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Sterling STT40 manual Basic temperature controller settings STT70, Code, Parameter set

Models: STT40 STT70

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STT40 / STT70

Basic temperature controller settings STT70

This information is intended to be used by Sterling service personnel and trained personnel authorized by Sterling only.

Other persons are not permitted to modify or repair the equipment.

Settings, if temperature is displayed in F°

Code
C111	0		0	0	0
C112	2		0	3	0
C113	0		5	3	4
C114	1		0	0	1
SPL	0		1	0	4
SPH	0		2	8	4
* with return air	cooler		in use: 0 3 5 6

Parameter		Parameter set 1
AL1		68.0
HYS1		1
rASd		19.0

Settings, if temperature is displayed in C°

Code
C111	0		0	0	0
C112	2		0	0	0
C113	0		5	3	4
C114	1		0	0	1
SPL	0		0	4	0
SPH	0		1	4	0
* with return air	cooler in use: 0 1 8 0

Parameter		Parameter set 1
AL1		20.0
HYS1		1
rASd		5.0

Accessories 13-3

Page 66

Image 66

Sterling STT40 manual Basic temperature controller settings STT70, Code, Parameter set

Contents

Operation Instructions Dehumidified air dryer STT40 STT70Sterling Material Processing 5200 West Clinton Ave Milwaukee, WI Technical service Service departmentSterling Material Processing TelephoneSTT40 / STT70 Table of contents STT40 / STT70 1. General Information 1.1. Warnings and symbolsCaution High noise pollution 1.4. Field of application 1.2. Explanations and information1.3. Legal basis 1.5. Notes on Usage2. Safety instructions 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 3. Start up STT40 / STT70Start up 3.1.1. Switching on the Dryer 3.1. Initial OperationThe “power” signal lamp turns off Wait until the blower has stoppedFor operation without timer clock 3.2.1. Switching the Dryer onFor operation with the optional timer clock 3.2. Continuous Operation3.2.2. Setting the Drying Temperature Press the “EXIT” key for at least 2 seconds Autotuning the temperature controllerIf “tunE” stops flashing, Autotuning is finished Press the “EXIT” key3.3. Switching the Dryer off The “power” signal lamp turns offWait until the blower has stopped 4. Error and error correction Error and error correctionSTT40 / STT70 Regeneration heater The following errors can cause an alarm BlowerRegeneration heater Hopper heater5. Maintenance Please observe the maintenance schedule System model # 5.1. Maintenance schedulePhotocopythis page for your maintenance records Serial #5.2. Preventative Maintenance 5.2.1. Servicing Process Air Filterswhen operating without return air cooler ID Figure 1 Air Filter Location & DisassemblyDO NOT clean/wash filter with water when operating with return air cooler ID5.2.3. Servicing the Dew Point Monitor The sensor will be destroyed5.3. Corrective Maintenance 5.3.1. Symptoms of Worn DesiccantFIRST AID DESICCANT BEDS ARE HOT DURING OPERATION Figure 2 Desiccant Bed Location and Disassembly5.3.2. Replacing Worn Desiccant 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 Heater5.5.1.Replacing/Cleaning the Cooling Coils Figure 5 Cooling Coil Location and DisassemblyHazardous electrical current present Hazardous electrical current present Figure 6 Heating Coil Location and Disassembly5.5.2. Replacing the regeneration heating coil Heating Coil5.6. Cleaning the Drying Hopper Figure 7 STT Figure 8 STT 60 - STTSTT 6. Functional description STT40 / STT70Functional 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 controllerPARAMETERS THAT ARE NOT CHANGED FACTORY DEFAULTS DEFAULT SETTINGS FOR JUMO TEMP. CONTROLLERPARAMETERS THAT ARE CHANGED IN TESTING AREA Contact information6.4. Return Air Cooler Optional Figure 13 Suction Box7. Transporting, Assembly and Storage 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 The fuse protection must have STT40 16 A 8.3. Electrical ConnectionSTT40 max. 1.1 kW, STT70 max. 2.0 kW STT70 16 A8.4. Connection of Return Air Cooler Optional 9.1. Introduction 9. TroubleshootingProblem Possible causePossible cause ProblemProcess heaters are faulty Corrective actionProblem Possible causeCorrective action Problem Using a ThermocoupleUsing a Platinum Resistance Thermometer Possible cause10.2. STT70 10. Technical data10.1. STT40 Return Air Cooler optional10.3. Dimension Sheet 11. Spare parts list Spare parts listSTT40 / STT70 Description STT40ID-number Return air cooler optionalDescription STT70ID-number Return air cooler optionalOperating unit ID-numberDescription Control unit STT70 Control unit STT40Hopper heater Hopper heater12. Electrical manual STT40 / STT70Electrical manual 13. Accessories AccessoriesSTT40 / STT70 Parameter Basic temperature controller settings STT40Code Parameter setParameter Basic temperature controller settings STT70Code Parameter set14. Quick Start Guides 14.1. for STT 40 Dryer5.Turn the hopper heater switch to position “I” On without timerOFF On with timer Position “O” Position “I”EXIT Arrow up Set Point PGM Arrow downProcess Display LED “Status” LED Ramp/Program Note Due to the following circumstancesPage 14.2.Proper Shut-downGuide for STT 40 Dryer Position “O” Position “I” OFFMain power High Temp Safety On without timerOFF On with timer 14.3. Quick Start Guide for STT 70 DryerSet Point PGM Arrow down EXITPosition “O” Position “I” 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” OFFSales Department Service DepartmentParts Department Contract Department