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Operating Instructions - Cole

1. Furnaces Temperature Humidity Continuous sound pressure level MORE THAN HEAT 30 3000 C see section Specifications or type plate on the furnace as specified in DIN EN 60519 2 without safety controller Class 0 IP20 5 C to 40 C max 80 not condensing lt 80 dB A 2 1 Warranty and Liability As regards warranty and liability the normal Nabertherm warranty terms apply unless individual terms and conditions have been agreed However the following conditions also apply Warranty and liability claims for personal injury or damage to property shall be excluded if they are attributable to one or more of the following causes Everyone involved in operation installation maintenance or repair of the oven must have read and understood the operating instructions No liability will be accepted for damage or disruptions to operation resulting from non compliance with the operating instructions Not using the oven as intended Improper installation start up operation or maintenance of the oven Operation of the oven with defective safety equipment or improperly installed or non functioning safety and protective equipment Not observing the references in the operating instructions to transportation storage installation start up operation maintenance or equipping the oven Making unauthorized changes to the oven Making unauthorized changes to the operating parameters Making unauthorize
2. If the fresh air lever is open under certain circumstances this may affect temperature uniformity in the furnace chamber 47 6 Servicing Cleaning and Maintenance 48 o A TE p Warning General hazards Cleaning lubrication and maintenance tasks may only be performed by authorized experts following the maintenance instructions and accident protection guidelines We recommend that maintenance and repair be performed by Nabertherm GmbH Service Failure to comply runs the risk of bodily injury death or significant property damage Warning danger due to electrical current Work on the electrical equipment may only be performed by qualified authorized electricians During maintenance work the voltage supply to the furnace and or switching system must be switched off to prevent unintentional commissioning Disconnect the mains power connector due to reasons of safety Operators may only correct malfunctions which are obviously due to operational error Wait until the furnace chamber and attaching parts have cooled to room temperature The furnace must be visually inspected at regular intervals for damage The interior of the furnace must also be cleaned as required e g vacuuming out Attention Do not bang against the heating elements to avoid breaking them While work is being performed on the furnace the furnace and work room must additionally be ventilated with fresh air Safety systems removed during
3. MORE THAN HEAT 30 3000 C Operating Instructions Laboratory Furnaces Muffle Furnaces L LE LT LV LVT SKM SW HA gt 10 2005 Original instructions B Made in Germany www nabertherm com Copyright Copyright by Nabertherm GmbH Bahnhofstrasse 20 28865 Lilienthal Federal Republic of Germany Reg MO01 0032 ENGLISCH Rev 2011 01 No responsibility is accepted for the correctness of this information We reserve the right to make technical alterations MORE THAN HEAT 30 3000 C 1 istituito EN 5 1 1 Product Deser 9 41 0 eRe renner aaa eon tdi E dun detiene id oa re ee ee ee 6 r2 Overview or the Complete GO yell aedi tet a eade bi ied ete ane data 7 1 3 Key tothe Model Name S socio doo thee pasu een empleos E Ota rite tUe tace Ua Oe m metae rad 9 1 4 SCODE OL DENYE V aasre ee ee ee ee ee eee en eee ee 10 2 SO CU ENC ENO INS sooo sos as a ee sas ech Sane ee eae ech Ss Sd CS EE eode SIDES De ioco 11 21 Warramy and MEL ea 16 3 VEI E as ccestecte creases ctcca castes scctattsbocnastucccsesenecasteucsntanestecsussuecesaneucecsdesucsstanesepueceucceccusessetecaueceewcetuteccuscecess 17 3 1 Ttenace U Geaa a sio basti c itu tuaee mane eked 17 3 2 Reguitementsdor1dhe Oven ODEFPdLOE ssh ect Rer eor ids tec ree citi e Pee ted reis ie o A t eds 18 3 3 Regutrements tor the Operating Personnel eoo ertet meteo tmi le osa S e suede petro iae EE PH EDO URS 19 3 4 PHOLE
4. Compare the voltage with the details on the type plate DANGER Fire danger to health Risk of fatal injury Adequate ventilation must be ensured at the installation location to conduct waste heat and any exhaust gases away MORE THAN HEAT 30 3000 C 4 6 3 Insertion of the Base Plate Fig 14 Inserting the ceramic insert plate Swivel the furnace lift door carefully away upwards Carefully place the ceramic insert plate s quantity of insert plates dependent on furnace model centrally on the base of the furnace When inserting the ceramic insert plate s ensure that the door collar and the heating elements are not damaged Under all circumstances avoid coming into contact with the heating elements when inserting the insert plate s this may lead to the immediate destruction of the heating elements The base of the furnace is manufactured from high quality fireproof material which is extremely sensitive to impact The ceramic insert plate has the task of protecting the base of the furnace Damaged insert plate s must be immediately replaced with new ones see chapter entitled Replacement Wearing Parts The furnace must not be commissioned without the insert plate If possible the load must be positioned centrally in the working chamber on the ceramic insert plate This guarantees even heating After loading the furnace lift door must be closed carefully gt Note It must be ensured that the load on the fu
5. E e E umm m E a SS Fue Ax Display Controller Exhaust air system Power switch ON OFF Heating ON OFF BS susustt ct Gas supply system additional equipment Vent vent with fan or catalytic converter accessories Support plate in the furnace chamber Ceramic die Support die Scale Power line Lock Switchgear fan Digital interface RS 422 option Backup power connection lock for backup power connection for example for vent with fan or gas supply system additional equipment Fig 1 Example Complete overview of various laboratory furnaces MORE THAN HEAT 30 3000 C 1 3 Key to the Model Names Example LT 9 11SKM LLL LT 9 11SKM LT 9 11SKM LL LT 9 11SKM Explanation L Laboratory furnace with drop down door LE Laboratory furnace economy series LT Laboratory furnace with lift door LV Laboratory incinerator with drop down door LVT Laboratory incinerator with lift door 1 1 liter furnace chamber volume in L 2 2 liter furnace chamber volume in L 25 3 liter furnace chamber volume in L 4 4 liter furnace chamber volume in L 5s 5 liter furnace chamber volume in L 6 6 liter furnace chamber volume in L 9 9 liter furnace chamber volume in L 14 14 liter furnace chamber volume in L 15 15 liter furnace chamber volume in L 24 24 liter furnace chamber volume in L 40 40 liter
6. The insulation of the furnace and or the side heating plates in the furnace depending on the furnace model are made of very high quality refractory material Thermal expansion causes cracks in the insulation even after only a few warm up cycles and in some circumstances in the side heating plates as well But these have no impact on the function or quality of the furnace This is no reason for a complaint MORE THAN HEAT 30 3000 C Fig 16 Example Cracks in the insulation after a few warm up cycles Notice for the Use of Catalytic Converters and Exhaust Vent Fan The air feed lever must always be set to because the exhaust gases cannot be adequately vented from the furnace chamber Information for LV LVT Models These models have an independent air feed system which cannot be regulated The fresh air is fed through holes in the back wall into the upper heating plate where it is pre heated and comes back out in front above the furnace chamber In the amp setting of the air feed lever fresh air is also fed in which is not pre heated For complete feed air pre heating select the setting During protective gas connection operation the lever must be set to 43 5 Operation 5 1 44 Operating Controller B 180 P 330 OFF ON T i D Made i O m wait time 1 time2 time3 time4 p ama 2 3 optional 1 Fig 17 Example Controller
7. l The control power is switched on and off with the power switch 1 When the control voltage is switched on the heating space temperature is displayed by the controller 2 in the LED 2 The desired heating and cooling program is set at the controller 2 The description of the controller is in a separate instruction manual 3 Temperature value of the over temperature limit controller 3 optional must be set 30 C higher than the setting on the controller Description of the over temperature limit controller OTLC is contained in the instruction manual of the controller B 180 P 330 Caution Continuous operation at maximum temperature can lead to increased wear of the heating elements and the door seal We recommend operating at approx 50 C below the maximum temperature Caution Description of the controller B 180 P 330 is contained in a separate instruction manual 5 2 Operating Controller R 6 OFF ON Press O res O Press Q or the display changes automatically after 15 seconds OFF ON Press Q Sf Set point Fig 18 Controller R 6 Description Switch on oven I The oven is switched on and off with the power switch When the power is switched on the current oven temperature actual temperature 1s shown on the controller display Example When the K1 lamp remains on this means that the controller is ready To adjust the required oven temperature temperature set poi
