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Sterling STT 110, Operating Instructions Manual

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Sterling STT 110 Operating Instructions Manual Download Page 47

9. Technical Data

9.1. STT 110

amount  of  de hu mid i fied  air:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 110 m3/h (3,8846.1 cf/h)

op er at ing  volt age:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400 V/3 AC/50 Hz
spe cial volt ages can be sup plied on re quest

con nected  load: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 kW

cal o rific  out put  (dry ing)

*

: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. 9.0 kW

*de pend ing on the equip ment with hop per heat ers

cal o rific  out put  (re gen er at ing):. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.4 kW

driv ing  power  (dry ing,  re gen er at ing): . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.75 kW

dry ing  tem per a ture: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . max. +180 °C(356°F)

width: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 900 mm (35.5 in.)

depth:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 666 mm (26.2 in.)

height: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1320 mm (52.0 in.)

weight: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . approx. 180 kg (396.83 lbs.)

noise: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . approx. 66 dB (A)

op tions: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . timer clock

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . dew point dis play

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  re turn air cooler

Re turn Air Cooler

wa ter flow rate in the wa ter mains net work*:. . . . . . . . . . . . . . .  approx. 0.35 m3/h (12.46cf/h)
(

*

wa ter  tem per a ture:  +6  °C)  (42.8°F)

Ø pipe con nec tion:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/2” (0.5 in.)

5

0

6-

2

M

S

STT 110 / STT 160

Technical Data 9-1

Summary of Contents for STT 110

Page 1: ...Operating Instructions Dehumidified air dryer STT 110 STT 160 5 0 6 2 M S Sterling Material Processing ...

Page 2: ...hese operating instructions are for Please fill in personally Serial number Year of manufacture Date of delivery Number of delivery Date of commissioning Location Group of machines Sterling Material Processing 5200 West Clinton Ave Milwaukee WI 53223 Telephone 414 354 0970 Fax 414 354 6421 www sterlco com ...

Page 3: ...thout notice We assume no liability for any errors or direct or indirect damage resulting in con text with these operating instructions Copying translation or publication in any form except for personal use of purcha ser requires approval from Sterling Material Processing All rights reserved 5 0 6 2 M S STT 110 STT 160 3 ...

Page 4: ...yer 3 2 3 2 Continuous Operation 3 4 3 2 1 Switching the Dryer on 3 4 3 2 2 Setting the Drying Temperature 3 5 3 3 Switching the Dryer off 3 7 4 Error and error correction 4 1 5 Maintenance 5 1 5 1 Maintenance schedule 5 3 5 2 Cleaning or Replacing the Air Filter 5 4 5 2 1 Cleaning or Replacing the Return Air Filter 5 5 5 3 Disposing of Drying Agents 5 6 5 3 1 5 6 5 3 2 5 6 5 3 3 5 6 5 3 4 5 6 5 3...

Page 5: ...static charging 8 2 8 3 Electrical Connection 8 3 8 4 Connection of Return Air Cooler Optional 8 4 9 Technical Data 9 1 9 1 STT 110 9 1 9 2 STT 160 9 2 9 3 Dimension Sheet 9 3 10 Spare parts list 10 1 11 Electrical manual 11 1 o Connection diagram no _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ o Currently not available will be delivered at a later date 12 Accessories 12 1 o Basic setting thermo ...

Page 6: ...mation These operating instructions are addressed to all users of the device These operating instructions must be used by every person charged with work on the unit 5 0 6 2 M S STT 110 STT 160 General Information 1 1 ...

Page 7: ...rious injury is possible if the corresponding instructions regulations or warnings are not observed F This symbol indicates that extensive damage to equipment is possible if the corresponding instructions regulations or warnings are not obser ved This symbol indicates information important for becoming familiar with the equipment i e technical correlations This symbol indicates that a technical te...

Page 8: ...compressed air pipes on the equipment should be depressurised before starting maintenance work Caution Danger of hot surface Before starting any work wait until all parts have been cooled down suffi ciently Avoid touching any of these parts Caution Danger of skidding Remove any granules remaining on the ground Caution Danger to life through electrical shock Observe that the control system is still...

