Controller Description and Operation | Sterling 30 cfm, 60 cfm

Chapter 4: Operation

4-1 Controller Description and Operation

Identifying Control Panel Indicator Lights and Switches for the Standard Controller

Switches

Main Power. This switch allows the dryer to receive power from the main power supply (3 phase only).

Dryer Control ON/OFF Switch. This switch energizes or de-energizes control power to the indicator panel and starts the dryer. (The controller cannot be energized without the dryer running.)

Indicator Lights

Alarm Light. This feature warns the operator of a high bed safety temperature, a regeneration heater fault, or a blower failure.

Power On. This light illuminates when the main power switch is on telling the user the dryer is energized.

Dryer Operating: Indicates the process air blower is on.

Figure 5: Dryer Control Panels

Standard Controller – Standard Single Phase Control Panel shown with Optional Dew Point Monitor

15, 30, & 60 cfm Compact Dryers

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Sterling 30 cfm, SDA Series 25-100 15 cfm, 60 cfm Controller Description and Operation, Switches, Indicator Lights

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 Safety Symbols Used in this Manual SafetyHow to Use This Manual Safety Tag Information Wear Safety Glasses and Work Gloves Operator Responsibility ResponsibilityGeneral Responsibility Remember Maintenance Responsibility Reporting a Safety Defect General Description Functional DescriptionModels Covered in This Manual Electrical Features Standard FeaturesMechanical Features Options Safety Devices and InterlocksController Features Fail Safe Operation Safety Circuit StandardsSafety Device Lock-Outs Rigging and Placing the Dryer InstallationUncrating the Equipment 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 E5CN Operating Parameters Setting the Process Air TemperatureAdjustment Level Indicator Name Description Entering Operating Parameters to Select Modes Optional Setting the High Dew Point AlarmProcess Air Dew Point Display 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