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Operating Instructions

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1. x LEL Vol B uy oa x 100 mol If the lower explosion limit and the molar mass of the solvent are unknown LEL 40 g m is used lt 25 LEL C _ ELadm X LEL adm 100 The evaporation time at the drying temperature used is 5 2 58 The time for an air exchange in the complete vapour space of the dryer is V Q ming ts If the volume of the loaded goods is more than 10 of the useful space it has to be sub tracted from the total vapour space when calculating the maximum admissible solvent quantity The relation of the evaporation time to the time for one air exchange in the dryer is t t WwW The value of y at tg tw has to be taken from the diagram and used in the calculation of the solvent quantity to be applied The total quantity of solvent to be applied is B Cadm X 293 x V 273 9 A predrying loss of 45 is estimated at predrying time of e g 20 minutes Thus the content of solvent in the coating before predrying corresponds to a value which is by 55 higher than the value of the solvents contained in the applied varnish M x 100 max M ML predry 100 Z 45 If the content of solvents in the varnish applied is e g 60 the total weight of the var nish in one charge is _ Myreary X 100 Myarn 60 18 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 St
2. 0002 8149S 09 09 N17 sIeus ew Buneoo 10 5 suogonysuj 28 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 4 ERECTION AND INSTALLATION Erection and installation N Qualified personnel is required for the transport erection and installation of the unit The corresponding accident prevention rules have to be observed 4 1 Transport Shipment is done on a transport pallet e Transport the unit to the erecting place with a fork lift or suitable lift truck Dead weight please observe section 2 4 Technical data page 13 use belts for lifting or erecting the unit Unit without transport eyes Lift the unit carefully at the bottom from the pallet with a fork lift or suitable lift truck Remove the pallet Erect the unit at the erecting place please observe section 4 3 Erection drawing page 33 We recommend keep the pallet parts for service or move 29 of 88 Erection and installation 4 0 Erection gt gt gt tsch The installation room or area has to be marked as fire endangered Please note When erecting this unit the area room has to be characterised as exposed to the dan ger of fire and has to be equipped with the corresponding installations It is not allowed to inst
3. 9 09 0002 8149S 09 09 N17 sIeus ew Buneoo 10 5 suogonysuj 16 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 2 6 Calculation of the solvent quantities Description of the unit The solvent quantities for chamber dryers must be calculated again when the ope AN rating conditions are deviating or changing Drying of mould varnish If the chamber dryers are used for the drying of mould varnish the data for the maximum allowable quantities of inflammable materials may be increased by up to 10 times Drying of impregnating resin If the chamber dryers are used for the drying of impregnating resin the data for the max imum allowable quantities of inflammable materials solvent quantities may be increased by up to 20 times for the surface drying Main evaporation time The main evaporation time after loading the heated chamber dryer is at least 5 minutes when drying surface coated material 15minutes when drying mould varnish 60 minutes when drying impregnating resin However when the dryer is loaded before heating it up the main evaporation time is equal to the time until the drying temperature is reached When drying mould varnish the main evaporation time is equal to the time until the dry ing temperature is reached plus 5 minutes at least When dry
4. Open the door s Acoustic error message stops Close the door s Acoustic error message sounds e Push the measuring hoses on again at the flow switch F2 and fix them exhaust air control rear of switch box e Press push button Reset Pilot lamp Error exhaust air goes out Acoustic error message stops Scavenging time will run down again e Press luminous push button Heating on Heating is connected pilot lamp Heating on is shining Press push button Exhaust air off Exhaust air fan is switched off pilot lamp Exhaust air on goes out 51 of 88 Operation A tsch Industrietechnik Check of the error message temperature For operation please see section 5 6 2 Temperature limit cut out TLC page 56 Set the switch off temperature at the temperature limit cut out TLC lower than the present real value 0 C Temperature limit cut out TLC switches off pilot lamp Error at TLC is shining Pilot lamp Error temperature is shining Heating is disconnected pilot lamp Heating on goes out Exhaust air fan is switched on pilot lamp Exhaust air on is shining Acoustic error message sounds after a time lag Open the door s Acoustic error message stops e Close the door s Acoustic error message sounds e Setthe switch off temperature at the temperature limit cut out TLC again higher final value than the present real value
5. Confirm the error at the TLC Press the P key for 3 sec Temperature limit cut out TLC switches on pilot lamp Error at TLC goes out Pilot lamp Error temperature goes out Press push button Reset Acoustic error message stops Scavenging time will run down again Press luminous push button Heating on Heating is connected pilot lamp Heating on is shining Press push button Exhaust air off Exhaust air fan is switched off pilot lamp Exhaust air on goes out After completion of the first commissioning Prepare a commissioning protocol e Entry in the device log book 52 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 gt gt gt Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik Operation 5 6 Operation of the unit standard equipment If the equipment of the unit is different to the standard equipment the description in the sections 5 7 Operation of the unit additional equipment page 57 and 5 8 Operation of the unit special equipment page 67 has to be observed For operation of the equipment please see separate operating instructions in section 10 Documentation Connect the main switch Circulating air is switched on pilot lamp Circulating air is shining Exhaustair
6. 0 01767 m Atue ___ m Amplification factor in the flue interrupters v 1 15 V 1 15 Flow rate of the exhaust air fan ET Amet 264 Viue exh The length of the exhaust air system and its design e g nominal cross section number of tube bends etc have at this no influence on the devices 39 of 88 tsch Industrietechnik Erection and installation 2002 10 Wy gD 09 09 NLTWAN d 0002 8148S 09 09 N17 Buneoo Joy sje ug 8 Examples of exhaust air systems with a central extraction schematic O lt 0 40 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdat
7. 10 Observe the VDE and technical connection regulations of the local electricity supply company EVU Connection to power supply with clockwise rotating field Information about mains connection and necessary fuse protection on the connection diagram We recommend the connection through a leakage current contactor 300 mA The mains connection is in the switch box at the main switch The mains connection terminals have to be equipped with a cover Sense of rotation of the motor Check the sense of rotation of the fan Watch the rotation indicating arrow Since the sense of rotation of the circulating air fan cannot be seen directly it may be determined as follows Remove the bottom sheet metal in the working space Bottom sheet please see section 2 1 Description of the Items page 9 Connect and disconnect shortly the main switch The sense of rotation is clockwise if you look from above on the impeller Attention Danger of injuring Do not touch the running impeller 42 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik 4 6 Disassembly Erection and installation Disassembly of the dryer for a change of location Separation of the electrical conne
8. Disconnecting temperature please observe section 2 4 Technical data page 13 Notice for first commissioning temperature limiter STL The Temperature limiter may trigger during the transport or at temperatures under 0 C Consequence at first commissioning Unit is connected Redindicator light error heating is illuminated Press the push button under the screw cap of the STL at an ambient temperature of at least 20 C firmly with the aid of an approoirate tool Red indicator light error heating goes out Temperature limit cut out TLC Unit protection and material protection thermal safety class 2 acc to EN 60519 2 If the set temperature is exceeded the TLC disconnects the heating permanently and at all poles At the operating phase with reduced extracted air flow the unit is switched additionally to minimum extracted air flow rate Indication of the error by optical and acoustic signal Disconnecting temperature please observe section 2 4 Technical data page 13 26 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 3 3 Control Unit Safety appliances For the control of the main evaporation time independent of the program controller and for the aut
9. Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 5 OPERATION Operation The following regulations and safety notes have to be observed for the operation gt 4 Working rules Safety notes The unit has to be used exclusively for applications as described in section 1 1 Use corresponding to its intended purpose page 5 Do not make any manipulation at the safety appliances Every unauthorised intervention may have unforeseeable consequences Explosion hazard PP The control and operation of the dryer is only permitted to instructed operators and only according to customer s Manual instructions please observe section 1 3 Manual instructions page 6 The loading of the dryer is only allowed according to the Loading instructions of the customer please observe section 1 4 Loading instructions page 6 The quantities of dissolvent indicated in section 2 5 are to be observed for the maximum admissible quantity of dissolvent For other operating conditions or under consideration of the pre drying losses the dissol vent quantities have to be calculated anew according to EN 1539 please observe section 2 6 calculation of the dissolvent quantities gt gt If the volume of the loaded material is more than 10 of the working space it has to be deducted from the total vapour volume when calculating the
10. Ventilators switched off error message circulating exhaust air after about 20 sec flow switch not in resting position a User s extraction instal lation without flue inter rupter fixed connection b Flow switch doesn t react c Motor protection switch has triggered a Install flue interrupter in user s extraction installation b Check the flow switch measuring hose and meas uring set c Press on key check motor protection switch Ventilation in operation heating disconnected circulating air fan off warn ing sound off a Door opened b Door switch reacts at closed door a Close the door b Check the door switch and control disc Ventilation in operation heating connected no heating up a Error message at the temperature controller b Rated value on the tem perature controller is lower than real value a See operating instruc tions of the controller b Check the rated value on the controller Ventilation in operation heating disconnected error message of the Tem perature and warning sound is on a Sensor breakage of the temperature sensor Pt100 of the temperature limit cut out TLC b TLC has disconnected c Safety temperature lim iter STL has disconnected a Check the temperature sensor b Check the setting press the reset keys on TLC and on the switchboard C Press the reset key on
