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Sterling STT 500 manual Functional description

Models: STT 500

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STT 500

6. Functional description

This functional description is intended for all operating personnel of the equipment.

Prerequisite for this functional description is general knowledge of dryers and SPS (PLC) systems.

Ensure in each case that the operating personnel are sufficiently informed.

SM2-620

Functional description 6-1

Page 58

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Sterling STT 500 manual Functional description

Contents

Sterling Material Processing Operating Instructions Dehumidified Air Dryer STTwith Siemens S7 control unit SM2-620Parts and Service Department Sales and Contracting DepartmentOrder confirmation number STT Sterling Material ProcessingEdition 04/02 SM2-620Page TABLE OF CONTENTS Page Page Dehumidified Air Dryer 1. General InformationGeneral Information 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 UsageSafety instructions 2. Safety instructionsDehumidified Air Dryer Safety instructions Dehumidified Air Dryer 2.1. For your safetyGeneral Dehumidified Air Dryer Safety instructionsAssembly OperationMaintenance Safety instructionsDehumidified Air Dryer Safety instructions 2.2. For the safety of the devicesDehumidified Air Dryer 3. Start-up Start-up3.1.1. Key assignment STT 3.1. Control systemStart-up Start-up STT 3.1.2. Flow chartIndicator lamp messages SM2-6203.2.1. Operation statuses STT 3.2. Switching on the dryerStart-up STT 3.3. Viewing the software-version 3.4. PasswordsStart-up Logout LoginStart-up EditTimer on/off STT 3.5. Basic parameters3.5.1. Turning the devices on/off Start-upStart-up Press the ”F1-keyRegeneration Heater Act STT 3.5.2. Entering dryer valuesStart-up Used air ActReturn air cooler Target Start-upReturn air cooler Act Hopper entry X Target STT 3.5.3. Entering hopper valuesStart-up Hopper entry X Acttarget % = C F Start-upGranules Granules act.: _ Ce.g. valve block moved in/moved out/error STT 3.5.4. Observing processing statusStart-up 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 secStart-up STT 3.5.8. Setting the timerXX ON 00 00 OFF 00 00 XX = day Mo-Su Start-up STT 3.6. Starting continuous operationSelect ”Main menu” 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-upError and error correction 4. Error and error correctionDehumidified Air Dryer Failures must be repaired immediately LED “ALARM” Error and error correctionDehumidified Air Dryer Dehumidified Air Dryer Error and error correctionView 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 position5.4. Disposing of the drying agent 5.5. Servicing the accessoriesMaintenance 5.6. Changing the battery of the control system MaintenanceOrder number battery MaintenanceStore backup batteries in a dry and cool place SM2-620STT 5.6.1. Resetting the control values Maintenance6. Functional description Functional descriptionDew point dependent regeneration switch optional STT 6.1. DryerFunctional description STT 6.2. Drying hopper optional Functional descriptionSTT 6.3. Return air cooler Functional description6.5. Automatic motor flaps optional STT 6.4. Hopper heaters optionalFunctional description Transport, Assembly and Storage 7. Transport, Assembly and StorageDehumidified Air Dryer Transport, Assembly and Storage Dehumidified Air Dryer 7.1. Transport and Packingwith a fork lift truck with a workshop crane Transport, Assembly and StorageDehumidified Air Dryer Transport with a workshop crane SM2-6207.3. Storage Dehumidified Air Dryer 7.2. AssemblyTransport, Assembly and Storage Assembly instructions 8. Assembly instructionsDehumidified Air Dryer Assembly instructions 8.2. Connection of the air coolersDehumidified Air Dryer Dehumidified Air Dryer 8.3. Electrical connection Assembly instructionsBasic Equipment 9. Technical DataTechnical Data Optional EquipmentTechnical Data SM2-620Dimension sheet Technical DataSM2-620 10. Spare parts list Spare parts list4 5 6 Spare parts listPos. ID-numberDescription Pos. ID-numberDescription Spare parts list97762 83986 Spare parts listPos. ID-numberDescription Moisture sensorAccessories 10.1. Switching Cabinet and Operating UnitSpare parts list Return air coler optionalElectrical manual 11. Electrical manualDehumidified Air Dryer Dehumidified Air Dryer 12. AccessoriesAccessories Version 64.10-0134GB0110/97Sterling Material Processing Accessories Entering values on the OP02/01GB General Operation 3.3Entering ValuesProcedure StepGeneral Operation 3.3.1Entering Numerical ValuesException General Operation 3.3.2Entering Alphanumeric ValuesProcedure StepGeneral Operation ProcedureStep General Operation 3.3.3Entering Symbolic ValuesProcedure StepSterling Material Processing Accessories Flap control with Fuzzy-Logic10/00GB Control unit “flap” Flap control with Fuzzy-Logic10/00GB