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Sterling manual Accessories, STT40 / STT70

Models: STT40 STT70

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13. Accessories

STT40 / STT70

13. Accessories

Basic setting on temperature controller

Digital timer

Spare parts list Drying Hoppers ST 25 - ST 6400

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Accessories 13-1

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Sterling manual Accessories, STT40 / STT70

Contents

Dehumidified air dryer STT40 STT70 Operation InstructionsSterling Material Processing Technical service Service department Sterling Material Processing5200 West Clinton Ave Milwaukee, WI TelephoneSTT40 / STT70 Table of contents STT40 / STT70 1. General Information 1.1. Warnings and symbolsCaution High noise pollution 1.2. Explanations and information 1.3. Legal basis1.4. Field of application 1.5. Notes on UsageSafety instructions 2. Safety instructionsSTT40 / STT70 2.1 General 2.1.1. Assembly 2.1.2. Operation2.1.3. Maintenance 2.2. For the safety of the device STT40 / STT70 3. Start upStart up 3.1.1. Switching on the Dryer 3.1. Initial OperationThe “power” signal lamp turns off Wait until the blower has stopped3.2.1. Switching the Dryer on For operation with the optional timer clockFor operation without timer clock 3.2. Continuous Operation3.2.2. Setting the Drying Temperature Autotuning the temperature controller If “tunE” stops flashing, Autotuning is finishedPress the “EXIT” key for at least 2 seconds Press the “EXIT” keyThe “power” signal lamp turns off 3.3. Switching the Dryer offWait until the blower has stopped Error and error correction 4. Error and error correctionSTT40 / STT70 The following errors can cause an alarm Blower Regeneration heaterRegeneration heater Hopper heater5. Maintenance Please observe the maintenance schedule 5.1. Maintenance schedule Photocopythis page for your maintenance recordsSystem model # Serial #5.2. Preventative Maintenance 5.2.1. Servicing Process Air FiltersFigure 1 Air Filter Location & Disassembly DO NOT clean/wash filter with waterwhen operating without return air cooler ID when operating with return air cooler ID5.2.3. Servicing the Dew Point Monitor The sensor will be destroyed5.3.1. Symptoms of Worn Desiccant 5.3. Corrective MaintenanceFIRST AID Figure 2 Desiccant Bed Location and Disassembly 5.3.2. Replacing Worn DesiccantDESICCANT BEDS ARE HOT DURING OPERATION Remove Hose Clamps Remove Clamp5.4. Disposing of Drying Agents Figure 3 Required Desiccant AmountsFigure 4 Process Heater Location and Disassembly 5.5. Replacing the Process HeaterFigure 5 Cooling Coil Location and Disassembly 5.5.1.Replacing/Cleaning the Cooling CoilsHazardous electrical current present Figure 6 Heating Coil Location and Disassembly 5.5.2. Replacing the regeneration heating coilHazardous electrical current present Heating Coil5.6. Cleaning the Drying Hopper Figure 8 STT 60 - STT Figure 7 STTSTT STT40 / STT70 6. Functional descriptionFunctional description 6.1. General Information The dryer is rated for continuous operationFigure 9 Functional diagram of STT40 / STT70 ➅➄ ➃Read the timer clock operating manual Figure 10 Operating unit6.2. Drying Hopper Optional Figure 11 Drying Hopper6.2.1. Hopper Heater Figure 12 Temperature controllerDEFAULT SETTINGS FOR JUMO TEMP. CONTROLLER PARAMETERS THAT ARE CHANGED IN TESTING AREAPARAMETERS THAT ARE NOT CHANGED FACTORY DEFAULTS Contact information6.4. Return Air Cooler Optional Figure 13 Suction BoxTransporting, Assembly and Storage 7. Transporting, Assembly and StorageSTT40 / STT70 7.1. Transporting and Packing 7.2. Assembly 7.3. Storage8. Assembly instructions 8.1.Installation of the exhaust fan for regeneration of exhaust 8.3. Electrical Connection STT40 max. 1.1 kW, STT70 max. 2.0 kWThe fuse protection must have STT40 16 A STT70 16 A8.4. Connection of Return Air Cooler Optional 9. Troubleshooting Problem9.1. Introduction Possible causeProblem Process heaters are faultyPossible cause Corrective actionPossible cause ProblemCorrective action Using a Thermocouple Using a Platinum Resistance ThermometerProblem Possible cause10. Technical data 10.1. STT4010.2. STT70 Return Air Cooler optional10.3. Dimension Sheet Spare parts list 11. Spare parts listSTT40 / STT70 STT40 ID-numberDescription Return air cooler optionalSTT70 ID-numberDescription Return air cooler optionalID-number Operating unitDescription Control unit STT40 Hopper heaterControl unit STT70 Hopper heaterSTT40 / STT70 12. Electrical manualElectrical manual Accessories 13. AccessoriesSTT40 / STT70 Basic temperature controller settings STT40 CodeParameter Parameter setBasic temperature controller settings STT70 CodeParameter Parameter set14. Quick Start Guides 14.1. for STT 40 DryerOn without timer OFF On with timer5.Turn the hopper heater switch to position “I” Position “O” Position “I”Set Point PGM Arrow down Process Display LED “Status” LED Ramp/ProgramEXIT Arrow up Note Due to the following circumstancesPage 14.2.Proper Shut-downGuide for STT 40 Dryer Position “O” Position “I” OFFOn without timer OFF On with timerMain power High Temp Safety 14.3. Quick Start Guide for STT 70 DryerEXIT Position “O” Position “I”Set Point PGM Arrow down Process Display LED “Status” LED Ramp/ProgramNote Due to the following circumstances initial dryer start-up14.4. Proper Shut-downGuide for STT 40 Dryer Position “O” Position “I” OFFService Department Parts DepartmentSales Department Contract Department