Page 9: ...structions must be compiled by the operator of the equipment Equipment foreman When several operating personnel work on one machine the equipment foreman coordinates the sequences The equipment foreman must be appointed by the operator Trained personnel Trained personnel are persons who due to their training are authorized to carry out the required work 1 3 Legal basis See Manufacturer s Certifica...

Page 10: ...rect and indirect hazards connected with the equipment These operating instructions are to be used by all persons assigned activi ties connected with the equipment Knowledge of the English language is prerequisite Ensure in each case that the operating personnel are familiar with the opera ting instructions and the function of the equipment 5 0 6 2 M S STT 110 STT 160 Safety instructions 2 1 ...

Page 11: ...work on the equipment is to be carried out by persons whose qualifications are specified in the pertaining chapters of the operating instructions Improper operation results in danger of acci dents The proper working clothes are to be worn during any work on the equipment This avoids injury The local regulations and requirements pertaining to this equipment must be observed Disconnect electrical co...

Page 12: ...e provided detailed instruction in the operation of the equipment Improper operation results in danger of accidents When the main switch is switched off for reasons pertaining to safety it must be secured against unauthorized activation Caution Danger of accidents Repair work may be carried out by trained personnel only Caution Danger of accidents Never operate the equipment when partially dismant...

Page 13: ...filters should only be cleaned replaced when the the main switch is off and the blower has stopped This avoids injury and damage to equipment Any maintenance work on the equipment should only be started when the the main switch is off and the blower has stopped This avoids injury and damage to equipment Check the v belts of the blower only when the main switch is switched off and the blowers have ...

Page 14: ...e Note the drying instructions of the material manufacturer Take care that the drying hoppers are always completely filled and that the retention period is re spected if continual removal is taking place Note that too large amounts taken from the drying hopper lead to insufficient drying of the materi al Close the air stop valves of drying hoppers which are empty or have not been used Note down al...

Page 15: ...switch is at 0 position Check the drying hopper for cleanliness Check to see whether the adhesive film on the drying hopper has be re moved If there is a return air cooler switch on its coolant circuit If there is a timer clock optional adjust it Read the operating manual of the timer clock Check whether the release switch Timer and the release switches Hopper ST1 ST6 are at 0 position The signal ...

Page 16: ...ulation European Standard 294 Check whether the coolant circuit of the return air cooler is turned on if a return air cooler is instal led 3 1 1 Switching on the Dryer Switch on the main switch of the dryer The signal lamp power goes on For operation with timer clock optional Turn the release switch Timer at position For operation without timer clock Turn the release switch Timer at position The b...

Page 17: ... EXIT key the setpoint value and the actual value of the drying temperature are displayed After 2 hours turn the release switches Hopper ST1 ST6 at 0 position Turn the release switch Timer at position L Wait until the blower has stopped The run on time of the blower is 10 minutes If there is a return air cooler installed switch off its coolant circuit Switch off the main switch of the dryer The si...

Page 18: ...e Dryer on Switch on the main switch of the dryer The signal lamp power goes on For operation with timer clock optional Turn the release switch Timer at position For operation without timer clock Turn the release switch Timer at position The blower is running 5 0 6 2 M S STT 110 STT 160 Start up 3 4 ...

Page 19: ...erial manufacturer After the first filling process the material only after the retention period is over Observe the instructions of the material manufacturer Press the PGM key By means of the arrow keys select the desired value for the drying temperature After 2 seconds the display flashes and the value is stored Press the EXIT key the setpoint value and the actual value of the drying temperature ...

Page 20: ... for at least 2 seconds tunE flashes The optimization can take several minutes If tunE stops flashing the optimization is finished Press the EXIT key 5 0 6 2 M S STT 110 STT 160 Start up 3 6 EXIT EXIT PGM K1 K1 K2 K2 K3 K3 tunE 60 EXIT EXIT PGM tunE 60 ...

Page 21: ...on L Wait until the blower has stopped The run on time of the blower is 10 minutes If there is a return air cooler installed switch off its coolant circuit Switch off the main switch of the dryer The signal lamp power goes off 5 0 6 2 M S STT 110 STT 160 Start up 3 7 ...