11. Press luminous push button Heating on Heating is connected pilot lamp Heating on is shining Press the key Start at the program controller or press push button Start pro gram 27 Furnace is heated according to the program After reaching the control temperature at the TLC Main evaporation time is running Pilot lamp in the time lag relay is shining After the time lag relay and the main evaporation time programmed on the program controller ran down Switching to reduced extracted air flow rate Pilotlamp Exhaust air on goes out The exhaust air can be connected again in the cooling phase by the output channel Exhaust air on the heating switched off Heating switched off pilot lamp Heating on is goes out Switched to maximum extracted air flow rate pilot lamp Exhaust air on is shin ing The exhaust air is connected every time when the door is opened and the control unit has to be started again After end of program Pilotlamp End of program is shining Flash lamp red End of program 2715 shining 1 additional equipment 2 only for further additional equipment 60 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik Change of p
12. 2404 and Jumo DICON 1001 1 with control unit for switching off the exhaust air according to EN 1539 For operation of the equipment please see separate operating instructions in section 10 Documentation e Connect the main switch Circulating air is switched on pilot lamp Circulating air is shining Exhaustair is connected pilot lamp Exhaust air is shining Pilot lamp Heating off is shining during the scavenging time scavenging time please see section 2 4 Technical data page 13 Pilot lamp Heating off goes out Release for heating operation 7 After 5 times air exchange scavenging time of the vapour space at closed unit door Operation with fixed value controller please see section 5 6 Operation of the unit standard equipment page 53 o Operation with program controlled rated value program controller Only by authorised personnel Set the temperature limit cut out to 10 C above operating temperature For operation gt please see section 5 6 2 Temperature limit cut out TLC page 56 The precontact control temperature reacts at 15 K 15 C below switch off tem perature Precontact set by manufacturer gt Set the time lag relay Control unit Turn the time range set screw B with a small screw driver until the time range selected is shown on display Turn the setting ring C until the indicator E is set to the selected r
13. 6 0 Input power kW 7 0 Reinforced heating power 77 Rated current A 22 0 Rated power kW 12 0 Input power kW 13 0 1 additional equipment 14 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 2 5 Quantities of Dissolvent Description of the unit These values are valid for a surface coating containing a dissolvent at 40 g m and 20 C with a max concentration of 25 of the lower explosion limit LEL calculated according to EN 1539 The maximum permissible quantity of dissolvent g is the quantity which is allowed to be fed in the dryer for each batch at the corresponding minimum extracted air flow rate and at the corresponding drying temperature C For drying of mould varnish the dissolvent quantity may be raised to a value of 10 times of the standard For drying of impregnating resin the dissolvent quantity may be raised to a value of 20 times of the standard LTU 60 60 91 55 50 45 40 35 30 25 20 15 10 5 0 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 15 of 88 x g 2 n 3 Description of the unit 2002 10 Wy gO
14. AUS STEUERSPUR6 AUS AUS AUS AUS AUS AUS AUS STEUERSPUR7 AUS AUS AUS AUS AUS AUS AUS STEUERSPUR 8 AUS AUS AUS AUS AUS AUS AUS TOL MIN 20 10 10 10 10 10 20 TOL MAX 50 10 10 10 10 10 70 PARAM SATZ 1 1 1 1 1 1 1 Set values of the control unit Time lag relay Control unit 5 minutes Temperature limit cut out 110 C 62 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 5 7 3 Temperature recorder The temperature of the unit material may be documented by a recorder Operation The 1 channel strip chart line recorder Jumo Logoline 500 d is equipped with a firmly mounted temperature sensor for measuring the temperature of the unit which is placed beside the controller sensor The use of a flexible temperature sensor for measuring the material temperature is also possible The 6 channel dot printer Jumo Logoprint 500 is equipped with 1 6 firmly mounted temperature sensors for measuring the temperature of the unit which are positioned in the working space The use of flexible temperature sensors for measuring the material temperature is also possible At the version with preparation for a recorder recorder to be supplied by the customer the temperature senso
15. Circulating air and exhaust air switched on Heating is switched on with delay Clock disconnected heating switched off Circulating air and exhaust air still in operation 2 After the temperature in working space dropped under 150 C 2 Circulating air and exhaust air switched off e For manual operation without clock switch off luminous push button Clock operation pilot lamp Clock operation goes out Circulating air and exhaust air switched on e Press luminous push button Heating on Heating is connected Day program switch clock 24 h Week program switch clock 168 h 1 additional equipment 2 only for further additional equipment 64 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch 5 7 5 Temperature controller Operation Eurotherm 2204 CC nominal value ramp Eurotherm 2404 CP 1 programs 8 steps Eurotherm 2404 P4 4 programs 8 steps each 1 Output 1 2 Output 2 3 Upper display real value 4 Lower display rated value 5 Rated value 2 6 Extern rated value 7 Manual automatic key 8 Automatic operation 9 Manual operation 10 Start Stop key 5 11 Program is running 8 12 Program is stopped 13 Picture key 14 Parameter key 15 Less ke
16. STL Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 69 of 88 Error diagnosis 6 2 Operating failures Otsch Industrietechnik FAILURE CAUSE REMEDY Error message at the con troller See operating instructions of the controller See operating instructions of the controller Error message of the circu lating air and warning sound is on a Flow switch Circulat ing air doesn t react b Motor protection switch has triggered a Check the flow switch measuring hoses and mea suring set and inside of the working space loading cleanness b Press on key check motor protection switch Error message of the exhaust air and warning sound is on a Flow switch Exhaust air doesn t react b Motor protection switch has triggered a Check the flow switch measuring hoses and measuring set and the sup ply and exhaust air lines b Press on key check motor protection switch Heating disconnected error message of the Tem perature and warning sound is on a Sensor breakage of the temperature sensor Pt100 of the temperature limit cut out TLC b TLC has disconnected Safety temperature lim iter STL has disconnected a Check the temperature sensor b Check the setting press the reset keys on TLC and on the switchboard C Press the reset k
17. corre sponding instruction book This instruction book has to consider the individual local and working conditions and the language of the operators The production manager has to guarantee that all persons working on the unit dryer are familiar with the safety information and observe them Work on electrical installations and components has to be carried out only by a skilled electrician The user has to prepare an instruction book for every dryer considering the operating instructions manual and the local working conditions which is easily understandable to the operating personnel and in their language The instruction book has to contain particularly indications about which steps are to be taken when interruptions occur Notes The instruction books include e g information about Dissolvents used Maximum admissible dissolvent quantities for every working condition Drying temperature circulating air temperature Hazards created by the materials or formulations used and the corresponding pro tection steps required Steps to be taken at interruptions Precautions to be taken when entering the dryer Indications for maintenance The user has to prepare an instruction about the maximum admissible load depending on the charging material for every dryer loading instructions Notes The loading instructions have to indicate the maximum admissible quantity of dissolvent considering the size the quantity a
18. display For the further operating of the temperature controller please see section 10 Docu mentation page 87 55 of 88 Operation A tsch Industrietechnik 5 6 2 Temperature limit cut out TLC Set the temperature limit cut out at 10 C above operating temperature Setting depending on the purpose of the protection 1 Protection of the material at rated temperature and protection of the unit at the same time Setting to final value Disconnecting temperature please observe section 2 4 Technical data page 13 2 Material protection at operating temperature Setting above the operating temperature wanted Indication of the current alarm value Operate the P key 1 x shortly The display shows alternating with the value of the current alarm value Alarm Low Indication of the current real value Operate the P key 2 x shortly The display shows InP alternating with the value of the current real value Input Indication of the current set value disconnecting temperature Operate the P key 3 x shortly The display shows AH alternating with the value of the current set value Alarm High Changing setting of the switch off temperature MAX Press the P key and the Increase value key at the same time for approximately 3 sec The display shows AH alternating with the value of the active set value Press the Decrease value key or Increase value
19. installation 2002 10 Wy gO 9 09 0002 8149S 09 09 N17 sIeus ew Buneoo 10 5 suogonysuj 32 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 4 3 Erection drawing Erection and installation Presentation standard unit LTU 60 60 without additional equipment ca 140 7 T poet Sa gre EE he row a co ke 500 ch spese w A 7 A e EE Sl 5 et o E iu am 2 s 5 y Y H Y _min soo_ _ 796 788 ca 895 2l 1 Exhaust air DN 100 2 Supply air DN 100 33 of 88 tsch Erection and installation sitet 4 3 1 Mounting of the exhaust air fan Assembly of the exhaust air fan and connecting collar when the unit is shipped with disassembled exhaust air fan 1 Fasten the bracket 3 at the rear wall of the unit 2 Insert the aspiration side of the exhaust air fan 4 in the exhaust air collar 2 in the rear wall of the unit and fasten it with the hex bolts 5 on the bracket 3 Insert the socket 6 on the exhaust air fan 4 and the pipe bend 1 in the socket 6 Secure the pipe pieces with sheet me
20. is connected pilot lamp Exhaust air is shining Pilot lamp Heating off is shining during the scavenging time After 5 times air exchange scavenging time of the vapour space at closed unit door scavenging time please see section 2 4 Technical data page 13 Pilot lamp Heating off goes out Release for heating operation Set the temperature controller For operation please see section 5 6 1 Temperature controller short instruction page 55 Temperature indication at the temperature controller Temperature controller Jumo dTRON 04 1 or Eurotherm 2204 and 2404 as fixed command controller e Set the temperature limit cut out at 10 C above operating temperature For operation please see section 5 6 2 Temperature limit cut out TLC page 56 Load the dryer before or after the heating up depending on the working process please observe section 5 2 Main evaporation time page 46 The dryer can be loaded only when the technical ventilation circulating air and exhaust air is in operation and stays in operation until the drying is finished e Press luminous push button Heating on Heating is connected pilot lamp Heating on is shining For economic reasons the dryer may be switched to the reduced exhaust air ope ration when heating up the unloaded dryer when the main evaporation time of the loaded dryer ran down please observe section 5 2 Mai