8. protective oxidated layer on the heating elements During the heating up the furnace may give off unpleasant odors which is due to the release of binding agents from the insulation material We recommend that the furnace location be well ventilated during the first warm up phase e Warm up the empty furnace over a period of roughly 6 hours to 1050 C 1922 F Hold this temperature for roughly 1 hour e Warm up LE models to 1000 C 1832 F without the warm up ramp e After the first warm up phase let the furnace cool down naturally to room temperature e The furnace is now ready to operate 1 Warm up ramp 41 Caution This procedure must be performed at the time the furnace is commissioned following the replacement of heating elements or to regenerate the oxidated layer 4 9 Loading charging 42 Charging the Furnace The insulation is made of high quality refractory material but is highly sensitive to impact Avoid contact when charging to prevent any damage To obtain a temperature distribution which is as uniform as possible it is advantageous to leave space between the pieces and between the pieces and the side walls Nabertherm supplies insert plates base plate and the like to help you make use of the furnace chamber Loading a very large quantity of ware into the furnace chamber can substantially lengthen the heating up time The furnace heating system is interrupted if the door is opened Af
9. CIV CoNo NEN T E 19 J Basic Measures During Normal Operation cccccccccccccccscceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 20 3 6 Basic Measures in Case of Emergency coser erteteto ineat esempi e PE tUb i taRU Une b RU epe PRU pix e PUUCUPIE PEN DIU QUE LUN RD D EUES 20 3 06 01 Winat tO do tnam BIeEPCHO cueste ten Cinta eM MR e ME M DIM RE 20 3 7 Basic Measures for Servicing and Maintenance eese sese sese sese sensn esae se gane sess s daa aaa sane sens 21 3 8 Environmental Regulations esae e ORE Rd riter Data vitatem ut ee M p CM 22 3 9 Explanation of the Symbols and Warnings ccccccccccceeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeessseeeeeeseeeeeeseseeeeseeeeeeeeeeees 29 zO General Risks writhe OVE ireen eqvi act eeaetote docuit vcio reb cei te ougaauedh scias aded De Dc fete usdtt anuo d od 26 4 Transportation Installation and Commissioning eee e eee eee eee eee eee eee ee e ee ette ettet eese eese eese sess sss aas 27 4 1 BIST CERNERET LU UE 27 4 2 Unpack iio aaan a A a a a ea a E eee ee 30 4 3 Transportation Securing Equipment Packaging sssss0seeseeeseeeseeseeeeseesseeesensecerseesseessensceseseessessstssesessees 31 4 4 Constr ctionaland Connection Requirements eio eoi necis i ol sa Ne Use lari 32 44 W stallaton Over LOCION saei peto e a pte te epe easels tee aoa cpu teste 32 4 5 Assembly Installation and COnnecton c
10. center of gravity When the oven is being lifted make sure that the ends of the forks or the load do not catch on neighboring goods Make sure that the oven is balanced safely if not attach securing equipment Push the oven carefully slowly and with the pallet truck at its lowest position Do not transport the oven on inclines Carefully lower the oven at its final position Pay attention to neighboring goods Try not to set it down too abruptly Device may slip or topple over Damage to the device Risk of injury from lifting heavy loads Transport device only in original packaging Several people must carry the device Symbols MORE THAN HEAT 30 3000 C The international standard symbols for handling packaging are defined in ISO R 780 International Organization for Standardization and in DIN 55 402 German Institute for Standardization Description Symbol Fragile This side up Keep dry n Sling here Explanation This symbol is to be attached to fragile goods Goods marked like this are to be handled carefully and must not be thrown or tied up The freight must be transported transshipped and stored in such a way that the arrows point upward The freight must not be rolled folded or stored on edge However the package does not have to be packed on top of other freight Products with this symbol must be protected against high air moisture hence they must be stored under cov
11. located in the back wall of the oven e Insert a suitable flat blade screwdriver into the slot of the fuse holder To remove the fuse holder press it in and turn it anti clockwise After a few turns pull the fuse holder out carefully with your fingertips Fig 25 Release and pull out the fuse holder e Remove the fuse from the fuse holder e Replace the defective fuse with a similar fuse e Before you replace the fuse make sure that it has the correct nominal current For the correct fuse fuse link see Spare Wearing Parts 53 Fuse fuse link Nominal current Example Fig 26 Remove fuse E Note The nominal current is engraved into the metal cap of the fuse or can be found imprinted directly on the fuse e Insert the new fuse into the fuse holder Make sure that the fuse is pushed fully into the holder e Replace the fuse holder slowly and carefully To fix the fuse holder insert the flat blade screwdriver into the slot and turn it in a clockwise direction with some pressure i CD t Fig 27 Insert fuse e Check that the power cable is not damaged The power cable must not be damaged Power cables may be replaced only with similar approved cables e Reconnect the power cable see Connecting the Oven to the Power Supply e Switch on the oven s power switch see Operation 7 2 Separate the Snap In Coupling Plug from the Furnace Housing With a small flat blad
12. maintenance tasks must be replaced after the work Warning of swinging loads in the workshop e g crane systems Work under a lifted load e g a lifted furnace or switching system is not permitted safety switches and any limit switches present must be checked for function periodically BGV A3 or according to the national guidelines of the country of operation To ensure proper temperature regulation of the furnace the thermocouple must be checked for damage before every process If necessary retighten the element holders see chapter Replacing the Heating Element Before carrying out this work the voltage supply to the furnace and or switching system must be switched off disconnect mains power connector The regulations BGV A3 or corresponding national regulations in the relevant country of operation must be observed There are one or more contactors in the control system The contacts of these circuit breakers are wearing parts and must therefore be serviced and or replaced regularly BGV A3 or according to the national guidelines of the country of operation The switching system cabinet 1f available contains vent grilles with integrated filter mats These must be cleaned and or replaced at regular intervals in order to ensure sufficient intake and outflow of air from the switching system During melting operation the switching cabinet door must always be firmly closed This furnace contains ceramic fiber material in the i
13. 5 55 Weight kg 55 55 Minutes to Tmax 120 120 120 120 Minutes to Tmax 90 90 Minutes to Tmax 19 90 Minutes to Tmax 75 90 Scale Type Readability Weight Range Stamp Weight Calibratio Minimum ing ing ing n Value Load ing ing EW 1500 0 01 1500 incl stamp 850 0 1 0 5 EW 3000 0 01 1500 incl stamp 850 0 1 0 5 EW 6000 0 10 1500 incl stamp 850 1 0 5 0 Muffle Furnace Model Tmax Dimensions Dimensions Volume Capacity Weight Minutes Lift Door C Interior in mm Outer in mm in kW max kg to w d W H Tmax h LT 5 11HA 1100 200 160 130 440 470 5204220 5 2 4 36 60 LT 9 11HA 1100 230 230 170 480 550 570 290 9 3 0 46 60 LT 15 11HA 1100 230 330 170 480 650 570 290 15 3 6 56 75 1 for connection to 230 V 1 N PE or 400 V 3 N PE 2 incl opened lift door Ha Hb SA fe rdg Y P ly H H S rend h pet 2 zi b I Lo lt D E Y Y Fig 3 Dimensions Electrical connection 1 phase 1 N PE 3 phase 3 N PE Model to 3 6 kW from 4 5 kW Power plug Protective contact plug CEE plug with snap in socket ia Voltage 110 V 240 V 380 V 480 V 220 V 240V Frequency 50 or 60 Hz Thermal protection class Protective type Ambient conditions for electrical equipment Emissions Heating output in kW Furnaces
14. C to 45 23 F to 113 F Humidity 5 to 80 non condensing Place the oven on a level floor to prevent distortion Packaging and transportation may be carried out only by qualified and authorized persons If your oven has transportation securing equipment see Transportation Securing Equipment use this Otherwise in general Fix and secure adhesive tape all moving parts and cushion and protect any projecting parts against breakage Protect your electronic equipment against moisture and make sure that no loose packaging material can get inside it Fill gaps in your packaging with soft but adequately firm material e g foam mats and make sure that the equipment cannot slide around in the packaging If the goods are damaged during return transportation due to inadequate packaging or some other breach of duty the costs will be borne by the customer As arule The oven is sent without accessories unless the technician expressly requests them Enclose a detailed description of the fault along with the oven this saves the technician time and costs Don t forget to enclose the name and phone number of a contact in case there are any questions Note Return transportation may only be carried out according to the information given on the packaging or in the transportation documents Note Transportation and return transportation not covered by a warranty claim are paid for by the customer MORE THAN HEA