Page 22: ...ription has been read and un derstood It should be ensured in each and every case that the operators have the rele vant skills F Faults must be eliminated before the control system can again start oper ating An alarm is indicated by steady light of the signal lamp trouble When the fault has been eliminated the signal lamp trouble goes off 5 0 6 2 M S STT 110 STT 160 Error and error correction 4 1 ...

Page 23: ...n activated Check the safety temperature limiter Sterling Service Regeneration heater 2 The safety temperature limiter of the regeneration heater 2 has been activated Check the safety temperature limiter Sterling Service Hopper heater The safety temperature limiter of the hopper heater has been activated Check the safety temperature limiter Sterling Service 5 0 6 2 M S STT 110 STT 160 Error and er...

Page 24: ...is in proper working order and load sus pension devices with sufficient carrying capacity Do not stand or work under suspended loads Ensure that the electric motors switch cabinets are sufficiently protected against moisture Use suitable workshop equipment Before starting maintenance work appoint a supervisor Inform the responsible personnel before maintenance work on the system is started Never o...

Page 25: ... fuel or lu bricant 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 5 0 6 2 M S STT 110 STT 160 Maintenance 5 2 ...

Page 26: ... build up Clean air filter of the suction box All electrical and mechanical connections should be checked to see if they fit securely Annually Dewpoint should be checked only by Sterling service personnel Whenever the material is changed The drying hopper and suction box must be cleaned The service intervals refer to a 3 shift operation F The given maintenance intervals are average values Check wh...

Page 27: ...lled switch off its coolant circuit L Switch off the main switch of the dryer the signal lamp power goes off Interrupt the mains supply so that the device cannot be switched on unin tentionally Clogged filters substantially reduce the amount of circulating air and lead to a production lag of your dryer Clogged filters may also damage the heating elements 5 0 6 2 M S STT 110 STT 160 Maintenance 5 4...

Page 28: ...rial type vacuum cleaner Blow compressed air from the inside out through the clogged filter cartridge or re place the filter cartridge Re install the cleaned new filter cartridge Mount the nut Install the lid of the return air filter housing Fix the nut F Never operate the dryer without return air filter Purchase order numbers return air filter when operating without return air cooler ID 88366 whe...

Page 29: ...ing agents observe all official rules Since used drying agents may contain impurities from the dried materi als treat them as special waste It is not possible for Sterling to take back the used drying agent or drying cells with used drying agents 5 3 1 5 3 2 5 3 3 5 3 4 5 3 5 5 3 6 5 3 7 5 3 8 5 3 9 5 0 6 2 M S STT 110 STT 160 Maintenance 5 6 ...

Page 30: ...L Switch off the main switch of the dryer the signal lamp power goes off Interrupt the mains supply so that the device cannot be switched on unin tentionally F Clean the drying hopper each time you are changing the materials Make sure that the drying hopper has cooled down sufficiently Make sure that the drying hopper is completely empty Remove any granules remaining on the ground 5 0 6 2 M S STT ...

Page 31: ...upwards if in use remove be fore the single conveyor Clean the drying hopper Close the hopper lid and close the toggle type fasten ers A if in use re mount the single conveyor F Remove any granules remaining in the cleaning opening 5 0 6 2 M S STT 110 STT 160 Maintenance 5 8 TT 25 A ...

Page 32: ...ST 400 ST 1600 2 handles Clean the drying hopper Close the cleaning opening of the drying hopper Turn the handle A until the cleaning opening is locked and then close the handle if in use re mount the single conveyor F Remove any granules remaining in the cleaning opening ST 1200 and ST 1600 Clean the bead 5 0 6 2 M S STT 110 STT 160 Maintenance 5 9 ...

Page 33: ... addressed to the operators of the equipment This functional description assumes general familiarity with drying equip ment It should be verified that the operators do indeed have the appropriate skills 5 0 6 2 M S STT 110 STT 160 Functional description 6 1 ...

