Operating instructions
Contents
1. Air speed level is stored and the display then goes dark Note With air speed level lower than 100 a swelling noise is generated by the ventilator 50 042 750 19 35 4 OPERATION Fig 1 4 Exampl e of a hot air sterilization process P4 P S 1 S 4 Programmsegment The heating is to switch on in 8 hours the unit should heat up to 190 C at 200 C h maintain this temperature for 4 hours then switch off The program should start following program selection P o n Starting up with added feature programming functions Instruction Key s Example of display Remarks Switch unit on select operating temperature refer to start up with basic functions Adjusting the overtem perature protection device refer to Chapter 3 Control unit off unit approx 3 Status display oFF should not heat up Y sec A control unit is disabled inside during this input I III temperature is displayed Call fixed program t approx 6 Display flashes program memory se sec Il _ segment S1 appears after 6 I SEC Select parameter Pl 3 sel I Programmable digit flashes P I is displayed if no parameter has been marked p Programmable digit flashes Mark P I 3 as the required pa2. DATA Model UT6P UT12P UT 20 P Unit THERMAL Warm up times fresh air mode unit empty air flap open to 98 of the operating temperature Operating 70 C 10 10 10 min temperature 150 25 20 25 min 250 C 55 40 55 min Cool down times circulating mode unit empty air flap closed to 50 C Operating 250 C 120 150 180 min temperature 150 lt C 90 120 140 min 70 C 40 50 50 min Recovery times unit empty door open 60 s to 98 of the operating temperature Operating 70 C 2 2 2 min temperature 150 C 5 6 7 AA 250 C 9 8 11 min Heat radiation to surrounding areas at a room temperature of 25 C Operating 70 C approx 0 16 approx 0 19 approx 0 2 kW temperature 150 C approx 0 43 approx 0 45 approx 0 6 kW 250 C approx 0 7 approx 0 85 approx 1 1 kW VENTILATION Air volume flow inside the chamber Air flap closed at25 C 2 7 4 7 4 8 m min Air flap opened at 25 C 3 7 5 1 5 1 m h Rate of air replacement Air flap opened at 250 C 50 40 20 h Exhaust air volume flow Air flap opened jat 250 C 6 5 10 1 10 1 m h Speed of exhaust air 1 44 2 23 2 23 m s Air outlet air inlet Y 40 40 40 mm Flue gas temperature at duct at 250 C 250 250 250 C NOISE in accordance with DIN 45 635 Sound level 20 uPa 47 54 54 dB A Sound power level 1 pW 60 68 68 dB 32 35 50 042 750 6 TECHNICAL DATA DATA Model UT6P UT 12 P UT 20 P Unit ELECTRICAL rated val
3. gt 20 ms up to approx 2 h and regulates on set stopped inside continued at the last return of power temperature temperature will be temperature time flashing displayed values Step to next program segment when set temperature undepending on is reached temperature Display accuracy lt 5 C according to center of inner chamber Component Materials used Outer casing Galvanized sheet steel painted RAL 9002 Heat sink rear panel Aluminium Inner chamber Stainless steel material No 1 4301 Components fitted in the chamber Stainless steel material No 1 4301 Trays Chromium plated steel wire Door seal Seasoned silicone rubber Door bearing PA glass fiber reinforced Door handle PA glass fiber reinforced Control unit ABS Switchgear unit PC glass fiber reinforced Operator control membrane PVS printed polyester foil Feet PPN Thermal insulation Mineral fiber wool Filling medium overtemp protection device Polydimethyldisiloxane Leads PVC sheathed copper wire Electronic electrical components Encapsulated components coated with various plastics some mounted on glass fiber reinforced PCBs with epoxy resin Heating element Stainless steel tubing filled with magnesium oxide and heating conductors Fibrous materials used for insulation are classified as health hazards in some countries Although the fibers which may be released into the environment during normal operation do not constitute a serious risk greater more hazardous quantitie
4. 2 020 c cece eens 4 6 Explanation Of ICONS ooooocccccccccc enn eee needed eden es 4 General information ccc nn enn E ne TRAE OREERT een ees 5 Operating inStruCtiONS 0c cece ened nde n tenet eens 5 Field of application suscritas its aaa 5 Salety INSTUCUONS gt a tyke Reais De eee Sh ee Le ae Sp aed Ue ia 6 2 SETUP AND INSTALLATION vedn deia ai dd debe ete ede eee ee eae 7 9 TLadsport rt o A a IA ei r Aa ade 7 Unpacking TRSUNI ici Er ete ew ee oda lee eee Eade er 7 INStallatiOn osor A A loan evade A A AA eae MMe ened 7 ROOM Ventilation erara aae rr 8 Mams CONNECTION 2 0 2 nn nnn een ended needed ene eas 8 Noe ASUMA cass a A A ac 8 Connecting to an air extraction system 1 need tne eee eens 9 3 UNIT SPECIFIGATION onic ieee eek endive nbd ei aaa daa 10 17 Overview of the control elements 00 c cece nr 10 SWITCH GSA UM ricos A a aaa heeds 10 ON POR SWiGh 205 A n dare 10 Overtemperature protection device 2 0 2 6 ccc cece ene nee nee rnnr 10 11 Fresh air flap control 2 2 2 2 0 ccc eee cee een ened ene eee eens 11 Automatic Control Unit 2 2 6 nen e eR RAOR R EERE ESRA EEA A 12 Signal lamps status function 00 cece rruna nran eee eens 12 Basic functions temperature control time switch air speed adjustment 20 20eee eee 12 Added feature programming functions fixed prograMS ccc cece cece n tence eenas 13 Fixed program segment
5. Assigning a parameter 0 9 causes the unit to heat up to the preset operating temperature at a specific rate of temperature change per hour Selectable parameters in this program segment Pes et Pye eae 021233 0912549 ieee to 122269 0023 49 121258 1125249 off 10 C h 20 C h 30 C h 40 C h 50 C h 60 C h 80 C h 100 C h 120 C h 200 C h Program segment P 3 n n 0 9 Assigning a parameter 0 9 causes the unit to heat up to the preset operating temperature to maintain this temperature for the preset period and to subsequently switch off heating and ventilation Selectable parameters in this program segment RI ese St ese ZARES RIRS AER SARS OEE SA EERS ech off 15 min 30 min th 15h 2h 4h 6h 8h 12h 24h Program segment P 4 n n 0 9 Assigning a parameter 0 9 causes the unit to cool down from the previously reached inside temperature at a specific rate of temperature change and to subsequently switch off heating and ventilation Selectable parameters in this program segment PARAO ee EAER ARS ERATARA RAER ERASER off 1T h 2 C h 5 h 10 C h 20 C h 30 C h 40 C h 50 C h 60 C h 80 C h 1 according to model and load Compilation of a fixed program After activatin