21. key alternatively The selected value is shown on the display Storing of the cut off temperature Press the P key The value selected is stored The value of the current cut off temperature is shown on the display If the set temperature is exceeded the TLC disconnects the heating permanently at all terminals Pilotlamp MAX at TLC is shining The indication of the active set value on the display flashes as long as the discon necting temperature is exceeded After the reducing the temperature under cut off temperature Pilotlamp MAX on TLC is blinking The flashing of the indication is stopped the display shows the active set value Acknowledgement of a temperature error Press the P key for 3 sec The TLC is reset The flashing of the pilot lamp MAX at the TLC is stopped 56 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 5 7 Operation of the unit additional equipment Operation 5 7 1 Temperature controller with precontact and time lag relay 1 Selection of a time lag relay for treatment time with disconnecting of the heating and connecting of the exhaust air For operation of the equipment please see separate operating instructions in section 10 Docum
22. middle of the working room and connect it to a temperature measuring instrument or to a recorder Set the rated value of the temperature of the temperature controller to max and heat the dryer up to above of the rated temperature while watching it The STL has to switch off at about 30 C above rated temperature in the middle of the working room Red pilot lamp Error heating is shining Set the rated value limitation of the temperature controller to the original value rated temperature Reset the STL only when the dryer has cooled down by about 50 C Press the push button under the screw cap of the STL at an ambient temperature of at least 20 C firmly with the aid of an approoirate tool Red pilot lamp Error heating goes out Danger AN On units where coating residues have accumulated dust condensate etc a special caution is necessary since vapours steam smoke could be generated when overheating the dryer A fire hazard cannot be excluded N 7 1 4 Test the temperature limit cut out TLC Test the serviceability at least once per month by instructed skilled personnel Set the TLC to a temperature lower than the current temperature the heating is switched off by the TLC Pilot lamp Error temperature is shining and the acoustic alarm is on Set the TLC again to a temperature higher than operating temperature Press the push button P for resetting the error message e Press the push button
23. on pilot lamp Exhaust air on is shining Pilotlamp Start time schedule goes out Pilot lamp End of program is shining Flash lamp red End of program is shining 2 Open the door Circulating air is switched off pilot lamp Circulating air goes out Heating is disconnected pilot lamp Heating on goes out Exhaust air fan is switched on pilot lamp Exhaust air on is shining e Change the charge of the dryer e Close the door Circulating air is switched on pilot lamp Circulating air is shining Exhaust air stays switched on pilot lamp Exhaust air on is shining program repetition e Press luminous push button Start time schedule Anew schedule starts Operation without time lag relay Switch off he luminous push button switch Automatic operation Pilot lamp Automatic operation goes out Heating is connected pilot lamp Heating is shining For further description please see section 5 6 Operation of the unit standard equip ment page 53 1 additional equipment 2 only for further additional equipment 58 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm J tsch Industrietechnik Operation 5 7 2 Program controller Eurotherm 2404 CP
24. rate is to be carried out only by qualified per sons Attach a pipe length about 1 m to the exhaust air collar of the unit stabilisation stretch At units with a fixed piping installation a measuring hole diam 40 mm has to be installed at a suitable place on the exhaust air line on a straight pipe segment about 1 m behind the exhaust air collar please observe section 4 4 2 Exhaust air systems page 36 Measure the minimum extracted air flow rate of the cold dryer with the exhaust air fan running 100 Exhaust air The minimum extracted air flow rate may be adjusted at the mechanical damper flap Minimum extracted air flow rate please observe section 2 4 Technical data page 13 If the minimum extracted air flow rate cannot be adjusted Please contact a V tsch Service point see annex 74 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik 7 1 3 Test the safety temperature limiter STL Maintenance Test the function of the STL at appropriate ilntervals Raise the rated value limitation of the temperature controller by about 50 C see Operating instructions of the temperature controller manufacturer Place a suitable temperature sensor in the
25. 00 mounted beside the controller sensor and guided on clamps 2 7 16Time switch Day program clock 24 h Week program clock 168 h Automatic connection of the unit with switching in of the heating Disconnection of the unit Gr sslin MIL 72 2 7 17 Operating hour meter 2 7 18All round light Additional error message or end of process message 1 additional equipment documentation of the equipment in section 10 Documentation 22 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 2 8 Mechanical equipment of the unit Description of the unit 2 8 1 Pick up of material type 60 60 Notched rails Mounted at the side for the pick up of angular supports Total load of the notched rails please observe section 2 4 Technical data page 13 Floor of the working space Not to be loaded 2 8 2 Angular support For the pick up of inserts 2 8 3 Inserts Wire mesh shelves Load of the wire mesh shelves please observe section 2 4 Technical data page 13 Gratings Load of the gratings please observe section 2 4 Technical data page 13 Loading trays 1 1 size 1 2 size Telescopic rails for pulling out the inserts 2 8 4 Door seal Silicone
26. 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik Operating Instructions Dryers for coating materials acc to EN 1539 LTU 60 60 Valid for Maximum dissolvent concentration of 25 of the lower explosion limit LEL Type Rated current Number of the unit Input power Year of construction Rating Rated voltage Connection diagram Nominal temperature Working space Minimum extracted air flow rate Total vapour volume Highest temperature of the heating surface above 750 C Maximum permissible quantity of dissolvent For other quantities of dissolvent please refer to the operating instructions Read the Operating Instructions observe them and keep them close to the device E 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik 0 CONTENTS Section Title Page 0 Contents 3 1 Important notice 5 1 1 Use corresponding to its intended purpose 5 1 2 Demands to the production manager 6 1 3 Manual instructions 6 1 4 Loading instructions 6 1 5 Guarantee 7 1 6 Special marks indication of hazards 8 2 Description of the unit 9 2 1 Description of the Items 9 2 2 Structure 10 2 3 Function 11 2 4 Technical data 13 2 7 Electrical equipment of the unit 21 2 8 Mechanical equipment of the unit 23 3
27. 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 5 6 1 Temperature controller short instruction Operation Jumo dTRON 04 1 1 Actual indication 1 8 7 segment display red 2 Rated value indication 7 segment display green ann 3 PGM key Advance of the levels 4 Digit key OA ks Selection of the decimal point when entering 5 Increase value key Increasing of the decimal point value 6 ENTER key 4 Confirming of the input 7 Indication of the connecting position Indication of the connected output 8 Ramp function Indication of the ramp function Setting changing of rated value Normal display The real value is in the upper display The rated value is in the lower display Press the PGM key The rated value is shown in the upper display The indication SP 1 is shown in the lower display Press the Digit key Adecimal point of the rated value blinks in the upper display Press the Increase value key The value of the decimal point is increased in the upper display Continue pressing the Digit key and the Increase value key until the rated value wanted is shown e Press the ENTER key The blinking of the decimal point in the upper display is stopped The rated value is stored e Press the PGM key 3 x The real value is shown in the upper display The rated value is shown in the lower
28. 73 190 x 0 16 378 273 x Predrying loss at 20 min utes M max x 100 16 378 100 g x 100 M mU uM Ter Z 29 76 M V EET predry 100 Z 45 predry 100 245 gt gt 768 predry 100 Z E Weight of varnish at 60 96 content of solvent eai X 100 29 76g x 100 g x 100 E PDA Myarn 60 49 6g 20 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 2 7 Electrical equipment of the unit Description of the unit 2 7 1 Temperature controller Jumo dTRON 04 1 2 2 7 2 Temperature controller 2 Jumo dTRON 04 1 with precontact for gating of a time lag relay for treatment time with disconnecting of the heating 2 7 3 Clock relay Gating of a clock relay for treatment time with disconnecting of the heating by a precontact of the temperature controller Omron 2 7 4 Temperature controller 2 Eurotherm 2204 CC nominal value ramp Eurotherm 2404 CP 1 program 8 steps Eurotherm 2404 P4 4 programs je 8 steps each Jumo Dicon 1001 25 programs integral time switch 2 7 5 External operation of the program controller Separated key for the start of a program as simplified operating of the program control
29. AN sioning the unit to avoid errors and the damages caused by them Keep the operating instructions close to the unit 1 1 Use corresponding to its intended purpose According to EN 1539 the dryer for coating materials with electrical heating series LTU is exclusively suitable for which could form with air an explosive gas atmosphere The maximum admissible quantities of dissolvent as of section 2 5 Quantities of Dis solvent are to be observed Drying and hardening of liquid coating materials containing combustible dissolvent e Combustible materials of the explosion group and II B may be used here A forbidden use which is not corresponding to its intended purpose is given at Overloading the dryer with dissolvents the coating system or changing the carrier material without recalculating the dissolvent values to be expected in the dryer e Heating and storing of materials of the explosion group C and explosive materials e Heating and storing of foodstuffs e Enabling the stay of living beings in the dryer and risking their life by that If you have doubts about special heat treatments please contact us 5 of 88 Important notice Industrietechnik 1 2 Demands to the production manager A A 1 3 Manual instructions A 1 4 Loading instructions A Otsch The unit must be operated only by instructed personnel Based on these Operating Instructions the production manager has to prepare a
30. Glass fibre 1 additional equipment 23 of 88 Otsch Description ofthe unit ____ 2 8 5 Lead through Diameter 25 or 40 mm in the left or in the right side wall 2 8 6 Filter Fresh air filter class F 5 acc to EN 779 only in connection with exhaust air fan 2 8 7 Kit for fastening the floor anchorage Securing device against tilting of the unit with retractable inserts on telescopic rails 2 8 8 Horizontal air guiding Conversion kit for changing the air guiding from vertical to horizontal 1 additional equipment 24 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 3 SAFETY APPLIANCES Safety appliances Do not make any manipulation at the safety appliances AN Every unauthorised intervention may have unforeseeable consequences Danger of explosion The function of the safety appliances has to be checked regularly please observe section 7 1 Testing and maintenance page 73 3 4 Control of the circulating and exhaust air flow rate Flow switch The control of the air flow rates which are necessary for a safe operation during the diffe AN rent phases of operation is done by each a flow switch differential pressure switch The
