User ManualTable of ContentsCHAPTER 1: SAFETY7How to Use This Manual7Safety Symbols Used in this Manual7Warnings and Precautions8Responsibility9General 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 Operation13Standard Features14Auto Start Timer14Mechanical Features14Electrical Features14Options15Dewpoint Extend15Closed-Loop Regeneration15Drawings and Diagrams16Process Aftercooler18Aftercooler Design Specifications18Process Air Dust Collector18Material Overdrying Protection20Mechanical Options21Electrical Options21Controller Options21Safety Devices and Interlocks22Dimensions and Specifications24Mechanical Options24Electrical Features25Electrical Options25CHAPTER 3: MECHANICAL INSTALLATION26Uncrating the Equipment26Rigging and Placing Unit26Making Electrical Connections26Making Gas Line Connections (Gas-Fired Models Only)27Checking for Proper Blower Rotation28Making Dryer/Drying Hopper Process Air Connections29Connecting Aftercooler/Precooler Cooling Water (Optional)32Using the Drying Hopper Air Trap33CHAPTER 4: CONTROLS34Controller Description34Identifying Control Panel Components for the AP-1 Optional Controller35Disconnect Switch35Control Power Switch35Touch Screen35Alarm Horn & Light35Process Air Temperature and Conveying Process Controller35Identifying Controller Screens36Redundant Safety Controller Display49Setting the Redundant Safety Controller50CHAPTER 5: OPERATION52Start-up52Using the Dryer Status Screen53Alarms54Alarm Descriptions54Shutdown55CHAPTER 6: MAINTENANCE56Maintenance Schedule56Preventative Maintenance57Cleaning or Replacing the Process Air Filters57Cleaning or Replacing the Regeneration Filter58Calibrating the Dirty Filter Alarm58Checking the Dewpoint Control System59Corrective Maintenance60Symptoms of Worn Out Desiccant60Replacing the Desiccant60Replacing the Process Heater (Electric Dryers)61Replacing the Regeneration Heater (Electric Dryers)62CHAPTER 7: TROUBLESHOOTING64Introduction64Basic Troubleshooting64Determining Temperature Controller Errors or Sensor Errors66Using a Thermocouple66Using a Platinum Resistance Thermometer66CHAPTER 8: APPENDIX67Warranty67Technical Specifications68Annex B Information68Spare Parts List69Dryer Identification (Serial Number) Tag70Technical Assistance72Parts Department72Service Department72Sales Department72Contract Department72Size: 1.55 MBPages: 72Language: EnglishOpen manual