6. Power failure gt 20 ms with subsequent restoration the heating switches off P ro alternates with the temperature inside the unit on the display if a program is in progress it is interrupted and must be started again Program segment when entering and activating the programmed controller function hold Termination command when entering the programmed controller function the temperature set for the last program segment is maintained on termination of the program StOP Termination command when entering the programmed controller function the heating and ventilation is switched off on termination of the program CYCL Termination command when entering the programmed controller function when the program is terminated it returns to the beginning and starts again A termination command is entered for this program segment when entering the programmed controller function The termination command must be changed to a time value to enable the input of a temperature value Stored data defective Switch the unit off and on again If the problem persists contact the service center Error of measurement in the reference values contact the service center Upper limit violation of actual temperature tolerance contact the service center Lower limit violation of actual temperature tolerance contact the service center Temperature sensor or input defective contact the service center
7. Stored data defective contact the service center Erroneous reference values contact the service center 50 042 750 17 35 4 OPERATION After setup and installation proceed as follows to start up Starting up with basic functions without programming Instruction Key s Example of display Remarks Switch unit on On Off switch on The green status display MH I indicates the status Display panel inside temperature The unit runs through a self test phase after switching on display 888 If the off status was selected for the previous operating phase the display alternates between the temperature inside the cabinet and the oFF status Selecting the control unit status function Control unit on approx 3 SS Inside temperature green heating and sec _Il_ tf signal lamp lights up ventilation enabled I LII continuously Select this status function gt to operate the unit or gt to use the time switch function to switch the heating and ventilation off after a preset period Control unit off approx 3 Inside temperaturealternating heating and Y sec eo fh ane with off green signal lamp ventilation disabled I LII remains dark Select this status function gt to switch the heat
8. displays time remaining Increase preset time Reduce preset time d bl la Value can be adjusted between 1 minute and 99 hours Adjustable in full hours from 10 0 hour setting The heating is switched on or off according to set status once timing period has expired e g control unit status off time switch function switches on Store new preset time value The time value is transferred to the memory the inside temperature then appears on the display to 0 00 The flashing status display indicates that the time switch function has been activated In this case the status of the control unit on or off can t be changed if desired the switching time has to be set If you do not wish to use the time switch function enter 0 0 0 as the preset time Selecting the air speed level Display the preset air speed level vent Preset air speed level Display flashes speed symbol Increase preset air speed level Value increases e g 70 100 Display flashes speed symbol Reduce preset air speed level Value decreases e g 70 40 Display flashes speed symbol Store new preset air speed level vent ay pl
9. OPERATION Fig 4 4 Example of the programmed controller function with CYCL termination command A ns lt CYCL Starting up with the programmed controller function The CYCL termination command has been selected here as an alternative to example 2 4 Enter the preset temperature time and air speed level values for the program segments according to the same procedure as example 2 4 Instruction Key s Example of display Remarks Select program n 5 is displayed segment n 5 A programmable digit flashes Select the CYCL termination command Termination command flashes in the display Lv LA Enter the CYCL termination command Transfer the termination command to the memory n 5 is displayed programmable digit flashes Leave the program memory and start the program 50 042 750 27 35 4 OPERATION E Operating guidelines Remember to put on protective garments e g gloves goggles mask body protection remove any items of jewellery before starting work Do not cover or obstruct the ventilation or exhaust vents in the unit housing Always keep these vents free of dust and dirt Loading Circulating air conducts the heat to the sample
10. accessories may be used The use of other parts may result in unforeseen problems and should be avoided under all circumstances Approved spare parts accessories Spare part accessory Kendro order number Size model UT6P UT 12 P UT 20 P Instruction manual 50 043 079 Circuit diagram 1 PE AC 230 V 208 V 50 041 987 Circuit diagram 1 PE AC 120 V 50 040 640 Wire tray with supporting straps 50 042 916 50 042 917 50 042 918 Stainless Steel perforated shelf with supports 50 044 611 50 044 612 50 044 613 Seasoned silicone rubber door seal 50 042 499 50 042 484 50 042 351 Stacking frame 50 042 906 50 042 907 50 042 908 Support frame 780mm high 50 045 045 50 045 046 50 045 047 Support frame 300mm high 50 045 049 50 045 050 50 045 051 Foot 50 042 541 Clasp for the door latching mechanism 50 042 284 Other spare parts and accessories to order 30 35 50 042 750 6 TECHNICAL DATA DATA Model UT 6P UT 12 P UT 20 P Unit MECHANICAL Dimensions Housing 552 x 700 x 685 696 x 850 x 685 754x 910x865 mm WxHxD Chamber 408 x 459 x 334 552 x 610x334 610x 672x514 mm Useful space 326 x 367 x 275 441 x 488 x 267 488 x 537x411 mm Minimum Left 50 mm clearances to Right 50 mm a
11. commercial or industrial sector schools universities hospitals and biology The unit is equipped with an independent overtemperature protection device which means that it does not require constant supervision The heating unit has been designed for continuous use Make sure that an adequate clearance is maintained between the inside walls of the inner compartment and the loaded articles and between the various layers of loaded articles to prevent uneven heating of the materials Protective gloves goggles etc must be made available to the operator because of the potentially high operating temperatures The unit must not be used to dry or heat substances which may release combustible gases or vapours into the atmosphere which could burn or explode when mixed with air The heating unit is equally unsuitable for the heat treatment of combustible dusts or fibrous materials 50 042 750 5 35 6 35 GENERAL SAFETY INSTRUCTIONS Safety instructions Comply with the instructions in this manual and keep it in the vicinity of the unit These units must be operated in accordance with the instruction manual and may only be used for their intended applications in order to ensure the safety of personnel the environment and the processed items and materials Read the instruction manual carefully and comply with the instructions that it contains to avoid making mistakes and to prevent any peronal injury or damage to property Unit must be