31. Reset on the switch box Scavenging time passes Faulty temperature limit cut out have to be replaced 75 of 88 Maintenance A 7 1 10Moving parts like telescopic rails 7 1 11Filter cooling of the switch box tsch Industrietechnik Connections of the heating Check the terminals of the heating behind the cover at the left side of the exterior housing for correct condition and fixed screws Measure the power consumption with a tong amperemeter rated current gt please see section 2 4 Technical data page 13 only by skilled electrician Door seal Check the silicone continuous strand seals for damages and contact pressure Treat the silicone seals with talc Closing bars and door hinges check for wear Working space and exhaust air lines remove residuals condensate Exhaust air fan remove residues condensate do not remove or slide the balancing clamps at the impeller remove residues lubricate with BEL RAY 1030 Grease Hellube 148 Deutsche TOTAL GmbH Kirchfeldstr 61 40217 Dusseldorf Beat out vacuum or blow out with compressed air Rinse with water of max 40 C Use only washing powder for delicate fabrics which are usual in the trade Replace the filter mat if there are fatty dusts Do not wring it out and avoid a hard water jet Pay attention to a correct inserting of the filter mat 1 additional equipment 76 of 88 07 2002 Operating Instructions
32. Safety appliances 25 3 2 Temperature limitation 26 3 4 Door switch 27 3 5 Other Safety Appliances 27 4 Erection and installation 29 4 1 Transport 29 4 2 Erection 30 4 3 Erection drawing 33 4 4 Connection of the supply and exhaust air conduction 35 4 5 Electrical Connection 42 4 6 Disassembly 43 4 7 Disposal 43 5 Operation 45 5 1 Working rules Safety notes 45 5 3 Reaction at interruptions 46 5 4 Switchboard 47 5 5 First commissioning 49 5 6 Operation of the unit standard equipment 53 5 7 Operation of the unit additional equipment 57 5 8 Operation of the unit special equipment 67 3 of 88 Section 6 1 6 2 7 1 7 2 7 3 8 1 8 2 10 Title Error diagnosis Failure at restart Operating failures Maintenance Testing and maintenance Repair Cleaning Connection diagram Spare parts list of the switch box Graphic Symbols Spare parts list Documentation tsch Industrietechnik Page 69 69 70 73 73 77 81 83 83 84 85 87 4 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 1 IMPORTANT NOTICE Important notice Read carefully and observe these operating instructions before erecting and commis
33. air Exhaust air off 84 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 9 SPARE PARTS LIST Spare parts list For 400 V 3 60 60 Heater 2 0 kW 230 V E3 63 621 040 Heater free of silicone on demand Motor circulating air fan 16 m min M1 63 510 074 Motor circulating air fan 33 m min M1 60 886 079 Impeller 50 021 560 Impeller stainless steel 50 022 026 Exhaust air fan M2 50 021 081 Door seal silicone 3 4 m 50 021 164 Door seal glass fibre 3 4 m 1 50 017 177 Bearing bushing brass 52 250 225 Door locking complete without closing bar 52 040 121 Door switch S1 50 023 160 Horizontal air guiding gt 52 250 171 conversion kit 1 additional equipment wearing part for 2 year service Subject to changes 85 of 88 Spare parts list Filter mat fresh air filter class 5 Filter cartridge fresh air filter class 13 17 Support bracket shape U 1 piece stainless steel 77 Wire mesh shelf chromium plated Wire mesh shelf stainless steel 1 Grating hot dip galvanised Grating stainless steel 1 Loading tray 1 1 size aluminium coated steel sheet 2 Loading tray 1 2 size aluminium coated steel sheet 2 Loadin
34. air goes out Heating is switched off pilot lamp Heating on goes out Exhaust air is switched on pilot lamp Exhaust air is shining e Close the door Circulating air is switched on pilot lamp Circulating air is shining Exhaust air stays switched on pilot lamp Exhaust air on is shining Heating is switched on pilot lamp Heating on is shining Notes If the circulating air fan does not start again start of the unit the flow indicator Circu lating air has to be checked If during the scavenging time the door of the unit is opened or the key Reset is oper ated the scavenging time passed will be reset and will start again when the unit door is closed 49 of 88 Operation A Otsch Industrietechnik Check of the error message Circulating air e Press luminous push button Heating Heating is connected pilot lamp Heating on is shining e Press the push button Exhaust air off Exhaust air fan is switched off pilot lamp Exhaust air on goes out Pull off every single measuring hose at the flow switch F1 circulating air control rear of switch box pilot lamp Error circulating air is shining Heating is disconnected pilot lamp Heating on goes out Exhaust air fan is switched on pilot lamp Exhaust air on is shining Acoustic error message sounds after a time lag Open the door s Acoustic error message stops Close the d
35. al spare parts are to be used at maintenance and repair work The unit has been designed manufactured and controlled before shipment according to the regulations of the EC Certificate of Conformity Manufacturer s Declaration please see section 10 Documentation page 87 The unit corresponds to the following safety regulations EC machine guideline 98 37 EG Low tension guideline 73 23 EWG Dryers and ovens EN 746 1 safety requirements Safety of machines EN 12100 1 2003 EN 12100 2 2003 Safety in EN 60519 1 EN 60519 2 electric heating installations Electrical equipment EN 60204 1 of units Electromagnetic compatibility noise emission EN 61000 6 4 noise immunity EN 61000 6 2 Dryers and ovens in which flammable EN 1539 substances are released Safety requirements For the safety against explosions the erection and installation is very important as well as a correctly installed and duly functioning ventilation which is to be installed by the customer 7 of 88 Important notice Industrietechnik tsch 1 6 Special marks indication of hazards A gt gt BA If these instructions are not observed this may lead to a hazard for the life of human beings and other living beings of the environment or to damages of the unit or the load ing material ELECTRIC POWER It is used for drawing the attention to electric power Ac
36. all and operate the unit in hazardous areas or rooms Requirements at erecting Standard foundation e Non flammable in a periphery of at least 2 5 m e Flush and horizontal e Free of vibrations e Electrically conductive against electrostatic charging Observe the loading capacity of the floor Weight of the unit in addition to the weight of the charge please observe section 2 4 Technical data page 13 30 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik Erecting room Erection and installation Temperature max 40 C Dry max 70 relative humidity Free of draught e Sufficiently aerated Distance from rear side roof please observe section 4 3 Erection drawing page 33 Supply and exhaust air conductions please observe section 4 4 Connection of the supply and exhaust air conduction page 35 Install the unit horizontally Keep the distances indicated in the erection drawing to avoid fire and local overheating AN of the unit or its surroundings and to guarantee a troublefree operation of it please observe section 4 3 Erection drawing page 33 31 of 88 g n 3 Erection and
37. ally by the operator after checking the drying temperature set at the pertaining operating and loading instructions When restarting main switch on the heating can be connected only after a safety scav enging time 5 times air exchange in the complete vapour space at the minimum extracted air flow rate at closed unit door Minimum extracted air flow rate is according to the flow rate laid out for the maximum dissolvent quantity which may be brought into the dryer for each batch Evaporation mean time is according to the time where the main quantity of dissolvent is evaporating and carried off please observe section 5 2 Main evaporation time page 46 11 of 88 Description ofthe unit sieve o Otsch 2 3 1 Air guiding Conversion to horizontal air guiding Loosen the screws at the rear wall of the interior housing Remove the unperforated rear wall sheet of the vertical air guide Insert the perforated rear wall sheet of the horizontal air guide and fasten the Screws The conversion from horizontal air guiding to vertical air guiding is done in reverse order HH E Tee TE if Vertical air guiding Horizontal air guiding The use of loading trays is only possible at horizontal air guiding 1 additional equipment 12 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operati
38. ammdatei_GB fm 07 2002 ating materials LTU 60 60 Serie 2000 for co PAFM LTU 60 60 Stammdatei_GB fm Operating Instructions for Dryers 6tsch Description of the unit The dependence of to tw has to be taken from the diagram 19 of 88 Description of the unit Calculation sample of the maximum admissible quantity of solvent varnish for a chamber dryer tsch Industrietechnik LTU 60 60 LTU__ __ Total vapour volume V 0 414 m Drying temperature 9 190 Minimum extracted air Q mins 102 m h _ mh flow rate LEL Chey 40 g m g m max concentration Creraim lt 25 ____ Content of solvent of the 60 96 csi 2 varnish Predrying time air t 20 minutes minutes 25 x 40 eel dona SEED m 1 Can op 15 dm 7 d dm adm 100 adm 100 mi ion 100 ud Evaporation time at drying temperature 2 58 _ 2 58 2 _ 2 58 _ to 0136h t So coh Air exchange in the vapour volume bat 3 t 0 00406h i s en V m w m ty 102 v Q ming h h Relation of to to _ 0 0136h _ 3 398 to b ty t 0 00406h HEP d The value for y at t t has to be taken from 0 16 y diagram Max quantity of solvent to be applied M Di g x 293 414m x293 x Mo eu O 16 3781 9 max 273 9 x y 2
39. amp N2 Temperature limit cut out TLC H7 Warning tone generator H6 Pilot lamp Error temperature S3 1 Luminous push button Heating on AO 3 2 Push button Heating off H2 Pilotlamp Error exhaust air 521 Luminous push button Exhaust air on 2 2 Push button Exhaust air off ZNI INI H1 1 Pilot lamp Error circulating air H1 Pilot lamp Circulating air S19 Push button Reset QO Main switch Note If the switchboard is different from this presentation the switchboard is illustrated in the appendix to the wiring diagram 47 of 88 Operation 2492 5 0 00 02 36 33 EIZO Joost e v P2 Temperature recorder Program controller Temperature controller with precontact 1 and time lag relay for treatment time Daily week program time switch 7 Main switch with operating hours meter 1 additional equipment Industrietechnik 48 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik Operation 5 5 First commissioning Th
40. an of the exhaust air system has to be suitable for temperatures of the conveying means occurring For the connection of the device to an exhaust air system with a central extraction a flue interrupter has to be provided in any case A flue interrupter may constructed for example of components of the ventilation tech niques usual in the trade Examples for flue interrupters DN 100 DN 100 ca 10 ca 1 5 2x DN ca 1 5 2xDN 38 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik Dimensioning of the required extracted air flow rate at the flue interrupter The extracted air flow rate at the flue interrupter should be dimensioned as follows Quantities of exhaust air please observe section 2 4 Technical data page 13 Erection and installation LTU 60 60 LTU X Extracted air flow rate 102 ___ Diameter of the exhaust air collar Dean 100 Den mm Area of the exhaust air collar A ES x E Aexh 0 00785 m m Diameter of the flue interrupters 150 Area of the flue interrupter ius x fs Aue
41. aporation time Operation with minimum extracted air flow rate during the main evaporation time AN Switch to reduced extracted air flow rate only after it ran down Loading of the preheated dryer Main evaporation time for Surface coating at least 5 min drying of mould varnish at least 15 min drying of impregnating resin at least 60 min Loading of the cold dryer Main evaporation time for Surface coating time until the working temperature is reached drying of mould varnish time until the working temperature is reached plus 5 min drying of impregnating resin time until the working temperature is reached plus 30 min 5 3 Reaction at interruptions If an interruption is signalised optical or acoustic signal Open immediately the door s of the dryer Do not load the dryer Empty the dryer Switch the main switch only off after emptying the dryer When loading the dryer with products containing dissolvents the corresponding 7 The acoustic signal is surpressed when the door s of the dryer is are opened AN fire extinguishing equipment has to be provided 46 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch 5 4 Switchboard Operation N1 Temperature controller
