperature Controller LED Indicators

  25
• Temperature Controller Keys – (See Figure 5 in Section 3-6)

  26
• Optional Communications Protocols

  26
• CHAPTER 5: STARTUP, SHUTDOWN & OPERATION

  27
• Pre-Startup Checks

  27
• Startup

  27
• Shutdown

  28
• Setting the Process Air Temperature

  28
• Setting the High and Low Temperature Alarms

  28
• Temperature Controller Autotune Procedure

  29
• Temperature Controller Internal Switches

  29
• Temperature Controller Anti-Tamper Lockout Switch

  29
• Changing the Display from Fahrenheit to Centigrade

  30
• Setting the Dewpoint Extend Shift Point

  30
• Regeneration Monitoring System Signal Processor

  31
• Auxiliary Process Safety System (Optional)

  32
• Seven Day Timer (Optional)

  32
• CHAPTER 6: MAINTENANCE

  35
• Servicing the Process Air Filters (Models 350-700)

  35
• Filter Cleaning/Replacement

  35
• Servicing the Process Air Filters (Models 850 through 2100)

  36
• Servicing the Regeneration Filter

  37
• Dirty Filter Alarm Calibration

  37
• Dewpoint Control System Service

  38
• Symptoms of Worn Out Desiccant

  38
• Desiccant Replacement Procedure

  39
• Process Heater Replacement Procedure

  40
• Regeneration Heater Replacement Procedure

  41
• Restoring a Temperature Controller to the Factory Setup

  42
• Regeneration Monitor Advanced Programming

  48
• CHAPTER 7: TROUBLESHOOTING

  52
• CHAPTER 8: APPENDIX

  55
• Technical Assistance

  58