Instruction/ maintenance manual of the product STT 110 Sterling
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Op er ating In struc tions De hu mid ified air dryer STT 110 STT 160 5 0 6 - 2 M S Ster ling Ma te rial Pro cess ing.
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Tech ni cal ser vi ce: Ser vi ce de part ment Tele phone: ( 800) 423-3183 Edi ti on: 04/02 5 0 6 - 2 M S STT 110 / STT 160 2 The se ope ra ting in struc tions are for*: (* Please fill in per son ally).
Ster ling Ma te rial Pro cess ing re tains all rights to chan ge the in for ma ti on in the se ope ra ting in struc t ions at any time wit hout no ti ce. We as su me no lia bi li ty for any er rors or di rect or in di rect da ma ge re sul ting in con - text with the se ope ra ting in struc t ions.
Ta ble of con tents 1. Gen eral In for ma tion ....................................................... 1-1 1.1. Warn ings and sym bols ............................................. 1-2 1.2. Ex pla na tions and in for ma tion ..........................
6.1. Gen eral In for ma tion ............................................... 6-2 6.2. Dry ing Hop per (Op tional) ........................................... 6-5 6.2.1. Hop per Heater ............................................. 6-6 6.3. Con nec tion to a Pneu matic Con vey ing Sys tem (Op tional) .
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 with work on the unit.
1.1. War nings and sym bols The fol lo wing war nings and sym bols are used in the se ope ra ting in struc tions: » This sym bol in di ca tes dan ger to life! Fa tal or se ri ous in ju ry is pos si ble if the cor re spon ding in struc tions, re gu la tions or war nings are not ob ser ved.
When dis pos ing of dry ing agents / bat ter ies / oil, ob serve all of fi cial rules. Cau tion: High noise pol lu tion ! For all work on the equip ment, hear ing pro tec tion should be worn. Avoids im pair ment of hear ing! Cau tion: Dan ger of crush ing ! Dis con nect the equip ment from mains sup ply be fore start ing mainenance pro ce dures.
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 t he cor re spon ding ex pla na tions lis ted be - low.
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 the di rect and in di rect ha zards con nec ted with the equip ment.
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.
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 cal shock! When using lif ting gear, plea se ob ser ve the per tai ning re gu la tions.
Ope ra te the dry er only if the re is at least one dry ing hop per ope ra ting. This will pre vent da ma ge of ma te ri al! 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.
2.2. For the sa fe ty of the de vi ces Ne ver chan ge set tings wit hout ca re ful ly as ses sing the con se quen ces. Use only ori gi nal Ster ling spa re parts. Ob ser ve the main ten an ce in struc tions. Keep a re cord of all main ten an ce works and re pairs.
3. S tart up » This chap ter is ad dres sed to the ope ra tors of the ma chi ne. This chap ter as su mes ge ne ral skills with dry ing equip ment. This chap ter as su mes that the functio nal des crip ti on has been read and un - ders tood. It must be en su red that the ope ra tors have the re qui red ex pe rien ce.
3.1. In iti al Ope ra ti on Check whet her the in let of the dry ing hop per is clo sed by a blind lid, or whet her a con vey or unit (op tio nal) is in stal led. If not, ma nu fac tu re a suit ab le blind lid and in stall it on the in let of the dry ing hop per or in stall the con vey or unit (op tio nal).
Turn the re lea se swit ches “Hop per” (ST1 - ST6) at “I” po si ti on. Turn the thermo reg u la tor to +80 °C (176°F) for the dry ing tem per a ture. Press the “PGM” key. Set by me ans of the ar row keys the dry ing tem pe ra tu re to “80".
3.2. Con ti nu ous Ope ra ti on F Fill at least half of the dry ing hop per with ma te ri al. 3.2.1. Swit ching the Dry er on Switch on the main switch of the dry er.
3.2.2. Set ting the Dry ing Tem pe ra tu r e Turn the re lea se swit ches “Hop per” (ST1, ST2) at “I” po si ti on. For each dry ing hop per, set the re qui red dry ing tem pe ra tu re (= de si red va lue) by me ans of the re - spec ti ve ther mo re gu la tor.
Op ti mi zing the ther mo re gu la tor Press the “EXIT” key for at least 2 se conds. “tunE” flas hes. The op ti mi za ti on can take se ve ral mi nu tes. If “tunE” stops flas hing, the op ti mi za ti on is fi nis hed. Press the “EXIT” key.
3.3. Swit ching the Dry er off Set the re lea se switch “Ti mer” at po si ti on: L Wait un til the blo wer has stop ped. The run on time of the blo wer is 10 mi nu tes. If the re is a re turn air coo ler in stal led, switch off its coo lant cir cuit.
