Sterling STT 1600 Operating Instructions Manual Download Page 79

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Control

27892

Front panel with flow chart

83468

CPU 315 (S7)

83809

Battery

83811

OP 7

84156

Fan

84157

Fil ter

Hop per heat ers

Ca ble set heat ing

95828

Tu bu lar heat ing el e ment 230 V, 3 kW

85652

Safety tem per a ture limiter (STB)

Flaps (op tional)

16522

Mo tor flap NW150, com plete

88952

Sealing

16517

Mo tor flap NW80, com plete

88952

Sealing

86376

Mo tor op er a tor 24 V, AD/DC, 50-60 Hz

18232

Air con trol flap

88952

Sealing

84492

Ther mom e ter

STT 1600

93687

Fine-mesh fil ter with fil ter mat (com plete)

93686

Fil ter mat for fine-mesh fil ter

85241

Dig i tal timer (extern, op tional)

86371

Sen sor Pt 100 (3 m) (9.84 ft.)

93303

Sen sor PT 100 (9 m) (29.53 ft.)

10.1. Switching Cab i net and Op er ating Unit

Ob serve spare parts list in the elec tri cal man ual.

STT 1600

Spare parts list 10-5

Summary of Contents for STT 1600

Page 1: ...Operating Instructions Dehumidified Air Dryer STT 1600 with Siemens S7 control unit 0 3 6 2 M S Sterling Material Processing...

Page 2: ...om Europe Middle East Africa 48 22 390 9720 Email acseuropecustserv corpemail com India 91 21 35329112 Email acsindiacustserv corpemail com Asia Australia 86 512 8717 1919 Email acsasiacustserv corpem...

Page 3: ...0 3 6 2 M S STT 1600 2 Sterling Material Processing 5200 West Clinton Ave Milwaukee WI 53223 Telephone 414 354 0970 Fax 414 354 6421 www sterlco com These operating instructions are for Please fill i...

Page 4: ...without 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 pers...

Page 5: ...on the dryer 3 4 3 2 1 Operation statuses 3 4 3 3 Viewing the software version 3 5 3 4 Passwords 3 5 3 5 Basic parameters 3 7 3 5 1 Turning the devices on off 3 7 3 5 2 Entering dryer values 3 9 3 5 3...

Page 6: ...hopper optional 6 3 6 3 Return air cooler optional 6 4 6 4 Hopper heaters optional 6 5 6 5 Automatic motor flaps optional 6 5 6 6 Connection to a pneumatic conveying system optional 6 5 7 Transport A...

Page 7: ...available will be delivered at a later date 12 Accessories 12 1 o Entering values on the OP 7 17 o Flap control with Fuzzy Logic o Elektror High pressure blower with frequency converter operation o El...

Page 8: ...on 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 0 3 6 2 M S Dehumidified Air Dryer Gene...

Page 9: ...s 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...

Page 10: ...ctions 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 mu...

Page 11: ...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 prer...

Page 12: ...efore work is carried out on these com ponents Caution Danger to life through electrical shock Compile detailed operating instructions based on these Operating instructions for the sequence of procedu...

Page 13: ...achi nery Electric shock In case of malfunction shut down the equipment immediately Have malfunctions corrected im mediately Danger of accidents The machine is intended only for the drying of granulat...

Page 14: ...n 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 i...

Page 15: ...e 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 N...

Page 16: ...only STT 1600 STT 2400 This will prevent damage of material Check 5 hours after first putting into operation that the drying cells are sufficently filled with drying agent only STT 1600 STT 2400 This...

Page 17: ...e the rele vant skills F Note down all set values of the control system Make sure that the cooling appliance is connected to the mains socket in the electrical cabinet if present optional Make sure th...

Page 18: ...submenu If you want to work on several submenu items in succession you can select the individual items directly by means of the arrow keys 3 1 1 Key assignment F1 key Leads to the table of contents EN...

Page 19: ...mber 4 Drying blower 5 Return air filter 6 Drying hopper 7 Drying heater 8 Regeneration heater 9 Regeneration blower 10 Regeneration air filter Indicator lamp messages Green continous light in process...