12. flow Heating cabinet Adjacent surface object Exhaust air blower Exhaust air flow Draft breaker oOahRWNM Implementation instructions A draft breaker must be used to connect the unit to an extraction system All flue ducts must be made of fireproof materials Apertures must be provided to enable the removal of residue and condensate The flue ducts must be thermally insulated recommendation half shell sleeves made of laminated mineral fiber m The exhaust air gases from the unit must never come into contact with combustion ex haust gases Use the draft breaker to adjust the air flow volume in such a way that exhaust gases can be extracted reliably without producing any eddying at the unit s exhaust gas connector Technical measures should be implemented to monitor the flow of air and flue gases and to prevent operation of the heating unit if the ventilation system is switched off defective electrical interlock 50 042 750 9 35 3 10 35 UNIT SPECIFICATION Fig 1 3 Overview of the control elements C A Switchgear unit B Automatic control unit C Door handle B A Item A Switchgear unit Fig 2 3 Switchgear unit control panel 2 1 On Off switch 2 Overtemperature protection control element 3 3 Fault signal lamp 4 Fresh air flap adjustment 1 ON OFF switch To switch the unit on and off on Unit switched on the temperature inside
13. in stages of approx 40 approx 70 and 100 Refer to STARTING UP WITH BASIC FUNCTIONS for information about the commands for the basic functions 50 042 750 UNIT SPECIFICATION Added feature programming functions fixed programs The control unit is capable of running heating process programs with fixed preselected parameters from a database The program segment and the parameters are stored in the database The fixed program contains a maximum of four program segments and a status command Only one fixed program can be stored In the programmed controller function one arbitrary difined program can be stored independend of the fixed program Fig 4 3 Example of a temperature time process controlled by the fixed program PI O PI9 P 2 0 P29 ROPI P4 0 P4 9 Each program segment P P 4 is assigned to a typical temperature time response 10 selectable sets of parameters are permanently stored in the database for each program segment These sets of parameters can be assigned within the program A status command is provided as the fifth program segment This determines the subsequent action with the program selected from the fixed program memory gt Program on standby do not execute yet Select P o F gt Program on standby wait for program start Select P o n gt Delete program from memory completely Select P rE The pr
14. o 50 042 750 21 35 4 OPERATION Fig 2 4 Example of the programmed controller function with StOP termination command n 10 StOP The program sequence from a total of 9 segments must be entered after which the heating and ventilation is to be switched off The air speed levels to be set for each program segment are given in percent Starting up with programmed controller functions Instruction Key s Example of display Remarks Switch the unit on refer to start up with basic functions Adjusting the overtemperature protection device refer to Chapter 3 Control unit off unit ca 3 Sek gt Inside temperature should not heat up Y il Il green signal lamp during this input IILI lights up continuously Call main program amp Program segment memory prog n I is displayed mL programmable digit flashes gt gt gt 22 35 50 042 750 4 OPERATION gt gt gt Entering the time for a program segment Instruction Key s Example of display Remarks Enter the time for The time for n program segment n prog E flashes in the display 2 00 h S Lv LA Time t 1 2 00 Transfer the preset time for program segment n to the m
15. operated by instructed personnel Keep unit out of reach of children Apart from the instructions in this manual the respective national regulations must also be observed for the installation and operation of this unit FRG ZH 1 119 DIN 12 880 Part 1 The applicable national environmental regulations must be observed for the extraction of exhaust gases that are produced during heat treatment Suitable measures must be implemented to ensure that such gases are safely led outside FRG BImSchG UVPG AbfG WHG ChemG The unit must not be used to dry or heat substances which may release combustible gases or vapours into the atmosphere which could burn or explode when mixed with air The unit is equally unsuitable for the heat treatment of combustible dusts or fibrous materials Check the mains lead and connector for damage before using the unit If there are any signs of damage do not connect the unit up to the mains The voltage quoted on the rating plate rated voltage must agree with the mains supply voltage Protective gloves goggles etc must be made available to the operator because of the potentially high operating temperatures The surfaces around the opening of the inner compartment become hot at high operating temperatures RISK OF BURNING Avoid contact with these surfaces Ensure that the overtemperature protection device works properly by conducting a functional check at regular intervals every 3 months at least
16. or other agencies who are authorized to act on behalf of Thermo Electron LED GmbH Thermo Electron LED GmbH cannot accept any liability for any damage that occurs as a result of improper use or repair work which has not been performed by Thermo service centers or if parts other than the approved genuine spare parts accessories are used We recommend that you enter into a service contract with our company Please contact us for a quotation Decontamination disinfection The operator is responsible for implementing suitable effective measures to decontaminate the unit if it is used in connection with hazardous materials Such measures must be conducted on a regular basis under normal operating conditions and in particular if such materials have been spilt or before commencing service work The stainless steel components inside the unit may be decontaminated by wiping out with a disinfectant solution in cases of biological contamination A surface disinfectant recommended by Thermo can be ordered under part number 50052425 250 ml spray bottle and 50051939 500 ml refill bottle Details for efficiency and approvals are available on request The applicable national regulations must be observed with respect to disinfection FRG ZH 1 598 Once removed the internal stainless steel components may also be subjected to steam sterilization or autoclave treatment Cleaning Use a mild soap solution water and mild detergent and a
