Sterling Sterling Dehumidifier STT 500 Operating Instructions Manual Download Page 71 | Manualshive

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Summary of Contents for Sterling Dehumidifier STT 500

Page 1: ...Operating Instructions Dehumidified Air Dryer STT 500 with Siemens S7 control unit 0 2 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 2 6 2 M S STT 500 2 Sterling Material Processing 5200 West Cinton Ave Milwaukee WI 53223 Telephone 414 354 0970 Fax 414 354 6421 www sterlco com These operating instructions are for Please fill in...

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 per...

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: ...optional 6 3 6 3 Return air cooler 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 Assembly and Stora...

Page 7: ...er 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 Elektror High pressure blower o _ _ _...

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 2 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: ...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 prop...

Page 13: ...vided 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...

Page 14: ...itch 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 stoppe...

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: ...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 17: ...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 ENTER key Confirms the entries ESC key Goes back one s...

Page 18: ...g 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 Red contino...

Page 19: ...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 20: ...nto 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 blocked and you have to re...

Page 21: ...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...

Page 22: ...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 23: ...g 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 24: ...sed air will be displayed Press the key If the unit operates with Dew point dependent regeneration switch op tional Dew point max Enter the maximum permissible worst allowed dew point temperature 35 t...

Page 25: ...ge 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 coo ler circuit The lower the va...

Page 26: ...ting 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...

Page 27: ...the 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...

Page 28: ...lock 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 th...

Page 29: ...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 30: ...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 31: ...HIFT 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 cha...

Page 32: ...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 ru...

Page 33: ...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 34: ...System runtime Acknowledge with the ENTER key or Press the SHIFT key and the F2 key System runtime PLC X XX h r blwr X XX h m blwr X XX h The runtime of the blowers and the PLC SPS is shown in hours...

Page 35: ...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 su...

Page 36: ...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 37: ...t 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 goes on If the temperature is still too high after 3...

Page 38: ...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 39: ...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 40: ...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 41: ...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 42: ...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 43: ...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 44: ...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 45: ...ch 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 46: ...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 47: ...nths Clean filter of the regeneration blower depending on amount of dust collected Every six months Exchange return air filter depending on amount of dust collected Exchange filter of the electrical c...

Page 48: ...t the main switch Disconnect the power supply F Open the upper left hand panel seen from the front by means of the pro vided switch cabinet key Clogged filters reduce the volume of circulating air to...

Page 49: ...er housing Use lint free clea ning rags Re install the cleaned new return air filter Mount the lid and fasten the securing nut Close the panel F Never operate the dryer without return air filter The d...

Page 50: ...the outside or renew the filter Re install the cleaned new filter Replace the circular grid Fasten the two wing nuts on Replace the regeneration air filter housing and the lid of the regeneration air...

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: ...tch off the dryer at the main switch Disconnect the power supply F Open the upper left hand panel seen from the front by means of the pro vided switch cabinet key Order number V belts blower regenerat...

Page 53: ...6 towards the carrier flange housing position 4 Remove defective V belts position 5 put on new ones F Attention should be given to exact alignment of the V belt pulleys Adjust belt tension by screw po...

Page 54: ...be disposed of in accordance with all official regula tions Used drying agents are to be disposed of as hazardous waste as it may be contaminated with foreign substances from the materials dried in t...

Page 55: ...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 56: ...rox 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 natio...

Page 57: ...which 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...

Page 58: ...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 59: ...ogram end has been reached This guarantees that 1 regenerated drying cells is always available The air inside the switch cabinet is cooled by a cooling appliance for the protection of temperatu re sen...

Page 60: ...hopper 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...

Page 61: ...lue 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 continuously...

Page 62: ...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...

Page 63: ...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 64: ...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 65: ...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 2 6 2 M...

Page 66: ...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 67: ...th 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 hei...

Page 68: ...under any circumstances 8 2 Connection of the air coolers F A return air cooler is generally required in cases in which the return air temperature is over 65 C 149 F The return air cooler can be conne...

Page 69: ...n 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 Re...

Page 70: ...or timer Optical alarm indication Function control with flow diagram Optional Equipment Dew point display Return air cooler for high processing temperatures Pre air filter Special color Special voltag...

Page 71: ...0 2 6 2 M S STT 500 Technical Data 9 2 All dimensions are in mm in Subject to alteration...

Page 72: ...Dimension sheet 0 2 6 2 M S STT 500 Technical Data 9 3...

Page 73: ...10 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 0 2 6 2 M S STT 500 Spare parts list 10 1...

Page 74: ...element 230 V 3 kW regeneration 93795 Tubular heating element 230 V 2450 W regeneration 85275 Temperature limiter STB 360 500 C 680 932 F regeneration 5 97762 Silicon hose 95819 Pull button 6 93687 Fi...

Page 75: ...83991 V belt Optional S82519 High pressure blower HRD 2TFU with frequency converter operation 83023 Frequency converter 83022 Operating unit 12 05190 Valve stem complete 13 20952 Drying cell complete...

Page 76: ...Pos ID number Description 16 83986 Moisture sensor 0 2 6 2 M S STT 500 Spare parts list 10 4 16 16...

Page 77: ...emperature converter 88226 Filter cartridge temperature proof if a return air cooler is in use Flaps optional 16522 Motor flap NW150 complete 16517 Motor flap NW80 complete 86376 Motor operator 24 V A...

Page 78: ...personnel and trained personnel authorized by Sterling Other persons are not permitted to modify or repair the equipment Connection diagram no _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Currently not available...

Page 79: ...rol with Fuzzy Logic Elektror High pressure blower with frequency converter operation Elektror High pressure blower _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...

Page 80: ...Accessories Entering values on the OP 7 17 Sterling Material Processing B G 1 0 2 0...

Page 81: ...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 82: ...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 83: ...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 84: ...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 85: ...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 86: ...Accessories Flap control with Fuzzy Logic Sterling Material Processing B G 0 0 0 1...

Page 87: ...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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