Operation, Initial Start-up | Sterling SDA 1000-5100 manual

Chapter 5: Operation

5-1 Initial Start-up

Pre-Startup Checks

;Check the process and return hoses for tight connections.

;Check all companion equipment, such as the drying hopper; verify that the loading system is ready for operation.

;Verify that all dryer electrical connections are tight.

Auto-Tuning the Dryer

1.For Auto-tuning, press the beige button once. The AT screen will show with the setting OFF.

2.Press the UP arrow to change the setting to ON.

3.Press the beige button again to go back to the Temperature Screen. Your actual temperature will start to flash for about 10-20 minutes with the temperature fluctuating up and down during that period. After the flashing stops, it means auto- tuning has finished.

Shutting Down the Dryer

1.Turn off the conveying system supplying the drying hopper.

2.When processing is complete, close the hopper slide gate and shut down any in-line companion equipment, such as the aftercooler.

3.Turn the Dryer OFF/ON/START selector switch to OFF.

4.Turn the system’s disconnect switch to OFF.

5.If needed, empty the drying hopper.

6.For maintenance or a long term shutdown, open (de-energize) the electrical disconnects at the dryer and at the power drop.

Large Dehumidifying Dryers

Operation

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Sterling SDA 1000-5100 Operation, Initial Start-up, Pre-Startup Checks, Auto-Tuning the Dryer, Shutting Down the Dryer

Contents

SDA Large Dehumidifying Dryers With AP0 Controls If the Shipment is Not Complete Shipping InfoUnpacking and Inspection Event of Shipping Damage Credit Returns Warranty ReturnsReturns Table of Contents Operation Dryer Identification Serial Number Tag Technical Assistance Safety Symbols Used in this Manual SafetyHow to Use This Manual Wear Safety Glasses and Work Gloves Dryer Safety Tags Description Operator Responsibility ResponsibilityGeneral Responsibility Maintenance Responsibility Reporting a Safety Defect General Description Functional DescriptionModels Covered in This Manual Regeneration Cycle Process/Regeneration Cycle Sequence of Operation Controller Screen Descriptions Controller Description Electrical Features Standard FeaturesMechanical Features Process Aftercooler OptionsClosed-Loop Regeneration Material Overdrying Protection Recommended Temperature SettingsProcess Air Dust Collector Electrical Options Mechanical Options Fail Safe Operation Safety Devices and InterlocksSafety Circuit Standards Safety Device Lock-OutsPage Making Electrical Connections Mechanical InstallationUncrating the Equipment Rigging and Placing Unit Checking Blower Rotation Checking for Proper Blower Rotation Dryer/Drying Hopper Process Air Connections Making Dryer/Drying Hopper Process Air Connections Aftercooler Components & Flow Rates Connecting Aftercooler/Precooler Cooling Water Optional Drying Hopper Air Trap Using the Drying Hopper Air Trap Controls SwitchesIndicator Lights Process Air Temperature Controller Lights in the Operation Indicator Section when Lit when Control Output 1 is on. The Out1Lit when Control Output 2 is on. Not used Indicator Name Description E5CN Operating Parameters Setting the Process Air Temperature Tuned prior to dryer startup Adjustment Level Indicator Name Description ON, OFF Entering Operating Parameters to Select Modes Optional Setting the High Dew Point AlarmProcess Air Dew Point Display Watlow Operating Parameters Redundant Safety Controller DisplaySetting the Redundant Safety Controller Manf. setting Pre-Startup Checks Auto-Tuning the DryerOperation Initial Start-up Dryer Operation Procedures Page Material Miser OFF Press + to Enable Alarm Display Messages Shutting Down the Dryer Auto-Tuning the Dryer Photocopy this page for your maintenance records MaintenanceMaintenance Schedule Cleaning or Replacing the Process Air Filters Preventative Maintenance Calibrating the Dirty Filter Alarm Cleaning or Replacing the Regeneration Filter Checking the Dewpoint Control System Replacing the Desiccant Corrective MaintenanceSymptoms of Worn Out Desiccant Replacing the Process Heater Electric Dryers Desiccant Tower Assembly Replacing the Regeneration Heater Electric Dryers Process Heater Box Assembly Regeneration Heater Box Assembly Introduction TroubleshootingBasic Troubleshooting Large Dehumidifying Dryers Troubleshooting Alarm Alarm Description Alarm Effect Code AlarmsAlarm Descriptions Using a Platinum Resistance Thermometer Determining Temperature Controller Errors or Sensor ErrorsUsing a Thermocouple Appendix Warranty Annex B Information Technical SpecificationsAftercooler Design Specifications Drawings and Diagrams Optional dryer dust collector Spare Parts List Level 3 Mechanical Components Located on back of Dryer Dryer Identification Serial Number Tag Parts and Service Department Sales Department Service DepartmentTechnical Assistance Parts Department