17. soft lint free cloth to wipe the outer surfaces and control elements of the unit Remove any dust deposits from the air vents with a vacuum cleaner Remove any dust or dirt from the inner chamber Use stainless steel cleaning agents in moderate quantities Never use acids chloric solvents or salt solutions to clean the stainless steel surfaces inside the unit Avoid scouring and scratching or damage to labels and paintwork will be unavoidable Include flue exhaust ducts in the cleaning operations if the unit is connected up to an extraction system Consult the manufacturer before implementing any other cleaning or disinfection measures than those mentioned in this manual to ensure that the intended methods will not damage the unit 50 042 750 29 35 5 MAINTENANCE Servicing The heating unit is virtually maintenance free Lubricate the bearing s of the door and door handle mechanisms with a little synthetic oil from time to time Tests Mineral oil products must not be used where they may come into contact with plastic components as they could cause damage to such parts The following items should be tested at least once a year to ensure that the unit remains in good working order Mechanical functions Operation in accordance with the specified technical data Electrical system FRG UVV VBG 4 DIN VDE 0701 Part 1 E DIN VDE 0702 11 93 Safety devices A Repairs Only approved genuine spare parts and
18. status C E BA DN Signal lamp control unit status Display panel CI 17 lI Control key prog Y Increase displayed value key Reduce displayed value key Programming function key Air speed adjustment key Display panel OONDARWD AA T 9 8 7 6 The status of the control unit is indicated by signal lamps in the display panel THE YELLOW SIGNAL LAMP Item 1 indicates the current status of the heating control sy stem gt Lamp switched on unit heating activated gt Lamp switched off heating off Rhythmic flashing of this signal lamp indicates that the temperature controller is regulating the operating temperature THE GREEN SIGNAL LAMP Item 2 indicates the status of the control unit gt Lamp on control unit switched on heating and blower enabled The heating and blower are activated when the unit is switched on On Off switch gt Lamp off Control unit switched off heating and blower disabled The heating and blower are not activated when the unit is switched on gt Lamp flashes time switch function activated Basic functions The control unit is equipped with the temperature control time switch and inside air speed adjustment basic functions The unit can set an operating temperature of up to 250 C switching times of between 0 01 and 99 00 hours and and inside air speed
19. 17 T8 Un Tn t1 2 B t4 5 tt 7 8 19 t ae n10 CYCL A Definitions n1t n9 Program segments n10 Termination commands hold StOP or CYCL T1 T9 Specified operating temperature 50 250 C t1 19 Specified time program segment 0 01 99 0 h U1 U3 Specified ventilation level approx 40 approx 70 and 100 After a power failure gt 20ms up to approx 2h the program will be continued at the last temperature time values Refer to STARTING UP WITH PROGRAMMED CONTROLLER FUNCTIONS for details 50 042 750 4 OPERATION What happens if Possible display Explanation 888 Control unit test phase oFF Status of the control unit heating and ventilation disabled possibly time switch funktion has been aktivated signal lamp control unit status flashes time switch function activated One digit in the display flashes The flashing value can be changed P 1 3 Program segment when entering an added feature program function P 1 3 alternating with inside temperature Program segment while the added feature program is in progress P on Status command for an added feature program Program on standby wait for program start P oF Status command for an added feature program Program on standby do not execute yet P rE Status command for an added feature program Delete program from memory completely P ro alternating with inside temperature Entered program on standby
20. Laboratory Air Circulation Ovens Models UT 6 P UT 12 P UT 20 P Operating instructions Valid 09 2005 50042750 D ELECTRON CORPORATION Below is a list of the international Thermo marketing organizations Postal address Germany Thermo Electron LED GmbH D 63505 Langenselbold Robert Bosch Strasse 1 Enquiries from Germany Phone Sales 0800 1 536376 Service 0800 1 112110 Fax Sales Service 08001 112114 E Mail info labequipment de thermo com Enquiries from Europe Middle East and Africa Phone 49 0 6184 90 6940 Fax 49 0 6184 90 7474 E Mail info labequipment de thermo com Internet www thermo com la Postal address USA Thermo Electron Corporation 275 Aiken Road Asheville NC 28804 USA Enquiries from North America Phone 1 800 879 7767 Fax 1 828 658 0363 E Mail info labequipment thermo com Enquiries from Latin America Phone 1 828 658 2711 Fax 1 828 645 9466 E Mail info labequipment thermo com Enquiries from Asia Pacific Phone 1 852 2711 3910 Fax 1 852 2711 3858 E Mail info labequipment thermo com Thermo Electron LED GmbH 63505 Langenselbold Germany function line is a registered trademark of Thermo Electron LED GmbH If translated versions of this manual are used the German version is the authoritative basis Subject to technical modifications so 042 298 UTP Air circulation oven programmed controler 1 PE AG 230 Y 5060 Hz N The safety concerning t
