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Sterling STT 800 manual Maintenance, Regeneration air filter

Models: STT 800

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STT 800

Regeneration air filter

Loosen the securing nut on lid of the regeneration air filter.

Remove the lid and regeneration air filter housing.

Loosen the two wing nuts.

Remove the circular grid.

Remove the filter mat.

Blow through the filter mat with compressed air from the inside to the outside, or renew the filter. Re-install the cleaned/new filter.

Replace the circular grid.

Fasten the two wing nuts on.

Replace the regeneration air filter housing and the lid of the regeneration air filter. Fasten the securing nut onto the regeneration air filter.

Close the panel.

Never operate the dryer without regeneration air filter.

The dryer can’t be put into operation if the panel is not replaced.

Order number filter mat:	ID 93686

SM2-625

Maintenance 5-6

Page 50

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Sterling STT 800 manual Maintenance, Regeneration air filter

Contents

Sterling Material Processing Operating Instructions Dehumidified Air Dryer STTwith Siemens S7 control unit SM2-625Parts and Service Department Sales and Contracting DepartmentOrder confirmation number STT Sterling Material ProcessingEdition 06/02 Page TABLE OF CONTENTS Page Page General Information 1. General InformationDehumidified Air Dryer Dehumidified Air Dryer 1.1. Warnings and symbols General Information1.4. Fields of applications 1.2. Explanations and information1.3. Legal basis 1.5. Notes on UsageDehumidified Air Dryer 2. Safety instructionsSafety instructions General Dehumidified Air Dryer 2.1. For your safetySafety instructions Dehumidified Air Dryer Safety instructionsAssembly OperationDehumidified Air Dryer Safety instructionsMaintenance Dehumidified Air Dryer 2.2. For the safety of the devicesSafety instructions 3. Start-up Start-upStart-up STT 3.1. Control system3.1.1. Key assignment Start-up STT 3.1.2. Flow chartIndicator lamp messages SM2-625Start-up STT 3.2. Switching on the dryer3.2.1. Operation statuses Start-up 3.4. PasswordsSTT 3.3. Viewing the software-version Logout LoginStart-up EditTimer on/off STT 3.5. Basic parameters3.5.1. Turning the devices on/off Start-upStart-up Hopper X on/off X = number of the drying hopperRegeneration Heater Act STT 3.5.2. Entering dryer valuesStart-up Used air ActPre air cooler Act Start-upPre air cooler Target Hopper entry X Target STT 3.5.3. Entering hopper valuesStart-up Hopper entry X ActGranules act. CF Start-upGranules target % = C F Start-up STT 3.5.4. Observing processing statuse.g. valve block moved in/moved out/error Date STT 3.5.5. Setting date and timeStart-up TimeContrast STT 3.5.6. Viewing/changing language and contrastStart-up LanguageSelect ”Parameters” STT 3.5.7. Changing parametersStart-up Run on time drying blower --300 secXX ON 00 00 OFF 00 00 XX = day Mo-Su STT 3.5.8. Setting the timerStart-up Select ”Main menu” STT 3.6. Starting continuous operationStart-up Select ”System runtime” STT 3.7. Viewing system runtimeStart-up System runtimeDisconnect the power supply STT 3.8. Switching the dryer offSwitch off the dryer at the main switch Start-upDehumidified Air Dryer 4. Error and error correctionError and error correction Dehumidified Air Dryer Error and error correctionFailures must be repaired immediately LED “ALARM” View Error and error correctionDehumidified Air Dryer Number Error and error correctionDehumidified Air Dryer Total messagesOverflow Error and error correctionDehumidified Air Dryer Overflow warning On/OffMain Switch is Off Error and error correctionPLC = SPS Battery is Empty A Safety Temperature Limiter has been ActivatedInsufficient Temperature Regeneration Heater Error and error correctionExcess Temperature Regeneration Heater Error Bypass FlapExcess Temperature Drying Heater Error and error correctionTemperature Measurement Drying Heater Defective Insufficient Temperature Drying HeaterExcess Temperature Granules Hopper Error and error correctionTemperature Measurement Granules Defective Hopper Valve Error Hopper5. Maintenance MaintenanceMaintenance Please observe the maintenance scheduleSTT 5.1. Maintenance intervals MaintenanceSTT 5.2. Cleaning/renewing the air filters MaintenanceMaintenance Return air filterMaintenance Regeneration air filterFilter of the electrical cabinet MaintenanceRe-installthe cleaned/new filter mat Remove the lid of the filterSTT 5.3. Tensioning the V-belts MaintenanceMaintenance Remove the protective grid of the blower positionMaintenance 5.5. Servicing the accessories5.4. Disposing of the drying agent 5.6. Changing the battery of the control system MaintenanceOrder number battery MaintenanceStore backup batteries in a dry and cool place SM2-625STT 5.6.1. Resetting the control values Maintenance6. Functional description Functional descriptionFunctional description STT 6.1. DryerDew point dependent regeneration switch optional STT 6.2. Drying hopper optional Functional descriptionFunctional description STT 6.3. Return air cooler optional6.4. Pre air cooler optional Functional description STT 6.5. Hopper heaters optional6.6. Automatic motor flaps optional Dehumidified Air Dryer 7. Transport, Assembly and StorageTransport, Assembly and Storage with a fork lift truck Dehumidified Air Dryer 7.1. Transport and PackingTransport, Assembly and Storage with a workshop crane Transport, Assembly and StorageDehumidified Air Dryer Transport with a workshop crane SM2-625Transport, Assembly and Storage Dehumidified Air Dryer 7.2. Assembly7.3. Storage Dehumidified Air Dryer 8. Assembly instructionsAssembly instructions Dehumidified Air Dryer 8.2. Connection of the air coolers optionalAssembly instructions Dehumidified Air Dryer 8.3. Electrical connection Assembly instructionsBasic Equipment 9. Technical DataTechnical Data Optional Equipment139O mm Technical DataDimension sheet 350mm10. Spare parts list Spare parts listSpare parts list Spare parts list Pos. ID-numberDescriptionAccessories 10.1. Switching Cabinet and Operating UnitSpare parts list Return air cooler optionalDehumidified Air Dryer 11. Electrical manualElectrical manual Dehumidified Air Dryer 12.AccessoriesAccessories SM2-62502/01GB Accessories Entering values on the OPSterling Material Processing General Operation 3.3Entering ValuesProcedure StepException 3.3.1Entering Numerical ValuesGeneral Operation General Operation 3.3.2Entering Alphanumeric ValuesProcedure StepStep ProcedureGeneral Operation General Operation 3.3.3Entering Symbolic ValuesProcedure Step10/00GB Accessories Flap control with Fuzzy-LogicSterling Material Processing 10/00GB Flap control with Fuzzy-LogicControl unit “flap”