42. ating materials series LTU is designed and constructed according to EN 1539 When the dryer is loaded with feeding material the and the doors are closed the feeding material in the working space is enclosed in a turbulent stream of circulating air The turbulent circulation takes care of a good and equally distributed heat transfer to the drying goods A defined quantity of exhaust air minimum extracted air flow rate is extracted contin uously from the circulating air flow by an additional exhaust air fan A corresponding volume of supply air is aspirated by the developing vacuum and mixed with the circulating air This air exchange is important for the safety By the air volume fed the mixture of dissolvent vapour air created in the dryer is kept under the lower explosion limit please observe section 5 2 Main evaporation time page 46 The circulating air flow rate and minimum extracted air flow rate are controlled by flow switches operating independently from each other differential pressure flow switches The volume flow mixed with supply air and circulating air is aspirated passing the electri cal heater and fed to the working space by the circulating air fan When the doors of the dryer are open the heating and the circulating air fan are discon nected for the protection of the operating personnel The circulating air are connected automatically when the doors are closed The heating has to be connected manu
43. can be pressed when the control unit is switched off AN please observe section 5 2 Main evaporation time page 46 1 additional equipment 61 of 88 Operation O 1 additional equipment tsch Industrietechnik I End dwEll OFF 7 40 00 06 00 0 1 EIN AUS AUS AUS AUS AUS AUS AUS 20 10 1 Program at delivery program sample i 1 Heat up time ramp 2 Hold time D F t1 Main evaporation time 3 Treatment time f 4 Cool down time ramp i 5 Hold time TE 6 End of program 1 a 3 4 55 7 Treatment temperature 8 Discharge temperature Eurotherm 2404 Prog list PrG n 1 Hb bAnd HbV 10 rmP U Hour dwL U Hour CyCn 1 SEGn 1 SEGn 2 SEGn 3 SEGn 4 SEG n tyEP tyPE dwEll tyPE dwEll StEP tyPE tGt 100 dur 0 1 dur 02 Gt 50 End t out1 8 oFF out1 8 OFF out 1 OFF out 1 on out 1 8 out 2 on out2 8 oFF out3 8 OFF Jumo DICON 1001 PROGRAMEDITOR CODE NR 1000 PROGRAMNR 0 ZEITPLANPROGR 1 ABS EDITIEREN ABS NR 0 1 2 3 4 5 6 SOLLWERT 20 100 100 100 100 100 40 ABSZEIT 00 00 01 00 00 01 00 10 00 00 10 00 00 00 30 00 00 30 00 00 01 ZYKLEN 0 0 0 0 0 0 0 ZIEL ABS 1 1 1 1 1 1 1 STEUERSPUR 1 EIN AUS AUS AUS AUS EIN EIN STEUERSPUR2 AUS AUS AUS EIN AUS AUS AUS STEUERSPUR3 AUS AUS AUS AUS AUS AUS AUS STEUERSPUR4 AUS AUS AUS AUS AUS AUS AUS STEUERSPUR 5 AUS AUS AUS AUS AUS AUS
44. cess to this area is only allowed to skilled electricians NOTE It is used to indicate a support HOT SURFACE The air of the drying space and the parts getting in contact with the air of the drying space may be very hot Wear protective clothing protective gloves INJURIES OF THE HANDS A general danger of injuries like cutting or contusion is indicated Wear protective gloves DANGER OF EXPLOSION An explosion may occur if the instructions are not observed Abbreviations EN Europ ische Norm European Standard EMV Elektro Magnetische Vertraglichkeit Electromagnetic Compatibility UEG Untere Explosionsgrenze Lower Explosion Limit 8 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 2 DESCRIPTION OF THE UNIT Description of the unit 2 Description of the Items Description of the standard unit without additional equipment Door Door lock Door switch Switch box Temperature sensor without representation Bracket without representation Insert 17 without representation Su
45. ch is stored in the installation zone of the dryer for predrying The supply air has to be taken from neutral area which is free of dissolvent If it is not possible to take the supply air at the installation area the unit has to be con nected to the customer s supply air system The connection has to be tight NB 100 The connection at the unit s side must not be loaded mechanically gt The lowest operating temperature of the unit depends the temperature of the supply air fed Lowest operating temperature supply air temperature 20 30 K The supply air fed may guided through a fresh air filter and thus cleaned of particles Filter of class F5 are part of the optional standard accessories 35 of 88 Erection and installation sito A tsch 4 4 2 Exhaust air systems Due to the possibly existing vapours and the thermal load the exhaust air should not be guided into the installation area we recommend the connection to customer s exhaust air system If the unit is operated without an exhaust air conduction the necessary distances to the wall and roof have to be considered Danger of fire please observe section 4 3 Erection drawing page 33 For the discharge of the exhaust air released during the drying and thermal treatment the following has to be considered No possible ignition sources in the in the exhaust air conduction Observation of the valid corresp
46. ction has to be done only by skilled electricians Transport of the dryer please observe section 4 1 Transport page 29 One door has to be removed for safety reasons to avoid the danger of locking up one AN self or somebody 4 7 Disposal Disassembly of the unit for disposal Separation of the electrical connection has to be done only by skilled electricians Transport of the dryer please observe section 4 1 Transport page 29 Special waste There some electrical and electronic components the unit which have to be dis posed of as special waste if necessary If desired we take care of a disposal without endangering the environment Disposal by the user AN If the user disposes of the unit the following has to be carried out The door lock has to be destroyed or one door has to be removed for safety rea sons to avoid the danger of locking up oneself or somebody Carry the special waste to the corresponding appropriate disposal place The nationally and locally applicable regulations for the disposal valid at the time the dis posal have to be observed for the other materials and the special waste 43 of 88 g n 3 Erection and installation 2002 10 Wy gO 9 09 0002 8149S 09 09 N17 sIeus ew Buneoo 10 5 suogonysuj 44 of 88 07 2002 gt gt _
47. e following checks have to be carried out before the first commissioning at the AN empty unit without loading General check Correct connection of the mains supply Correct connection of the supply air and exhaust air lines Check the motor safety devices in the switchbox unlock if necessary e Connect the main switch for a short time and check the sense of rotation of the motors Check the power consumption of the motors N Check up of the circulating air and heating Connect the main switch at doors closed Circulating air is connected pilot lamp Circulating air is shining Exhaust air is connected pilot lamp Exhaust air is shining Pilot lamp Heating off is shining during the scavenging time After 5 times air exchange scavenging time of the vapour space at closed unit door scavenging time please see section 2 4 Technical data page 13 Pilot lamp Heating off goes out Release for heating operation e Set the rated value of the temperature at the Temperature controller gt space tem perature e Press luminous push button Heating on Pilot lamp Heating on went out Heating is connected pilot lamp Heating on is shining e Verify the power consumption of the heating Press the push button Exhaust air off Exhaustair fan is disconnected pilot lamp Exhaust air on goes out Open the door Circulating air is switched off pilot lamp Circulating
48. ecrease the value at the flow switch again by 0 1 mbar after the switch off The correct function of the flow switches circulating air and exhaust air has to be tested after replacing them please see section 7 1 1 Test the flow switches Circulating air and Exhaust air page 73 77 of 88 Maintenance O A tsch Industrietechnik 7 2 2 Temperature limit cut out TLC Replace the damaged temperature limit cut out Setting of the switch off temperature take over the disconnecting temperature of the previous temperature limit cut out Disconnecting temperature please observe section 2 4 Technical data page 13 7 2 3 Door seal and contact pressure of the door Replace the damaged door seal Silicone door seal Loosen only slightly the screws of the interior sheet of the door to change the sili cone door seal remove the defect door seal and install the new seal in the same way Fasten the screws of the interior sheet of the door again Continuous strand door seal Loosen only slightly the screws of the pressing angles at the side of the continu ous strand door seal remove the defect door seal from the groove and install the new seal in the same way Press the pressing angles against the new continuous strand door seal and fasten the screws again Set the contact pressure of the door seal Loosen only slightly the screws of the bushing at the pivot point of the door ali
49. ei_GB fm tsch Industrietechnik Erection and installation 4 4 5 Connection of several units to an exhaust air system with extraction If several units are connected to a common exhaust air system with central extraction they have to be locked against each other in the terms of ventilation techniques and the performance of the extracting fan has possibly to be adapted Example of several devices on one exhaust air system Dryer Flue interrupter Flow switch Shut off slide Butterfly damper Collecting line for flue gas Central extracting fan Disposal of exhaust air Condensate line 10 Shut off valve for condensate 11 Condensate trap 41 of 88 Erection and installation Ylmelusiieteehnik 4 5 Electrical Connection A gt tsch The electrical connection must be done only by skilled electricians Observe the corresponding national regulations for the electrical connection The network conditions have to be in accordance with the data on the nameplate Variations of the mains voltage max
50. entation e Set time lag relay Time schedule Turn the time range set screw B with a small screw driver until the time range selected is shown on display A Turn the setting ring C until the indicator E is set to the selected runtime os After winding up the pointer F jumps to the pointer E When selected the pointer F moves in direction to O The time running can be seen on display D e Connect the main switch Circulating air is switched on pilot lamp Circulating air is shining Exhaustair is connected pilot lamp Exhaust air is shining Pilot lamp Heating off is shining during the scavenging time After 5 times air exchange scavenging time of the vapour space at closed unit door scavenging time please see section 2 4 Technical data page 13 Pilot lamp Heating off goes out Release for heating operation Set the temperature controller For operation please see section 5 6 1 Temperature controller short instruction page 55 Temperature indication at the temperature controller Temperature controller Jumo dTRON 04 1 The precontact reacts at 5 K below the rated value Precontact set by manufacturer gt Set the temperature limit cut out to 10 C above operating temperature For operation please see section 5 6 2 Temperature limit cut out TLC page 56 Load the dryer before or after the heating up depending on the worki
51. ey on STL 70 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik Auftretende St rungen sind unverz glich durch autorisiertes Fachpersonal zu Error diagnosis beheben St rungen werden durch rote Leuchtmelder angezeigt St rmeldungen werden mit einer Blitzlampe rot Sammelst rung 1 angezeigt Werden die Betriebszustande nicht mit wei em bzw St rungszust nde nicht mit rotem AN Leuchtmelder angezeigt zus tzlich Glimmlampe berpr fen Mit dem Aufleuchten eines Leuchtmelders St rung ert nt ein Signal T r Offnen Signal verstummt Hinweise Bei einem Neustart Hauptschalter ein kann die Heizung erst nach einer Sicherheits sp lzeit 5facher Luftwechsel des gesamten Dampfraumes durch den Mindest Abluftvo lumenstrom bei geschlossener Ger tet r eingeschaltet werden Nach dem Beheben einer St rung muss zum Quittieren der St rung der Drucktaster Reset betatigt werden St rung quittiert roter Leuchtmelder der St rung erlischt Sp lzeit lauft ab Nach erfolgter Sp lzeit please see section 2 4 Technical data 13 Freigabe zum Heizbetrieb Leuchtmelder Heizung aus erlischt Sicherheitstechnisches Bauteil bei bleibende
