Sterling SDA 1000-5100 specifications Alarm Display Messages

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18.Turn selector switch to START position to start the dryer. The bed switch valve will cycle to a known good position. The process & regen blowers will start. Process & Regen heaters are enabled. A new regen heat/cool cycle is started. Blower alarms are enabled 5 seconds after startup. Dew Point alarm is enabled 5 minutes after startup. All other alarms are enabled with no delay.

19.Material Miser. When this feature is enabled, the panel light will illuminate and the screen will display ‘ACTIVE’ when airflow is reduced to the drying hopper. When airflow to the hopper is normal, the light is extinguished and the screen reads “INACTIVE”.

20.Closed Loop Regeneration. When this feature is enabled, the screen will display ‘ACTIVE’ when regen airflow is in closed loop (cooling). When regen airflow is normal, the screen reads “INACTIVE”.

21.The dryer is shut off by turning the control power switch to the OFF position.

5-3 Alarm Display Messages

Note: The relay screen which contains the Alarm Display Messages is located inside the controller enclosure and may be seen through the window on the front of the control box.

1.Non-critical alarms. The following alarms are con-critical and will NOT shut down the dryer:

a.Dew Point.

b.Process / Regen Dirty Filter.

c.Process heat low temp alarm.

d.Closed Loop Valve Motor fault.

2.Critical alarms. The following alarms are critical and WILL shut down the dryer. Alarms are silenced by turning the Off/On/Start switch to the start position. The dryer will restart if the alarm condition is no longer present.

a.Process blower fault.

b.Regen blower fault.

c.Process heater high temp switch.

d.Regen heater high temp switches.

e.Regen valve motor fault.

f.Process high temp alarm (TCU).

g.Regen high temp alarm (TCU).

h.Redundant safety alarm.

3.Viewing alarm codes. See Screen 6. The alarm screen is displayed any time an alarm is active, and can also be accessed by pressing the right arrow key. Each alarm is assigned a 2 letter code as follows:

ALARM CODES:

PB - PROCESS BLOWER

RB - REGEN BLOWER

Large Dehumidifying Dryers

Operation

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Contents SDA Large Dehumidifying Dryers With AP0 Controls If the Shipment is Not Complete Shipping InfoUnpacking and Inspection Event of Shipping DamageWarranty 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 Wear Safety Glasses and Work Gloves Dryer Safety Tags DescriptionResponsibility General ResponsibilityOperator Responsibility Maintenance Responsibility Reporting a Safety Defect Functional Description Models Covered in This ManualGeneral Description Regeneration Cycle Process/Regeneration CycleSequence of Operation Controller Screen Descriptions Controller DescriptionStandard Features Mechanical FeaturesElectrical Features Options Closed-Loop RegenerationProcess Aftercooler Recommended Temperature Settings Process Air Dust CollectorMaterial Overdrying Protection Electrical Options Mechanical OptionsFail Safe Operation Safety Devices and InterlocksSafety Circuit Standards Safety Device Lock-OutsPage Making Electrical Connections Mechanical InstallationUncrating the Equipment Rigging and Placing UnitChecking Blower Rotation Checking for Proper Blower RotationDryer/Drying Hopper Process Air Connections Making Dryer/Drying Hopper Process Air ConnectionsAftercooler Components & Flow Rates Connecting Aftercooler/Precooler Cooling Water OptionalDrying Hopper Air Trap Using the Drying Hopper Air TrapControls SwitchesIndicator Lights Process Air Temperature ControllerLights in the Operation Indicator Section when Lit when Control Output 1 is on. The Out1Lit when Control Output 2 is on. Not used Indicator Name DescriptionE5CN Operating Parameters Setting the Process Air TemperatureTuned prior to dryer startup Adjustment Level Indicator Name DescriptionON, OFF Entering Operating Parameters to Select ModesSetting the High Dew Point Alarm Process Air Dew Point DisplayOptional Redundant Safety Controller Display Setting the Redundant Safety ControllerWatlow Operating Parameters Manf. setting Pre-Startup Checks Auto-Tuning the DryerOperation Initial Start-upDryer Operation Procedures Page Material Miser OFF Press + to Enable Alarm Display Messages Shutting Down the Dryer Auto-Tuning the DryerMaintenance Maintenance SchedulePhotocopy this page for your maintenance records Cleaning or Replacing the Process Air Filters Preventative MaintenanceCalibrating the Dirty Filter Alarm Cleaning or Replacing the Regeneration FilterChecking the Dewpoint Control System Corrective Maintenance Symptoms of Worn Out DesiccantReplacing the Desiccant Replacing the Process Heater Electric Dryers Desiccant Tower AssemblyReplacing the Regeneration Heater Electric Dryers Process Heater Box AssemblyRegeneration 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 WarrantyTechnical Specifications Aftercooler Design SpecificationsAnnex B Information Drawings and Diagrams Optional dryer dust collector Spare Parts List Level 3 Mechanical Components Located on back of Dryer Dryer Identification Serial Number TagParts and Service Department Sales Department Service DepartmentTechnical Assistance Parts Department