Page 20: ...yer and the operation status of the unit are displayed F Unblock the control system Keep the ACK key pressed until the LEDs of the keys K1 K4 light up 3 2 1 Operation statuses The following operation...

Page 21: ...to the data entered into the control system Important data can then be entered or modified only after the password has been entered If you make no entries for more than 10 minutes the access is blocke...

Page 22: ...already been entered Press the ESC key Logout Press the key F3 Only data for which no password is necessary password level 0 can now be entered into the control system or modified Press the key Edit P...

Page 23: ...esired operation internal operation with timer operation at OP7 see chapter timer external operation with timer if present off operation without timer Acknowledge with the ENTER key The timer is only...

Page 24: ...hopper X off blocking drying hopper X Acknowledge with the ENTER key Hopper heater X on off X number of the hopper heater on switch on hopper heater X off switch off hopper heater X Acknowledge with...

Page 25: ...air will be displayed Press the key If the unit is operates with dew point controlled changeover point with dew point display optional Dew point max Enter the maximum permissible worst allowed dew po...

Page 26: ...edge with the ENTER key Return air cooler Act The current return air temperature will be displayed The cooling effect of the return air cooler is highly dependent on the cooler circuit The lower the v...

Page 27: ...ing with supplementary heating Acknowledge with the ENTER key Hopper entry X Act X number of the drying hopper The current temperature at the feed opening of hopper flap X will be displayed If there i...

Page 28: ...e ENTER key This value is entered in percent of the temperature on the hopper inlet The material temperature calculated by the control system for closing the flap on the drying hopper X is displayed i...

Page 29: ...ock moved in moved out error moved in The upper drying cells are within the drying circuit the lower ones are regenerated moved out The upper drying cells are regenerated the lower ones are within the...

Page 30: ...requested Date Press the SHIFT key By means of the arrow keys select the desired week day By means of the arrow keys select the shown date Press the SHIFT key Enter the desired date Press the ENTER k...

Page 31: ...the SHIFT key By means of the arrow keys select the adjustment which suits you best Press the ENTER key Depending on the outside temperature the brightness of the screen may vary Language Press the SH...

Page 32: ...IFT key and the K1 key Run on time drying blower 300 sec Standard setting 300 seconds changes only after contacting Sterling Service Press the key Parameters F The values in this menu may only be chan...

Page 33: ...switching off time Acknowledge with the ENTER key Example Fr ON 08 00 OFF 23 59 Sa ON 00 00 OFF 23 59 Su ON 20 00 OFF 08 00 Mo ON 00 00 OFF 00 00 The dryer starts on Friday at 08 00 in the morning run...

Page 34: ...for the materials in the hoppers After first filling do not process the material until after the dwelling time If a return air cooler is installed switch on the coolant circuit of the return air cool...

Page 35: ...Select System runtime Acknowledge with the ENTER key or Press the SHIFT key and the F2 key System runtime PLC h r blwr h m blwr h The runtime of the blowers and the PLC SPS is shown in hours 0 3 6 2...

Page 36: ...Select Dryer off Acknowledge with the ENTER key L Wait until the regeneration phase is finished and the blower has come to a standstill Switch off the dryer at the main switch Disconnect the power sup...

Page 37: ...general skills in dealing with drying systems and SPS PLC control units This chapter assumes that the start up description has been read and un derstood It should be ensured in each and every case th...

Page 38: ...t yet eliminated the flashing changes to steady light If a cooling appliance is present If the temperature inside the switch box is higher than 50 C 122 F the lamp alarm temperature inside switch box...

Page 39: ...xt G going the resent for the failure has gone Q reset the display of the alarm message in the operator device has been erased by pressing the ACK key Press the ESC key Print Optional This function is...

Page 40: ...ssages The number of current alarm messages is displayed Press the ESC key Delete Press the F3 key This function is password protected Sterling service Press the ENTER key for deleting the messages Pr...

Page 41: ...vice Overflow warning On Off Press the SHIFT key By means of the arrow keys select on if a warning message is to be given By means of the arrow keys select off if no warning message is to be given Pre...