15. LVT 3 11 1100 160 140 100 380 370 750 LVT 5 11 1100 200 170 130 440 470 850 LVT 9 11 1100 230 2401170 480 550 900 LVT 15 11 1100 230 3401170 480 650 900 1 for connection to 230 V 1 N PE or 400 V 3 N PE 2 incl exhaust air pipe 80 mm Muffle Furnace Model Tmax Dimensions Dimensions Drop Down Interior in mm Outer in mm Door Ww W Lift Door h H Ha L 9 11 SKM 1100 230 240 170 480 550 570 LT 1100 230 2401170 480 550 570 290 9 11 SKM 1 for connection to 230 V 1 N PE or 400 V 3 N PE 2 incl opened lift door Muffle Furnace Model Drop Down Door L 9 11 SW L 9 12 SW Tmax 1100 1200 Dimensions Dimensions Interior in mm Outer in mm w h W H 230 240 170 480 550 800 230 240 170 480 550 800 1 for connection to 230 V 1 N PE or 400 V 3 N PE Muffle Furnace Model Drop Down Door LT 9 11 SW LT 9 12 SW Tmax 1100 1200 Dimensions Dimensions Interior in mm Outer in mm Ww h W H 1 for connection to 230 V 1 N PE or 400 V 3 N PE 2 incl opened lift door Volume in O O1 CO Volume in Volume in CO CO Volume in 230 240 170 480 550 800 290 9 230 240 170 480 550 800 290 9 MORE THAN HEAT 30 3000 C Capacity Weight kW max 1 2 2 4 3 0 3 6 Capacity kW max 3 0 3 0 Capacity kW max 3 0 3 0 Capacity kW max 3 0 3 0 kg 20 35 45 55 Weight kg 50 50 Weight kg 9
16. NP Ot epatis Edi de eoo led ec cies Sas 50 6 4 C Ioanne PEOQUCIS oai rot b butter t eue CM eL tue 50 7 gei preset T 52 p Replace d se gene ee a roii beet dido ebd dada a i quta Paus 53 152 Separate the Snap In Coupling Plug from the Furnace Housing cccccssssssessesesessessssseeeeeeeeeeeeeeeeeeeees 54 8 Spare Parts Wearmp PariS cnesta o a A AUR 55 9 Nabertherm Service icsicnteisedeszcstedenscctedeasdetedend svadasseitacense state ARR eea oade Eod eV PUE Fu v donai aaa eue S 56 10 Electrical Connections Circuit Diagram sssssssscecccceccccossssscscccecoccccccossssssssccceceecccccsssssssscecceccececssssssssseccceeoo 56 11 Shiut Down Dismantling and SCOT eG Cieiesescccsnssseccxssvenetsvseecesvedecsecvecccesseesusdenesueseedcstanvovesesceesestecevsvedsseeceedecsaceuses 57 LET douvmonimential RCO UIA ONS occ ce cecal closed avt crt aaiaseadamiacecasciunse asm d adu as etam asm M bau as MM mem Eu 57 LU2 Transporation Return Itansportallofu cese eese aoreet pest eet a bete edad ese 58 12 Declaration of ConfoEmity isi EO voc rue v Use Eee DR Er bevexet o oe E Ee RUNE ud Pe isses e eise E E RU ITE EE Men 59 1 Introduction MORE THAN HEAT 30 3000 C Dear Customer Thank you for choosing a quality product from Nabertherm GmbH You can be proud that you have chosen an oven which has been especially tailored to suit your manufacturing and production conditions This product is characterized by e professional wo
17. T 30 3000 C 12 Declaration of Conformity EC Declaration of Conformity Compliant with EC Directive 2006 42 EC on machinery Annex II A We Nabertherm GmbH Bahnhofstr 20 28865 Lilienthal Germany hereby declare that the following product Product Laboratory Furnaces Muffle Furnaces Model L LE LT LV LVT SKM SW HA fulfills all the pertinent provisions contained in Directive 2006 42 EC The product named is also compliant with all the provisions of the following directives e Directive 2006 95 EC for electrical equipment designed for use within certain voltage limits e Directive 2004 108 EC on electromagnetic compatibility The signatories are authorized to compile the relevant technical documents The address is the stated manufacturer s address Any change in the product not approved by the manufacturer invalidates this declaration e DIN EN 746 1 02 2010 e DIN EN 60204 1 06 2007 e DIN EN 60519 1 05 2004 DIN EN 60519 2 05 2007 e DIN EN 61000 6 2 03 2006 DIN EN 61000 6 4 09 2007 The following harmonized standards were applied Lilienthal 12 01 2011 S BC A Sano Thomas Adamek Wolfgang Bartilla Quality Management Research and Development MORE THAN HEAT 30 3000 C Headquarters Reg M01 0032 ENGLISCH Nabertherm GmbH Bahnhofstr 20 28865 Lilienthal Bremen Germany Tel 49 4298 922 0 Fax 129 contact gnabertherm de www nabertherm com
18. ace cools down naturally Use commercially available detergent which is either water based or non combustible and free of any solvents to clean the housing of any deposits use a vacuum cleaner for the interior 50 MORE THAN HEAT 30 3000 C Follow the labeling and the instructions on the packaging of the detergent Wipe the surface with a damp lint free cloth The following detergents can also be used This list must be completed by the operator Component and Detergent location Outer surfaces Use commercially available detergent which is either water frames or non combustible and free of any solvents for cleaning Outer surface Stainless still cleaner stainless steel Interior Carefully clean with a vacuum cleaner avoid the heating elements Insulation Carefully clean with a vacuum cleaner materials avoid the heating elements Door seal Use commercially available detergent which is either water if included or non combustible and free of any solvents for cleaning Instrument panel Wipe the surface with a damp lint free cloth e g glass cleaner You must be sure that the cleaner does not damage the water soluble and hence environmentally safe paint the clear should be tried first on an interior normally unseen location Fig 23 Detergent Do the cleaning from beginning to end without breaks to protect the surfaces Remove the detergent completely from the surfaces by wiping them wit
19. al so that hot material falling out of the furnace will not cause the floor covering to ignite Despite good insulation the furnace radiates heat from its external surfaces If necessary this heat must be conducted away a ventilation engineer must be consulted if required In addition the furnace must be positioned a minimum safety distance S of 0 5 m on each side and m at the top away from combustible materials In individual cases more space must be chosen in order to match the local conditions The minimum distance away from noncombustible materials may be reduced to 0 2 m at the sides Should gases or vapors escape from the charge then sufficient air supply and ventilation at the installation location or an appropriate exhaust gas line must be provided A suitable exhaust for the burner exhaust must be provided by the customer Noncombustible base Fig 6 Installation Oven Location DANGER Fire danger to health Risk of fatal injury Adequate ventilation must be ensured at the installation location to conduct waste heat and any exhaust gases away Note Before starting the oven for the first time allow it to acclimatize at its installation location for 24 hours 32 MORE THAN HEAT 30 3000 C 4 5 Assembly Installation and Connection 4 6 Assembly of a Vent Which vents are supplied vary depending on the application order does not apply to protective gas connection Ven
20. any J Fig 29 Example type plate 10 Electrical Connections Circuit Diagram 56 S gt Note See the Appendix for the wiring diagram for this system MORE THAN HEAT 30 3000 C 11 Shut Down Dismantling and Storage 11 1 Environmental Regulations When it is delivered this oven contains no substances that make a hazardous waste classification necessary However residues of process materials may accumulate in the oven insulation during operation These may be hazardous to health and or the environment e Dismantle the electronic components and dispose of them as electric scrap e Remove the insulation and dispose of it as hazardous waste See Servicing Cleaning and Maintenance with Ceramic Fiber Material e Dispose of the housing as scrap metal Note Observe the national regulations of the country in which the kiln will be used 57 11 2 Transportation Return Transportation 58 If you still have the original packaging this is the safest way to send an oven Otherwise Choose suitable adequately sturdy packaging During transportation packages are often stacked bumped or dropped the packaging acts as external protection for your oven Drain all piping and containers before transportation return transportation e g cooling water Pump off operating materials and dispose of properly Do not subject the oven to extreme cold or hot temperatures direct sunlight Storage temperature 5
21. as electric scrap e Remove the insulation and dispose of it as hazardous waste See Servicing Cleaning and Maintenance with Ceramic Fiber Material e Dispose of the housing as scrap metal MORE THAN HEAT 30 3000 C 3 9 Explanation of the Symbols and Warnings E Note In the following operating instructions specific warnings are given to draw attention to residual risks that cannot be avoided when the oven is operating These residual risks include dangers for humans products the oven and the environment The symbols used in the operating instructions are especially intended to draw attention to safety information The symbols used cannot replace the text of the safety information Therefore always read the entire text Graphic symbols correspond to ISO 3864 In accordance with the American National Standard Institute ANSI Z535 6 the following warning information and words are used in this document The general hazard symbol in combination with the words CAUTION WARNING and DANGER warns about the risk of serious injury Observe the following information to prevent injury or death NOTICE Refers to a hazard that could damage or destroy the equipment Refers to a hazard with a minor or medium risk of injury Refers to a hazard that could cause death serious or irreversible injury Refers to a hazard that could directly cause death serious or irreversible injury Structure of the warning All warnings are structu