21. action system The exhaust gases must be led through past adjacent surfaces objects located above or behind the unit with heat insulation to avoid the danger of fire If the unit UT 6 P is to be fitted under a table or into a laboratory fixture it must be connected to an exhaust air extraction system The top clearance may only be reduced to min 5 cm under such circumstances Ensure adequate ventilation Types UT 12 P and UT 20 P are not suitable to be fitted under a table 50 042 750 7 35 8 35 SETUP AND INSTALLATION Room ventilation Adequate ventilation must be provided wherever the unit is installed Do not operate the unit in non ventilated enclosed spaces Special ventilation measures e g ventilation of designated work areas FRG also refer to VDI 1946 Part 7 when several units are installed in one room Mains connection The laboratory unit is supplied with a permanently connected flexible mains power lead with connector grounded The connector serves to disconnect the unit from the mains power supply Examine the power lead and connector for damage before using the unit If there are any signs of damage do not connect the unit to the mains supply The voltage quoted on the rating plate rated voltage must agree with the nominal mains voltage The unit may only be connected up to the mains via a properly installed socket outlet with PE conductor protection class or a permanent terminal connecti
22. air speed level for program segment n to the memory n lis displayed programmable digit flashes Selecting the next program segment Select program segment n 2 A n 2 is displayed programmable digit flashes segment n 10 Enter the preset operating temperatures time values and air speed levels for program segments n 2 n 9 in the same manner as for program segment n 1 and select program Selecting the termination command Select the StOP termination command Termination command flashes in the display y Enter the StOP termination command Transfer the termination command to the memory n 10 is displayed programmable digit flashes gt gt gt 24 35 50 042 750 4 OPERATION gt gt gt Leaving the program memory Instruction Key s Display Remarks Leave the program O Inside temperature is memory prog il tl displayed ILII Input terminated Starting the program Instruction Key s Example of display Remarks Start t
23. and check the electrical equipment at least once a year Any work to be conducted on the electrical equipment of the unit may only be performed by a qualified electrician The unit must be disconnected from the mains supply before commencing service or repair work Only use approved accessories and approved genuine spare parts The use of any other parts may result in unforeseen problems and should be avoided under all circumstances The serviceability and safety of the unit can only be guaranteed if the necessary tests maintenance servicing and repair work is carried out by the Thermo service personnel or other agencies who are authorized to act on our behalf Thermo Electron LED GmbH cannot accept any liability for any damage that occurs as a result of improper use or repair work which has not been performed by Thermo service centers or if parts other than the approved genuine spare parts accessories are used 50 042 750 SETUP AND INSTALLATION Transport Handle the unit with care Avoid jarring and protect against damage Do not lift by the door handle the door itself the control unit the blower box the spacer or the power lead Refer to the TECHNICAL DATA for dimensions and weight Unpacking the unit Unpack the unit remove the transport safety fixtures from the inner compartment and remove any dirt or dust which may have accumulated in transit Installation The unit must be installed in a dry environment Th
24. djacent surfaces Top 300 50 when connected to an extraction system mm objects Rear 120 80 80 mm Volumes Chamber 64 4 112 210 liter empty Useful space 33 57 6 107 8 liter Steam space approx 73 approx 131 approx 234 liter Weights Unit approx 40 approx 55 approx 75 kg Trays Max tray load Lumped 15 15 10 kg Surface 20 20 15 kg Total 50 50 70 kg Number Standard Max 2 9 2 14 2 16 piece Dimensions W x D 362 x 333 506 x 323 564 x 503 mm THERMAL Operating temperatures Room temperature 20 to 250 C Temperature deviations circulating mode air flap closed Spatial at 70 C 1 0 1 0 15 K at 150 C 2 0 2 0 3 0 K at 250 C 4 0 4 0 5 0 K Temporal at 70 C 0 2 0 2 0 1 K at 150 C 0 4 0 4 0 6 K at 250 C 0 7 0 8 0 8 K Temperature deviations fresh air mode air flap open Spatial at 70 C 1 0 1 0 1 5 K at 150 C 3 0 3 0 3 0 K at 250 C 6 0 5 0 6 0 K Temporal at 70 C 0 2 0 2 0 2 K at 150 C 0 4 0 4 0 7 K at 250 C 1 0 1 0 1 5 K Warm up times circulating mode unit empty air flap closed to 98 of the operating temperature Operating 70 C 8 8 9 min temperature 150 C 19 12 20 min 250 C 42 50 60 min 1 in accordance with DIN 12 880 Part 2 11 78 50 042 750 31 35 6 TECHNICAL DATA
25. e relative humidity should be between 60 and 70 under normal conditions Condensation should be avoided If condensation has formed on the unit following a change of location or during transporation for example wait until the unit has dried out completely before putting into operation The ambient air should not contain excessive amounts of dust Comply with the instructions in the MAINTENANCE section Do not cover or obstruct the ventilation or exhaust vents in the unit housing remove any dust or dirt with a vacuum cleaner The ambient temperature should not exceed 40 C Place the unit on a firm fireproof surface e g laboratory table support frame in a stable perfectly upright position Keep the unit away from direct sunlight UV radiation If you wish to stack two units on top of one another use the stacking frame available as an option Never stack more than two units on top of one another When stacking units of different types make sure that e g an incubator is always at the bottom and prevent any mutual influence Only units of the same size are stackable In case of stacking two units inside a niche the clearance to adjacent surfaces has to be increased on minimum one side to 200mm Fig 1 2 Clearances to adjacent surfaces objects Maintain a distance from the back UT 6 P at least 8 cm UT12P atleast 8 cm UT 20 P atleast 8 cm The wall spacer may only be removed if the unit is connected up to an extr
26. emory n I is displayed programmable digit flashes gt gt gt Entering the temperature for a program segment Enter operating temperature T 1 230 C Preset operating temperature for program segment 1 n I flashes in display if program segment appears in the display when the set key is pressed then hold or StOP has been entered as the termination command for program segment n I If you wish to enter a temperature value you must first change the termination command to a time value refer to the section on Entering the time for a Lal Lv Enter 230 C Transfer temperature T1 230 C to the memory Program segment n is displayed programmable digit flashes 50 042 750 23 35 4 OPERATION gt gt gt Entering the air speed level for a program segment Instruction Key s Example of display Remarks Select the preset air speed level for program segment n Air speed level flashes in the display speed symbol Y7 LA Select air speed level approx 40 in this case Transfer the preset
