Sterling 882.00291.00 specifications Replacing the Process/Regeneration Heater, Procedures

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Replacing the Process/Regeneration Heater

The dehumidifying dryers utilize a single-phase Calrod-type heater element. This heater element is mounted in the center compartment in the desiccant beds. Although the replacement procedure is the same for each heater, the wattage varies by model, voltage, temperature range, etc.

WARNING! Hazardous electrical current present.

Disconnect and lock out power before you replace heater elements!

Figure 12: Process/Regeneration Heater Location and Disassembly

Desiccant

Assembly Rod

Gasket

Regeneration

Heater

Valve & Air Manifold Casting

Hollow

Desiccant

Tank

Wire Conduit

 

Assembly

Lower Air Manifold Casting

 

Procedures

1.Disconnect electrical power to the dryer.

2.Using a 1/8” Allen wrench, remove the 10-24 button head screws holding the top, back and side panels to the dryer frame.

3.Disconnect the plug for the valve motor, valve switch, and blower (15 only).

4.Remove the four (4) nuts at each corner of the top casting.

15, 30, & 60 cfm Compact Dryers

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Contents SDA Series 15, 30, & 60 cfm Compact Dehumidifying Dryers Event of Shipping Damage Shipping InformationUnpacking and Inspection If the Shipment is Not CompleteTable of Contents Maintenance How to Use This Manual SafetySafety Symbols Used in this Manual Safety Tag Information Wear Safety Glasses and Work GlovesGeneral Responsibility ResponsibilityOperator Responsibility Remember Maintenance Responsibility Reporting a Safety DefectModels 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 DryersSetup Procedures Checking for Proper Blower Rotation Three-Phase ModelsDrying Hopper Air Trap Considerations Installing Water LinesInitial Start-up Optional AftercoolerAuto-Tuning the Dryer Shutting Down the DryerOperation SwitchesIndicator Lights Controller Description and OperationProcess Air Temperature Controller Indicator 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 whenAdjustment 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 OperationAlarm Display Messages High Temp Valve MTR Maintenance Preventative Maintenance ScheduleServicing Process Air Filters Preventative MaintenanceRecommendations for Cleaning and Replacing Filters VacuumingSymptoms of Worn Desiccant Corrective MaintenanceCleaning with Compressed Air Servicing the Dew Point Monitor+ First AID + Replacing Worn DesiccantDesiccant Bed Location and Disassembly Procedures Replacing the Process/Regeneration HeaterReplacing/Cleaning the Cooling Coil Replacement ProceduresPage Troubleshooting IntroductionProc Blwr Determining Temperature Controller Errors or Sensor Errors Using a ThermocoupleTechnical Specifications AppendixDrawings and Diagrams Aftercooler Design SpecificationsHigh Heat Model 180F to 400F Air Flow Schematic Spare Parts List Level 1 Spare Parts List Electrical & MechanicalHI-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 TagParts and Service Department Parts Department Service DepartmentTechnical Assistance Sales Department
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882.00291.00 specifications

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