Sterling SDF 250, SDF 400, SDF 500 manual Changing the battery of the control system

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SDF 250/400/500

5.5. Changing the battery of the control system

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This work may be carried through only by qualified personnel trained in the field of electrical engineering.

The battery may be changed only with the control system switched on.

Open the control box by means of the control box key which is part of the supply. Open the front door of the CPU.

Pull the backup battery with cable out of the compartment.

Plug the connector of the new backup battery into the corresponding socket in the battery compartment of the CPU.

&The notch on the battery connector must point to the left!

Place the backup battery into the battery compartment on the CPU.

Close the front door of the CPU

Close the control box.

Maintenance 5-12

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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 parametersExit air Act Heater Reg. ActDew point max Dew point ActEntering hopper values Hopper temp Act Hopper temp TargetGranule Temp Drying time TargetSetting 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 Error Valve Block Error Bypass FlapTemperature Measurement Outgoing Air Defective Excess Temperature Return AirInsufficient Temperature Heater Hopper Excess Temperature Heater HopperTemperature Measurement Granules Defective Hopper Excess Temperature Granules 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 Basic Version Technical dataOptional Equipment PerformanceSDF 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