27. g the added feature function the sequence is compiled by marking the required program segments Example Fixed program comprising P I 2 P 2 P 3 7 P 4 4 and P on ne a Aaa 6h 8h 10h 20h 24h rosa USE 12 i 16 h 72h P 2 I P 2 2 P 2 3 P 2 4 P 2 5 P2 6 P2 7 P2 8 P2 9 0 C h 20 C h 30 C h 50 C h a 80 C h 100 G hI120 C h 200 C h p 3 5 P 3 6 P 3 P3 8 P3 9 1 4 h 1 2 4h OTS 12h 24h 14 35 50 042 750 imtoo 24 4 5 P 4 6 pP4 7 P4 8 P4 9 na 10 C h 20 C h 30 C h 40 C h 50 C h 60 C h 80 C h UNIT SPECIFICATION Example of a fixed program gt Example E1 Hot air sterilization process The heating should switch on in 8 hours the unit should heat up to an operating temperature of 190 C sterilization temperature at a rate of 200 C h maintain this temperature for 4 hours equalization phase and sterilization period and should subsequently cool down at a rate of 20 C h The program should start following program selection status command P on Fig 5 3 Program profile hot air sterilization process E1 S 1 S 4 Programmsegment Pl 3 P 2 9 P 3 5 PRAT P on Sequence El After sketching the process characteristic select the segments which correspond to the required sequence from the matrix Mark the program segments and the P o n status command Leave program input mode Select 190 C as the required operating temperature Start
28. he program approx 6 sec Inside temperature prog IlI il and program segment D a S A are displayed UI Terminating the program Instruction Key s Example of display Remarks Terminate the program approx 6 sec prog pp Inside temperature and control unit status are displayed 50 042 750 25 35 4 OPERATION Fig 3 4 Example of the programmed controller function with hold termination command Tn Starting up with programmed controller function The hold termination command has been selected here as an alternative to example 2 4 Enter the preset temperature time and air speed level values for the program segments according to the same procedure as example 2 4 Instruction Key s Example of display Remarks Select program n 4 is displayed segment n 4 A programmable digit flashes Select the hold termination command Termination command flashes in the display Y La Enter the hold termination command Transfer the termination command to the memory n 4 is displayed programmable digit flashes Leave the program memory and start the program 26 35 50 042 750 4
29. he protection of persons environment and material to be treated mainly depends on the behavior of the operating personnel of these units Please read and observe the following instructions carefully before starting the unit in order to avoid faults and resulting damage especially adverse health effects 2a Information according EN 61010 AMBIENT OPERATING CONDITIONS For indoor use only For altitudes up to 2000 m above sea level Temperature range from 5 C to 40 C Maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C e Main power supply Voltage fluctuations not to exceed 10 of the nominal value ELECTRICAL DATA e Overvoltage category II e Contamination level 2 WEEE Compliance This product is required to comply with the European Union s Waste Electrical amp Electronic Equipment WEEE Directive 2002 96 EC It is marked with the following symbol Thermo Electron has contracted with one or more recycling disposal companies in each EU Member State and this product should be disposed of or recycled through them Further information on Thermo Electron s compliance with these Directives the recyclers in your country and information on Thermo Electron products wich may assist the detection of substances subject to the RoHS Directive are available at www thermo com WEEEROHS la CONTENTS 1 GENERAL SAFETY INSTRUCTIONS
30. iicnatatarmhar ekedambarGniGhalad deGhargadadavehargabiehaltad ach anes 34 LOJG BOOK iii A eee AA ied wee whe ia ave Sia tie 35 50 042 750 3 35 mb EX GENERAL SAFETY INSTRUCTIONS PLANATION OF ICONS This symbol marks chapters and sections of this instruction manual which are particularly relevant to safety When attached to the unit this symbol draws attention to the relevant section of the instruction manual a Marks information about optimum utilization of the unit in the instruction manual A Warns of hot surfaces set Key for temperature selection time switch function and to confirm entered information Key for the programming function time selection and to confirm entered information Key to set the air speed and to confirm entered information Value adjustment key INCREASE VALUE Value adjustment key REDUCE VALUE Information about proper disposal recycling Overtemperature protection device Fresh air flap control 1 8 kil Continuous adjustment from minimum to maximum values Quick refe rence guide to operation Select the status of the control unit enabled disabled Temperature control function select temperature Time switch function set the operating times Programming function POJO Blower function 4 35 50 042 750 GENERAL SAFETY INSTRUCTIONS General information The unit fulfils the foll
31. ing and ventilation off or gt if the heating and ventilation is to remain off during programming or gt to use the time switch function to switch the heating and ventilation on after a preset period Setting the operating temperature Display the preset Preset operating temperature operating temperature set II Display flashes Value increases Increase the preset operating temperature Display flashes Reduce the preset Value decreases operating temperature 4 bl E Display flashes Store new preset t e New operating temperature operating temperature se I 1 IJ is stored then inside IlI temperature appears on display Unit regulates the operating temperature when status on yellow signal lamp indicates the status of the heating control system Adjusting the overtemperature protection device refer to Chapter 3 Setting the position of the fresh air flap gt gt gt 18 35 50 042 750 4 OPERATION gt gt gt Setting the switching time Instruction Key s Example of display Remarks Select time switch function display time remaining for timing period approx 3 sec Display flashes time switch funcition is displayed If timing period in progress
