Sterling 822.00292.00 Adjustment Level Indicator Name Description, Tuned prior to dryer startup

Page 30

Available E5CN Modes

Operation Level

 

Indicator

Name

Description

 

 

 

 

 

 

Run/Stop Mode

When “RUN” is selected, the control is running.

 

 

(r-S)

When “STOP” is selected, the control is stopped.

 

 

 

When the control is stopped, the STOP display

 

 

 

lights. The default is set to “RUN.”

 

 

 

 

 

 

Alarm Value 1

This setting is used to indicate how many degrees

 

 

Mode (AL-1)

the process temperature will be allowed to exceed

 

 

 

the set point temperature. An alarm output will de-

 

 

 

energize the heaters.

 

 

 

 

Adjustment Level

 

 

 

 

 

 

 

Indicator

Name

Description

 

 

 

 

 

 

Auto-Tune Mode

See Page 41 of Chapter 5 for instructions on how

 

 

(At)

to Auto-Tune your dryer.

 

 

 

Note: Although the controller is calibrated at

 

 

 

the factory, the manufacturer

 

 

 

recommends that the unit be Auto-

 

 

 

Tuned prior to dryer startup.

 

 

 

 

 

 

Temperature Input

This setting is used to offset an error between the

 

 

Shift Mode (TnS)

set point and the actual temperature. The entire

 

 

 

input range is shifted by a set figure

 

 

 

preprogrammed by the operator.

 

 

 

 

 

 

Proportional Band

This setting controls the amount in which the

 

 

Mode (P)

manipulated variable (MV) is proportionate to the

 

 

 

deviated value or controller error.

 

 

 

 

 

 

Integral Time

Setting this feature, gives the control an action that

 

 

Mode (I)

is proportionate to the time integral of the control

 

 

 

error. By using this setting, proportional action is

 

 

 

used in combination with integral action to offset

 

 

 

the control error and the set point will begin to

 

 

 

match the control temperature (PV or process

 

 

 

value).

 

 

 

 

 

 

Derivative Time

Setting the derivative control provides the

 

 

Mode (d)

controller with the ability to correct for a future

 

 

 

error in the previously set process output.

 

 

 

 

Large Dehumidifying Dryers

Controls

30

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Contents SDA 1000-5100 Large Dehumidifying Dryers With AP0 Controls Event of Shipping Damage Shipping InfoUnpacking and Inspection If the Shipment is Not CompleteWarranty Returns ReturnsCredit Returns Table of Contents Operation Dryer Identification Serial Number Tag Technical Assistance Safety How to Use This ManualSafety Symbols Used in this Manual Dryer Safety Tags Description Wear Safety Glasses and Work GlovesResponsibility General ResponsibilityOperator Responsibility Maintenance Responsibility Reporting a Safety Defect Functional Description Models Covered in This ManualGeneral Description Process/Regeneration Cycle Regeneration CycleSequence of Operation Controller Description Controller Screen DescriptionsStandard Features Mechanical FeaturesElectrical Features Options Closed-Loop RegenerationProcess Aftercooler Recommended Temperature Settings Process Air Dust CollectorMaterial Overdrying Protection Mechanical Options Electrical OptionsSafety Device Lock-Outs Safety Devices and InterlocksSafety Circuit Standards Fail Safe OperationPage Rigging and Placing Unit Mechanical InstallationUncrating the Equipment Making Electrical ConnectionsChecking for Proper Blower Rotation Checking Blower RotationMaking Dryer/Drying Hopper Process Air Connections Dryer/Drying Hopper Process Air ConnectionsConnecting Aftercooler/Precooler Cooling Water Optional Aftercooler Components & Flow RatesUsing the Drying Hopper Air Trap Drying Hopper Air TrapProcess Air Temperature Controller SwitchesIndicator Lights ControlsIndicator Name Description Lit when Control Output 1 is on. The Out1Lit when Control Output 2 is on. Not used Lights in the Operation Indicator Section whenSetting the Process Air Temperature E5CN Operating ParametersAdjustment Level Indicator Name Description Tuned prior to dryer startupEntering Operating Parameters to Select Modes ON, OFFSetting the High Dew Point Alarm Process Air Dew Point DisplayOptional Redundant Safety Controller Display Setting the Redundant Safety ControllerWatlow Operating Parameters Manf. setting Initial Start-up Auto-Tuning the DryerOperation Pre-Startup ChecksDryer Operation Procedures Page Material Miser OFF Press + to Enable Alarm Display Messages Auto-Tuning the Dryer Shutting Down the DryerMaintenance Maintenance SchedulePhotocopy 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 Corrective Maintenance Symptoms of Worn Out DesiccantReplacing the Desiccant Desiccant Tower Assembly Replacing the Process Heater Electric DryersProcess Heater Box Assembly Replacing the Regeneration Heater Electric DryersRegeneration Heater Box Assembly Troubleshooting Basic TroubleshootingIntroduction Large Dehumidifying Dryers Troubleshooting Alarms Alarm DescriptionsAlarm Alarm Description Alarm Effect Code Determining Temperature Controller Errors or Sensor Errors Using a ThermocoupleUsing a Platinum Resistance Thermometer Appendix Technical SpecificationsAftercooler Design Specifications Annex B InformationDrawings and Diagrams Optional dryer dust collector Spare Parts List Level 3 Mechanical Components Dryer Identification Serial Number Tag Located on back of DryerParts Department Service DepartmentTechnical Assistance Sales Department

822.00292.00 specifications

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