22. at a batch 1s likely to be damaged by the pre set response temperature of the over temperature limit controller with manual automatic reset or if the batch itself becomes a source of danger for the oven or its surroundings the temperature setting on the over temperature limit controller with manual automatic reset must be reduced to the maximum permissible value 5 4 Air Inflow Lever The volume of air fed to the furnace can be adjusted with the fresh air lever The fresh air lever is located at the side of the door at the bottom The position is explained by the symbols beside and on the lever Fres Fig 1 Fresh air lever o m O Fresh air lever is Fresh air lever is max open closed Fig 21 Regulating the feed of fresh air symbols E Notice for the Use of Catalytic Converters and Exhaust Vent Fan The air feed lever must always be set to because the exhaust gases cannot be adequately vented from the furnace chamber gt Information for LV LVT Models These models have an independent air feed system which cannot be regulated The fresh air is fed through holes in the back wall into the upper heating plate where it is pre heated and comes back out in front above the furnace chamber In the O setting of the air feed lever fresh air is also fed in which is not pre heated For complete feed air pre heating select the setting During protective gas connection operation the lever must be set to i E Note
23. ature limit controller with adjustable shut down temperature for thermal protective class 2 as specified in EN 60519 2 to protect the furnace and the ware against overheating e Manual or automatic protective gas system Protective gas connection on the back side of the furnace e Digital interface RS 422 for example for process control and documentation provided by Controltherm MV software package e Base plates and catch basins to protect of the furnace and to enable easy charging e Rectangular container stackable for charging on several levels labertherm MORE THAN HEAT 30 3000 C 1 2 Overview of the Complete Oven N M AYN N NW WW AANKAN ANNY AYA WANN AANA WU AUN WAU NN Em rbd I KEVNY WO AAAI niu EEEE Vy E BP FL Nl FVEKEVYI MOOD FEEEEYM yy j i Oy yyy yyy yyy iy NI Nn UA n MW N Furnace door J TA JE EEEKER Fr n N ALL TT T EF VFFyr rjI PANA J yyy HUNI E f MEIT iy hh AAD Dd Y AE See Oh he ae me te ee a eee oe ii A E HIzi ihe i iU 1 IIIT rITTYTYI TIF Won DOON MAN MM FP dl Handle Air for the regulation of fresh air Furnace chamber Display ERKEEREI it KERNAN K i INN A WEPPTPPPPTTE MEE PM ERPBP PE EPEI i Controller PLI Power switch ON OFF E H dl Me p gom
24. be placed or set down on the furnace or switchgear Doing so creates a fire or explosion hazard MORE THAN HEAT 30 3000 C 4 Transportation Installation and Commissioning 4 1 Delivery Check that Everything is Complete Compare the delivered items with the delivery note and the purchase order documents Immediately notify the carrier and Nabertherm GmbH of any missing or damaged parts as complaints at a later date cannot be acknowledged Danger of Injury When the oven is being lifted parts of the oven or the oven itself could topple over slip or fall Before the oven is lifted make sure no one 1s in the working area Wear safety footwear and a hard hat Safety Instructions e Forklifts must be operated only by authorized personnel The operator bears sole responsibility for safe operation and the load e When the oven is being lifted make sure that the ends of the forks or the load do not catch on neighboring goods Use a crane to move tall parts such as control cabinets e Use only lifting equipment with sufficient load bearing capacity e Lifting gear must be attached only to positions that have been designated for this purpose e Attachments piping or cable conduits must never be used to affix lifting gear e Unpackaged parts should only be lifted with ropes or straps e Attach transportation equipment only to positions intended for this purpose e Lifting and securing equipment must conf
25. cular furnace 1 in scope of delivery depends on design furnace model 2 in scope of delivery depend on need see shipping papers 3 quantity depends on furnace model 4 quantity depends on on need see shipping papers Caution Make sure that all documents are carefully stored All the functions of this furnace were tested during manufacturing and prior to shipping MORE THAN HEAT 30 3000 C 2 Specifications TI Electrical specifications are on the type plate located on the side of the oven EE I Muffle Furnace Model Tmax Dimensions Dimensions Volume Capacity Weight Minutes Drop Down Door C Interior in mm Outer in mm in kW max kg to w d h W D Tmax P H L 3l 1100 160 140 100 380 370 420 3 1 2 20 60 E Sy 1100 200 170 130 440 470 520 5 2 4 35 60 L 9 11 1100 230 240 170 480 550 570 9 3 0 45 75 L 15 11 1100 230 340 170 480 650 570 15 3 6 55 90 L 24 11 1100 280 340 250 560 660 650 24 4 5 75 95 L 40 11 1100 320 490 250 600 790 650 40 6 0 95 95 1 112 1200 90 115 110 250 265 340 1 5 10 25 3 12 1200 160 140 100 380 370 420 3 12 20 75 7551 1200 200 170 130 440 470 520 5 2 4 35 75 L 9 12 1200 230 240 170 480 550 570 9 3 0 45 90 L 15 12 1200 230 340 170 480 650 570 15 3 6 55 105 L 24 12 1200 280 340 250 560 660 650 24 4 5 Ta 110 L 40 12 1200 320 490 250 600 790 650 40 6 0 95 110 1 for connection to 230 V 1 N PE or 400 V 3 N PE Muffle F
26. d changes to the parameterization the settings or the program Original parts and accessories are designed especially for Nabertherm ovens Replace parts only with original Nabertherm parts Otherwise the warranty will be void Nabertherm accepts absolutely no liability for damage caused by using parts that are not original Nabertherm parts Catastrophes due to third party causes and force majeure 3 Safety 3 1 Intended Use MORE THAN HEAT 30 3000 C This Nabertherm system was designed and manufactured after careful selection of the harmonized standards to be observed as well as other technical specifications It therefore corresponds to the state of the art ensuring the highest possible degree of safety Only materials with known characteristics and melting temperatures may be used Check the material safety data sheets 1f necessary Use of the furnace for any other purpose whatsoever such as processing products other than those intended or handling hazardous substances or substances posing a health hazard constitutes improper use and must be agreed upon with Nabertherm in writing Whether or not the materials used in the furnace can potentially corrode or destroy the insulation or heating elements must be ascertained For furnaces with over temperature limit controllers the cutoff temperature must be set to prevent overheating of the material Modifications to system equipment must be agreed upon with Naberther
27. e enclosed power cable to the intended mains power connector on the furnace Now connect the enclosed power cable to the power connection Only use a socket with grounding contact to supply power Q S 4 Abb 12 Reconnect the power cable Type plate Fig 13 Power connection with power line l Connect the power cable to the power connection Only use a socket with grounding contact to supply power Grounding of the furnace and switching system compliant with VDE 0100 part 410 1s a prerequisite for the current operated e l c b system of the heater Test the ground resistance compliant with VDE 0100 see also accident prevention guidelines Electrical systems and equipment compliant with BGV A3 gt Note For wiring and electrical connections see the attached wiring diagram The electrical equipment of the machine can also be seen in the wiring diagram a Note The national regulations of the country of operation apply aT 38 Warning danger due to electrical current Work on the electrical equipment may only be performed by qualified authorized electricians Note For wiring and electrical connections see the attached circuit diagram The electrical equipment of the machine can also be seen in the circuit diagram NOTICE Danger from incorrect voltage Damage to the oven Check voltage before connecting and commissioning the oven
28. e screwdriver carefully push the locking latch D upward while pulling the plug 2 out of the coupling 3 D Fig 28 Separate the snap in coupling plug from the furnace housing 54 MORE THAN HEAT 30 3000 C 8 Spare Parts Wearing Parts Ordering Spare Parts Our Nabertherm Service team is available to you all around the world Due to our considerable production depth we deliver most spare parts from the warehouse overnight or can make them ready for delivery within short deadlines You can order Nabertherm spare parts easily and simply directly from the factory If you cannot find the spare part you want we will be glad to help you Spare parts can be ordered in writing by phone or on the Internet gt see the section entitled Nabertherm Service Availability of Spare Parts and Wearing Parts Although Nabertherm has many spare parts and wearing parts on stock we cannot guaranty the short term availability of all of them We recommend that certain parts be ordered in advance If you need any assistance when selecting spare parts and wearing parts the staff at Nabertherm will be glad to set aside time for you EE Ies ha comers moms o 00 o m mee mw 9 pa mesere O o Ee SNC Bs amenpswa mason Eee 9M 0000000000000 o je Power cable Quantity depending on need Symbols Can be replaced by the customer with tools and instructions Can be replaced by train
29. e supplier documentation are kept near the oven These instructions must be available at all times for anyone working with or on the oven e all the safety and operating instruction signs on the oven can be read properly Damaged or unreadable signs must be replaced immediately e oven personnel are informed regularly about all issues involving occupational safety and environmental protection and are familiar with all the operating instructions especially those involving safety e arisk assessment is carried out in Germany covered by Section 5 of the Occupational Safety Act to determine any other hazards that may result from the working conditions particular to the oven s location e all other instructions and safety guidelines that have been determined in a risk assessment for the workplace are compiled in an operation manual in Germany covered by Section 6 of the Ordinance Regulating the Use of Operating Equipment e operating personnel still in training initially perform their work at the oven under the supervision of an experienced person Successful completion of the training period must be confirmed in writing Note In Germany the VBG and BGZ accident prevention regulations must be followed The accident prevention regulations applicable in the country where the oven is installed must be followed 3 3 Requirements for the Operating Personnel Operating personnel are instructed regularly in all aspects of occupational sa