52. for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 7 2 Repair Maintenance After the repair of electrical components a safety test has to be carried out The following has to be verified at this Visual check of the workmanlike execution Insulation resistance gt 1 Protective conductor resistance lt 0 1 Ohm Equivalent leakage current lt 15 mA N 7 2 1 Flow switches and measuring equipment Replace damaged flow switches measuring hoses and measuring sets for circulating air and exhaust air Set the flow switch circulating air Take over the set value of the previous flow switch circulating air Increase the set value of the flow switch about 0 5 mbar until a switch off occurs Error circulating air Decrease the value at the flow switch again by 0 5 mbar after the switch off Set the flow switch exhaust air Set smallest value at the flow switch exhaust air Measure the minimum extracted air flow rate and set it if necessary gt please see section 7 1 2 Test the minimum extracted air flow rate page 74 Heat the dryer up to rated temperature while the exhaust air fan is running Increase the value at the flow switch exhaust air until a switch off occurs Error exhaust air D
53. g tray 1 1 size stainless steel 2 Loading tray 1 1 size stainless steel 2 Flow switch circulating air F1 Flow switch exhaust air F2 Measuring set circulating air Measuring set exhaust air Hose for measuring equipment 6 m Hose clamps for measuring equipment Hose clamps for flow indicator Pt 100 B1 B2 B11 Flexible thermoelement B11 B16 17 Safety Temperature Limiter 300 C STL Flash light orange H82 Flash light red H8 Roll sheet paper for Logoline 500d 1 Folded sheet paper for Logoline 500d 1 additional equipment wearing part for 2 year service tsch Industrietechnik 60 60 53 985 294 50 014 783 52 250 210 52 310 050 52 310 051 52 310 053 52 310 054 52 310 055 52 310 057 52 310 056 52 310 058 50 021 476 50 021 477 53 310 213 50 021 190 53 667 303 53 659 003 53 659 006 63 832 142 50 018 094 50 021 217 50 023 339 50 023 338 on demand on demand Subject to changes 86 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 10 DOCUMENTATION Temperature controller dTRON 04 1 Temperature controller Dicon 1001 Temperature controller 2404 CC CM Recorder Certificate of Conf
54. gn the door in the elongated hole of the bushing and fasten the screws again The contact pressure at the lock side is given by a correct condition of the door lock 7 2 4 Door lock and closing bars Change a defect door lock Loosen the locking screw of the door lock at the interior side of the door Dismantle the door lock Change the defect parts The assembly is done in reverse order 1 additional equipment 78 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik Maintenance 7 2 5 Exhaust air fan Replace defective running out of true or damaged fans Mounting of the exhaust air fan please observe section 4 3 1 Mounting of the exhaust air fan page 34 The repair of fans should be done exclusively by the manufacturer to guarantee a work manlike and proper repair and tested balance 7 2 6 Disassembly of the heating Pm Unscrew the cover sheet at the left side of the unit wall Disconnect and mark the heating contacts Loosen the fastening screws at the lower sheet metal shell of the air guide Remove the sheet metal shell of the air guide Loosen the screws of the offset floor panel Pull the offset floor panel out to the front Loosen the fas
55. heating is released only when the unit runs correctly If the minimum air flow rate is under its minimum value and the circulating air flow fails the corresponding flow switch disconnects the heating permanently and at all poles At the operating phase with reduced extracted air flow the unit is switched additionally to minimum extracted air flow rate Indication of the error by optical and acoustic signal The acoustic signal is surpressed when the door of the dryer is open Rest position monitoring The motors of the ventilators will start only when the flow indicators are working correctly and when they are in the rest position The rest position of the flow indicators for circulating air and exhaust air is checked after every switching on the main switch The rest position of the flow indicators for circulating air is checked after every closing of the unit door with the main switch connected 25 of 88 Safety appliances Industrietechnik 3 2 Temperature limitation A 0 tsch Safety temperature limiter STL Thermal protection as device protection fire protection set firmly at factory intrinsically break proof temperature limiter thermal safety class 1 acc to EN 60519 2 The STL is independent from the control equipment electrically and in its function If the set temperature is exceeded the STL disconnects the heating permanently and at all poles Indication of the error by optical and acoustic signal
56. ing impregnating resin the main evaporation time is equal to the time until the drying temperature is reached plus 30 minutes A shorter main evaporation time can only be accepted when the corresponding safety is proven Predrying losses The predrying loss may be estimated as follows for surface coated parts After an average predrying time of 10 minutes 25 20 minutes 45 96 30 minutes 50 96 of the applicated quantity of inflammable materials solvents The predrying loss may be estimated as follows for mould varnish drying After an average predrying time of 10 minutes 15 20 minutes 25 96 30 minutes 35 96 40 minutes 40 50 minutes 45 96 60 minutes 50 of the applicated quantity of inflammable materials solvents The average predrying time for chamber dryers is half of the time which is needed for coating the goods of one charge plus an eventual waiting time after coating until they are loaded into the dryer 17 of 88 tsch Description ofthe unit estore Calculation of the maximum admissible solvent varnish quantities for a chamber dryer For the calculation of the maximum admissible solvent varnish quantity the lower explo sion limit LEL of the solvent in g m is required If the lower explosion limit LEL of the solvent is indicated in Vol the molar mass g mol is also required for the conversion to g m LEL M nu mol mol LEL amp 3
57. ion is indicated controller 1 Set change the rated value of controller 2 2 Switch over from controller 1 to controller 2 Operate the ENTER key The channel indication changes from controller 1 to controller 2 The setting of the rated value for controller 2 is done in the same way as for con troller 1 For the further operating of the temperature controller please see section 10 Docu mentation page 87 1 additional equipment 2 only for further additional equipment 66 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch 5 8 Operation of the unit special equipment Operation 67 of 88 g n 3 Operation 2002 10 Wy gO 9 09 0002 8149S 09 09 N17 sIeus ew Buneoo 10 5 suogonysuj 68 of 88 tsch Industrietechnik Error diagnosis 6 ERROR DIAGNOSIS N Failures are to be corrected only by expert skilled personnel 6 1 Failure at restart 07 2002 FAILURE CAUSE REMEDY No indication on the control ler display no indication of the pilot lamps No mains or control voltage Check the voltage mains and control fuses
58. ith fuel gas It is only allowed to guide the exhaust air into chimneys if these do not have a connec tion with fire places or other workshops The exhaust air can only be guided into ventilation shafts if these have a fire resistant separation to other workshops 36 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik 4 4 3 Exhaust air systems without extraction Erection and installation The unit has to be connected directly to an exhaust air line at systems without extraction AN It is only possible to connect always one unit to one exhaust air line The total resistance to flow with a NB 100 and a total length of 5 m with 3 tube bends 90 deducting a possibly existing supply air line and fresh air filter should not be exceeded at this O Example for an exhaust air system without extraction Dryer Thermal insulation Exhaust air line Branch Roof bonnet deflector bonnet Condensate line Shutoff valve for condensate Condensation trap 37 of 88 Erection and installation A 4 4 4 Exhaust air systems with extraction Industrietechnik The extracting f
59. ler 2 7 6 Safety temperature limiter STL Unit protection 2 7 7 Temperature limit cut out TLC Jumo iTRON 2 7 8 Door switch Disconnecting of the heating and the circulating air fan when the door is opened 2 7 9 Flow indicator differential pressure switch The circulating air and extracted air flow rates are monitored each by a differential pressure switch 2 7 10Reinforced heating power The heating is equipped with 12 radiators 2 7 11Reinforced circulating air fan Motor of the circulating air fan with double speed 1 additional equipment documentation of the equipment in section 10 Documentation 21 of 88 tsch Description of the unit nene 2 7 12Monitoring unit Monitoring of the main evaporation time independent of the program controller Automatic switching to reduced exhaust airstream after finishing the main evapo ration phase 2 7 13Exhaust air fan The air in the working space evaporation room is exchanged continuously when the exhaust air fan is running minimum extracted air flow rate during the main evaporation time The air exchange is reduced to 25 96 of the minimum extracted air flow rate when the exhaust air fan is disconnected 2 7 14Recorder 1 2 1 channel strip chart line recorder Jumo Logoline 500 4 with fixed resistance thermometer Pt 100 beside the controller sensor 2 7 15Preparation of the recorder with fixed resistance thermometer Pt 1
60. maximum admissible quan tity of dissolvent The loading of the dryer has to be done only if the technical ventilation is active Never operate with lacquers made basically of epoxy resin and nitro cellulose at the same time Hazard of spontaneous ignition When working with nitro cellulose lacquers set the temperature controller and the tem perature limit cut out in such a way that the temperature on the material to be dried is not higher than 130 C When loading the dryer leave 25 of the flow cross section free The maximum workplace concentration MAK values have to be observed and a suffi cient air exchange in the installation room has to be taken care for Keep the working space and equipment exhaust air line etc clean Remove thoroughly loading residues Fire hazard Keep the dryer free of combustible objects and materials and also don t leave these on the dryer gt gt The floor of the working space is not to be loaded Total load of the notched rails please observe section 2 4 Technical data page 13 45 of 88 Otsch Operation Industrietechnik housing and at the piping of the fresh and exhaust air lines There is a risk of burning oneself on the inside of the door when it is opened and at the equipment inside loading material There are higher temperatures in the region of the door at heat bridges of the exterior Recommendation Use suitable protection equipment 5 2 Main ev
61. n evaporation time page 46 gt Press the push button Exhaust air off for that After switching off the exhaust air Switched to reduced extracted air flow rate Exhaust air fan is disconnected pilot lamp Exhaust air on goes out 53 of 88 Operation gt tsch Industrietechnik After the heat treatment or for cooling down the dryer e Press the luminous push button Heating or the luminous push button Exhaust air on Heating is disconnected pilot lamp Heating on goes out Exhaust air fan is switched on pilot lamp Exhaust air on is shining Open the door Circulating air is switched off pilot lamp Circulating air goes out Heating is disconnected pilot lamp Heating on goes out Exhaust air fan is switched on pilot lamp Exhaust air on is shining e Empty the dryer Close the door Circulating air is switched on pilot lamp Circulating air is shining Exhaust air stays switched on pilot lamp Exhaust air on is shining Shut down To save the aggregates installed it is not allowed to switch off the unit before it is cooled down under 150 C Empty the dryer Switch off the main switch The dryer is switched off 54 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU
