User ManualTable of ContentsCHAPTER 1: SAFETY8How to Use This Manual8Safety Symbols Used in this Manual8Warnings and Precautions9Responsibility9General Responsibility9Operator Responsibility9Maintenance Responsibility10Reporting a Safety Defect11CHAPTER 2: FUNCTIONAL DESCRIPTION12Models Covered in This Manual12General Description12Specifying a Drying System12What is Desiccant?12The Closed Loop Drying System12The Process/Regeneration Cycle13Sequence of Operation14Controller Description15Standard Features16Mechanical Features16Electrical Features16Options17Closed-Loop Regeneration17Process Aftercooler17Process Air Dust Collector18Material Overdrying Protection18Mechanical Options19Electrical Options19Safety Devices and Interlocks20CHAPTER 3: MECHANICAL INSTALLATION22Uncrating the Equipment22Rigging and Placing Unit22Making Electrical Connections22Checking for Proper Blower Rotation23Making Dryer/Drying Hopper Process Air Connections24Connecting Aftercooler/Precooler Cooling Water (Optional)25Using the Drying Hopper Air Trap26CHAPTER 4: CONTROLS27Controller Description and Operation27Controller27Process Air Temperature Controller27Setting the Process Air Temperature29Process Air Dew Point Display32Setting the High Dew Point Alarm32Restoring the Process Air Dew Point Meter (E5CK) to Factory Setup32Redundant Safety Controller Display33Setting the Redundant Safety Controller33Restoring the WATLOW Redundant Safety Controller to Factory Setup33CHAPTER 5: OPERATION35Initial Start-up35Pre-Startup Checks35Auto-Tuning the Dryer35Shutting Down the Dryer35Dryer Operation Procedures36Controller Operation (Without Optional Alarm Horn & Reset Button)36Alarm Display Messages39Auto-Tuning the Dryer40Shutting Down the Dryer40CHAPTER 6: MAINTENANCE41Maintenance Schedule41Preventative Maintenance42Cleaning or Replacing the Process Air Filters42Cleaning or Replacing the Regeneration Filter43Calibrating the Dirty Filter Alarm43Checking the Dewpoint Control System44Corrective Maintenance45Symptoms of Worn Out Desiccant45Replacing the Desiccant45Replacing the Process Heater (Electric Dryers)46Replacing the Regeneration Heater (Electric Dryers)47CHAPTER 7: TROUBLESHOOTING49Introduction49Basic Troubleshooting49Alarms51Alarm Descriptions51Determining Temperature Controller Errors or Sensor Errors52Using a Thermocouple52Using a Platinum Resistance Thermometer52CHAPTER 8: APPENDIX53Warranty53Technical Specifications54Annex B Information54Aftercooler Design Specifications54Drawings and Diagrams55Spare Parts List57Dryer Identification (Serial Number) Tag58Technical Assistance60Parts Department60Service Department60Sales Department60Contract Department60Size: 1.57 MBPages: 61Language: EnglishOpen manual
