Sterling SDAA 25-100 specifications Maintenance

	Restoring the Process Air Temperature Controller (E5CN) to Factory Settings..28
	Process Air Dew Point Display	31
	Setting the High Dew Point Alarm	31
	Restoring the Process Air Dew Point Meter (E5CK) to Factory Setup	31
	Redundant Safety Controller Display	32
	Setting the Redundant Safety Controller	32
	Restoring the WATLOW Redundant Safety Controller to Factory Setup	32
4-3	Dryer Operation Procedures	34
	Controller Operation (Without Optional Alarm Horn & Reset Button)	34
	Controller Operation (With Optional Alarm Horn & Reset Button)	37
	Alarm Display Messages	39
4-4	Auto-Tuning the Dryer	40
4-5 Shutting Down the Dryer		40
CHAPTER 5: MAINTENANCE		41
5-1	Preventative Maintenance Schedule	41
5-2	Preventative Maintenance	42
	Servicing Process Air Filters	42
	Servicing the Dew Point Monitor	43
5-3	Corrective Maintenance	44
	Symptoms of Worn Desiccant	44
	Replacing Worn Desiccant	45
	Replacing the Process Heater	47
CHAPTER 6: TROUBLESHOOTING		48
6-1	Introduction	48
6-2 Determining Temperature Controller Errors or Sensor Errors		51
	Using a Thermocouple	51
	Using a Platinum Resistance Thermometer	51
CHAPTER 7: APPENDIX		52
7-1	Warranty	52
	Warranty Specifications	52
	Warranty Restrictions	52
	Warranty Liabilities	53
	Customer Responsibilities	53
7-2	Optional Components	53
7-3	Technical Specifications	54
	Annex B Information	54
	Aftercooler Design Specifications	55
7-4	Drawings and Diagrams	55
7-5	Spare Parts List	55
7-6	Returned Material Policy	57
	Credit Returns	57
	Warranty Returns	57
7-7	Safety Tag Information	57
	Dryer Safety Tags	57
7-8 Dryer Identification (Serial Number) Tag		58
7-9	Technical Assistance	59
	Parts Department	59
Dehumidifying Dryers		iii