Sterling 30 cfm, 60 cfm specifications Replacing/Cleaning the Cooling Coil, Replacement Procedures

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5.Disconnect heater thermostat safety.

6.Pickup and place the top casting in a safe place.

7.Pickup the desiccant can to reveal the heater.

8.Using a 1/8” Allen wrench, remove the four (4) 10-32 screws on the heater plate.

9.Remove the wires to the heater plate assembly being removed or replaced.

10.Remove the two (2) 4-40 screws for the temperature switch.

11.Inspect temperature switch with voltmeter. (Normally closed, ohms). Replace if faulty.

12.Re-install the heater and heater plate assemblies in reverse order. Install new heater gaskets and securely tighten all fasteners.

Caution! Heater loops should not touch each other. “Hot spots” lead to premature heater failure!

Replacing/Cleaning the Cooling Coil

Figure 13: Cooling Coil Location and Disassembly

1" Wide x 1/8" Thick High Temperature Gasket

Undo (4) 10-32 Button Head Screws using 1/8 Allen Wrench

Use compressed air or a steam cleaner to blow the dust off or clean any oily residue on the coil.

PROCESS	DEW POINT	CONTROL
TEMPERATURE		POWER
		ON
		OFF

POWER ON

ALARM

ON

OFF

To clean the cooling coil, use compressed air or a steam cleaner to blow the dust off or clean any oily residue on the coil.

Water flow requirement:

If used as an after-Cooler: 3 to 4 GPM @ 85°F.

If used as a Plasticizer trap: 3 to 4 GPM @ 40°F to 45°F.

Replacement Procedures

1.Shut down the dryer, tag out and lock out the controls if necessary.

2.Shut the water off to the cooling coil.

3.Remove the four 10-32 bolts.

4.Gently slide the cooling coil out.

15, 30, & 60 cfm Compact Dryers

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Contents SDA Series 15, 30, & 60 cfm Compact Dehumidifying Dryers If the Shipment is Not Complete Shipping InformationUnpacking and Inspection Event of Shipping DamageTable of Contents Maintenance Safety Symbols Used in this Manual SafetyHow to Use This Manual Wear Safety Glasses and Work Gloves Safety Tag InformationOperator Responsibility ResponsibilityGeneral Responsibility Remember Reporting a Safety Defect Maintenance ResponsibilityGeneral 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 Suggested Lift Rigging for Machine Mounted Dryers Electrical ConnectionsChecking for Proper Blower Rotation Three-Phase Models Setup ProceduresOptional Aftercooler Installing Water LinesInitial Start-up Drying Hopper Air Trap ConsiderationsShutting Down the Dryer Auto-Tuning the DryerController Description and Operation SwitchesIndicator Lights OperationProcess 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 DescriptionE5CN 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 Controller Operation Dryer Operation ProceduresAlarm Display Messages High Temp Valve MTR Preventative Maintenance Schedule MaintenanceVacuuming Preventative MaintenanceRecommendations for Cleaning and Replacing Filters Servicing Process Air FiltersServicing the Dew Point Monitor Corrective MaintenanceCleaning with Compressed Air Symptoms of Worn DesiccantReplacing Worn Desiccant + First AID +Desiccant Bed Location and Disassembly Replacing the Process/Regeneration Heater ProceduresReplacement Procedures Replacing/Cleaning the Cooling CoilPage Introduction TroubleshootingProc Blwr Using a Thermocouple Determining Temperature Controller Errors or Sensor ErrorsAppendix Technical SpecificationsAftercooler Design Specifications Drawings and DiagramsHigh Heat Model 180F to 400F Air Flow Schematic Level 1 Spare Parts List Electrical & Mechanical Spare Parts ListHI-CORE Desiccant Dryer 15/30/60 CFM Units 30 CFM 60 CFM 120V Control Common Parts 220V Control Common Parts Dryer Identification Serial Number Tag Returned Material PolicySales Department Service DepartmentTechnical Assistance Parts Department