32. ogram memory is erased on delivery If the operator interrogates the program segments Parameter set off appears in the display panel e g P 1 When compiling a program selecting parameter set off within the selected program segment causes the control unit to bypass this segment for the fixed program function The selected program always runs from program segment P I n to program segment P 4 n If program segment P 3 n is combined with program segment P 4 n the heating and blower are only switched off following termination of segment P 4 n If a program is interrupted and started again the sequence commences at segment P I n The previously selected operating temperature cannot be changed once the program has started The heating is switched off in the event of a power failure gt 20 ms with subsequent restoration of the power supply the temperature inside the unit is displayed as a flashing value and the program must be started again 50 042 750 13 35 3 UNIT SPECIFICATION Fixed program segments Program segment P 1 n n 0 9 Assigning a parameter 0 9 from the database causes the unit to switch on heating and ventilation on expiry of a preset period Selectable parameters in this program segment Pie PIO P1 1 Pale PlI 3 Pl4 PESA PIES Pik TPR PIES off 2h 4h 6h 8h 10h 12h 16h 20h 24h 72h Program segment P2 n n 0 9
33. on In the event of a permanent terminal connection a master switch lockable in the Off position must also be installed to disconnect the unit from the mains An earth leakage circuit breaker should also be fitted in the supply system to provide additional protection against electric shocks Rubber sheathed flexible cable of at least 2 5 mm diameter H 07 RN F should be used for any extensions that may be required to connect the unit Refer to the TECHNICAL DATA section for the rated power consumption circuit protection with a T 16 A fusible link or a B 16 circuit breaker Noise insulation The unit develops a constant noise load Refer to the TECHNICAL DATA section for the noise level The unit may produce higher noise levels in unfavorable installation conditions Supplementary measures may have to be implemented to improve the sound insulation in the room 50 042 750 SETUP AND INSTALLATION Connecting to an extraction system Comply with the applicable national environmental regulations for the extraction of exhaust gases released during the heat treatment Suitable measures must be implemented to ensure that such gases are safely led outside FRG BImSchG Such measures may involve thermal or catalytic treatment of flue gases Refer to the TECHNICAL DATA section for the volume flow and temperature of the exhaust gases Fig 2 2 Example of an installation Inlet air
34. owing safety standards DIN EN 61 010 1 03 94 VDE 0411 Part 1 03 94 E DIN VDE 0411 Part 111 DIN 12 880 Part 1 11 778 and DIN EN 60 335 1 VDE 0700 Part 1 DIN EN 55 011 Part 3 DIN VDE 0875 Part 11 07 92 Always quote the data on the rating plate when requesting information or ordering spare parts Operating instructions The operator must provide anybody working on or with this equipment with written instructions for any operations to be performed Such instructions must be easy to understand and must be available in the language of the respective personnel FRG UVV VBG 1 7 2 Log book We recommend that a log book is kept which records any tests and calibration operations performed on the unit and any other work repairs modifications etc Field of application The unit has been designed as an item of laboratory equipment for technical applications Heat treatment of samples or materials with operating temperatures of between room temperature approx 20 C and 250 e g for drying ageing analysis fusing burning in oxidizing reducing preheating etc m Hot air sterilization sterilization by heating the article up to a temperature of at least 160 C FRG also refer to DIN 58 947 Note The sterilization temperature usually required in the field of medical laboratory work is 180 C The unit has been designed for installation and operation in the following fields Laboratories e g in the
35. rameter in program segment S1 set IiI I P I 3 is transferred to the memory programmable digit flashes Select program segment S2 p Programmable digit flashes Continue in the same manner to enter mark program segments P 2 9 P 3 5 und P 4 gt gt gt 20 35 50 042 750 4 OPERATION gt gt gt Entering the status command Instruction Key s Example of display Remarks Call status command P o F is displayed Select status command n 9 E P o F flashes P on flashes Mark status command P o nis displayed Leave program memory el ll p g Display alternates between inside temperature and P r O Input terminated Starting the added feature program Start the program p approx 3 sec Program is started the display alternates between the temperature and the program segment Terminating the added feature program Terminate the program y approx 3 sec Display alternates between the inside temperature and P r
36. s 0 c cece cece een ented eee eee es 14 Compilation of a fixed program 0 cece cece e ene eee tent e ees 14 Example of a fixed program sti ce enres innia ea is 15 Programmed controller function 0 0 cece cee nannan nananana 16 Termination COMMANAS 6 cc ene e nee ene n ene ene eas 16 Example of a temperature time program definitions 0 0 c cece eee eee eee 16 Whatihappensith ses ic AS dd Ple 17 4 OPERATION riana na ea eL AA A alate aia Ai A E E ado 18 28 Starting up with Basic functions temperature control time switch blower speed adjustment 18 19 Added feature programming functions example hot air sterilization prozess 20 21 Programmed controller functions example 0 cece eee eee eee eee eens 22 27 Operating guidelines oooococccccccccccnnnrn ened denne nee teen e es 28 Loading rad 28 SIMULA OWI ad dd bd pan 28 5 MAINTENANCE ccc eon as 29 30 Decontamination disinfection 2 cece cece eden teen eee teeeaes 29 Cleaning corned nF eona aia e ier ge eating Maeda mesg oe dclun aa na a wi fateh pia elen ode 29 Servicing Hara A aa iene emigv eal ohiaubane GEE Ena edie 30 TESIS A A A A A ds 30 ROPAS ir a ados 30 Approved spare parts ACCESSOTMES 1 cr 30 6 TECHNICAL DATA ccoo eee eae eee eee eee ic 31 34 OVEN 2 Audveakieud teased dtaddonadeeg dad alas 31 33 CONO MO told 34 Materialsilsed 44 itarci
