Sterling SDA AP-1 specifications Operation

Page 5

3-7 Connecting Aftercooler/Precooler Cooling Water (Optional)

32

3-8 Using the Drying Hopper Air Trap

33

CHAPTER 4: CONTROLS

34

4-1

Controller Description

34

4-2

Identifying Control Panel Components for the AP-1 Optional Controller

35

 

 

Disconnect Switch

35

 

 

Control Power Switch

35

 

 

Touch Screen

35

 

 

Alarm Horn & Light

35

4-3 Process Air Temperature and Conveying Process Controller

35

 

 

 

 

 

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35

4-4

Identifying Controller Screens

36

Main Menu Screen

36

Typical Dryer Screens

36

 

 

System Screens

43

 

 

Alarm Screens

48

 

 

Alarm Screen Example

49

See Section 7-4: Alarms on p. 57 for alarm descriptions

49

4-5 Redundant Safety Controller Display

49

4-6 Setting the Redundant Safety Controller

50

CHAPTER 5: OPERATION

52

5-1

Start-up

52

5-2 Using the Dryer Status Screen

53

5-3

Alarms

54

 

 

 

 

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54

5-4

Alarm Descriptions

54

5-5

Shutdown

55

CHAPTER 6: MAINTENANCE

56

6-1

Maintenance Schedule

56

6-2

Preventative Maintenance

57

 

 

Cleaning or Replacing the Process Air Filters

57

 

 

Cleaning or Replacing the Regeneration Filter

58

 

 

Calibrating the Dirty Filter Alarm

58

 

 

Checking the Dewpoint Control System

59

6-3

Corrective Maintenance

60

 

 

Symptoms of Worn Out Desiccant

60

 

 

Replacing the Desiccant

60

 

 

Replacing the Process Heater (Electric Dryers)

61

Large Dehumidifying Dryers

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Contents SDA Large AP-1 Control Dehumidifying Dryer Unpacking and Inspection Shipping InfoEvent of Shipping Damage If the Shipment is Not CompleteReturns Table of Contents Operation Troubleshooting 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 CycleAuto Start Timer Standard FeaturesMechanical Features Electrical 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 Safety Circuit Standards Safety Devices and InterlocksSafety Device Lock-Outs Fail Safe OperationPage Mechanical Options Denotes availability Dimensions and Specifications Denotes availabilityDenotes availability Uncrating the Equipment Mechanical InstallationRigging and Placing Unit Making Electrical ConnectionsDescription 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 Dew Point Setup Screen DEW Point SetupAutostart Timer Screen Auto StartHelp Menu System Setup SET Clock Hour Meters Alarm History StatusHelp Menu Screen System MenuLOW Level Detection Setup System Backup Service Menu Main Menu System SetupSystem Setup Screen Autostart Clock Screen Clock Menu ScreenInput Status Hour Meter ScreenInput Status Screen Output StatusService 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 Warranty ReturnsReturned Material Policy Credit ReturnsAnnex B Information Technical SpecificationsSpare Parts List Level 3 Mechanical Components Located on back of Dryer Dryer Identification Serial Number TagTechnical Assistance Service DepartmentParts Department Sales Department