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Sterling STT 1600 operating instructions STT 5.3. Tensioning the V-belts, Maintenance

Models: STT 1600

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SM2-630

STT 1600

5.3. Tensioning the V-belts

Press the ”F2”-key.

Select ”Dryer off”.

Acknowledge with the ENTER-key.

L	Wait until the blowers have stopped turning.

Switch off the dryer at the main switch.

Disconnect the power supply.

FOpen the upper panel by means of the provided switch cabinet key.

&	Order number V-belts	ID 94211
	”regeneration” blower:	ID 94211
	”drying” blower:	ID 83963

”regeneration” blower

”drying” blower

STT 1600

Maintenance 5-7

Page 51

Image 51

Sterling STT 1600 operating instructions STT 5.3. Tensioning the V-belts, Maintenance

Contents

SM2-630 Operating Instructions Dehumidified Air Dryer STTwith Siemens S7 control unit Sterling Material ProcessingSM2-630 STT Sterling Material ProcessingEdition 11/02 Order confirmation numberPage TABLE OF CONTENTS Page Page 1. General Information Dehumidified Air DryerGeneral Information General Information Dehumidified Air Dryer 1.1. Warnings and symbols1.5. Notes on Usage 1.2. Explanations and information1.3. Legal basis 1.4. Fields of applications2. Safety instructions Safety instructionsDehumidified Air Dryer General Dehumidified Air Dryer 2.1. For your safetySafety instructions AssemblySafety instructions Dehumidified Air DryerOperation Safety instructions MaintenanceDehumidified Air Dryer 2.2. For the safety of the devices Safety instructionsDehumidified Air Dryer Safety instructions Observe that the drying cells must be filled with drying agent before setting-upthe dryer only STT 1600, STT 2400. This will prevent damage of materialDehumidified Air Dryer Start-up 3. Start-upSTT 3.1. Control system 3.1.1. Key assignmentStart-up SM2-630 STT 3.1.2. Flow chartIndicator lamp messages Start-upSTT 3.2. Switching on the dryer 3.2.1. Operation statusesStart-up 3.4. Passwords STT 3.3. Viewing the software-versionStart-up Edit LoginStart-up LogoutStart-up STT 3.5. Basic parameters3.5.1. Turning the devices on/off Timer on/offHopper X on/off X = number of the drying hopper Start-upUsed air Act STT 3.5.2. Entering dryer valuesStart-up Regeneration Heater ActStart-up Return air cooler TargetReturn air cooler Act Hopper entry X Act STT 3.5.3. Entering hopper valuesStart-up Hopper entry X TargetStart-up Granules target % = C FGranules act. C F STT 3.5.4. Observing processing status e.g. valve block moved in/moved out/errorStart-up Time STT 3.5.5. Setting date and timeStart-up DateLanguage STT 3.5.6. Viewing/changing language and contrastStart-up ContrastRun on time drying blower --300 sec STT 3.5.7. Changing parametersStart-up Select ”Parameters”STT 3.5.8. Setting the timer Start-upXX ON 00 00 OFF 00 00 XX = day Mo-Su STT 3.6. Starting continuous operation Start-upSelect ”Main menu” System runtime STT 3.7. Viewing system runtimeStart-up Select ”System runtime”Start-up STT 3.8. Switching the dryer offSwitch off the dryer at the main switch Disconnect the power supply4. Error and error correction Error and error correctionDehumidified Air Dryer Error and error correction Failures must be repaired immediately LED “ALARM”Dehumidified Air Dryer Error and error correction Dehumidified Air DryerView Total messages Error and error correctionDehumidified Air Dryer NumberOverflow warning On/Off Error and error correctionDehumidified Air Dryer OverflowA Safety Temperature Limiter has been Activated Error and error correctionPLC = SPS Battery is Empty Main Switch is OffError Bypass Flap Error and error correctionExcess Temperature Regeneration Heater Insufficient Temperature Regeneration HeaterInsufficient Temperature Drying Heater Error and error correctionTemperature Measurement Drying Heater Defective Excess Temperature Drying HeaterValve Error Hopper Error and error correctionTemperature Measurement Granules Defective Hopper Excess Temperature Granules HopperMaintenance 5. MaintenancePlease observe the maintenance schedule MaintenanceMaintenance STT 5.1. Maintenance intervalsMaintenance STT 5.2. Cleaning/renewing the air filtersReturn air filter/Regeneration air filter MaintenanceRemove the lid of the filter MaintenanceRe-installthe cleaned/new filter mat Filter of the electrical cabinetMaintenance STT 5.3. Tensioning the V-belts”Regeneration” Blower Maintenance”Drying” Blower Maintenance5.5. Servicing the accessories 5.4. Disposing of the drying agentMaintenance Maintenance 5.6. Changing the battery of the control systemSM2-630 MaintenanceStore backup batteries in a dry and cool place Order number batteryMaintenance STT 5.6.1. Resetting the control valuesFunctional description 6. Functional descriptionSTT 6.1. Dryer Dew point dependent regeneration switch optionalFunctional description Functional description STT 6.2. Drying hopper optionalFunctional description STT 6.3. Return air cooler optionalSTT 6.4. Hopper heaters optional 6.5. Automatic motor flaps optionalFunctional description 7. Transport, Assembly and Storage Transport, Assembly and StorageDehumidified Air Dryer Dehumidified Air Dryer 7.1. Transport and Packing Transport, Assembly and Storagewith a fork lift truck Transport with a workshop crane SM2-630 Transport, Assembly and StorageDehumidified Air Dryer with a workshop craneDehumidified Air Dryer 7.2. Assembly 7.3. StorageTransport, Assembly and Storage Assembly instructions 8. Assembly instructionsAssembly instructions Assembly instructions STT 8.2. Filling up the drying cellsAssembly instructions STT 8.3. Connection of the air coolers optionalAssembly instructions STT 8.4. Electrical connectionOptional Equipment 9. Technical DataTechnical Data Basic EquipmentTechnical Data Dimension sheetSM2-630 Spare parts list 10. Spare parts list05190 Spare parts list99716 Ball bearing86379 Motor 88952 Sealing Spare parts list100 39 31536 Sealing 7216517 Motor flap optionalS89532 Spare parts listHopper heaters 10.1. Switching Cabinet and Operating UnitSpare parts list Control11. Electrical manual Electrical manualDehumidified Air Dryer Version 64.10-0134GB0110/97 12. AccessoriesAccessories Dehumidified Air DryerAccessories Entering values on the OP Sterling Material Processing02/01GB Step 3.3Entering ValuesProcedure General Operation3.3.1Entering Numerical Values General OperationException Step 3.3.2Entering Alphanumeric ValuesProcedure General OperationProcedure General OperationStep Step 3.3.3Entering Symbolic ValuesProcedure General OperationAccessories Flap control with Fuzzy-Logic Sterling Material Processing10/00GB Flap control with Fuzzy-Logic Control unit “flap”10/00GB