AEC AP Series Large Dehumidifying Dryer - Manual (Page 6)

Large Dehumidifying Dryers v
3-7 Connecting Aftercooler/Precooler Cooling Water (Optional)..................................... 32
3-8 Using the Drying Hopper Air Trap ............................................................................. 33
CHAPTER 4: CONTROLS........................................................ 34
4-1 Controller Description................................................................................................ 34
4-2 Operating the Dryer................................................................................................... 35
4-3 AP1+ Data Entry ....................................................................................................... 37
4-4 Dryer Setup ............................................................................................................... 39
4-5 Drying Hopper Setup................................................................................................. 40
4-6 AP1+ Data Monitoring and Navigation ...................................................................... 42
System Menu ......................................................................................................56
4-7 Program Upgrade Procedures .................................................................................. 62
PLC Program Upgrade........................................................................................62
Touch Screen Program Upgrade.........................................................................63
4-8 Security ..................................................................................................................... 64
4-9 Dryer & Drying Hopper Faults ................................................................................... 65
Alarm List ............................................................................................................66
Alarm Text Abbreviations ....................................................................................78
Temperature Alarms............................................................................................78
Common Text Descriptions .................................................................................79
4-10 Troubleshooting......................................................................................................... 80
PLC Faults...........................................................................................................80
PLC Module Faults..............................................................................................81
DeviceNet I/O Faults ...........................................................................................82
Touch Screen Faults ...........................................................................................82
CHAPTER 5: MAINTENANCE ................................................. 83
5-1 Maintenance Schedule.............................................................................................. 83
5-2 Preventative Maintenance......................................................................................... 84
Cleaning or Replacing the Process Air Filters .....................................................84
Cleaning or Replacing the Regeneration Filter....................................................85
Calibrating the Dirty Filter Alarm..........................................................................85
Checking the Dewpoint Control System ..............................................................86
5-3 Corrective Maintenance ............................................................................................ 87
Symptoms of Worn Out Desiccant ......................................................................87
Replacing the Desiccant......................................................................................87
Replacing the Process Heater (Electric Dryers) ..................................................88
Replacing the Regeneration Heater (Electric Dryers) .........................................89
CHAPTER 6: TROUBLESHOOTING ....................................... 91
6-1 Introduction................................................................................................................ 91
6-2 Basic Troubleshooting............................................................................................... 91
6-3 Determining Temperature Controller Errors or Sensor Errors................................... 93
Using a Thermocouple ........................................................................................93
Using a Platinum Resistance Thermometer ........................................................93
CHAPTER 7: APPENDIX.......................................................... 94
7-1 Warranty.................................................................................................................... 94
7-2 Technical Specifications............................................................................................ 95