Page 34: ...the drying hopper In this manner plastic granules can be dried down to a very small residual moisture content The drying temperature can be adjusted if necessary up to a maximum of 180 C 356 F up per limit Due to the heat that is released during water absorption in the drying cells the lower limit of the dehumidified air temperature is approx 60 C 140 F The drying takes place continuously i e ther...

Page 35: ... rege neration it is heated by the regeneration heater After the end of the heating period the drying cell is cooled off by means of dehumidified air After the switch over time is reached the regenerated drying cell is included in the drying cycle and the cycle starts again 5 0 6 2 M S STT 110 STT 160 Functional description 6 3 Functional diagram 1 Drying cell 2 Regenerating heater 3 Drying hopper...

Page 36: ...n or off at preselected times F Read the operating manual of the timer clock 5 0 6 2 M S STT 110 STT 160 Functional description 6 4 Operating unit 8 7 6 5 1 2 3 4 1 release switch hopper ST1 ST6 2 dew point display optional 3 signal lamp power 4 signal lamp trouble 5 main switch 6 release switch Timer 7 timer clock optional 8 thermo regulator drying hopper ST1 ST6 ...

Page 37: ... be taken out for the first time If material is taken out continuously there must also be a continual addition of material into the drying hopper continuous drying process New moist material is conducted into the upper opening of the drying hopper and slowly reaches the material outlet at the lower end On its way from the upper to the lower end the material is dried down to the fi nal moisture con...

Page 38: ... value F The thermo regulator is factory programmed Nevertheless you have to set specific values which are dependent on the processed material 5 0 6 2 M S STT 110 STT 160 Functional description 6 6 EXIT PGM K1 K1 K2 K2 K3 K3 180 60 Thermo regulator Process display drying temperature Setpoint display drying temperature PGM key Selecting operating level or parameter selection reducing setpoint value...

Page 39: ...th one or three suction tu bes can be supplied as well optional These suction boxes are developped specifically for this type of hopper The loading of the conveying line with materi al is adjusted by closing or by opening of the control cover A 6 4 Return Air Cooler Optional F A return air cooler must be employed if the return air temperature is higher than 65 C 149 F A return air cooler improves ...

Page 40: ...erating conditions and safety regulations and their implementation Ensure in each case that the operating personnel are sufficiently informed Please inform all persons within the range of action of the equipment of the direct and indirect hazards connected with the equipment Please observe all safety regulations for the operation of lifting equipment 5 0 6 2 M S STT 110 STT 160 Transport Assembly ...

Page 41: ...nlet and discharge flanges are sealed with plugs so that no dirt can enter during transport Plugs must be removed before assembly Packing materials should be disposed of according to environmental laws or reused The dryer or the compact unit is delivered on a pallet The dryer should only be moved by means of the appropriate lifting equipment e g a fork lift truck or a workshop crane Fasten the tra...

Page 42: ...necessary for installation The dryer must be installed on a level surface and must not be exposed to excessive humidity The maximum permissible ambient temperature is 45 C 113 F To facilitate servicing the dryer should be installed in such a way that that it is accessible from 3 sides Make sure that the air filters can be changed without problems To conserve energy keep the distance between dryer ...

Page 43: ...s with regard to lifting gear handling All installation work must be carried out with the equipment disconnected from electrical power and compressed air supply L For installation work taking place at heights of over approx 6 feet 1829 mm use only ladders or similar equipment and working platforms in tended for this purpose At greater heights the proper equipment for pro tection against falling mu...

Page 44: ...g an exhauster system that the regeneration exhaust air is very humid Thus condensation may form which must not under any circumstances return to the dryer 8 2 Grounding the equipment against electrostatic charging Considerable electrostatic charging may occur in the equipment during processing of the various materials For this reason all components must be sufficiently grounded see grounding bolt...

Page 45: ...nd the equipment against electrostatic charging F Regularly make sure that none of the electrical or screw connections are loose Make sure that the main switch is at 0 position before the electrical con nection is carried out The operating voltage is 480 3 60 Special voltages can be supplied on request The connected loads are STT 110 approx 3 2 kW STT 160 approx 3 6 kW If hopper heaters are instal...

