Sterling SDF 250, SDF 400, SDF 500 Heater Reg. Act, Exit air Act, Dew point max, Dew point Act

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SDF 250/400/500

Heater Reg. Act.

The regenerated heat temperature will be displayed.

Exit air Act.

The current temperature of the used air will be displayed.

&If the unit is operates with “dew point controlled changeover point with dew point display”

(optional):

Dew point max.

Enter the maximum permissible (worst allowed) dew point temperature (-35 to -28 °C / -31 to -18.4 °F).

Dew point Act.

The current dew point temperature will be displayed.

Return air cooler Target

Enter the max. permissible air temperature. Acknowledge with the ENTER-key.

Return air cooler Act.

The current air temperature will be displayed.

&The cooling effect of the pre air cooler is highly dependent on the cooler circuit.

The lower the value chosen for the pre air temperature, the better.

FPlan the size of the coolant circuit accordingly.

Displaying trend

Temperature

Dew point

Start up 3-5

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Contents Sterling Material Processing SDF 250/400/500 SDF 250/400/500 Table of contents 10-1 General Information SDF 250/400/500 SDF 250/400/500 Legal basis Explanations and informationFields of applications Safety instructions General Operation AssemblyMaintenance For the safety of the devices Start up Touch Screen Control UnitSwitching on the Dryer Entering Dryer Values Basic parametersDew point Act Heater Reg. ActExit air Act Dew point maxEntering hopper values Drying time Target Hopper temp TargetHopper temp Act Granule TempSetting the timer Timer is only operating, when the dryer is switched on Observing processing status Actual hopper temperature displayed in C Status dryerActual operation status Setting date and time Changing language SDF 250/400/500 Continuous operation SDF 250/400/500 Start up Switching the dryer/hopper heater off Error and error correction LED Alarm Actual messages Excess Temperature Return Air Error Bypass FlapError Valve Block Temperature Measurement Outgoing Air DefectiveExcess Temperature Granules Hopper Excess Temperature Heater HopperInsufficient Temperature Heater Hopper Temperature Measurement Granules Defective HopperOverload Regeneration Heater STB has been activated Main switch hopper heater # Controller is offOverload Drying Heater STB has been activated Alarm protocol Maintenance SDF 250/400/500 Maintenance schedule Cleaning or Replacing the Air Filter SDF Dryer Cleaning or Replacing the Return Air FilterCleaning or Replacing the Regeneration air filter Filter of the electrical cabinet Disposing of Drying Agents Cleaning the Drying Hopper STT Remove any granules remaining in the cleaning openingSTT 60 Notch on the battery connector must point to the left Changing the battery of the control systemSDF 250/400/500 Resetting the control values Functional description General Information Dew point dependent regeneration switch optionalHopper heaters optional Drying Hopper OptionalReturn Air Cooler Optional Connection to a Pneumatic Conveying System OptionalTransport, Assembly and Storage Transport with a fork lift truck Tansport and PackingTransport with a workshop crane Storage AssemblyAssembly instructions Connection of Return Air Cooler Optional Electrical Connection Compressed Air Supply Performance Technical dataBasic Version Optional EquipmentSDF 250/400/500 Accessories Accessories Spare parts list Drying Hoppers STT 25 STT STT 25 STT STT 25 STT STT 25 STT STT 25 STT STT 25 STT