37. s in the unit Make sure that the samples are evenly distributed on the trays and that they are arranged in such a way as to ensure an unimpeded flow of warm air throughout the cabinet in order to prevent local overheating Do not position the samples too close to the inner walls Fig 5 4 Loading diagram a a a approx 1 10 of the internal dimensions gt a a Be careful not to damage the temperature sensors in the inner chamber when loading Never place samples on the floor of the chamber Keep the inner surfaces of the chamber free of dust and dirt Never use aggressive chemicals which could damage the stainless steel finish Continually heating and cooling the unit over wide temperature ranges can detrimentally affect its service life If used more frequently it is better to keep the unit running in continuous mode at moderate temperatures If not used for an extended period disconnect the unit from the power supply Shutdown Remove the samples from the chamber Allow the heating unit to cool down to room temperature Switch the unit off and disconnect from the mains m Clean the inside surfaces of the chamber also refer to the section on DECONTAMINATION CLEANING 28 35 50 042 750 4 Cer OPERATION The serviceability and safety of the heating unit can only be guaranteed if the necessary tests maintenance servicing and repair work is carried out by the Thermo service personnel
38. s may be released as a result of improper handling during repair work or as a result of mechanical damage 34 35 50 042 750 LOG BOOK Please refer to typeplate on unit for model and serial number Model Serial No Work completed Opearator s remarks 35 35
39. tection device signal lamp A Functional test of the TWB Prerequisite required working temperature control unit has been reached remains constant Set the TWB to approx 10 20 C below the temperature displayed on the control unit The TWB must respond the red signal lamp indicates Fault The TWB is working properly Press the control element to release the TWB Now set the TWB to the temperature limit for the required type of protection If Fault is signalled during operation Check the settings of the TWB and the control unit and correct if necessary If set for material protection this may indicate a blower malfunction If the problem persists contact the service center 4 Fresh air flap control For continuous control of the fresh air supply to the inner compartment gt Set to left hand stop minimum fresh air supply gt Set to right hand stop maximum fresh air supply 50 042 750 11 35 12 35 UNIT SPECIFICATION Item B Automatic control unit The automatic control unit contains the basic functions of a 2 position controller with PD PID control response time switch to switch the heating and ventilation on off after the set time the added features of permanently programmed heating process programs and the programmed controller functions of a freely programmable process controller Fig 3 3 Control unit control panel 1 2 3 4 5 AS j Zz L Signal lamp heating
40. the fixed program While the program is running the display alternates between the temperature inside the unit and the current program segment Refer to STARTING UP WITH ADDED FEATURE PROGRAMMING FUNCTIONS for further information 50 042 750 15 35 16 35 OPERATION Programmed controller function The programmed controller function enables the arbitrary definition of temperature time processes You may select up to 9 program segments Operating temperature period and air speed level can be selected for each segment Termination commands A termination command can be selected as the last program segment beginning at the second segment The termination command determines the function to be performed by the unit after running through the program There are three optional termination commands gt hold Once the program has terminated the operating temperature set for the last program segment is maintaned until a new operating temperature has been selected gt StOP Once the program has terminated the heating and blower are switched off until the stop command is cancelled gt CYCL Once the program has terminated it returns to the beginning and is repeated continuously until the CYCL command is cancelled A termination command must always be entered at the end of every program Fig 6 3 Example of a temperature time ventilation program with CYCL termination command ur 40 T1 70 T2 100
41. the unit appears on the display panel of the control unit off Unit switched off temperature display off 2 amp 3 Overtemperature protection device signal lamp The unit is equipped with an electronic upper limit cut out device TWB of protection class 2 as defined by DIN 12 880 Part 1 It is electrically and functionally independent of the temperature control system In the event of a fault in the unit heating system the operational TWB shuts down the unit heating across all poles as soon as the temperature exceeds the preset value The red signal lamp indicates activation of the protection function Fig 2 3 Item 3 The unit must be reset manually by pressing the control element gt Allow the unit to cool down by approx 30 C press the control element the red signal lamp will go out The operate value is adjusted with the help of a tool coin screwdriver Adjust to the required protection level gt to upper temperature limit unit protection protects the unit and its environment gt to approx 10 C higher than the operating temperature set on the control unit material protection protects the unit its environment and the loaded material Ensure that the overtemperature protection device works properly by conducting a functional check at regular intervals every 3 months at least and check the electrical equipment at least once a year 50 042 750 3 UNIT SPECIFICATION 283 Overtemperature pro
42. ues Rated voltage 1 PE AC 230 V Rated frequency 50 60 Hz Power consumption 1 27 2 32 2 32 kW Connected load 1 4 25 25 kVA Current input 5 5 10 1 10 1 A Protection class Protective measure PE terminal Degree of protection IP 20 Circuit protection to be provided at the installation location T 16 A fusible link slow blow or B 16 circuit breaker Connection via an earth leakage circuit breaker tripping current lt 30 mA is recommended ELECTRICAL rated values Rated voltage 1 PE AC 120 1 PE AC 208 V Rated frequency 50 60 50 60 Hz Power consumption 1 27 1 9 1 9 kW Connected load 1 4 2 05 2 05 kVA Current input 10 6 9 1 9 1 A Protection class Protective measure PE terminal Degree of protection IP 20 Circuit protection to be provided at the installation location T 16 A fusible link slow blow or B 16 circuit breaker Connection via an earth leakage circuit breaker tripping current lt 30 mA is recommended 2 The applicable national electrical engineering regulations and technical requirements must be observed when connecting up to mains power supply circuits 50 042 750 33 35 6 TECHNICAL DATA Control unit Basic function Added feature funtion Programmed function Reaction after power failure Control unit Program will be Program will be
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