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Sterling SDA Series 25-100 15 cfm High Heat Model 180F to 400F Air Flow Schematic, Drying, Filter

Models: 30 cfm

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Image 42

Figure 15: High Heat Model (180°F to 400°F) Air Flow Schematic

After-Cooler

Regeneration

MoistureMake Up Air

Exhaust

Filter

High Pressure

Peripheral Blower

	Process	Drying
		Hopper
	Heater

Figure 16: Low Heat Model (120°F to 250°F) Air Flow

Regeneration

MoistureMake Up Air

Exhaust

Filter

High Pressure

Peripheral Blower

	Cooler	Drying
	Cooler	Hopper
		Hopper

15, 30, & 60 cfm Compact Dryers

Page 42

Image 42

Sterling SDA Series 25-100 15 cfm High Heat Model 180F to 400F Air Flow Schematic, Low Heat Model 120F to 250F Air Flow

Contents

We are committed to a continuing program of product improvement SDA Series 15, 30, & 60 cfm Compact Dehumidifying DryersPart Number Bulletin Number DH1-635.3 Effective DCN No CopyrightIn the Event of Shipping Damage Shipping InformationUnpacking and Inspection If the Shipment is Not CompleteCHAPTER 1 SAFETY Table of ContentsCHAPTER 4 OPERATION CHAPTER 3 INSTALLATIONCHAPTER 5 MAINTENANCE CHAPTER 6 TROUBLESHOOTINGCHAPTER 7 APPENDIX Chapter 1 Safety 1-1 How to Use This ManualSafety Symbols Used in this Manual Read Operation and Installation Manual Earth Ground 1-2 Safety Tag Information1-3 Warnings and Precautions Dryer Safety Tags1-4 Responsibility General ResponsibilityOperator Responsibility REMEMBER Maintenance Responsibility Reporting a Safety Defect2-2 General Description Chapter 2 Functional Description2-1 Models Covered in This Manual What is desiccant?Mechanical Features 2-3 Standard FeaturesFigure 1 Typical Dryer Air Flow Schematic Electrical FeaturesController Features 2-5 Safety Devices and Interlocks2-4 Options residual heat coming out of the desiccant tank prior toSafety Circuit Standards Safety Device Lock-OutsFail Safe Operation Chapter 3 Installation 3-1 Uncrating the Equipment3-2 Rigging and Placing the Dryer Figure 2 Suggested Lift Rigging for Cart Mount Dryers Figure 3 Suggested Lift Rigging for Floor Mounted DryersNote Floor Mounted Dryers can be lifted by hoist or fork lift 3-3 Electrical Connections Figure 4 Suggested Lift Rigging for Machine Mounted Dryers3-4 Setup Procedures Checking for Proper Blower Rotation Three-Phase ModelsMaking Dryer/Drying Hopper Process Air Connections Floor Mount Models Caution! Clean the rust-preventing oil from inside the drying hopper 3-5 Initial Start-upInstalling Water Lines Drying Hopper Air Trap ConsiderationsAuto-Tuning the Dryer Shutting Down the DryerSwitches Chapter 4 Operation4-1 Controller Description and Operation Indicator LightsProcess Air Temperature Controller Figure 6 Typical Process Air Temperature Controller PV SVLit when Control Output 1 is on. The Out1 Identifying Process Air Temperature Controller LED IndicatorsIndicator Lit when Control Output 2 is on. Not used inAdjustment Level Setting the Process Air TemperatureIndicator IndicatorThe PV readout will display the different parameters within each mode Process Air Dew Point Display Setting the High Dew Point AlarmRestoring the Process Air Dew Point Meter E5CK to Factory Setup Optional4-2 Dryer Operation Procedures Controller OperationAlarm Display Messages Note A change will NOT take effect until step 12-c is doneValve Motor Time-Out Blower Overload No Alarms HIGH TEMP VALVE MTRHEAT COOL 50 SYSTEM NORMAL PROC BLWREvery Day Chapter 5 Maintenance5-1 Preventative Maintenance Schedule Every weekFigure 9 Air Filter Location and Disassembly 5-2 Preventative MaintenanceRecommendations for Cleaning and Replacing Filters Servicing Process Air FiltersCaution! DO NOT clean/wash filter with water 5-3 Corrective MaintenanceCleaning with Compressed Air Symptoms of Worn DesiccantWARNING! Handling desiccant material is HAZARDOUS + FIRST AID +SEE A PHYSICIAN IMMEDIATELY IF IRRITATION PERSISTS Handle with adequate ventilation Wash hands thoroughly after handlingConsult local disposal regulations for more information Figure 10 Desiccant Bed Location and DisassemblyCaution! You should properly dispose of any discarded desiccant Figure 11 Required Desiccant Amounts 13X TypeProcedures Disconnect and lock out power before you replace heater elementsFigure 12 Process/Regeneration Heater Location and Disassembly Replacing the Process/Regeneration HeaterReplacement Procedures Replacing/Cleaning the Cooling CoilFigure 13 Cooling Coil Location and Disassembly If used as an after-Cooler 3 to 4 GPM @ 85F8. Inset the four 10-32 bolts back in place 9. Turn the water to the cooling coil back on15, 30, & 60 cfm Compact Dryers Chapter 6 Troubleshooting 6-1 IntroductionHIGH TEMP HIGH TEMP PROC BLWRAlarm Message CauseUsing a Thermocouple 6-2 Determining Temperature Controller Errors or Sensor ErrorsVALVE MTR Alarm Message7-1 Technical Specifications Chapter 7 AppendixAnnex B Information Figure 14 Standard Model 180F to 230F Air Flow Schematic 7-2 Drawings and DiagramsAftercooler Design Specifications Regeneration MoistureMake Up Air ExhaustAfter-Cooler Regeneration MoistureMake Up Air Exhaust Figure 15 High Heat Model 180F to 400F Air Flow SchematicFigure 16 Low Heat Model 120F to 250F Air Flow High Pressure Peripheral BlowerDRYER SPARE PARTS LIST 15, 30, 60 cfm Models 7-3 Spare Parts ListFigure 18 Level 1 Spare Parts List Electrical & Mechanical Mechanical ComponentsHI-CORE DESICCANT DRYER 15/30/60 CFM UNITS 15 CFMDescription 15, 30, & 60 cfm Compact Dryers 30 CFMDescription 15, 30, & 60 cfm Compact Dryers 60 CFMDescription 15, 30, & 60 cfm Compact Dryers A053404715, 30, & 60 cfm Compact Dryers Warranty Returns 7-5 Returned Material Policy7-6 Dryer Identification Serial Number Tag Credit ReturnsParts Department 7-7 Technical AssistanceService Department Sales Department