Specifications

Portable Drying/Conveying Systems 2
Start Button .........................................................................................................26
Dryer Menu Screen .............................................................................................26
DRYER STATUS.................................................................................................27
DRYER SETUP...................................................................................................27
Over-Drying Protection........................................................................................28
Alarms (Retains 100 of the most recent alarm messages)..................................29
Auto Tune............................................................................................................30
Dew Pt Setup ......................................................................................................30
Auto Start (Make sure the date and time is set correctly prior to activating this
feature)................................................................................................................31
Main Menu...........................................................................................................32
Help Menu ...........................................................................................................32
Convey Status (pending on the application, all Icons may not be present).........33
Machine 1 Operator.............................................................................................34
Machine 2 Operator.............................................................................................36
Drying Hopper Operator ......................................................................................37
Starting the Conveying Process ..........................................................................39
SYSTEM SETUP.................................................................................................40
By pressing the either buttons will activates or deactivates material conveying to
each unit. NOT PESENT indicates that this particular feature is not configured to
operate. ...............................................................................................................40
Set Clock .............................................................................................................41
Hour Meters.........................................................................................................42
Input Status .........................................................................................................43
Output Status ......................................................................................................43
Service Menu ......................................................................................................44
Alarm Screens.....................................................................................................44
Redundant Safety Controller Display ..................................................................45
Setting the Redundant Safety Controller.............................................................45
Restoring the WATLOW Redundant Safety Controller to Factory Setup ............46
4-2 System Operation Procedures ..................................................................................47
4-3 Shutting Down the Dryer ...........................................................................................49
CHAPTER 5: MAINTENANCE .................................................. 50
5-1 Preventative Maintenance Schedule.........................................................................50
5-2 Preventative Maintenance.........................................................................................51
Servicing Process Air Filters................................................................................51
Servicing the Dew Point Sensor..........................................................................52
5-3 Corrective Maintenance ............................................................................................53
Symptoms of Worn Desiccant .............................................................................53
Replacing Worn Desiccant ..................................................................................53
Replacing the regeneration heaters ....................................................................55
Replacing the Process Heater.............................................................................55
Replacing/Cleaning the Cooling Coils .................................................................56
CHAPTER 6: TROUBLESHOOTING ........................................ 58
6-1 Introduction................................................................................................................58
6-2 Determining Temperature Controller Errors or Sensor Errors...................................67
Using a Thermocouple ........................................................................................67