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Sterling STT 800 manual Maintenance, Please observe the maintenance schedule

Models: STT 800

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STT 800

Please observe the maintenance schedule.

Before starting maintenance work, clean the equipment of oil, fuel or lu- bricants.

Ensure that materials and incidentals required for operation as well as spare parts are disposed of properly and in an environmentally sound manner.

Use only original Sterling spare parts.

Keep record of all maintenance and repair procedures.

SM2-625

Maintenance 5-2

Page 46

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Sterling STT 800 manual Maintenance, Please observe the maintenance schedule

Contents

Sterling Material Processing Operating Instructions Dehumidified Air Dryer STTwith Siemens S7 control unit SM2-625Parts and Service Department Sales and Contracting DepartmentEdition 06/02 STT Sterling Material ProcessingOrder confirmation number Page 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 SM2-6253.2.1. 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 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 Target Start-upPre air cooler Act Hopper entry X Target STT 3.5.3. Entering hopper valuesStart-up Hopper entry X ActGranules target % = C F Start-upGranules act. CF e.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 SM2-625STT 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 description6.4. Pre air cooler optional STT 6.3. Return air cooler optionalFunctional description 6.6. Automatic motor flaps optional STT 6.5. 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 SM2-6257.3. 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 coolers optionalDehumidified Air Dryer 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 optionalElectrical manual 11. Electrical manualDehumidified Air Dryer Dehumidified Air Dryer 12.AccessoriesAccessories SM2-625Sterling 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