30. ease alanine Ae eee 33 4 6 Asse 010 OT ay e ER RP nr Reo Pr PICO ene db re ettet em 33 MONS NWS CCAS 5 VS LC NN acl as Tm 35 40 2 Connecting the Ovento the Power Supply sseseceto ep erede eve deer eR endete ea ee e a reus 36 AO TnserttotroE the Base PIte uoi eoe t Nbatda deut iet utveilatue a eate avions bp E stude inedite 39 4 7 COMMISSION oense ne en ne ee a ea ee ee ee ee ee 4 4 8 Recommendations for Heating the Oven for the First Time cccccc cc ccccccccccccceceeeeeeeeeeeeeeeeeeeeeeseeeseseseeeeeeeeees 4 4 9 IBro cella loe casale Rp pd Hr 42 5 dcin ee 44 5 Operating Controller B I30 P 330 oer in B vt DRE ne vut rv te ease 44 5 2 Operatii Controller ALC Renee ee eee ee ee Gba eese oix epi Pope eee a een eee ee en eee Le pM Pb d 45 5 3 Over Temperature Limit Controller with Manual Reset and Adjustable Cut Off Temperature 46 5 4 ZU IHHONCDOVOE caue deetocodtens uec stood atus ined puteus adi s esci pepe a ouest ut ws drgsaaenaateatess 47 6 servicing Cleaning and Maintenant 3 eo vE He YI EE ER EX PANE E NUEVE NE EU I EN Ya ER EIE NOU REN VN CE PINE EE RETURN ds 48 6 1 Shutting the system down for maintenance 22 2 oan UR s CO RR Ta a Ran Lats aane unu at rER DR UNES 49 6 2 Reoular Maintenance ofthe O Velo uote C aate tat tdi abel e he e nd mda fadt anke du une EUR NES Nee UAE 50 6 3 Operating and Auxiliary Materials sido pL a
31. eck heating program see 52 starting program separate instructions for controller Connection fuse s defective Check connection fuse s renew if necessary Notify Nabertherm Service if the new fuse trips on screwing in Heating element defective Have checking carried out by Nabertherm Service Very slow heating chamber Connection fuse s defective Check connection fuse s heating renew if necessary Notify Nabertherm Service if the new fuse trips on screwing in Selected end temperature is not Lack of heater output due to Have checking carried out by reached undervoltage Nabertherm Service Heating element defective 7 1 MORE THAN HEAT 30 3000 C Replacing a Fuse A fuse is located on the back of the oven beside the power cable connection The fuse is an important component of the power supply system and protects the oven and its components against damage and fire When you insert a new fuse make sure that the fuse rating 1s suitable for the voltage used by your oven NOTICE Damage to the oven and its components Use of a fuse that is NOT suitable for the respective voltage may damage the oven and its components and is a fire hazard Use only a suitable fuse type Check that the fuse type has the correct nominal current value Carry out the procedure to switch off the oven see Operation Then pull the power plug out of the socket Fuse holder Fig 24 The fuse is
32. ecked from the start of the program the converter must be operating at approx 600 C A statement cannot be made regarding residues which may be released into the environment This is largely dependent on the individual materials embedding masses used and their compositions Exhaust air cross section 120 x 120 mm Installation Fasten the U shaped brackets to the back wall of the furnace using the screws included in the scope of delivery slide the included section of pipe onto the connecting piece of the furnace and screw the vent with CAT firmly to the bracket Plug the power plug into the socket on the back side optional of the switchgear or into an external socket Fig 9 Catalytic converter Installation of a Exhaust Gas Pipe on LV T Models These models come with a special exhaust gas pipe Begin the installation by fastening the rectangular pipe to the inner housing of the furnace with the screws included in the scope of delivery then by fastening the rounds section to the outer housing The screws included in the scope of delivery are for this purpose Operating the furnace without this pipe results in a reduced air flow which is insufficient for an incinerating process Caution The installation of a catalytic converter or vent with fan is not possible on these models MORE THAN HEAT 30 3000 C 4 6 1 Waste Gas System We recommend connecting an exhaust air pipe to the furnace to remove the exhaust ga
33. ed personnel with tools and instructions NT Nabertherm Service required E Note Original parts are designed especially for Nabertherm ovens Replace parts only with original Nabertherm parts Otherwise the warranty will be void Nabertherm accepts absolutely no liability for damage caused by using parts that are not original Nabertherm parts E Note Contact our Nabertherm Service for removing and installing replacement and wear parts See section on Nabertherm Service Work on the electrical equipment may only be performed by qualified and authorized specialist electricians This applies also to repairs not described below 55 9 Nabertherm Service Contact Nabertherm Service at any time for maintenance and repair st poy If you have any questions problems or requirements contact Nabertherm GmbH By mail u phone or e mail Y e m Mail Nabertherm GmbH Bahnhofstrasse 20 28865 Lilienthal Germany Phone or Fax Phone 49 4298 922 0 Fax 49 4298 922 129 i Web or e mail www nabertherm com contact nabertherm com When you contact us please have the type plate details of the oven or controller at hand Provide the following details from the type plate d I D Kiln model GITSHIEME 5 C O O Serial number MORE THAN HEAT 30 3000 C lt XXXXXXXXXXX l SN Xxxxxx 2 3 Article number UU a gt Year of construction XXXXXXXXXXX 3 20xx 4 PAE m due Made in Germ
34. er If particularly heavy or bulky packages cannot be stored in halls or sheds they must be covered carefully with a tarpaulin or similar The symbol shows only where the sling should be attached not the method of slinging If the symbols are at an equal distance from the middle or center of gravity of the package the package hangs straight if the slings are the same length If this is not the case the sling on one side has to be shortened 29 4 2 Unpacking Note The oven packaging prevents damage during transportation Make sure that you remove all packaging material also inside the oven chamber Keep the packaging and transportation securing equipment in case it is needed for future transportation or storage At least two people are needed to carry transport the oven more for larger ovens Wear protective gloves Check the transportation packaging for possible damage Remove tensioning straps from the transportation packaging 3 Slacken screws and remove wooden casing from the covering box if available Carefully lift the cardboard box and remove it from the pallet 9i Remove the foam insert in the box The box contains a packaging unit for accessories Example exhaust air tube insert plate power cable Compare the delivered items with the delivery note and the order documents see Delivery 6 Carefully lift the furnace out of the packaging unit 30 To carry grip furnace from below at the side
35. fety and environmental protection and are familiar with all the operating instructions in particular safety instructions Only trained personnel may operate the control and safety equipment The operator should complete these details 3 4 Protective Clothing Q Operator The oven may only be transported by The oven may only be installed by The oven may only be commissioned by Initial instructions may only be given by Faults may only be rectified by The oven may only be maintained by The oven may only be cleaned by The oven may only be serviced by The oven may only be repaired by The oven may only be shut down by Wear protective clothing Wear heat resistant gloves to protect your hands oe Wear protective goggles Y MORE THAN HEAT 230 3000 C The oven may be operated only by persons who are trained instructed and authorized to do so These persons must know the operating instructions and act accordingly The authorizations of the operating personnel must be clearly defined Only adequately qualified and authorized persons may operate maintain or repair the oven 3 5 Basic Measures During Normal Operation Risks during Normal Operation Before switching the oven on check and ensure that only authorized persons are in the working area of the oven and that no one can be injured as a result of operating the oven Before starting production each time check and ensure that all the safe
36. furnace chamber volume in L 11 Tmax 1100 C 2012 F 12 Tmax 1200 C 2192 F 13 Tmax 1300 C 2372 F HA Laboratory furnace with recirculating air fan in the back wall SKM Furnace chamber made of ceramic muffle SW Scale furnace with support frame and scale M C e dbertherm MORE THAN HEAT 38 3000 C LT 9 11SKM SN XXXXXX IL CO11H6SN 1100 C 2011 230 V 1 N PE 15 2A 50 60Hz 3 5kW WTaDeHthenmue Made in Germany J Fig 2 Example Model designation type plate 1 4 Scope of Delivery _ The scope of delivery includes Furnace components Quantity Comment Laboratory furnace 1 1 x Nabertherm GmbH Power cable 1 1x Nabertherm GmbH Vent 2 1x Vent with fan 1 2 Catalytic converter 1 2 Ceramic ribbed plate 4 Ceramic ceramic catch basin Steel catch basin Gas supply system 2 1 x Nabertherm GmbH Scale 2 1x Nabertherm GmbH Process documentation 1x Nabertherm GmbH Controltherm MV software package 1 2 Other components variable depending Consult the shipping on the particular furnace papers Document type Quantity Comment Instruction Manual Laboratory Furnace 1 1 x Nabertherm GmbH Operating Instructions for Controller 1 1x Nabertherm GmbH Operating Instructions 1x Nabertherm GmbH gas supply system 1 Operating Instructions 1x Nabertherm GmbH Controltherm MV software package 1 Other documents variable depending on the parti
