Sterling 350-2100 CFM installation manual Setpoints, Hysteresis, Input Shift

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LEVEL 1

In this level, the four setpoints can be changed, plus Hysteresis, Input Shift and Security Protection can be set.

Use to move from one parameter to the next.

When the desired parameter appears

on the LED display, press to select that parameter for program- ming. The parameter’s current value appears on the LED display.

When the desired parameter is

displayed, use and to view and/or change the parameter. Then

press to save the new setting to memory, and to move on to the next parameter.

Setpoints -

Setpoints

Hysteresis

Input Shift

Security Protection

When appears on the LED display, the HH, H, L, and LL setpoints can be changed even while security lockout is enabled.

To set the values, press after appears. The present value for the HH setpoint will appear

on the LED display. Use and to view and/or change the setpoint. Then press to save the new setting to memory, and to move on to the next setpoint. After all setpoints are set, the LED display

returns to .

Hysteresis -

The hysteresis value for the setpoints can range from 0° to 99° C or F.

Press after appears on the LED display. Use and to set the value. Then press to save the new setting to memory.

Input Shift -

The input shift value can range from -99° to +99° C or F. The factory set value is “000”

The input shift value offsets the displayed temperature by the value you set here. This may be useful to force the regeneration monitor to display the same temperature as a known [or supposed] temperature reading.

350-2100 cfm Dryers

Chapter 6: Maintenance

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Contents Large Dehumidifying Dryers SDA Series 350 2100 CFMWrite Down Your Serial Numbers Here For Future Reference Shipping Info Table of Contents Maintenance How to Use This Manual SafetySafety Symbols Used in this Manual Dryer Safety Tags Safety Tag InformationWear Safety Glasses and Work Gloves General Responsibility ResponsibilityOperator Responsibility Remember Maintenance ResponsibilityReporting a Safety Defect Optional Features Typical Features and ComponentsFunctional Description Models Covered in This ManualClosed Loop Drying System What is Desiccant?Process/Regeneration Cycle Cfm Dryers Functional Description TOP View Left Side View Work Rules InstallationElectrical Connections Check For Proper Blower RotationDrying Hopper Air Trap Aftercooler Cooling Water ConnectionTypical Control Panel Control Panel Control Panel Indicator LightsProcess Blower Failure Alarm Valve Position Error Switches and MetersPLC Control Process Air Temperature ControllerProcess Air Temperature Controller Process Value Numeric LED Temperature Controller LED IndicatorsOptional Communications Protocols Temperature Controller Keys See in SectionPre-Startup Checks Startup, Shutdown & OperationStartup Setting the High and Low Temperature Alarms Setting the Process Air TemperatureTo Change the Process Air High Temperature Alarm Setting ShutdownTemperature Controller Internal Switches Temperature Controller Autotune ProcedureTemperature Controller Anti-Tamper Lockout Switch Enabling the Lockout FeatureChanging the Display from Fahrenheit to Centigrade Setting the Dewpoint Extend Shift PointTo Change the Dewpoint Shift Point LL Setpoint Low Regeneration Alarm Setpoint 130F Regeneration Monitoring System Signal ProcessorSetpoint Regeneration Blower Shutdown Temp 160F HH Setpoint Heater Cut Off Temp 300FSeven Day Timer Optional Auxiliary Process Safety System OptionalSetting the start up time Setting the Current Day of the Week, Hour and MinutePut the timer into Run mode Setting the stop timeSet the days of the week for automatic operation Filter Cleaning/Replacement MaintenanceServicing the Process Air Filters Models Servicing the Process Air Filters Models 850 through Filter Cleaning/ReplacementTo Clean the Regeneration Filter Dirty Filter Alarm CalibrationServicing the Regeneration Filter Symptoms of Worn Out Desiccant Dewpoint Control System ServiceTo check the dewpoint sensor and dewpoint control board First AID Desiccant Replacement ProcedureDesiccant Amounts Required Process Heater Replacement ProcedureSpots and lead to premature heater failure Regeneration Heater Replacement ProcedureRestoring a Temperature Controller to the Factory Setup Switch To select a setting 10F Process Temperature Control Error Messages Regeneration Monitor Signal Processor Error Messages Moving Between Levels Regeneration Monitor Advanced ProgrammingHysteresis SetpointsInput Shift Security Protection Scale Indication Sensor Input TypeDisplay Refresh Cycle Problem Possible Cause Corrective Action TroubleshootingProblem Possible Cause Corrective Action Problem Possible Cause Corrective Action Appendix Warranty ReturnsReturned Material Policy Credit ReturnsCfm Dryers Appendix Preventive Maintenance Checklist Dehumidifying Dryers Technical Assistance Service DepartmentParts Department Sales Department