Page 42: ...ck A Safety Temperature Limiter has been Activated Check the safety temperature limiter of the drying regeneration or hopper heater respectively Filter Door is Open The side panels to the air filters...

Page 43: ...or Bypass Flap The bypass flap does not close or closes too slowly Check the bypass flap Error Valve Block The valve block has not reached the proper position The main switch is placed in the off posi...

Page 44: ...Measurement Heater Defective Hopper X X number of the drying hopper Check cables and sensor Check the power supply Short circuit check Excess Temperature Heater Hopper X X number of the drying hopper...

Page 45: ...s Temperature Granules Hopper X X number of the drying hopper The material temperature is too high Check the heater Check the throttle valve Valve Error Hopper X X number of the drying hopper The thro...

Page 46: ...h 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...

Page 47: ...il 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 sp...

Page 48: ...nthly Check V belt tension of blower Every three months Clean filter of the regeneration blower depending on amount of dust collected Every six months Exchange return air filter depending on amount of...

Page 49: ...off the dryer at the main switch Disconnect the power supply F Open the upper panel by means of the provided switch cabinet key Clogged filters reduce the volume of circulating air to a substantial de...

Page 50: ...e filter housing Use lint free cleaning rags Re install the cleaned new return air filter regeneration air filter Mount the lid and fasten the securing nut Close the panel F Never operate the dryer wi...

Page 51: ...mat with compressed air from inside to outside or renew the filter mat Clean the filter housing Use lint free cleaning rags Re install the cleaned new filter mat Replace the lid of the filter F Never...

Page 52: ...ers have stopped turning Switch off the dryer at the main switch Disconnect the power supply F Open the upper panel by means of the provided switch cabinet key Order number V belts regeneration blower...

Page 53: ...housing pos 4 Replacement Remove defective V belts pos 5 put on new ones Re tensioning Adjust belt tension by means of screw pos 2 in accordance with the information plate Tighten the nuts on threade...

Page 54: ...V belts pos 32 put on new ones Re tensioning Adjust belt tension by means of screw pos 11 in accordance with the informa tion plate Tighten the nut pos 10 again Mount the protective grid of the blowe...

Page 55: ...ust be disposed of in accordance with all official regulations Used dessicant are to be disposed of as hazardous waste as it may be contaminated with foreign substances from the materials dried in the...

Page 56: ...control box key which is part of the supply Open the front door of the CPU Pull the backup battery with cable out of the compartment Plug the connector of the new backup battery into the correspondin...

Page 57: ...ox 5 years If backup batteries are not treated properly they can ignite explode and cause severe burning Order number battery ID 83809 Batteries must be disposed of in keeping with the relevant nation...

Page 58: ...hich is part of the supply Turn the key to the STOP position Turn the key to the MRES position Hold the key in this position until the STOP LED comes on for the second time and remains on this takes 3...

Page 59: ...for all operating personnel of the equipment Prerequisite for this functional description is general knowledge of dryers and SPS PLC systems Ensure in each case that the operating personnel are suffi...

Page 60: ...gram end has been reached This guarantees that 2 regenerated dry ing cells are always available The air inside the switch cabinet is cooled by a cooling appliance for the protection of temperatu re se...

Page 61: ...opper material must also be continuously fed into the drying hopper The new moist material is fed into the drying hopper from the top and slowly moves downward toward the material suction box As the m...

Page 62: ...e value chosen for the return air temperature the better the efficiency of the drying cells The dryer is automatically switched off if temperature exceeds 80 C 176 F Return air temperature is continuo...

Page 63: ...be closed via the dryer The supplementary heating system is then automatically switched off 6 6 Connection to a pneumatic conveying system optional The dryer operates most effectively in conjunction w...

Page 64: ...ing 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 eq...

Page 65: ...uring transport Plugs must be removed before assembly Packing materials should be disposed of according to environmental laws or reused Only use for transport of the equipment a suitable lifting devic...

Page 66: ...ion is met fasten the transport cables to the eyelets If this condition is not met mount the eyelets and then fasten the transport cables to the eyelets Disassemble the eyelets after set up 0 3 6 2 M...

