Sterling 822.00292.00 specifications Cleaning or Replacing the Regeneration Filter

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Use the following procedure to clean or replace the filter cartridges:

1.Turn off and/or lock out electrical power to the dryer.

2.Remove the hand knobs or clamps securing the filter access cover and remove the cover.

3.Remove the nut on the center-retaining rod to remove a filter cartridge.

4.Vacuum, blow out, or wash the filter.

5.Inspect the filter - a damaged filter should not be reused. Check the following:

„Hold a light bulb behind the filter element to find holes, tears, fatigued paper or residual dirt.

„Inspect the end plates—damage here could allow air to bypass the filter.

„Look for rust on the end plates and metal core—rust particles could flake off and contaminate the dryer and resin.

„Check the gasket for damage—a damaged gasket will allow contaminants into the process. Replace if needed.

6.Return the filter cartridge to its original position and tighten the nut on the center- retaining rod to secure the filter cartridge.

7.Secure the filter access cover with the hand knobs or threaded fasteners.

Cleaning or Replacing the Regeneration Filter

Large dryers are equipped with a filter in the regeneration air loop located at the back of the dryer. Regular filter cleaning will keep your dryer operating at peak efficiency.

Caution! Operating the dryer without the regeneration air filters installed will void the warranty.

1.Turn off and/or lock out electrical power to the dryer.

2.Remove the knob securing the filter.

3.Remove the filter from the post.

4.Vacuum or carefully blow out the filter with compressed air. If the filter is worn or can't be cleaned, replace it.

5.Slide the filter back onto its post and tighten knob back on the filter.

Calibrating the Dirty Filter Alarm

Your dryer may be equipped with a Dirty Filter alarm. When the alarm sounds, it is time to clean or change the filter. The Dirty Filter alarm is tested and calibrated at the factory, but it can be adjusted in the field. Be sure that your filter is clean, and use the following procedure to calibrate the alarm.

1.Remove the process air return filter element from its housing.

2.Block off approximately 50% of the filter’s surface area to simulate a dirty filter.

3.Reinstall the cartridge and secure the cover.

4.While the process blower is operating, adjust the trim screw on the differential pressure switch until the alarm light just comes on.

Large Dehumidifying Dryers

Maintenance

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Contents SDA 1000-5100 Large Dehumidifying Dryers With AP0 Controls If the Shipment is Not Complete Shipping InfoUnpacking and Inspection Event of Shipping DamageReturns Warranty ReturnsCredit Returns Table of Contents Operation Dryer Identification Serial Number Tag Technical Assistance How to Use This Manual SafetySafety Symbols Used in this Manual Wear Safety Glasses and Work Gloves Dryer Safety Tags DescriptionGeneral Responsibility ResponsibilityOperator Responsibility Maintenance Responsibility Reporting a Safety Defect Models Covered in This Manual Functional DescriptionGeneral Description Regeneration Cycle Process/Regeneration CycleSequence of Operation Controller Screen Descriptions Controller DescriptionMechanical Features Standard FeaturesElectrical Features Closed-Loop Regeneration OptionsProcess Aftercooler Process Air Dust Collector Recommended Temperature SettingsMaterial Overdrying Protection Electrical Options Mechanical OptionsFail Safe Operation Safety Devices and InterlocksSafety Circuit Standards Safety Device Lock-OutsPage Making Electrical Connections Mechanical InstallationUncrating the Equipment Rigging and Placing UnitChecking Blower Rotation Checking for Proper Blower RotationDryer/Drying Hopper Process Air Connections Making Dryer/Drying Hopper Process Air ConnectionsAftercooler Components & Flow Rates Connecting Aftercooler/Precooler Cooling Water OptionalDrying Hopper Air Trap Using the Drying Hopper Air TrapControls SwitchesIndicator Lights Process Air Temperature ControllerLights 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 DescriptionE5CN Operating Parameters Setting the Process Air TemperatureTuned prior to dryer startup Adjustment Level Indicator Name DescriptionON, OFF Entering Operating Parameters to Select ModesProcess Air Dew Point Display Setting the High Dew Point AlarmOptional Setting the Redundant Safety Controller Redundant Safety Controller DisplayWatlow Operating Parameters Manf. setting Pre-Startup Checks Auto-Tuning the DryerOperation Initial Start-upDryer Operation Procedures Page Material Miser OFF Press + to Enable Alarm Display Messages Shutting Down the Dryer Auto-Tuning the DryerMaintenance Schedule MaintenancePhotocopy this page for your maintenance records Cleaning or Replacing the Process Air Filters Preventative MaintenanceCalibrating the Dirty Filter Alarm Cleaning or Replacing the Regeneration FilterChecking the Dewpoint Control System Symptoms of Worn Out Desiccant Corrective MaintenanceReplacing the Desiccant Replacing the Process Heater Electric Dryers Desiccant Tower AssemblyReplacing the Regeneration Heater Electric Dryers Process Heater Box AssemblyRegeneration Heater Box Assembly Basic Troubleshooting TroubleshootingIntroduction Large Dehumidifying Dryers Troubleshooting Alarm Descriptions AlarmsAlarm Alarm Description Alarm Effect Code Using a Thermocouple Determining Temperature Controller Errors or Sensor ErrorsUsing a Platinum Resistance Thermometer Annex B Information Technical SpecificationsAftercooler Design Specifications AppendixDrawings and Diagrams Optional dryer dust collector Spare Parts List Level 3 Mechanical Components Located on back of Dryer Dryer Identification Serial Number TagSales Department Service DepartmentTechnical Assistance Parts Department

822.00292.00 specifications

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