37. gger temperature the heating is switched off to protect the oven and the load FSH alarm flashes on the over FSH temperature limit controller When the temperature in the oven chamber falls below the value set on the over temperature limit controller the following buttons have to be pressed to release the heating so that the oven can continue to operate Release heating Press b and Re simultaneously The alarm on the over temperature limit controller is reset and this releases the heating Adjust the trigger temperature Set the required trigger temperature with the 7 EA button zn Example 270 C Increase the value with EA 260 269 270 n EB 26 Reduce the value with 270 261 260 To change the value quickly hold the V A button depressed for longer Wait 2 seconds until the new trigger temperature is integrated automatically display flashes 1x Note Premature triggering of the over temperature limit controller can be avoided 1f the difference between the adjustable temperature in the oven chamber and the trigger temperature is not below 10 C The display jumps back to the start screen showing the trigger 270 C temperature The current trigger temperature is displayed Entry finished For more information about operation see the separate instructions for the Eurotherm 21321 Nabertherm MORE THAN HEAT 30 3000 C NOTICE Overheating Damage to the batch If as a result of excessive he
38. h a damp lint free cloth After cleaning all the supply lines check all the connections for leaks loose connections abrasion and damage report any shortcomings found immediately Please follow the section entitled Environmental Protection Rules and Regulations Caution The furnace the furnace chamber and attached components must NOT be cleaned using a high pressure cleaner DANGER Danger of electric shock Risk of fatal injury Before cleaning pull out the power plug Do NOT pour water or cleaning products over the inside or outside surfaces Allow oven to dry completely before operating it again SI 7 Faults Type of fault Work on the electrical system may be done only by qualified authorized electricians Operators may only rectify faults that are obviously due to operating errors Call the local electrician for faults that you cannot localize If you have any questions problems or requirements contact Nabertherm GmbH By mail phone or e mail See Nabertherm Service Possible causes Fault rectification Controller does not switch on No voltage available Check connection fuse s renew if necessary Controller defective Check controller fuses if available renew if necessary Check plug connector Controller indicates fault See separate instructions for See separate instructions for controller controller No heating chamber heating after Error in program input Ch
39. ize and design of the exhaust air system must be decided by a ventilation expert The accident prevention regulations applicable in the country where the furnace is installed must be followed 35 4 6 2 Connecting the Oven to the Power Supply 36 On the building side the required services must be provided i e the carrying capacity of the installation surface provision of power electricity etc Note The furnace must be installed in accordance with its intended use The power connection values must correspond to the values on the furnace type plate The power socket must be located close to the furnace and must be easily accessible The safety requirements are not met if the furnace is not connected to a socket with grounding contact On use of an extension cable or a multipoint socket the maximum electrical rating must not be exceeded Do not use the furnace with an extension cable if you are uncertain whether grounding is guaranteed The power cable must not be damaged Do not place any objects on the power cable Route the cable so that nobody can tread on or stumble over it A damaged power cable must be replaced immediately Ensure that the furnace s connection cable is routed so that it is protected Before connecting the voltage supply make sure that the power switch is in the Off or 0 position Type plate Fig 11 Illustrated power cable enclosed in the scope of delivery First connect th
40. l regulations are observed Warning Fire Danger This symbol warns operators of the danger of fire if the following information is not followed Warning Risk of Explosive Substances or Explosive Atmosphere These symbols warn the operator of explosive substances or an explosive atmosphere Prohibited Important Information for Operators This symbol warns the operator that water or cleaning products must NOT be poured over the objects A high pressure cleaning device must also not be used Warning Signs on the Oven Warning Hot Surface Danger of Burning Do Not Touch You may not always realize that surfaces such as oven components oven walls doors and materials and even liquids are hot Do not touch the surface Warning Danger of Electric Shock Warning dangerous electric voltage 23 3 10 General Risks with the Oven 26 Warning General hazards Risk of burning on the furnace housing and on the tube The door handle grip can become very hot during operation wear gloves Risk of crushing on moving parts door hinge rotary tube drive lifting table etc The switchgear cabinet if present and the terminal boxes on the system contain dangerous electrical voltages Do not insert any objects into the openings on the furnace housing exhaust air holes or cooling slots on the switchgear or furnace if present This poses a risk of electric shock Warning General hazards No objects may
41. m in writing It is not permitted to remove bypass or shut down safety devices The installation instructions and safety guidelines must be observed Otherwise the furnace will not be considered as being used as designated and all claims against Nabertherm GmbH will be void Opening the furnace when hot temperature greater than 200 392 C F can lead to accelerated wear of the following components insulation heating elements and furnace housing Operating with power sources products operating equipment additives etc that are subject to the Ordinance on Hazardous Substances or cause risks to the health of operating personnel in any way is not permitted This furnace 1s designed for commercial use The furnace must not be used for heating food animals wood grain etc The furnace must not be used as a workplace heater Do not use the furnace to melt ice or similar materials Do not use the furnace as a clothes dryer Note See safety instructions in the individual sections Note The oven must not be operated with explosive gases or mixtures and it must be ensured that explosive gases or mixtures do not form during the process This oven has no safety technology for processes in which ignitable mixtures could form e g debinding If the oven is to be used for such processes the concentration of organic gases must never exceed 3 of the lower explosive limit LEL in the oven This requirement not only applie
42. mells Wait until the oven has cooled naturally to room temperature DANGER Danger of electric shock Risk of fatal injury Work on electrical equipment may be carried out only by qualified electricians or by trained personnel authorized by Nabertherm Before starting work pull out the power plug 3 Basic Measures for Servicing and Maintenance Maintenance work must be performed by authorized persons following the maintenance instructions and the accident prevention regulations We recommend that the maintenance and repair work be carried out by the service team of Nabertherm GmbH Non compliance may cause injuries death or considerable damage to property Switch off the oven and make sure it cannot be switched on again inadvertently lock the main switch and secure it with a padlock or pull out the power plug Clear an adequate area around the oven to facilitate the repair work Suspended loads are dangerous Working beneath a suspended load is prohibited There is a risk of fatal injury Relieve the pressure on hydraulic equipment before carrying out maintenance or repair work if applicable When cleaning ovens control cabinets or electrical equipment housings never spray them with water When maintenance or repair work has been completed before recommencing production ensure the following e Check that loosened screw connections have been re tightened e Reinstall protective equipment sc
43. nsulation Active handling of these fibers e g exchange of the insulation in the Federal Republic of Germany is subject to the conditions of the Ordinance on Hazardous Substances Annex V No 7 Artificial mineral fibers of June 12 1998 In the rest of the European Union ceramic fibers are categorized as follows by Directive 97 69 EC of the Commission of December 5 1997 CARC Cat 2 R 49 X1 R 38 Work with the fiber insulation must therefore be done in such a way that as little fiber dust as possible is released Zi MORE THAN HEAT 30 3000 C The following points must be noted when handling ceramic fiber Dust development during processing should be minimized Contact with skin and eyes should be avoided The effects caused by fibers on the skin or in the eyes may cause mechanical irritation as a result of which reddening and itching may occur When processing large quantities of ceramic fibers loose work clothing with long sleeves gloves and safety glasses should be worn When working with ceramic fiber insulation inside furnaces a half quarter mask with P2 filter should additionally be worn The furnace and its operating equipment must be regularly checked in accordance with the regulations of the employer s liability insurance association BGV A3 or the corresponding national regulations in the relevant country of use 6 1 Shutting the system down for maintenance Warning General hazard