Page 46: ...ter flow rate in the water mains network is for STT 110 approx 0 35 m3 h 12 46 cf h STT 160 approx 0 48 m3 h 17 05 cf h water temperature 6 C 42 8 F Rate your coolant circuit accordingly Connect the coolant in and outlets to the return air cooler Observe the flowing direction of the coolant Check the tightness of the connections 5 0 6 2 M S STT 110 STT 160 Assembly instructions 8 4 STT 110 STT 160...

Page 47: ...fic output regenerating 2 4 kW driving power drying regenerating 0 75 kW drying temperature max 180 C 356 F width 900 mm 35 5 in depth 666 mm 26 2 in height 1320 mm 52 0 in weight approx 180 kg 396 83 lbs noise approx 66 dB A options timer clock dew point display return air cooler Return Air Cooler water flow rate in the water mains network approx 0 35 m3 h 12 46cf h water temperature 6 C 42 8 F Ø...

Page 48: ...generating max 2 4 kW driving power drying regenerating 1 1 kW drying temperature max 180 C 356 F width 900 mm 35 46 in depth 666 mm 26 2 in height 1320 mm 52 0 in weight approx 195 kg 432 10 lbs s noise approx 72 dB A options timer clock dew point display return air cooler Return Air Cooler water flow rate in the water mains network approx 0 48 m3 h 17 05 cf h water temperature 6 C 42 8 F Ø pipe ...

Page 49: ...9 3 Dimension Sheet 5 0 6 2 M S STT 110 STT 160 Technical Data 9 3 Dimensions and data without obligation Dimensions in mm in Specifications may be subject to alterations ...

Page 50: ... Spare parts list This spare parts list is intended to be used only by trained personnel Other persons are not permitted to modify or repair the equipment 5 0 6 2 M S STT 110 STT 160 Spare parts list 10 1 ...

Page 51: ...g 3 85323 diffusor 4 96196 desiccant 5 23918 sealing 6 88366 filter cartridge when operating without return air cooler 88628 filter cartridge when operating with return air cooler 7 85819 guide roll with fixing device 85820 guide roll 5 0 6 2 M S STT 110 STT 160 Spare parts list 10 2 1 2 2 4 5 2 3 6 7 ...

Page 52: ... 84510 thermal breaker 85652 temperature limiter 85363 radiator 6 0 kW 84509 thermal breaker 85652 temperature limiter 85651 radiator 9 0 kW 84508 thermal breaker 85652 temperature limiter 86371 Pt 100 3 m 89846 Pt 100 6 m 93303 Pt 100 9 m 86387 Pt 100 12 m 18232 air control flap 84492 thermometer 06925 flow indicator 5 0 6 2 M S STT 110 STT 160 Spare parts list 10 3 ...

Page 53: ...g adapter 3 82494 LED element white 82392 cap 82495 fixing adapter 4 26207 dew point display optional 5 82395 selector switch actuator 82490 contact element 6 87454 thermo regulator TT1 TT6 7 85241 timer clock optional 83646 sealing 5 0 6 2 M S STT 110 STT 160 Spare parts list 10 4 5 4 3 2 5 4 3 2 6 7 1 6 7 1 ...

Page 54: ...5 controller 85275 temperature limiter 88914 contactor 87933 power supply 83647 cut out 88907 terminal 99815 fuse 84982 relay holder 84983 relay 83624 terminal 84512 thermal breaker STT 110 84511 thermal breaker STT 160 84159 auxiliary switch 5 0 6 2 M S STT 110 STT 160 Spare parts list 10 5 ...

Page 55: ...on nel and trained personnel authorized by Sterling Other persons are not permitted to modify or repair the equipment o Connection diagram no _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ o Currently not available will be delivered at a later date 5 0 6 2 M S STT 110 STT 160 Electrical manual 11 1 ...

Page 56: ...ermo regulator o Digital timer o Spare parts list Drying Hoppers ST 25 ST 6400 o _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ o _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 5 0 6 2 M S STT 110 STT 160 Accessories 12 1 ...

Page 57: ...s 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 5 0 6 2 M S STT 110 STT 160 Accessories 12 2 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 Paramet...

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