Maintenance | Sterling 60 cfm, SDA Series 25-100 15 cfm, 30 cfm

Identifying Control Panel Indicator Lights and Switches for the Standard Controller		..........20
Process Air Temperature Controller		21
Setting the Process Air Temperature		23
Restoring the Process Air Temperature Controller (E5CN) to Factory Settings		23
Process Air Dew Point Display		25
Setting the High Dew Point Alarm		25
Restoring the Process Air Dew Point Meter (E5CK) to Factory Setup		25
4-2	Dryer Operation Procedures	26
Controller Operation		26
Alarm Display Messages		27
CHAPTER 5: MAINTENANCE		29
5-1	Preventative Maintenance Schedule	29
5-2	Preventative Maintenance	30
Servicing Process Air Filters		30
Servicing the Dew Point Monitor		31
5-3	Corrective Maintenance	31
Symptoms of Worn Desiccant		31
Replacing Worn Desiccant		32
Replacing the Process/Regeneration Heater		34
Replacing/Cleaning the Cooling Coil		35
CHAPTER 6: TROUBLESHOOTING		37
6-1	Introduction	37
6-2 Determining Temperature Controller Errors or Sensor Errors		39
Using a Thermocouple		39
CHAPTER 7: APPENDIX		40
7-1	Technical Specifications	40
Annex B Information		40
Aftercooler Design Specifications		41
7-2	Drawings and Diagrams	41
Figure 15: High Heat Model (180°F to 400°F) Air Flow Schematic		42
7-3	Spare Parts List	43
7-5	Returned Material Policy	49
Credit Returns		49
Warranty Returns		49
7-6 Dryer Identification (Serial Number) Tag		49
7-7	Technical Assistance	50
Parts Department		50
Service Department		50
Sales Department		50
Contract Department		50

15, 30, & 60 cfm Compact Dryers

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Sterling 60 cfm, SDA Series 25-100 15 cfm, 30 cfm specifications Maintenance

Contents

SDA Series 15, 30, & 60 cfm Compact Dehumidifying Dryers Shipping Information Unpacking and InspectionEvent of Shipping Damage If the Shipment is Not Complete Table of Contents Maintenance How to Use This Manual SafetySafety Symbols Used in this Manual Safety Tag Information Wear Safety Glasses and Work Gloves General Responsibility ResponsibilityOperator Responsibility Remember Maintenance Responsibility Reporting a Safety Defect Models Covered in This Manual Functional DescriptionGeneral Description Mechanical Features Standard FeaturesElectrical Features Controller Features Safety Devices and InterlocksOptions Safety Device Lock-Outs Safety Circuit StandardsFail Safe Operation Uncrating the Equipment InstallationRigging and Placing the Dryer Suggested Lift Rigging for Cart Mount Dryers Electrical Connections Suggested Lift Rigging for Machine Mounted Dryers Setup Procedures Checking for Proper Blower Rotation Three-Phase Models Installing Water Lines Initial Start-upDrying Hopper Air Trap Considerations Optional Aftercooler Auto-Tuning the Dryer Shutting Down the Dryer Switches Indicator LightsOperation Controller Description and Operation Process Air Temperature Controller Lit when Control Output 1 is on. The Out1 Lit when Control Output 2 is on. Not usedIndicator Name Description Lights in the Operation Indicator Section when Adjustment Level Indicator Name Description Setting the Process Air TemperatureE5CN Operating Parameters Entering Operating Parameters to Select Modes Process Air Dew Point Display Setting the High Dew Point AlarmOptional Dryer Operation Procedures Controller Operation Alarm Display Messages High Temp Valve MTR Maintenance Preventative Maintenance Schedule Preventative Maintenance Recommendations for Cleaning and Replacing FiltersServicing Process Air Filters Vacuuming Corrective Maintenance Cleaning with Compressed AirSymptoms of Worn Desiccant Servicing the Dew Point Monitor + First AID + Replacing Worn Desiccant Desiccant Bed Location and Disassembly Procedures Replacing the Process/Regeneration Heater Replacing/Cleaning the Cooling Coil Replacement ProceduresPage Troubleshooting Introduction Proc Blwr Determining Temperature Controller Errors or Sensor Errors Using a Thermocouple Technical Specifications Appendix Drawings and Diagrams Aftercooler Design Specifications High Heat Model 180F to 400F Air Flow Schematic Spare Parts List Level 1 Spare Parts List Electrical & Mechanical HI-CORE Desiccant Dryer 15/30/60 CFM Units 30 CFM 60 CFM 120V Control Common Parts 220V Control Common Parts Returned Material Policy Dryer Identification Serial Number Tag Service Department Technical AssistanceParts Department Sales Department