62. nd the coated surface of the parts to be dried for each case please observe section 2 5 Quantities of Dissolvent page 15 The solvent quantities may be also calculated again for establishing a loading instruc tion please observe section 2 6 Calculation of the solvent quantities page 17 The contractor has to make the instruction book and the loading instructions available to the operating personnel and has to secure its observance by e g regular training instruction of the operators 6 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 1 5 Guarantee Important notice N The unit must not be changed in the version as it was supplied by us A guarantee will only be granted if you act according to the directions of these Operating AN Instructions The processes of development production and shipping are according to the regulations of DIN ISO 9001 The safety and serviceability of the equipment is only guaranteed if the necessary checks and repair works are carried out either by expert skilled personnel or by our serv ice people Maintenance and cleaning may be carried out by customer s specialised people please see section 7 Maintenance page 73 Only origin
63. ng Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik 2 4 Technical data Description of the unit 60 60 Interior space working space m 0 216 Interior dimensions Width mm 600 Height 600 Depth 600 Exterior dimensions Width total mm 796 Height 1700 Depth 850 Loading carrying capacity Interior housing total kg 150 reinforced gt 300 Floor surface load kg reinforced 1 EE Wire mesh shelves 12 quantity max 10 concentrated load kg 20 surface load Gratings concentrated load kg 50 surface load 200 Weight net kg 275 Minimum extracted air flow rate m h 90 Reduced extracted air flow rate 22 5 Scavenging time 5 times air exchange sec 90 Circulating air flow rate standard m h 16 reinforced 1 33 Total vapour volume m 0 414 1 additional equipment 13 of 88 tsch Description of the unit Inaustrietecnnik 60 60 Sound pressure level acc to DIN 45635 dB A lt 70 Disconnecting temperature Safety Temperature Limiter STL C 300 Temperature limit cut out TLC 200 Temperature Safety Class acc to EN 60519 2 Safety Temperature Limiter STL 1 Temperature limit cut out TLC 2 Nominal temperature C 200 Electrical data for differing data please see nameplate Rated voltage frequency 1 8 400 3 N PE 50 60 Rated current A 11 0 Rated power kW
64. ng depend on the operating conditions Cleaning only when the unit is cold Use only usual in the trade household detergents Take care of a sufficient venting during the cleaning Do not use combustible toxic or acidiferous detergents Set the dryer in operation only after a sufficient venting Recommendation Use suitable protection equipment 1 additional equipment 81 of 88 g n 3 2002 10 Wy gO 9 09 0002 8149S 09 09 N17 sIeus ew Buneoo 10 5 suogonysuj 82 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 8 CONNECTION DIAGRAM 8 1 Spare parts list of the switch box inthe connection diagram appendix Connection diagram 83 of 88 Connection diagram 82 Graphic Symbols o o cC U Ae kK Net 1 ey a Start Stop Automatic operation en ETE End of program Start of program Limitation of maximum value of temperature Failure 1 amp N D D Reset Acoustic signal Acoustic signal off Ventilator Butterfly damper Recorder tsch Industrietechnik Clock Illumination Lamp test Observe accompanying documents Heating Heating off Air Circulating air Exhaust
65. ng process please observe section 5 2 Main evaporation time page 46 The dryer can be loaded only when the technical ventilation circulating air and exhaust air is in operation and stays in operation until the drying is finished gt gt gt e Press luminous push button switch Automatic operation pilot lamp Automatic operation is shining e Press luminous push button Start time schedule Time lag relay Time schedule wound up e Press luminous push button Heating on Heating is connected pilot lamp Heating on is shining 1 additional equipment 57 of 88 Operation A tsch Industrietechnik Before reaching the operating temperature 5 C the precontact switches on Time lag relay Time schedule is selected hold time starts running Pilotlamp Start time schedule is shining For economic reasons the dryer may be switched to the reduced exhaust air ope ration when heating up the unloaded dryer when the main evaporation time of the loaded dryer ran down please observe section 5 2 Main evaporation time page 46 Press the push button Exhaust air off for that After switching off the exhaust air Switched to reduced extracted air flow rate Exhaust air fan is disconnected pilot lamp Exhaust air on goes out When the set treatment time ran down 1 Heating is disconnected pilot lamp Heating on goes out Exhaust air fan is switched
66. o the thermal insulation Safety against explosions The safety against explosions in the working space is achieved by a technical ventilation and by the limitation of the quantity of dissolvent Minimum extracted air flow rate The air in the working space is exchanged continuously 100 flow of exhaust air during the main evaporation time Reduced extracted air flow rate The reduced extracted air flow rate is at least 25 96 of the minimum extracted air flow rate when the exhaust air fan is disconnected Control of the circulating extracted air The circulating extracted air flow rate is controlled by flow indicators which are separa ted and operating independently from each other Pick up of material Notched rails mounted at the side for the pick up of angular supports Different kinds of inserts wire mesh shelves gratings loading trays etc may be placed on the angular supports The floor of the working space is not to be loaded Total load of the notched rails please observe section 2 4 Technical data page 13 1 additional equipment 10 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 2 3 Function Description of the unit The drying chamber for co
67. ocumentation page 87 7 1 Testing and maintenance The device and its safety appliances have to be tested by an expert regularly and AN at appropriate intervals but at least once a year the temperature limit cut out even monthly We recommend to document the tests proof in a test book or in an EDP documentation The test may be shown by a badge N 7 1 1 Test the flow switches Circulating air and Exhaust air The tests of the flow switches are to be carried out only by qualified persons Test the measuring hoses and measuring sets for circulating air and exhaust air for free passage and clean them if there is condensate in them Test the function of the flow switches for circulating air and exhaust air individu ally Pull off every single measuring hose of the flow switches when the unit is switched on and check the error message circulating air exhaust air error If the function of the flow switches is OK the optical and acoustic error indication has to react and the heating has to switch off if it was connected before Reconnect the measuring hoses correctly Press the push button Reset on the switch box Scavenging time passes Replace damaged measuring hoses and measuring sets for circulating air and exhaust air or damaged flow switches 73 of 88 Maintenance A gt tsch Industrietechnik 7 1 2 Test the minimum extracted air flow rate The test of the minimum extracted air flow
68. omatic switching to reduced exhaust air operation Safety circuit In the case of a faulty programming or in case of an error in the program controller Keep to the main evaporation time set related to the set drying temperature and auto matic switching from minimum extracted air flow rate fresh air to reduced extracted air flow rate circulating air only after the controlled main evaporation time has passed 3 4 Door switch When the door is opened the heating and the circulating air fan are disconnected and AN the exhaust air fan is connected by the door switch When the door is closed the circulating air fan is connected again by the door switch After checking the drying temperature set the heating has to be connected manually pressing a key according to the corresponding Operating Loading Instructions 3 5 Other Safety Appliances Main switch Main switch lockable by a padlock Protective motor switch Overload and short circuit protection of the ventilator motors and the control voltage by protective motor switches gt gt Floor anchoring When the unit is equipped with retractable inserts on telescopic rails it is necessary to anchor the unit at the rear side on the floor to avoid a tilting of the unit to the front side due to the weight of the inserts pulled out gt 1 additional equipment 27 of 88 tsch Industrietechnik Safety appliances 2002 10 Wy gO 9 09
69. onding national regulations related to the emission values f necessary use exhaust air treatment processes as e g thermal or catalytic post combustion installations TNV KNV etc e The pipes of the exhaust air system have to be of incombustible material e g metal They have to be installed in a way that no fire hazard could emerge from the develop ing temperature Surface temperatures T urace operating temperature lt nominal temperature A sufficient thermal insulation has to be provided e g pipe casing of mineral fibre A measuring orifice d 40mm has to be installed in the exhaust air conduction at a suitable or accessible place in a straight tube section about 1m behind the exhaust air collar This measuring orifice is necessary for the control of the extracted air flow rate during the maintenance checking and service work At the conduction installation care has to be taken that it is not possible that deposits build up and that an easy cleaning of the exhaust air line is possible Revision orifices possibility to dismantle sections etc By the installation of the pipes for exhaust air it has to be granted that eventually existing condensate will not run back to the unit Install the exhaust air conduction if possible with approximately 296 falling gradient from the unit and drain the condensate specifically into e g a condensate trap The exhaust air of the unit must not be brought together w
70. oor s Acoustic error message sounds Push the measuring hoses on again at the flow switch F1 and fix them circulating air control rear of switch box Press push button Reset Pilot lamp Error circulating air goes out Acoustic error message stops Scavenging time will run down again Press luminous push button Heating on Heating is connected pilot lamp Heating on is shining Press push button Exhaust air off Exhaust air fan is switched off pilot lamp Exhaust air on goes out 50 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik A Operation Check of the error message exhaust air Press luminous push button Exhaust air on Exhaust air fan is switched on pilot lamp Exhaust air on is shining e Press luminous push button Heating Heating is connected pilot lamp Heating on is shining Pull off every single measuring hose at the flow switch F2 exhaust air control rear of switch box Pilot lamp Error exhaust air is shining Heating is disconnected pilot lamp Heating on goes out Exhaust air fan is switched on pilot lamp Exhaust air on is shining Acoustic error message sounds after a time lag
71. ormity Manufacturer s Declaration CE Service points 1 additional equipment Documentation Jumo Jumo Eurotherm Jumo Votsch Votsch 87 of 88 Documentation 6 gt tsch Industrietechnik Manufacturer s address V tsch Industrietechnik GmbH Umweltsimulation W rmetechnik D 35447 Reiskirchen Lindenstruth Greizer Str 41 49 Telephone 06408 84 73 Telefax 06408 84 8747 Internet http www v it com email info wt v it com Service address Hotline W rmetechnik V tsch Industrietechnik GmbH Service Leitstelle D 35447 Reiskirchen Lindenstruth Greizer Str 41 49 Telephone 06408 84 0 Telefax 06408 84 8718 email sevice v it com Please indicate the data on the nameplate for checkback and spare part orders The information and statements of the German Operating Instructions are binding upon translations in other languages V tsch Industrietechnik GmbH Subject to technical change 88 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm
72. pply air fitting Exhaust air fitting Motor with fan impeller circulating air 11 Heater 12 Exhaust air fan 13 Flow indicator exhaust air circulating air 14 Safety Temperature Limiter STL without representation 15 Floor sheet without representation 1 additional equipment 9 of 88 Description ofthe unit siete 2 2 Structure Otsch Thermal insulation The drying chamber for coating materials is a double wall construction of steel metal sheet and heat insulated with mineral fibre 80 mm Circulating air A good distribution of temperature and flow in the working space of the unit is given by a high flow rate of circulating air A hot gas ventilator is installed under the floor of the working space Heating The electrical heating is done by tubular heating element of stainless steel material 1 4828 Temperature regulation The temperature of the working space is controlled by an electronic temperature regulat ing system with semiconductor switching elements Vertical air guiding The air entry is at the top side of the working space and the air extraction is at the bottom of the working space Horizontal air guiding The air entry is at the rear side of the interior space with an air stream to the front side The air extraction is at the bottom of the working space Interior housing The housing is welded tight to avoid the penetration of dissolvent fumes int
73. r St rung R cksprache mit einer V tsch AN Servicestelle R ckstellung erst nachdem Gerat um ca 50 C abgek hlt ist 1 additional equipment 71 of 88 g n 3 iagnosis Error d 2002 10 Wy gO 9 09 0002 8149S 09 09 N17 sIeus ew Buneoo 10 5 suogonysuj 72 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 6tsch Industrietechnik 7 MAINTENANCE Maintenance The safety and serviceability of the equipment is only guaranteed if the necessary checks and repair works are carried out either by expert skilled personnel or by our serv ice people We recommend to sign a service and maintenance contract with our service department The maintenance and cleaning work may be done by an expert user Expert is a person who by his technical education and experience has sufficient knowl edge in the section of the heating and drying cabinet and is familiar with the correspond ing workers protective regulations and the regulations and standards Switch the main switch off before you start with the maintenance and repair work and secure it against reconnection gt Please indicate the data of the nameplate if you contact us for questions or spare parts orders Service address please see section 10 D
74. rogram at multi program controller Operation Reset program and select program no Shutoff program controller Reset program at the program controller Open the door Circulating air is switched off pilot lamp Circulating air goes out Heating is disconnected pilot lamp Heating on goes out Exhaust air fan is switched on pilot lamp Exhaust air on is shining Empty the dryer Close the door Circulating air is switched on pilot lamp Circulating air is shining Exhaust air stays switched on pilot lamp Exhaust air on is shining To save the aggregates installed it is not allowed to switch off the unit before it is cooled down under 150 C o e Empty the dryer Switch off the main switch The dryer is switched off Note If the temperature limit cut out is set 15 K 15 C above operating temperature the exhaust air is not switched off gt The temperature limit cut out has a fix precontact set to 15 K 15 C below switch off temperature which selects the time lag relay when its temperature is reached If the setting of the precontact is too high the time lag relay of the control unit will not get the release to run down since the precontact temperature is not reached At every new start of the program the control unit has to be started again When the control unit is switched on the exhaust air cannot be switched off manually The push button Exhaust air
75. rs are guided on plugs clamps e Switch on the switch Recorder recorder is switched on measuring of the temperatures is started Switch off the switch Recorder recorder is switched off measuring of the temperatures is finished 1 additional equipment 63 of 88 Operation A tsch Industrietechnik 5 7 4 Time switch Connecting of the dryer by a switch clock is only allowed at unloaded dryer Automatic connection and disconnection of the unit by day program clock 24 h or by week program clock 168 h Running back up approximately 150 h to bypass power failures e For automatic operation with clock switch on luminous push button Clock operation Pilot lamp Clock operation is shining Note The switch in the program disc I O has to be in position clock operation The switching position is for continuos operation connected The switching position O is for continuos operation disconnected Set the time time of the day and weekday For the coarse setting turn the program disc in direction of the arrow and for the fine setting turn the minute hand further in direction of the arrow Set the switching program Switch on duration engage the switching slider outwards Switch off duration engage the switching slider inwards Day program clock 24 h Switching steps at least 15 min Week program clock 168 h Switching steps at least 2 h Clock connected
76. tal drive screws 4 Connect the flexible tubes 8 with the connecting collar and observe the polarity and 5 Install the flexible tubes 8 in such a way that they are protected against a heating up by the pipe bend 1 or the exhaust air fan 4 Make the electrical connection 1 Guide the end of the cable through the screw joint and fasten the screw joint 2 Fasten the cable lugs to the indicated terminals Colour of the cable blue brown black green yellow Terminal U1 V1 W1 PE 34 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 4 4 Connection of the supply and exhaust air conduction Erection and installation e The connection of the supply and exhaust air conduction s has to be done only by qualified persons The total length of the directly connected supply and exhaust air conduction s AN NB 100 should not exceed 5 m with max 3 tube bends 90 R gt D An additional extension of the conduction s reduces the extracted air flow rate e Supply and exhaust air conduction s have to be installed separated from each other 4 4 1 Supply air systems vapours Special consideration has to be given to the effects of coated material whi
77. tening screws of the heating Remove the heating to the inside The assembly is done in reverse order 7 2 7 Disassembly of the circulating air impeller with motor Loosen the fastening screws at the lower sheet metal shell of the air guide Remove the sheet metal shell of the air guide Loosen the screws of the offset floor panel Pull the offset floor panel out to the front Loosen the connecting screw of the impeller at the motor shaft Loosen the impeller from the motor shaft with a tool The impeller stays still loose on the motor shaft Tilt the unit Disconnect and mark the motor contacts Loosen the fastening screws of the motor Take the motor out and remove the loosened impeller from the motor shaft The assembly is done in reverse order When disassembling the heating and the fans or replacing the door seal special atten tion has to be paid to the hazard of injuries by contusion or cutting Recommendation Use suitable protection equipment For further repairs Contact a service point of V tsch see appendix Notice AN When disposing of a dryer the door has to be removed for safety reasons to avoid the danger of locking up oneself or somebody please observe section 4 7 Disposal page 43 79 of 88 Maintenance Industrietechnik A tsch 7 2 8 Filter 7 The soiling of the filters depends very much on the conditions at the erection place ofthe unit The time in
78. tervals for the necessary replacement are determined by the respective operating conditions The filter has to be changed when the differential pressure is the double of that at the beginning Fresh air filter Fresh air filter class F 5 according to EN 779 Disassembly of the filter mat Loosen the clamping screws of the exterior lattice Remove the exterior lattice Remove the polluted filter mat The inserting of the new filter mat is done in reverse order Push the mat under the border of the bottom and the top side 1 additional equipment 80 of 88 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm 07 2002 Operating Instructions for Dryers for coating materials LTU 60 60 Serie 2000 PAFM LTU 60 60 Stammdatei_GB fm tsch Industrietechnik 7 3 Cleaning A 5 gt gt Maintenance Before cleaning the unit switch off the main switch and lock it against re connection Clean the working space and equipment the exhaust air lines and circulating air exhaust air measuring sets Clean the filter of the switchbox cooling regularly to guarantee an overpressure in the switchbox This prevents the penetration of dust If equipped with a filter for fresh circulating air please observe section 7 2 8 Filter 80 Remove thoroughly coating residues The time intervals for the necessary cleani
79. untime please observe section 5 2 Main evaporation time page 46 cag After winding up the pointer F jumps to the pointer E When selected the pointer F moves in direction to O The time running can be seen on display D Lock the protection cover of the time lag relay to exclude an unauthorised reset ting 1 additional equipment 59 of 88 Operation A gt e gt tsch Industrietechnik Select the number of program on multi program controller e Entering the temperature time program please see section Program at delivery program sample 1 page 62 The operating temperature and the main evaporation time are programmed in the first program section This time has to be programmed a little longer than the time of the time lag relay of the Control unit Rated value curve Contacts depending on the segment Channel control contact 1 Exhaust air on Channel control contact 2 Exhaust air off Channel control contact 3 End of program Load the dryer before or after the heating up depending on the working process please observe section 5 2 Main evaporation time page 46 The dryer can be loaded only when the technical ventilation circulating air and exhaust air is in operation and stays in operation until the drying is finished Only by authorised personnel Press the keyswitch Control on Control unit is ready
80. y 16 More key 1 additional equipment 65 of 88 tsch Operation Industrietechnik Jumo DICON 1001 25 programs integral time switch Upper display real value Lower display rated value Channel indicator controller 2 Programmable display Status of program Programmable display Residual program time Indication of the output connected 7 Indication at automatic manual operation 8 Programming key 9 Exit manual key 10 Automatic operation key 11 Digit key 12 More key 13 Enter key Standard indication The real value is in the upper display The rated value is in the lower display The controller operation is indicated controller 1 Atcascade regulation the channel indication changes between controller 1 and controller 2 Set change the rated value of controller 1 Operate the PGM key The rated value is shown on the matrix display Operate the Digit key A digit of the rated value on the matrix display is blinking Operate the More key Less key The value of the digit on the matrix display is changed Continue to operate the Digit key the More key and the Less key until the desired rated value is shown Operate the ENTER key The blinking of the digit on the matrix display is stopped The rated value in the lower display is taken over The rated value is stored Operate the EXIT key The controller operat

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