44. nt press the Q button once The display alternates between temperature set point in the entry level Example H C Use the O buttons to set the required oven temperature temperature set point between amp C and Increase the value with ces Reduce the value with O Wait 2 seconds until the new temperature set point is integrated automatically display flashes 1x For the required temperature set point you can choose a temperature range from 5 C above room temperature to 300 C The display changes automatically after 15 seconds or if you press the Q button again The current oven temperature is displayed Example ce eC Switch on heating I You can check the temperature set point at any time with the Q button Juk C Example gt The heating process is started Use the switch to switch the heating on and off When the K2 lamp 9 e flashes this means that the heating is ready MORE THAN HEAT 30 3000 C Display 30 LC 45 5 3 Over Temperature Limit Controller with Manual Reset and Adjustable Cut Off Temperature 270 sc A 46 Fig 19 Over temperature limit controller with manual reset 21321 Description Display The over temperature limit controller with manual reset monitors the 260 C temperature in the oven chamber The display shows the last trigger temperature that was set If the temperature in the oven chamber exceeds the set tri
45. ol draws the maintenance personnel s attention to important operating and maintenance instructions service that must be followed Rule Pull Out the Power Plug This symbol tells the operator to pull out the power plug PPPPPPPP G N A gt gt MORE THAN HEAT 30 3000 C Rule Lift only with Several People This symbol draws the personnel s attention to the fact that this device may only be lifted and moved to its final destination by several people Warning Hot Surface Do Not Touch This symbol warns the operator that the surface is hot and should not be touched Warning Danger of Electric Shock This symbol warns the operator that there 1s a risk of an electric shock if the following warnings are not heeded Warning Risk of Device Toppling Over This symbol tells the operator that there is a risk of the device toppling over if the following warnings are not heeded Warning Suspended Load This symbol warns the operator of potential dangers of suspended loads Working below a suspended load is strictly forbidden Ignoring this can lead to fatal injury Warning Danger if Heavy Loads Are Lifted This symbol warns the operator of the potential dangers of lifting heavy loads Ignoring this can lead to injury Warning Risk to the Environment This symbol warns the operator of the risk to the environment if the following information is not heeded The operator must ensure that national environmenta
46. op Down Door LV 3 11 LV 5 11 LV 9 11 LV 15 11 Tmax ge 1100 1100 1100 1100 1 for connection to 230 V 1 N PE or 400 V 3 N PE 2 incl exhaust air pipe 80 mm Capacity Weight Weight kg 50 60 kg 42 60 70 Weight kg 10 10 15 18 25 Weight kg 20 35 45 55 Dimensions Dimensions Volume Capacity Interior in mm Outer in mm in kW max Ww d W D h H 200 170 130 440 470 520 5 2 4 230 240 170 480 550 570 9 3 0 230 3401170 480 650 570 15 3 6 Dimensions Dimensions Volume Interior in mm Outer in mm in kW max Ww d W D H 170 130 440 470 520 220 5 2 4 230 240 170 480 550 570 290 9 3 0 230 340 170 480 650 570 290 15 3 6 Dimensions Dimensions Volume Capacity Interior in mm Outer in mm in kW max Ww d W D h H 90 115 110 250 265 340 1 1 5 110 180 110 275 380 350 2 1 8 170 200 170 335 400 4104 1 8 170 200 170 510 400 320 6 1 8 220 300 220 555 500 370 14 2 9 Dimensions Dimensions Volume Capacity Interior in mm Outer in mm in kW max Ww d W h Hb 160 140 100 380 370 750 3 1 2 200 170 130 440 470 850 5 2 4 230 240 170 480 550 900 9 3 0 230 340 170 480 650 900 15 3 6 Minutes to Tmax 45 50 60 Minutes to Tmax 45 50 60 Minutes to Tmax 10 25 35 35 40 Minutes to Tmax 120 120 120 120 Incinerator Model Tmax Dimensions Dimensions Lift Door C Interior in mm Outer in mm w d W D Hb h
47. orm to the provisions contained in accident prevention regulations e Consider the weight of the oven when choosing lifting and securing equipment see Specifications e Stainless steel parts including mounting elements must always be kept separate from unalloyed steel parts e Do not remove corrosion protection until immediately prior to assembly Risks during Normal Operation Suspended loads are dangerous Working beneath a suspended load is prohibited There is a risk of fatal injury Note Safety and accident prevention guidelines applicable for forklift trucks must be followed 27 28 Transportation with a Pallet Truck Observe the maximum permitted capacity of the pallet truck l Our ovens are delivered ex works on wooden frames to facilitate unloading Transport the oven in its original packaging and with suitable equipment to prevent any damage Remove the packaging only when the oven is in its final location When transporting the oven make sure it is secured against sliding toppling over and damage The oven should be transported and installed by at least two persons Do not store the oven in damp rooms or outdoors Push the pallet truck underneath the transportation frame Make sure that the pallet truck is completely beneath the frame Pay attention to neighboring goods AD IT Nd Pallet truck is pushed completely beneath the transportation frame Lift the oven carefully and pay attention to its
48. red as follows Hazard symbol Signal word Indicates the risk of injury Classifies the danger Type and source of the danger Consequences of non compliance Action to prevent danger Graphical symbols optional Reference texts according to ISO 3864 Type and source of the danger Consequences measures and Possible consequences of non prohibitions compliance Measures Prohibitions 23 24 or Hazard symbol Signal word Indicates the risk of injury Classifies the danger DANGER Type and source of the danger Consequences of non compliance Action to prevent danger Graphical symbols optional Graphical symbols according to ISO 3864 optional according to ISO Consequences measures and 3864 prohibitions Instructions or prohibitions Reference texts Type and source of the danger Possible consequences of non compliance Measures prohibitions Information Symbols in the Instructic __ Note Below this symbol you will find instructions and particularly useful information Rule Rule Sign This symbol draws attention to important rules that must be followed Rule signs protect people against injury and show what is to be done in certain situations Rule Important Information for Operators This symbol draws the operator s attention to important information and operating instructions that must be followed Rule Important Information for Maintenance Personnel This symb
49. reens and filters e Remove all material tools and other equipment used for the maintenance or repair work from the working area of the oven e Remove any liquids that have leaked e Check that all safety functions e g emergency stop button work properly Power cables may be replaced only with similar approved cables 21 3 8 Environmental Regulations 22 All statutory duties regarding waste avoidance proper recycling and disposal must be observed when work is carried out on and with the oven Problem materials that are no longer needed such as lubricants or batteries must not be placed in normal waste disposal systems or allowed to enter the sewage system During installation repair and maintenance work substances that are hazardous to water such as e lubricating grease and oils e hydraulic oils e refrigerants e solvent based cleaning fluids must not be allowed to contaminate the soil or enter the sewage system These substances must be stored transported collected and disposed of in suitable containers Note The operator must ensure that national environmental regulations are observed When it is delivered this oven contains no substances that make a hazardous waste classification necessary However residues of process materials may accumulate in the oven insulation during operation These may be hazardous to health and or the environment e Dismantle the electronic components and dispose of them
50. rkmanship e high performance due to its high efficiency e high quality insulation e low power consumption e low noise level e simple installation e easy to maintain e high availability of spare parts Your Nabertherm Team Note These documents are intended only for buyers of our products and may not be copied or disclosed to third parties without our written consent Law governing copyright and associated protective rights German Copyright Law from Sept 9 1965 Protective Rights Nabertherm GmbH owns all rights to drawings other documents and authorizations also in case of applications for protective rights Note All the figures in the instructions have a descriptive character in other words they do not represent the exact details of the oven 1 1 Product Description pot These laboratory furnaces are a high quality product which will give you many years of reliable service if they are properly cared for and maintained One basic prerequisite is that the furnace is used the way it was designed to be used During development and production a high priority was placed on safety functionality and economy Laboratory Furnaces are attractive thanks to their many advantages These furnaces are all rounders for research and laboratory applications They are made from expertly finished high quality materials and are easy to operate These furnaces are optimally designed for incinerating and heat treatment The ve
