Sterling 882.00295.00 specifications Process Air Temperature and Conveying Process Controller

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4-2 Identifying Control Panel Components for the AP-1 Optional Controller

Disconnect Switch

The Disconnect Switch is located in the front upper right hand corner of the control enclosure. It allows the user to disconnect power to the dryer for emergency shutdown, service or long periods of inactivity.

Control Power Switch

The Control Power Switch is located on the front of the control enclosure below the touch screen. The switch energizes the control circuit (PLC, touch screen, relays, etc.) within the control enclosure.

Touch Screen

The Touch Screen is located in the center of the control enclosure. Once the disconnect is on and the control circuit is energized, the machine can be started and parameters can be adjusted through the touch screen.

Alarm Horn & Light

The Alarm Horn and the Alarm Light are located on the top of the enclosure. These devices give an audible and visual indication that there is a malfunction with the system.

4-3 Process Air Temperature and Conveying Process Controller

AEC dryers equipped with the “AP-1” control package use a PLC with a touch screen interface to control the operation of the dryer system. This section of the manual will address those parameters that allow the user to optimize the drying/conveying system for specific applications.

(Dryer Status Screen)

(Startup Screen)

The screen shown above provides the operator with the following information:

•Dryer Model Number

•Temperature units (In Celsius or Fahrenheit)

Large Dehumidifying Dryers

Controls

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Contents SDA 1000-5100 Series Large Dehumidifying Dryer AP-1 Control If the Shipment is Not Complete Shipping InfoUnpacking and Inspection Event of Shipping DamageCredit Returns ReturnsTable of Contents Operation Large Dehumidifying Dryers Safety Symbols Used in this Manual SafetyHow to Use This Manual Dryer Safety Tags Description Operator Responsibility ResponsibilityGeneral Responsibility Maintenance Responsibility Reporting a Safety Defect General Description Functional DescriptionModels Covered in This Manual Sequence of Operation Process/Regeneration CycleElectrical Features Standard FeaturesAuto Start Timer Mechanical FeaturesClosed-Loop Regeneration OptionsDewpoint Extend Drawings and Diagrams Optional dryer dust collector Process Air Dust Collector Aftercooler Design SpecificationsProcess Aftercooler Process Air Dust Collector Material Overdrying Protection Recommended Temperature SettingsController Options Mechanical OptionsElectrical Options Fail Safe Operation Safety Devices and InterlocksSafety Circuit Standards Safety Device Lock-OutsPage Mechanical Options Denotes availability Dimensions and Specifications Denotes availabilityDenotes availability Making Electrical Connections Mechanical InstallationUncrating the Equipment Rigging and Placing UnitDescription Making Gas Line Connections Gas-Fired Models OnlyChecking Blower Rotation Checking for Proper Blower RotationDryer/Drying Hopper Process Air Connections Making Dryer/Drying Hopper Process Air ConnectionsProcess Air Heater on Drying Hopper Large Dehumidifying Dryers Mechanical Installation Aftercooler Components & Flow Rates Connecting Aftercooler/Precooler Cooling Water OptionalDrying Hopper Air Trap Using the Drying Hopper Air TrapController Description ControlsDryer Status Screen Startup Screen Process Air Temperature and Conveying Process ControllerMain Menu Screen Dryer Alarms Help System LOG OFFIdentifying Controller Screens Setting Values Auto Start Main Menu Dryer Status Dryer Setup Over DRY Protect Alarms Auto TuneDryer Menu Dryer Setup Screen 4 Dryer Setup Screen 2Dryer Setup Screen 3 Overdry Protection Screen 2 Overdry ProtectionOverdry Protection Screen 1 Process AutoTune Screen Alarm History ScreenAutotune Auto Start DEW Point SetupDew Point Setup Screen Autostart Timer ScreenSystem Menu System Setup SET Clock Hour Meters Alarm History StatusHelp Menu Help Menu ScreenLOW Level Detection Setup System Backup Service Menu Main Menu System SetupSystem Setup Screen Autostart Clock Screen Clock Menu ScreenOutput Status Hour Meter ScreenInput Status Input Status ScreenService Menu Screen System Backup ScreenService Alarm Screens Alarm Screen Example Redundant Safety Controller DisplayAlways put your set point to 30F above set point Setting the Redundant Safety ControllerLarge Dehumidifying Dryers Controls Start-up OperationUsing the Dryer Status Screen Alarm Descriptions AlarmsShutdown Photocopy this page for your maintenance records MaintenanceMaintenance Schedule Cleaning or Replacing the Process Air Filters Preventative MaintenanceCalibrating the Dirty Filter Alarm Cleaning or Replacing the Regeneration FilterChecking the Dewpoint Control System Replacing the Desiccant Corrective MaintenanceSymptoms of Worn Out Desiccant Replacing the Process Heater Electric Dryers Desiccant Tower AssemblyReplacing the Regeneration Heater Electric Dryers Process Heater Box AssemblyRegeneration Heater Box Assembly Introduction TroubleshootingBasic Troubleshooting Large Dehumidifying Dryers Troubleshooting Using a Platinum Resistance Thermometer Determining Temperature Controller Errors or Sensor ErrorsUsing a Thermocouple Appendix WarrantyAnnex B Information Technical SpecificationsSpare Parts List Level 3 Mechanical Components Located on back of Dryer Dryer Identification Serial Number TagSales Department Service DepartmentTechnical Assistance Parts Department

882.00295.00 specifications

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