Sterling SDA AP-1 specifications Drawings and Diagrams

Page 16

2-5 Drawings and Diagrams

Process

Heater

Left Desiccants

	Regeneration
	Blower	Insulated
		Insulated
		Drying
		Hopper
	Regen.
	Filter	Process
		Process
		Air Filter
Optional
Regeneration
Closed Loop
Cooler
Optional	Regen.
Optional	Exhaust
Regeneration	Exhaust
Closed Loop
Valve

Optional

After-cooler

Right Desiccants

Dryer Valve

Process

Blower

Airflow Schematic: 2000-3000 cfm dryers (4 desiccant beds). Left desiccant beds are regenerating—closed loop regeneration is activated.

Process

Heater

Regeneration

Blower

Insulated

Drying

Hopper

Regen.

Filter

Process

Air Filter

Optional

Regeneration

Closed Loop

Cooler

Left Desiccants

	Optional	Regen.
	Optional	Exhaust
	Regeneration	Exhaust
	Closed Loop
	Valve

Right Desiccants Dryer Valve

Optional

After-cooler

Process

Blower

Airflow Schematic: 2000-3000 cfm dryers (4 desiccant bed). Left desiccant beds are regenerating in open-loop regeneration mode.

Large Dehumidifying Dryers

Functional Description

16

Image 16

Contents SDA Large AP-1 Control Dehumidifying Dryer Shipping Info Unpacking and InspectionEvent of Shipping Damage If the Shipment is Not CompleteReturns Table of Contents Operation Troubleshooting How to Use This Manual SafetySafety Symbols Used in this Manual Dryer Safety Tags Description General Responsibility ResponsibilityOperator Responsibility Maintenance Responsibility Reporting a Safety Defect Models Covered in This Manual Functional DescriptionGeneral Description Process/Regeneration Cycle Sequence of OperationStandard Features Auto Start TimerMechanical Features Electrical FeaturesDewpoint Extend OptionsClosed-Loop Regeneration Drawings and Diagrams Optional dryer dust collector Process Aftercooler Aftercooler Design SpecificationsProcess Air Dust Collector Process Air Dust Collector Recommended Temperature Settings Material Overdrying ProtectionElectrical Options Mechanical OptionsController Options Safety Devices and Interlocks Safety Circuit StandardsSafety Device Lock-Outs Fail Safe OperationPage Dimensions and Specifications Denotes availability Mechanical Options Denotes availabilityDenotes availability Mechanical Installation Uncrating the EquipmentRigging and Placing Unit Making Electrical ConnectionsMaking Gas Line Connections Gas-Fired Models Only DescriptionChecking for Proper Blower Rotation Checking Blower RotationMaking Dryer/Drying Hopper Process Air Connections Dryer/Drying Hopper Process Air ConnectionsProcess Air Heater on Drying Hopper Large Dehumidifying Dryers Mechanical Installation Connecting Aftercooler/Precooler Cooling Water Optional Aftercooler Components & Flow RatesUsing the Drying Hopper Air Trap Drying Hopper Air TrapControls Controller DescriptionProcess Air Temperature and Conveying Process Controller Dryer Status Screen Startup ScreenIdentifying Controller Screens Dryer Alarms Help System LOG OFFMain Menu Screen Setting Values Dryer Menu Dryer Status Dryer Setup Over DRY Protect Alarms Auto TuneAuto Start Main Menu Dryer Setup Screen 3 Dryer Setup Screen 2Dryer Setup Screen 4 Overdry Protection Screen 1 Overdry ProtectionOverdry Protection Screen 2 Autotune Alarm History ScreenProcess AutoTune Screen DEW Point Setup Dew Point Setup ScreenAutostart Timer Screen Auto StartSystem Setup SET Clock Hour Meters Alarm History Status Help MenuHelp Menu Screen System MenuSystem Setup Screen System Backup Service Menu Main Menu System SetupLOW Level Detection Setup Clock Menu Screen Autostart Clock ScreenHour Meter Screen Input StatusInput Status Screen Output StatusService System Backup ScreenService Menu Screen Alarm Screens Redundant Safety Controller Display Alarm Screen ExampleSetting the Redundant Safety Controller Always put your set point to 30F above set pointLarge Dehumidifying Dryers Controls Operation Start-upUsing the Dryer Status Screen Alarms Alarm DescriptionsShutdown Maintenance Schedule MaintenancePhotocopy this page for your maintenance records Preventative Maintenance Cleaning or Replacing the Process Air FiltersCleaning or Replacing the Regeneration Filter Calibrating the Dirty Filter AlarmChecking the Dewpoint Control System Symptoms of Worn Out Desiccant Corrective MaintenanceReplacing the Desiccant Desiccant Tower Assembly Replacing the Process Heater Electric DryersProcess Heater Box Assembly Replacing the Regeneration Heater Electric DryersRegeneration Heater Box Assembly Basic Troubleshooting TroubleshootingIntroduction Large Dehumidifying Dryers Troubleshooting Using a Thermocouple Determining Temperature Controller Errors or Sensor ErrorsUsing a Platinum Resistance Thermometer Warranty Returns AppendixReturned Material Policy Credit ReturnsTechnical Specifications Annex B InformationSpare Parts List Level 3 Mechanical Components Dryer Identification Serial Number Tag Located on back of DryerService Department Technical AssistanceParts Department Sales Department