Sterling 822.00292.00 Preventative Maintenance, Cleaning or Replacing the Process Air Filters

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6-2 Preventative Maintenance

Cleaning or Replacing the Process Air Filters

Regular filter cleaning will keep your dryer operating at peak efficiency. The process air filters protect the centrifugal blowers from plastic fines being drawn in from the drying hopper. Filters should be cleaned when airflow restriction trips the dirty filter alarm. Filters should be replaced at least once a year.

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

On 600-1500 cfm dryers, there is a single high-temperature (up to 350ºF) filter mounted above the process blower on the rear of the dryer. On 2000-3000 cfm dryers, there are two high-temperature (up to 350ºF) filters located in the housing under the blower platform on the left rear corner of the dryer.

Vacuuming. Vacuum cleaning is the preferred method for cleaning the process air filters because compressed air or high-pressure washing can damage the filter. Vacuuming removes most large particles and surface contaminant. Use a commercial duty vacuum cleaner and vacuum the filter from the air intake (dirty) side only.

Compressed Air Cleaning. Blow clean, dry compressed air up and down the pleats, blowing out the filter from the clean side. Do not shoot the air in a criss-cross motion against the grain of the pleats—this won’t clean the filter, and it may damage it. Compressed air should be less than 100 psi—use a 1/8 diameter nozzle at least 2 inches away from the filter.

Figure 16: Process Filter Housing

 

Stainless Steel

 

High

 

Filter Housing

Temeprature

 

 

 

Gasket

 

High

 

 

High

Temperature

 

 

Temperature

Cartridge Filter

 

 

Cartridge Filter

 

Stainless Steel

 

Stainless Steel

 

Filter Housing

 

 

 

 

Filter Housing

 

 

 

Cover

Filter Housing

Filter Housing

 

 

Cover Latches

Cover Latches

 

High

 

 

 

Temeprature

 

High

 

Gasket

 

Temeprature

 

 

 

Gasket

Stainless Steel

 

 

 

Filter Housing

 

 

 

Cover

600-1500 cfm dryers

 

 

2000-3000 cfm dryers

Large Dehumidifying Dryers

Maintenance

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Contents SDA 1000-5100 Large Dehumidifying Dryers With AP0 Controls Event of Shipping Damage Shipping InfoUnpacking and Inspection If the Shipment is Not CompleteWarranty Returns ReturnsCredit Returns Table of Contents Operation Dryer Identification Serial Number Tag Technical Assistance Safety How to Use This ManualSafety Symbols Used in this Manual Dryer Safety Tags Description Wear Safety Glasses and Work GlovesResponsibility General ResponsibilityOperator Responsibility Maintenance Responsibility Reporting a Safety Defect Functional Description Models Covered in This ManualGeneral Description Process/Regeneration Cycle Regeneration CycleSequence of Operation Controller Description Controller Screen DescriptionsStandard Features Mechanical FeaturesElectrical Features Options Closed-Loop RegenerationProcess Aftercooler Recommended Temperature Settings Process Air Dust CollectorMaterial Overdrying Protection Mechanical Options Electrical OptionsSafety Device Lock-Outs Safety Devices and InterlocksSafety Circuit Standards Fail Safe OperationPage Rigging and Placing Unit Mechanical InstallationUncrating the Equipment Making Electrical ConnectionsChecking for Proper Blower Rotation Checking Blower RotationMaking Dryer/Drying Hopper Process Air Connections Dryer/Drying Hopper Process Air ConnectionsConnecting Aftercooler/Precooler Cooling Water Optional Aftercooler Components & Flow RatesUsing the Drying Hopper Air Trap Drying Hopper Air TrapProcess Air Temperature Controller SwitchesIndicator Lights ControlsIndicator Name Description Lit when Control Output 1 is on. The Out1Lit when Control Output 2 is on. Not used Lights in the Operation Indicator Section whenSetting the Process Air Temperature E5CN Operating ParametersAdjustment Level Indicator Name Description Tuned prior to dryer startupEntering Operating Parameters to Select Modes ON, OFFSetting the High Dew Point Alarm Process Air Dew Point DisplayOptional Redundant Safety Controller Display Setting the Redundant Safety ControllerWatlow Operating Parameters Manf. setting Initial Start-up Auto-Tuning the DryerOperation Pre-Startup ChecksDryer Operation Procedures Page Material Miser OFF Press + to Enable Alarm Display Messages Auto-Tuning the Dryer Shutting Down the DryerMaintenance Maintenance SchedulePhotocopy this page for your maintenance records Preventative Maintenance Cleaning or Replacing the Process Air FiltersCleaning or Replacing the Regeneration Filter Calibrating the Dirty Filter AlarmChecking the Dewpoint Control System Corrective Maintenance Symptoms of Worn Out DesiccantReplacing the Desiccant Desiccant Tower Assembly Replacing the Process Heater Electric DryersProcess Heater Box Assembly Replacing the Regeneration Heater Electric DryersRegeneration Heater Box Assembly Troubleshooting Basic TroubleshootingIntroduction Large Dehumidifying Dryers Troubleshooting Alarms Alarm DescriptionsAlarm Alarm Description Alarm Effect Code Determining Temperature Controller Errors or Sensor Errors Using a ThermocoupleUsing a Platinum Resistance Thermometer Appendix Technical SpecificationsAftercooler Design Specifications Annex B InformationDrawings and Diagrams Optional dryer dust collector Spare Parts List Level 3 Mechanical Components Dryer Identification Serial Number Tag Located on back of DryerParts Department Service DepartmentTechnical Assistance Sales Department

822.00292.00 specifications

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In conclusion, the Sterling 822.00292.00 represents a blend of innovation, reliability, and user-friendliness. With its impressive array of features and technologies, it has become a go-to option for professionals across various industries looking to enhance their operational efficiency.
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