Sterling STT 300 - Manuals

1. Ge ne ral In for ma ti on » The se ope ra ting in struc tions are ad dres sed to all users of the de vi ce. The se ope ra ting in struc tions must be used by every per son char ged withwork on the unit. 5 1 6- 2 M S De hu mi di fied Air Dry er Ge ne ral In for ma ti on 1-1

1.2. Ex pla na tions and in for ma ti on Va ri ous terms and de sig na tions are used in the se ope ra ting in struc tions to en su re cla ri ty. The re -fo re plea se note that the terms used in the text stand for the cor re spon ding ex pla na tions lis ted be -low. • Equip ment”Equip ment” can me...

2. Sa fe ty in struc tions » The se sa fe ty in struc tions ap ply to all per sons wit hin the ran ge of ac ti on of the equip ment. Plea se in form all per sons wit hin the ran ge of ac ti on of the equip ment of thedi rect and in di rect ha zards con nec ted with the equip ment. The se ope ra ting...

2.1. For your sa fe ty Ge ne ral The ope ra ting per son nel of this equip ment must be at least 16 ye ars old. Plea se read the se ope ra ting in struc tions ca re ful ly be fo re ta king into ope ra ti on for the first time.Con tact us should que stions ari se. This avoids in ju ry and da ma ge to...

As sem bly Com pa re the con nec ted lo ads with tho se of the mains supp ly. Dan ger of in ju ry through elec tri calshock! When using lif ting gear, plea se ob ser ve the per tai ning re gu la tions. Cau ti on: Dan ger of ac ci dents! Do not mo di fy, add ot her equip ment or chan ge the de sign o...

When dry ing plas tics which emit ga ses dan ge rous for hu man he alth, take care that the re ge ne ra -ti on ex haust air is dis po sed of wit hout pol lu ting the en vi ron ment. This will pre vent dan ger to peo -ple and ma te ri al! Op er ate the dryer only if there is at least one dry ing hop ...

3.1.2. Flow chart 1 Indicator lamp 2 Valve system 3 Drying chamber 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 Red continous light: alarm 5 1 6- 2...

3.3. Vie wing the soft wa re-ver si on Press the “±” -key. & The soft wa re-ver si on will be dis play ed. 3.4. Passwords The entry of a password prevents unauthorised persons from having access to the data enteredinto the control system. Important data can then be entered or modified only after...

Login Press the key “F2" . En ter the pass word.Press the ENTER key. & If the pass word has been en tered cor rectly, the cor re spond ing pass wordlevel is dis played. You can now en ter data into the con trol sys tem or mod ify data which have al ready been en tered. Press the ESC key. Log...

Hop per X on/off (X = num ber of the dry ing hop per) “on” = re lea sing dry ing hop per X, “off” = bloc king dry ing hop per X Ack nowled ge with the EN TER-key. Hop per hea ter X on/off (X = num ber of the hop per hea ter) “on” = switch on hop per hea ter X, “off” = switch off hop per hea ter X Ac...

& If the unit ope ra tes with a re turn air coo ler (op tio nal): Re turn air cooler Tar get En ter the max. per mis si ble re turn air tem per a ture (65 °C max.) (149°F). Higher tem per a tures arenot al lowed. Ac knowl edge with the EN TER-key. Return air cooler Act. The current return air te...

3.5.3. Entering hopper values Select ”Hopper” . Acknowledge with the ENTER-key. or Press the ”F4” -key. Hopper entry X Target (X = number of the drying hopper)Enter the drying temperature for hopper flap X (when operating with supplementary heating). Acknowledge with the ENTER-key. Hopper entry X Ac...

3.5.4. Observing processing status Select ”Status” . Acknowledge with the ENTER-key. or Press the ”K1” -key. & The current operation status of individual assembly parts is displayed: e.g.: valve block moved in/moved out/error “moved in” = The upper drying cells are within the drying circuit; the...

