Sterling SDA Series 25-100 1-1How to Use This Manual, Safety Symbols Used in this Manual

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Chapter 1: Safety

Chapter 1: Safety

1-1 How to Use This Manual

Use this manual as a guide and reference for installing, operating, and maintaining your drying system. The purpose is to assist you in applying efficient, proven techniques that enhance equipment productivity.

This manual covers only light corrective maintenance. No other maintenance should be undertaken without first contacting a service engineer.

The Functional Description section outlines models covered, standard features, and safety features. Additional sections within the manual provide instructions for installation, pre- operational procedures, operation, preventive maintenance, and corrective maintenance.

The Installation chapter includes required data for receiving, unpacking, inspecting, and setup of the drying system. We can also provide the assistance of a factory-trained technician to help train your operator(s) for a nominal charge. This section includes instructions, checks, and adjustments that should be followed before commencing with operation of the drying system. These instructions are intended to supplement standard shop procedures performed at shift, daily, and weekly intervals.

The Operation chapter includes a description of electrical and mechanical controls, in addition to information for operating the dryer safely and efficiently.

The Maintenance chapter is intended to serve as a source of detailed assembly and disassembly instructions for those areas of the equipment requiring service. Preventive maintenance sections are included to ensure that your drying system provides excellent, long service.

The Troubleshooting chapter serves as a guide for identification of most common problems. Potential problems are listed, along with possible causes and related solutions.

The Appendix contains technical specifications, drawings, schematics, parts lists, and available options. A spare parts list with part numbers specific to your machine is provided with your shipping paperwork package. Refer to this section for a listing of spare parts for purchase. Have your serial number and model number ready when ordering.

Safety Symbols Used in this Manual

The following safety alert symbols are used to alert you to potential personal injury hazards. Obey all safety messages that follow these symbols to avoid possible injury or death.

DANGER! DANGER indicates an imminently hazardous situation that, if not avoided, will result in death or serious injury.

WARNING! WARNING indicates a potentially hazardous situation or practice that, if not avoided, could result in death or serious injury.

Caution! CAUTION indicates a potentially hazardous situation or practice that, if not avoided, may result in minor or moderate injury or in property damage.

15, 30, & 60 cfm Compact Dryers

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Contents SDA Series 15-60cfm Compact Dehumidifying Dryers Unpacking and Inspection Shipping InformationIn the Event of Shipping Damage If the Shipment is Not CompleteCHAPTER 3 INSTALLATION Table of ContentsCHAPTER 1 SAFETY CHAPTER 2: FUNCTIONAL DESCRIPTIONCHAPTER 6 TROUBLESHOOTING CHAPTER 5 MAINTENANCECHAPTER 7 APPENDIX 15, 30, & 60 cfm Compact DryersSafety Symbols Used in this Manual Chapter 1 Safety1-1How to Use This Manual 1-3Warnings and Precautions 1-2Safety Tag InformationRead Operation and Installation Manual Dryer Safety TagsOperator Responsibility 1-4ResponsibilityGeneral Responsibility REMEMBER Reporting a Safety Defect Maintenance Responsibility2-1Models 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 FeaturesController Features 2-5Safety Devices and Interlocks2-4Options Fail Safe Operation Safety Circuit StandardsSafety Device Lock-Outs 3-2Rigging and Placing the Dryer Chapter 3 Installation3-1Uncrating the Equipment DEW POINT POWER ON15, 30, & 60 cfm Compact Dryers 3-3Electrical Connections Three-PhaseModels 3-4Setup ProceduresChecking for Proper Blower Rotation Floor Mount ModelsInstalling Water Lines 3-5Initial Start-upDrying Hopper Air Trap Considerations Optional AftercoolerShutting Down the Dryer Auto-Tuningthe Dryer4-1Controller Description and Operation Chapter 4 OperationSwitches Indicator LightsPV SV Process Air Temperature ControllerLit when Control Output 1 is on. The Out1 IndicatorLit when Control Output 2 is on. Not used in IndicatorIndicator Setting the Process Air TemperatureAdjustment Level IndicatorName IndicatorDescription Entering Operating Parameters to Select ModesOptional Setting the High Dew Point AlarmProcess Air Dew Point Display Controller Operation 4-2Dryer Operation ProceduresAlarm Display Messages HEAT COOL 50 SYSTEM NORMAL HIGH TEMP VALVE MTRValve Motor Time-Out Blower Overload No Alarms PROC BLWR5-1Preventative Maintenance Schedule Chapter 5 MaintenanceEvery Day Every weekFigure 9 Air Filter Location and Disassembly 5-2Preventative MaintenanceServicing Process Air Filters VacuumingCleaning with Compressed Air 5-3Corrective MaintenanceSymptoms of Worn Desiccant Servicing the Dew Point MonitorReplacing Worn Desiccant + FIRST AID +Figure 11 Required Desiccant Amounts 13X Type Figure 10 Desiccant Bed Location and DisassemblyWARNING! Hazardous electrical current present ProceduresReplacing the Process/Regeneration Heater Figure 13 Cooling Coil Location and Disassembly Replacing/Cleaning the Cooling CoilReplacement Procedures If used as an after-Cooler 3 to 4 GPM @ 85F15, 30, & 60 cfm Compact Dryers 8.Inset the four 10-32bolts back in place9.Turn the water to the cooling coil back on HIGH TEMP Chapter 6 Troubleshooting6-1Introduction Alarm Message PROC BLWRHIGH TEMP CauseUsing a Thermocouple VALVE MTRAlarm Message CauseChapter 7 Appendix 7-1WarrantyWarranty Specifications Warranty RestrictionsAnnex B Information 7-2Technical SpecificationsCustomer Responsibilities Aftercooler Design Specifications 7-3Drawings and DiagramsRegeneration MoistureMake Up Air Exhaust High Pressure Peripheral BlowerAfter-Cooler Regeneration MoistureMake Up Air Figure 16 Low Heat Model 120F to 250F Air FlowExhaust High Pressure Peripheral BlowerDRYER SPARE PARTS LIST 15, 30, 60 cfm Models 7-4Spare Parts List15, 30, & 60 cfm Compact Dryers Mechanical ComponentsHI-COREDESICCANT DRYER 15/30/60 CFM UNITS 15, 30, & 60 cfm Compact DryersDescription 15, 30, & 60 cfm Compact Dryers30 CFM Description 15, 30, & 60 cfm Compact Dryers60 CFM A0571672 15, 30, & 60 cfm Compact Dryers120V CONTROL COMMON PARTS DescriptionCredit Returns 7-5Returned Material Policy7-7Technical Assistance 7-6Dryer Identification Serial Number TagWarranty Returns Service Department15, 30, & 60 cfm Compact Dryers Contract Department
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