Process Air Temperature Controller

Optional Controller – Optional Three Phase Control Panel shown with Optional Dew Point Monitor

Our dryers use a microprocessor-based PID temperature controller for maintaining process air temperature. The controller is a modular, self-contained unit you can remove from the mounting housing. All parameters except for the process air set point are factory set and adjusted; normally, no field adjustment to the internal controls is necessary.

Figure 6: Typical Process Air Temperature Controller

PV

15, 30, & 60 cfm Compact Dryers

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Sterling SDA Series 25-100 specifications Process Air Temperature Controller, Pv Sv

Contents

SDA Series 15-60cfm Compact Dehumidifying Dryers Unpacking and Inspection Shipping InformationIn the Event of Shipping Damage If the Shipment is Not Complete CHAPTER 3 INSTALLATION Table of ContentsCHAPTER 1 SAFETY CHAPTER 2: FUNCTIONAL DESCRIPTION CHAPTER 6 TROUBLESHOOTING CHAPTER 5 MAINTENANCECHAPTER 7 APPENDIX 15, 30, & 60 cfm Compact Dryers Chapter 1 Safety 1-1How to Use This ManualSafety Symbols Used in this Manual 1-3Warnings and Precautions 1-2Safety Tag InformationRead Operation and Installation Manual Dryer Safety Tags 1-4Responsibility General ResponsibilityOperator Responsibility REMEMBER Reporting a Safety Defect Maintenance Responsibility 2-1Models Covered in This Manual Chapter 2 Functional Description2-2General Description What is desiccant? Figure 1 Typical Dryer Air Flow Schematic 2-3Standard FeaturesMechanical Features Electrical Features 2-5Safety Devices and Interlocks 2-4OptionsController Features Safety Circuit Standards Safety Device Lock-OutsFail Safe Operation Chapter 3 Installation 3-1Uncrating the Equipment3-2Rigging and Placing the Dryer POWER ON 15, 30, & 60 cfm Compact DryersDEW POINT 3-3Electrical Connections Three-PhaseModels 3-4Setup ProceduresChecking for Proper Blower Rotation Floor Mount Models Installing Water Lines 3-5Initial Start-upDrying Hopper Air Trap Considerations Optional Aftercooler Shutting Down the Dryer Auto-Tuningthe Dryer 4-1Controller Description and Operation Chapter 4 OperationSwitches Indicator Lights PV SV Process Air Temperature Controller Lit when Control Output 1 is on. The Out1 IndicatorLit when Control Output 2 is on. Not used in Indicator Indicator Setting the Process Air TemperatureAdjustment Level Indicator Name IndicatorDescription Entering Operating Parameters to Select Modes Setting the High Dew Point Alarm Process Air Dew Point DisplayOptional Controller Operation 4-2Dryer Operation Procedures Alarm Display Messages HEAT COOL 50 SYSTEM NORMAL HIGH TEMP VALVE MTRValve Motor Time-Out Blower Overload No Alarms PROC BLWR 5-1Preventative Maintenance Schedule Chapter 5 MaintenanceEvery Day Every week Figure 9 Air Filter Location and Disassembly 5-2Preventative MaintenanceServicing Process Air Filters Vacuuming Cleaning with Compressed Air 5-3Corrective MaintenanceSymptoms of Worn Desiccant Servicing the Dew Point Monitor Replacing Worn Desiccant + FIRST AID + Figure 11 Required Desiccant Amounts 13X Type Figure 10 Desiccant Bed Location and Disassembly Procedures Replacing the Process/Regeneration HeaterWARNING! Hazardous electrical current present Figure 13 Cooling Coil Location and Disassembly Replacing/Cleaning the Cooling CoilReplacement Procedures If used as an after-Cooler 3 to 4 GPM @ 85F 8.Inset the four 10-32bolts back in place 9.Turn the water to the cooling coil back on15, 30, & 60 cfm Compact Dryers Chapter 6 Troubleshooting 6-1IntroductionHIGH TEMP Alarm Message PROC BLWRHIGH TEMP Cause Using a Thermocouple VALVE MTRAlarm Message Cause Chapter 7 Appendix 7-1WarrantyWarranty Specifications Warranty Restrictions 7-2Technical Specifications Customer ResponsibilitiesAnnex B Information Aftercooler Design Specifications 7-3Drawings and DiagramsRegeneration MoistureMake Up Air Exhaust High Pressure Peripheral Blower After-Cooler Regeneration MoistureMake Up Air Figure 16 Low Heat Model 120F to 250F Air FlowExhaust High Pressure Peripheral Blower DRYER SPARE PARTS LIST 15, 30, 60 cfm Models 7-4Spare Parts List15, 30, & 60 cfm Compact Dryers Mechanical Components HI-COREDESICCANT DRYER 15/30/60 CFM UNITS 15, 30, & 60 cfm Compact Dryers 15, 30, & 60 cfm Compact Dryers 30 CFMDescription 15, 30, & 60 cfm Compact Dryers 60 CFMDescription A0571672 15, 30, & 60 cfm Compact Dryers120V CONTROL COMMON PARTS Description Credit Returns 7-5Returned Material Policy 7-7Technical Assistance 7-6Dryer Identification Serial Number TagWarranty Returns Service Department 15, 30, & 60 cfm Compact Dryers Contract Department