4. Er ror and er ror cor rec tion » This chap ter is di rected at the op er a tors of the equip ment. This chap ter as sumes gen eral skills in deal ing with dry ing sys tems. This chap ter as sumes that the “start-up” de scrip tion has been read and un - der stood.
The fol low ing er rors can lead to an alarm: Blower The pres sure of the blower is too low. Check the blower. Vac uum sen sor de fec tive. Re gen er a tion heater 1 The safety tem per a ture lim iter of the re gen er a tion heater 1 has been ac ti vated.
5. Main te nance » This chap ter is 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.
F Please ob serve the main te nance sched ule. Be fore start ing main te nance work, clean the equip ment of oil, fuel or lu - bri cant. En sure that ma te ri als and in ci den tals re quired for op er a tion as well as spare parts are dis posed of prop erly and in an en vi ron men tally sound man ner.
5.1. Main te nance sched ule Daily: Check warn ing signs on equip ment for good leg i bil ity and com plete ness Clean re turn air fil ters and cas ing (de pend ing on dust build-up) Weekly: Check mai.
5.2. Cleaning or Re placing the Air Fil ter Set the re lease switch “Timer” at po si tion: L Wait un til the blower has stopped. The run on time of the blower is 10 min utes. If there is a re turn air cooler in stalled, switch off its cool ant cir cuit.
5.2.1. Cleaning or Re placing the Re turn Air Fil ter STT 110 / STT 160 De tach the nut on the hous ing of the re turn air fil ter and re move the hous ing cover. Re move the nut of the fil ter car tridge. Re move the f il ter car tridge. Clean the in side of the re turn air fil ter hous - ing.
5.3. Dis posing of Drying Agents Please note that dry ing cells are re placed or re filled by Ster ling only if they are empty. When dis pos ing of dry ing agents, ob serve all of fi cial rules. Since used dry ing agents may con tain im pu ri ties from the dried ma te ri - als, treat them as spe cial waste.
5.4. Cleaning the Drying Hop per Set the re lease switch “Timer” at po si tion: L Wait un til the blower has stopped. The run on time of the blower is 10 min utes. If there is a re turn air cooler in stalled, switch off its cool ant cir cuit. L Switch off the main switch of the dryer (the sig nal lamp “power” goes off).
ST 25 Open the tog gle-type fas ten ers (A) at the hop per lid and fold the hop per lid up wards (if in use: re move be - fore the sin gle con veyor). Clean the dry ing hop per. Close the hop per lid and close the tog gle-type fas ten - ers (A) (if in use: re-mount the sin gle con veyor).
ST 60 - ST 1600 Open the clean ing open ing of the dry ing hop per: Lift and turn the han dle (A) to open the lock, if in use: re move be fore the sin gle con veyor (ST 400 - ST 1600: 2 han dles).
6. Functio nal des crip ti on » This functio nal des crip ti on is ad dres sed to the ope ra tors of the equip ment. This functio nal des crip ti on as su mes ge ne ral fa mi lia ri ty with dry ing equip - ment. It should be ve ri fied that the ope ra tors do in deed have the ap pro pri ate skills.
6.1. Ge ne ral In for m a ti on The de hu mi di fied air dry ers were de ve lo ped for dry ing plas tic gra nu les. Due to their com pact con - struc ti on, they can be em ploy ed next to the pro ces sing ma chi ne (dry ing hop per on the pro ces sing ma chi ne) or with one or more dry ing hop pers as a mo va ble fa ci li ty (com pact fa ci li ty).
All functi on se quen ces are ful ly au to ma tic. The dry er is equip ped with two dry ing cells. One dry ing cell is part of the dry ing cy cle; the ot her dry ing cell is re ge ne ra ted si mul ta ne ous ly. Part of the de hu mi di fied air is used for re ge ne ra ting the moist dry ing cell.
A di gi tal dis play of the cur rent dew point tem pe ra tu re can be supp lied as ad di tio nal equip ment. As an op ti on, a ti mer clock can be supp lied which swit ches the dry er on or off at pre se lec ted ti mes. F Read the ope ra ting ma nu al of the ti mer clock.
6.2. Dry ing Hop per (Op t io nal) The ma te ri al is dried in the dry ing hop per. The de hu mi di fied air is con duc ted through the ma te ri al in the dry ing hop per and ta kes up moi stu re. Dry ing hop pers must have the ap pro pria te di men sions for their spe ci fic use so that the de si red fi nal moi stu re con tent is rea ched.
6.2.1. Hop per Hea ter Each dry ing hop per has its own hop per hea ter. The tem pe ra tu re of the de hu mi di fied air is ad jus - ted by me ans of the ther mo re gu la tor. The set ting ran ge is from +60 - +180 °C. The cur rent tem pe - ra tu re can be read off the di gi tal dis play (= ac tu al va lue).