Page 67: ...sides Make sure that the air filters can be changed without problems The rear of the dryer can be placed against a wall To conserve energy keep the distances between dryer hopper and processing machin...

Page 68: ...ions 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...

Page 69: ...haust air must be provided The throughput of the regeneration blower may not be changed It must be taken into consideration when installing a disposal system e g exhaust system that regeneration exhau...

Page 70: ...and the tin plate A Fill the drying cell with drying agent up to the nozzle see filling level Mount the tin plate and the tension ring A F Check 4 5 hours after first putting into operation the filli...

Page 71: ...er mains network Observe the water flow with connection to water mains network The coolant circuit must be di mensioned acccordingly Remove the side panel of the dryer Connect the coolant intake line...

Page 72: ...on The main switch must be freely accessible Ground the equipment against electrostatic charging L Observe that the control system is still under voltage even when the mains switch is switched off F R...

Page 73: ...ndication Function control with flow diagram Optional Equipment Dew point display Return air cooler for high processing temperatures Pre air filter Special color Special voltage Printer interface Fuzz...

Page 74: ...Dimension sheet 0 3 6 2 M S STT 1600 Technical Data 9 2 All dimensions are in mm in Subject to alteration...

Page 75: ...is spare parts list is intended to be used only by trained personnel Other persons are not permitted to modify or repair the equipment ID numbers for units with special voltage for ex blowers only on...

Page 76: ...12 99716 Ball bearing 16 05190 Valve stem 86363 Spindle motor 24 V 0 3 6 2 M S STT 1600 Spare parts list 10 2 12 16...

Page 77: ...39 31536 Sealing 72 16517 Motor flap optional 86379 Motor 88952 Sealing 100 83986 Moisture sensor 86387 Sensor PT 100 12 m 39 37 ft 0 3 6 2 M S STT 1600 Spare parts list 10 3 39 100 72...

Page 78: ...g cell 96196 Drying agent 96143 Tension ring 28420 Sealing ring 85533 Tension ring 36 86356 Filter cartridge 61 88226 Filter cartridge 64 21027 Sealing 65 07050 Sealing 66 27899 Heating head 85322 Sil...

Page 79: ...ing 16517 Motor flap NW80 complete 88952 Sealing 86376 Motor operator 24 V AD DC 50 60 Hz 18232 Air control flap 88952 Sealing 84492 Thermometer STT 1600 93687 Fine mesh filter with filter mat complet...

Page 80: ...erling service personnel and trained personnel authorized by Sterling Other persons are not permitted to modify or repair the equipment Connection diagram no _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Currently...

Page 81: ...rol with Fuzzy Logic Elektror High pressure blower with frequency converter operation Elektror High pressure blower _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...

Page 82: ...Accessories Entering values on the OP 7 17 Sterling Material Processing B G 1 0 2 0...

Page 83: ...cal values refer to section 3 3 1 inputs of alphanumeric values refer to section 3 3 2 inputs of symbolic values refer to section 3 3 3 4 Confirm your input with You can cancel any incorrect input by...

Page 84: ...left justified When input begins the old value does not disappear from the display completely but its bit pattern is overwritten one character at a time You move the cursor in this type of field by p...

Page 85: ...r with activated Shift Lock mode with and A to F characters can be entered directly with activated Shift Lock mode using numeric keys 1 to 6 If you want to enter digits again after the letters Shift L...

Page 86: ...re 1 Press in succession A 1 8 2 Press Shift LED is on The extended character set is available 3 Scroll with the arrow keys through the extended character set 4 Select O and using the arrow key move r...

Page 87: ...e value from a list of options To do so proceed as follows Step Procedure 1 In the input field press Shift LED is on The list of options with its configured symbolic inputs is activated 2 Select the v...

Page 88: ...Accessories Flap control with Fuzzy Logic Sterling Material Processing B G 0 0 0 1...

Page 89: ...hopper off see chapter start up turning the devices on off Control unit flap Switch position 0 Quick closing flap closes quick 1 Slow closing flap closes controlled 2 Automatic control flap operates...

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