3.5.5. Setting date and time & This function is password protected. Press the “K3" -key. Enter the password if 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 d...

3.5.6. Viewing/changing language and contrast & This function is password protected. Press the “K4" -key. Enter the password if requested. Contrast Press the SHIFT key.By means of the arrow keys, select the adjustment which suits you best. Press the ENTER key. & Depending on the outside ...

3.5.7. Changing parameters Select ”Parameters” . Acknowledge with the ENTER-key. or Press the SHIFT -key and the ”K1” -key. Run on time dry ing blow er -- 300 sec. Stan dard set ting: 300 sec onds, changes only af ter con tact ing SterlingService. Press the “ â ” key. Pa ra me ters F The values in t...

3.6. Starting continuous operation When you have carried through all basic settings, you can start with continuous operation. F Make sure that hoppers which are not in use are separated from thedehumidified air supply. Make sure that the set drying temperatures are suited for the materials inthe hop...

3.7. Viewing system runtime Select ”System runtime” . Acknowledge with the ENTER-key. or Press the SHIFT -key and the ”F2” -key. Sys tem runtimePLC X.XX h r.-blw r. X,XX h m.-blw r. X.XX h & The runtime of the blowers and the PLC (SPS) is shown in hours. 5 1 6- 2 M S STT 300 Start-up 3-19

4. Er ror and er ror cor rec ti on » This chap ter is di rec ted at the ope ra tors of the equip ment. This chap ter as su mes ge ne ral skills in dea ling with dry ing sys tems and SPS (PLC) con trol units. This chap ter as su mes that the “start-up” des crip ti on has been read and un -ders tood. ...

Over flow Press the ”F2" -key. & If the re are more cur rent alarm mes sa ges than can be sa ved, a war ningmes sa ge (= re si du al buf fer rea ched) may be gi ven. This functi on is pass word pro tec ted (Sterlingservice). Over flow w ar ning On/Off Press the SHIFT-key.By me ans of the ar ...

Tem pe ra tu re Mea su re ment Gra nu les De fec ti ve Hop per X (X = num ber of the dry ing hop per)Check ca bles and sen sor.Check the po wer supp ly.Short cir cuit check. Ex cess Tem pe ra tu re Gra nu les Hop per X (X = num ber of the dry ing hop per)The ma te ri al tem pe ra tu re is too high. ...

5. Main ten an ce » This chap ter is in ten ded for per sons with skills in elec tri cal and me cha ni calare as due to their trai ning, ex pe rien ce and re cei ved in struc tions. Per son nel using the in struc tions in this chap ter must be in struc ted of the re -gu la tions for the pre ven ti o...

5.2. Clea ning/re ne wing the air fil ters Press the ”F2” -key. Se lect ” Dry er off ”. Ack nowled ge with the EN TER-key. L Wait un til the blo wers have stop ped tur ning. Switch off the dry er at the main switch. Dis con nect the po wer supp ly. F Open the up per panel by me ans of the pro vi ded...

Blo wer ”re ge ne ra ti on hea ter” / Blo w er ”dry ing hea ter” Re mo ve the pro tec ti ve grid of the blo wer (po si ti on 3). Loo sen the nut (po si ti on 1). Loo sen and re mo ve the screw (po si ti on 2). Sli de mo tor with car rier flan ge pla te (po si ti on 6) to wards the car rier flan ge h...

High-pres su re blo w ers w ith fre quency con ver ter ope ra ti on F Blo wers work wit hout V-belts! 5.4. Dis po sing of the dry ing agent En su re that dry ing cells are ex chan ged by Sterlingor re fil led only when emp ty. Dry ing agents must be dis po sed of in ac cor dan ce with all of fi ci a...

5.6. Chan ging the bat te ry of the con trol sys tem » This work may be car ried through only by qua li fied per son nel trai ned in thefield of elec tri cal en gi nee ring. F The bat te ry may be chan ged only with the con trol sys tem swit ched on. Open the con trol box by means of the con trol bo...

