Disconnect Switch ......................................................................................21
Control Power Switch .................................................................................21
Touch Screen .............................................................................................21
Alarm Horn & Light .....................................................................................21
Process Air Temperature Controller ....................................................................22
Startup Screen ....................................................................................................22
Main Menu Screen ..............................................................................................23
Dryer Status Screen ............................................................................................23
Start Button .........................................................................................................24
Dryer Menu Screen .............................................................................................25
Dryer Status ........................................................................................................25
Dryer Setup ........................................................................................................25
Dryer Setup (Screen 1 of 3) Process Temperature High&Low ALarm ........25
Dryer Setup (Screen 2 of 3) Choosing Degree F or Degree C....................26
Dryer Setup (Screen 3 of 3) Process return air temperature …………….. 26
Overdry Protection Setup ....................................................................................26
Screen 1 of 2 (Enable or Disable the feature) .............................................26
Screen 2 of 2 (Overdry Protection Parameter Settings) ..............................27
Alarms .................................................................................................................28
Auto Tune ............................................................................................................28
Dew Pt Setup ......................................................................................................29
Auto Start ............................................................................................................29
Main Menu...........................................................................................................30
Help Menu ...........................................................................................................30
System Menu ......................................................................................................31
System Setup ......................................................................................................31
Set Clock .............................................................................................................32
Set Auto Start Clock ...................................................................................32
Set Alarm Clock..........................................................................................33
Hour Meters.........................................................................................................33
Input Status .........................................................................................................34
Output Status ......................................................................................................34
System Setting ……………………………………………………………………….. 34
Service Menu ......................................................................................................35
Alarm Screens .....................................................................................................35
Redundant Safety Controller Display ..................................................................36
Setting the Redundant Safety Controller .............................................................36
Restoring the WATLOW Redundant Safety Controller to Factory Setup ............37
4-2
System Operation Procedures .................................................................................. 38
4-3
Shutting Down the Dryer ........................................................................................... 39
CHAPTER 5: MAINTENANCE .................................................. 40
5-1
Preventative Maintenance Schedule......................................................................... 40
5-2
Preventative Maintenance......................................................................................... 41
Servicing Process Air Filters................................................................................41
Servicing the Dew Point Monitor .........................................................................42
5-3
Corrective Maintenance ............................................................................................ 43
Symptoms of Worn Desiccant .............................................................................43
Replacing Worn Desiccant ..................................................................................43
Replacing the Regeneration Heater ....................................................................45
Portable Drying/Conveying Systems
4