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Restoring the Process Air Dew Point Meter (E5CK) to Factory Setup................25
Redundant Safety Controller Display ..................................................................26
Setting the Redundant Safety Controller.............................................................26
Restoring the WATLOW Redundant Safety Controller to Factory Setup ............26
4-3 System Operation Procedures ..................................................................................29
Controller Operation (Without Optional Alarm Horn & Reset Button).................28
Controller Operation (With Optional Alarm Horn & Reset Button).......................29
Alarm Display Messages.....................................................................................31
4-4 Auto-Tuning the Dryer...............................................................................................32
4-5 Shutting Down the Dryer ...........................................................................................32
CHAPTER 5: MAINTENANCE ................................................. 35
5-1 Preventative Maintenance Schedule.........................................................................35
5-2 Preventative Maintenance.........................................................................................35
Servicing Process Air Filters................................................................................35
Servicing the Dew Point Monitor .........................................................................37
5-3 Corrective Maintenance ............................................................................................37
Symptoms of Worn Desiccant .............................................................................38
Replacing Worn Desiccant ..................................................................................37
Replacing the Regeneration Heaters ..................................................................39
Replacing the Process Heaters ……………………………………………………. 40
Replacing / Cleaning the Cooling Coil …………………………………………….. 40
CHAPTER 6: TROUBLESHOOTING ....................................... 42
6-1 Introduction................................................................................................................42
6-2 Determining Temperature Controller Errors or Sensor Errors...................................44
Using a Thermocouple ..........................................Error! Bookmark not defined.
Using a Platinum Resistance Thermometer..........Error! Bookmark not defined.
CHAPTER 7: APPENDIX.......................................................... 45
7-1 Warranty....................................................................................................................45
Warranty Specifications.......................................................................................45
Warranty Restrictions..........................................................................................45
Warranty Liabilities..............................................................................................45
Customer Responsibilities...................................................................................46
7-2 Technical Specifications............................................................................................46
Annex B Information............................................................................................46
Aftercooler Design Specifications........................................................................47
7-3 Drawings and Diagrams............................................................................................47
7-4 Spare Parts List.........................................................................................................50
7-5 Returned Material Policy ...........................................................................................52
Credit Returns .....................................................................................................52
Warranty Returns ................................................................................................52
7-6 Dryer Identification (Serial Number) Tag...................................................................52
7-7 Technical Assistance.................................................................................................53
Parts Department ................................................................................................53
Service Department.............................................................................................53
Sales Department................................................................................................53
Contract Department ...........................................................................................53
Dehumidifying Dryers 4