L Sto re ba ckup bat te ries in a dry and cool pla ce. Ba ckup bat te ries can be sto red for ap prox. 5 ye ars.If ba ckup bat te ries are not trea ted pro per ly, they can ig ni te, ex plo de andcau se se ve re bur ning. & Or der num ber bat te ry: ID 83809 Bat te ries must be dis po sed of in ...

6. Functio nal des crip ti on » This functio nal des crip ti on is in ten ded for all ope ra ting per son nel of theequip ment. Pre re qui si te for this functio nal des crip ti on is ge ne ral knowled ge of dry ersand SPS (PLC) sys tems. En su re in each case that the ope ra ting per son nel are su...

6.1. Dry er The dry er ope ra tes with de hu mi di fied air, i.e. the air is not only hea ted but also de hu mi di fied be fo -re flo wing into the dry ing hop per. This prin ci ple al lows plas tic gra nu les to be dried to a re si du almoi stu re con tent as low as 0.002 % (PET gra nu la te). The ...

6.2. Dry ing hop per (op tio nal) The ma te ri al is dried in the dry ing hop per. The de hu mi di fied air is for ced through the ma te ri al inthe hop per, col lec ting moi stu re in the pro cess. The dry ing hop per must be di men sio ned ac cor -ding to its in ten ded use to en su re that the fi...

6.3. Re turn air cooler (op tional) F A re turn air cooler is gen er ally re quired in cases in which the re turn airtem per a ture is over 65 °C (149°F). A re turn air coo ler im pro ves the ef fi cien cy of the dry ing cells. The re turn air coo ler re du ces the re turn air tem pe ra tu re to a d...

6.4. Hop per hea ters (op tio nal) If dif fe ring dry ing tem pe ra tu res are re qui red in the dif fe rent dry ing hop pers, hop per hea ters mustbe in stal led on the dry ing hop pers. The dry ing tem pe ra tu re of each dry ing hop per can be set cen -tral ly at the dry er. 6.5. Au to ma tic mo ...

7. Trans port, As sem bly and Sto ra ge » This chap ter is in ten ded for all ope ra ting per son nel of the equip ment. Per son nel using the se in struc tions must be in struc ted in the re gu la tions forthe pre ven ti on of ac ci dents, the ope ra ting con di tions and sa fe ty re gu la tionsand...

7.1. Trans port and Pac king » Plea se en su re ade qua te car ry ing ca pa ci ty of the lif ting equip ment. Note that the dry er sys tem is top-he avy. Risc of topp ling! The equip ment pass a ri go rous ope ra ting test in the fac to ry and are pa cked ca re ful ly to avoidtrans port da ma ge. Pl...

w ith a w ork shop cra ne Check if the eye lets are in stal led on the dry er hou sing. If this con di ti on is met, fas ten the trans port ca bles to the eye lets. If this con di ti on is not met, mount the eye lets and then fas ten the trans port ca bles to the eye lets. Dis as sem ble the eye let...

8. As sem bly in struc tions Ver si on: 64.10-8248GB01 04/02 » These in stal la tion in struc tions are in tended for per sons with skills in elec tri -cal and me chan i cal ar eas due to their train ing, ex pe ri ence and re ceived in -struc tions. Per son nel us ing these in stal la tion in struc ...

8.1. Moun ting of the suc ti on de vi ce for re ge ne ra ti on ex haust air When plas tics are dried which pro du ce ha zar dous ga ses, en vi ron men tal ly sound dis po sal of there ge ne ra ti on ex haust air must be pro vi ded. The throughput of the re ge ne ra ti on blo wer may not be chan ged....

9. Tech ni cal Data Ba sic Equip ment · Cen tral ly mo ni to red Mitsubishi dry ing con trol sys tem with ope ra tor pa nel OP 7 · Cen tral tem pe ra tu re con trols for all hea ting ele ments to en su re cons tant tem pe ra tu re le vels · Sa fe ty tem pe ra tu re li mi ter for all hea ters · De si...