6.3. Con nec ti on to a Pneu ma tic Con vey ing Sys tem (Op tio nal) Your dry ing fa ci li ty works best in com bi na ti on with a pneu ma tic con vey ing sys tem. In this way, your dry ing hop per will al ways be supp - lied with suf fi cient ma te ri al.
7. Trans port, As sem bly and Stor age » This chap ter is in tended for all op er at ing per son nel of the equip ment. Per son nel us ing these in struc tions must be in structed in the reg u la tions for the pre ven tion of ac ci dents, the op er at ing con di tions and safety reg u la tions and their im ple men ta tion.
7.1. Tansport and Packing » Please en sure ad e quate car ry ing ca pac ity of the lift ing equip ment. Note that the dryer sys tem is top-heavy. Risc of top pling! F The ma chine must not be tilted or laid on its side. The equip ment pass a rig or ous op er at ing test in the fac tory and are packed care fully to avoid trans port dam age.
7.2. As sem bly » Please en sure ad e quate car ry ing ca pac ity of the lift ing equip ment. Check the car ry ing ca pac ity of the point of in stal la tion, par tic u larly if in stalled on a plat form. The place se lected for in stal la tion should be as free of vi bra tions as pos si ble.
8. As sem bly in struc tions » 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.
8.1. In stal la tion of the exhauster fan for re gen er a tion of ex haust air When plas tics are be ing dried that re lease harm ful gases dur ing the dry ing pro cess, care must be taken that the re gen er a tion ex haust air is dis posed of in an en vi ron men tally sound way.
8.3. Elec tri cal Con nec tion » The elec tri cal con nec tion of the dryer and of the hop per heat ers may only be car ried through or as signed by Ster ling ser vice staff or by qual i fied staff au - tho rized by Sterling. Other per sons are not per mit ted to carry through t he elec tri cal con nec tion.
8.4. Con nec tion of Re turn Air Cooler (O p tional) F A re turn air cooler must be em ployed if the re turn air tem per a ture is higher than +65 °C (149°F). You can con nect the re turn air cooler to a cool ant cir cuit or to the wa ter mains net work.
9. Technical Data 9.1. STT 110 amount of de hu mid i fied air: ............................. max. 110 m 3 /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: .
9.2. STT 160 amount of de hu mid i fied air: ............................. max. 160 m 3 /h (5,650.35 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: .
9.3. Di men sion Sheet 5 0 6 - 2 M S STT 110 / STT 160 Technical Data 9 - 3 Di men sions and data with out ob li ga tion. Di men sions in mm. (in.) Spec i fi ca tions may be sub ject to al ter ations.
10. Spare parts list » This spare parts list is in tended to be used only by trained per son nel. Other per sons are not per mit ted to mod ify or re pair the equip ment.
STT 110 / STT 160 Pos. ID-num ber De scrip tion 1 85677 blower STT 110 85367 blower STT 160 2 94233 seal ing 3 85323 diffusor 4 96196 desiccant 5 23918 seal ing 6 88366 fil ter car tridge, when op er .
Re turn air cooler (op tional) 29786 re turn air cooler 83972 hose Hop per heater 85343 ra di a tor 1,5 kW 84512 ther mal breaker 85652 tem per a ture lim iter 85338 ra di a tor 3,0 kW 84510 ther mal .
Op er ating unit Pos. ID-num ber De scrip tion 1 82368 main switch 2 82394 LED el e ment, green 82393 cap 82495 fix ing adapter 3 82494 LED el e ment, white 82392 cap 82495 fix ing adapter 4 26207 dew.
Con trol unit 86376 mo tor 85675 ra di a tor 2.4 kW 95819 pull-but ton 87440 con tact el e ment 83975 con trol ler 85275 tem per a ture lim iter 88914 contactor 87933 power sup ply 83647 cut-out 88907.
11. Elec tri cal man ual » This elec tri cal man ual is in tended to be used only by Ster ling ser vice per son - nel and trained per son nel au tho rized by Sterling. Other per sons are not per mit ted to mod ify or re pair the equip ment. o Con nec tion di a gram no.
12. Ac ces sories o Ba sic set ting thermo reg u la tor o Dig i tal timer o Spare parts list Dry ing Hop pers ST 25 - ST 6400 o _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ o _ _ _ _ _ _ _ _ .
Ba sic set ting thermo reg u la tor » This in for ma tion is in tended to be used only by Ster ling ser vice per son nel and trained per son nel au tho rized by Sterling.
An important point after buying a device Sterling STT 110 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sterling STT 110 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sterling STT 110 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sterling STT 110 you will learn all the available features of the product, as well as information on its operation. The information that you get Sterling STT 110 will certainly help you make a decision on the purchase.
If you already are a holder of Sterling STT 110, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sterling STT 110.
However, one of the most important roles played by the user manual is to help in solving problems with Sterling STT 110. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sterling STT 110 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