Di men si on sheet 5 1 6- 2 M S STT 300 Tech ni cal Data 9-2 All di men sions are in mm (in). Sub ject to al te ra ti on.

10. Spa re parts list » This spa re parts list is in ten ded to be used only by trai ned per son nel. Ot her per sons are not per mit ted to mo di fy or re pair the equip ment. & ID-num bers for units with spe ci al vol ta ge, for ex. blo wers, only on re -quest. 5 1 6- 2 M S STT 300 Spa re part...

Pos. ID-num ber De scrip tion 1 87788 High-pres su re blo wer HRD 1/2, 0,5 kW, 400 V/50 Hz 93741 V-belt 97762 Si li con hose 95819 Pull-but ton 2 95828 Tu bu lar hea ting ele ment 230 V, 3 kW (dry ing, op tio nal) 85276 Tem pe ra tu re li mi ter STB 160-250 °C (dry ing, op tio nal) 3 86363 Spind le ...

Pos. ID-num ber De scrip tion 5 86378 Fil ter car trid ge (if no re turn air coo ler is in use) 6 93687 Fine-mesh fil ter with fil ter mat (com ple te) 93686 Fil ter mat for fine-mesh fil ter 7 14208 Dry ing cell, com ple te 96196 Dry ing agent 8 05190 Val ve stem, com ple te 85682 Mi cro-switch 9 8...

Ac ces so ries 85241 Di gi tal ti mer (ex tern, op tio nal) 86371 Mul ti plier Pt 100 (3 m) (9.84 ft) 89846 Mul ti plier Pt 100 (6 m) (19.79 ft) 93303 Mul ti plier Pt 100 (9 m) (29.53 ft) 86387 Mul ti plier Pt PT 100 (12 m) (39.47 ft) 83015 Mul ti plier Pt 100 (15 m) (49.21 ft) Re turn air co ler (o...

11. E lec tri cal ma nu al This electrical manual is intended to be used only by Ster ling ser vice personnel and trained personnel authorized by Ster ling. Other persons are not permitted to modify or repair the equipment. ¨ Con nec ti on dia gram no.: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ¨ Cur rent ly ...

1 OP7, OP17 09/96 3.3 Entering Values In input fields, values can be entered on the OP and transferred to the PLC.To do this, proceed as follows: Step Procedure 1 Branch initially to the screen yourequire and then to the corresponding screen entry. 2 Using the arrow keys, select the input field you ...

2 OP7, OP17 09/96 3.3.1 Entering Numerical Values In fields that allow the operator to enter a numerical value, you enter the nu-merical value character by character using the keypad on the system key-board. If there is a value in the field already, it is cleared completely from the fieldwhen the fi...

3 OP7, OP17 09/96 3.3.2 Entering Alphanumeric Values With the input of alphanumeric values, digits and letters are mixed. For the numerical components of the input, proceed as described in section3.3.1. If, however, you wish to enter a letter at the current cursor position,you must enable the corres...

5 OP7, OP17 09/96 3.3.3 Entering Symbolic Values When you enter a symbolic value, text is displayed instead of the value. If afield has to be filled by entering symbolic values, take the value from a list ofoptions. To do so, proceed as follows: Step Procedure 1 In the input field pressShift LED is ...

Acces so ries Flap con trol with Fuzzy-Lo gic Ster ling Ma te rial Pro cess ing B G 0 0/ 0 1

F Obser ve that the hop per is not swit ched off af ter the flap has clo sed. Tur ning hop per off: see chap ter “start-up, tur ning the de vi ces on/off”. Con trol unit “flap” Switch po si tion: 0 = “Quick clo sing” flap clo ses quick 1 = “Slow clo sing” flap clo ses con tro lled 2 = “Au to ma tic ...