51. rnace base does not exceed 2 kg 39 40 Installing the Scale on the L T SW Model Insert the ceramic stamp D included in the scope of delivery from below into the hole in the floor of the furnace Place the scale 2 in the frame under the furnace At the same time raise the pipe carefully and place it on the supporting surface of the scale To hold the pipe in place the support die 3 must be slide into the space between the pipe and the supporting surface of the scale This is done by carefully raising the pipe In the furnace chamber slide the ceramic plate 4 with its guide onto the pipe and orient it precisely The pipe must be free standing on the scale and must not have any contact with the furnace insulation to avoid falsifying the measurement results Connect the scale with the power plug The function of the scale This information can be found in the instructions enclosed with the scale Separate instruction manual for MV software optional Fig 15 Scale MORE THAN HEAT 30 3000 C 4 7 Commissioning a The oven may be put into operation only by qualified persons and in compliance with the safety instructions Read the section on Safety When the oven is put into operation the following safety information must also be observed to prevent serious injury damage to the oven and damage to other property Make sure that the instructions and information in the controller instructions are obser
52. room temperature 49 6 2 Regular Maintenance of the Oven Position Measure Maintenance Interval Operatin Qualifi Maintenance Point g ed Safety test in accordance According to According to regulations X with BGV A3 or regulations corresponding national regulations Safety and Function test X limit switches 1f available Furnace chamber flue Clean and check for X outlets and flue damage vacuum out carefully Seal surfaces door lining furnace lining Visual check Heating elements Visual check visible part of the heating element in the furnace chamber Check for even power Function test consumption of heating Thermocouple Visual check visible X part of the thermocouple in the furnace chamber Set setpoint Test according to work schedules m clean e check replace x performance by Fig 22 Maintenance Warning Danger of Electric Shock Work on the electrical equipment may be done only by qualified authorized electricians Note Maintenance work must be performed by authorized personnel following the maintenance instructions and the accident prevention regulations We recommend that the maintenance and repair work be carried out by the service team of Nabertherm GmbH 6 3 Operating and Auxiliary Materials 6 4 Cleaning Products Follow the procedure for shutting down the furnace system in the Operation section Then the power plug must be pulled out of the socket Wait until the furn
53. ry best insulation materials permit energy saving operation and fast heating times thanks to low heat storage and thermal conductivity Laboratory furnaces attain furnace chamber temperatures of max 1100 C 2012 F 1200 C 2192 F or 1300 C 2372 F Other characteristics of this product are e All the models have a high quality multi layered and energy saving thermal insulation e Double wall housing means low outer temperatures and solid stability All furnaces have housings made of textured stainless steel sheet e Good temperature uniformity provided by special air supply and exhaust system for models LV LVT and LT HA For models LV LVT the system delivers more than 6 air changes a minute The incoming air is pre heated so that a good temperature uniformity is ensured e There are furnaces with drop down doors or lift doors e Ceramic heating plates with integrated heating wire protected against splattering and exhaust air for models L LT and LV LVT e Model L LT SW with scale and software Controltherm MV for annealing loss specifications e All the models are equipped with a controller which provides considerable safety against operator mistakes The furnace chamber temperature is measured and regulated by a long life thermocouple NiCr Ni Tmax 1100 C or PtRh Pt Tmax gt 1100 C Additional Equipment e Vent vent with fan or catalytic converter e Over temper
54. s Cleaning lubrication and maintenance tasks may only be performed by authorized experts following the maintenance instructions and accident protection guidelines We recommend that maintenance and repair be performed by Nabertherm GmbH Service Failure to comply runs the risk of bodily injury death or significant property damage Wait until the furnace chamber and attached parts have cooled to room temperature e The furnace must be completely emptied e Notify operating personnel and specify a supervisor e Switch off the main switch and disconnect the mains power connector e Lock the main switch and secure against restoration of power using a padlock e Attach a warning sign on the main switch e Seal off a large area around the servicing area e Check for disconnection of power e Ground and short circuit the working area e Cover any nearby parts still under power Warning General hazards Do not touch any object without first checking its temperature Warning Danger of Electric Shock Work on the electrical equipment may be done only by qualified authorized electricians During maintenance work it must be ensured that the oven and the switching equipment cannot be activated by mistake pull out the power plug and that all moving parts in the oven are secured Observe BGV A3 or the corresponding national regulations in the country where the oven is installed Wait until the oven and the connected parts have cooled to
55. s and make sure you have a firm grip For furnaces weighing more than 25 kg transport work must be carried out by at least 2 people If transport straps are used they must be attached crosswise only Ensure that they are secure E Note In Germany the general accident protection guidelines of VBG or BGZ must be observed The national accident prevention regulations of the country of operation apply E Note Save the packaging for possible shipping or for storing the furnace 4 3 Transportation Securing Equipment Packaging gt Note No special transportation securing equipment is available for this oven The oven packaging prevents damage during transportation Make sure that you remove all packaging material also inside the oven chamber All packaging material can be recycled The packaging was designed so that no special description is necessary 4 4 Constructional and Connection Requirements 4 4 1 Installation Oven Location When setting up the furnace the following safety instructions must be followed e The furnace must be installed in a dry room in accordance with the safety instructions e The table supporting surface must be flat to enable the furnace to be installed straight The furnace must be placed on a noncombustible base stone metal etc e The carrying capacity of the table must be designed to bear the weight of the furnace incl accessories e The floor covering must be made of nonflammable materi
56. s to normal operation but also especially to exceptions such as process faults e g due to the failure of a unit etc Nabertherm offers a wide range of ovens and furnaces that were especially developed for processes with ignitable gases 17 Note This product does not comply with the ATEX Directive and may not be used in ignitable atmospheres It must not be operated with explosive gases or mixtures or during processes where explosive gases or mixtures are produced 3 2 Requirements for the Oven Operator The set up instructions and safety regulations must be followed otherwise the oven will be deemed to have been used improperly effectively cancelling any claims against Nabertherm GmbH This level of safety when operating the oven can be achieved only if all the necessary measures have been taken It depends on the oven operator s diligence in planning these measures and controlling how they are carried out The operator must ensure that e all harmful gases are removed from the workplace for example by an extraction system e the extraction system is switched on e the workplace is properly ventilated e the oven is operated only in a perfect operating condition and in particular that the functions of the safety components are checked regularly e the required personal protective equipment is available for and used by the operating maintenance and repair personnel e these operating instructions including th
57. ses For this purpose you can use a commercially available metal exhaust gas pipe with NW80 to NW120 It must be installed continuously rising and fastened to the wall or ceiling Center the pipe over the furnace vent for models with vent fan or catalytic converter NW 120 is necessary The exhaust gas pipe must not be installed with a tight fit to the furnace vent pipe since this would prevent any bypass effect This is necessary so that not too much fresh air is sucked in by the furnace An exception are the LV furnaces Here the exhaust gas pipe NW80 can be slid directly onto the furnace vent pipe Vent Position the exhaust air piping approx 50 mm over the vent Exhaust air model LV LVT or vent with fan P Exhaust air piping can be slid directly onto the exhaust air pipe or vent i Furnaces without exhaust air pipe or with catalytic converter C We recommend feeding the exhaust air through a flue Exhaust air piping dd NF p p x Pp J a SS x eZ p EP P P T a To cdd a p p a hdi b P d J B A d ln amp FI X x o S 4 s amp Fig 10 Example Various ways of removing the exhaust air Caution The exhaust gases can only be vented if the workspace is ventilated with an adequate fresh air opening E Caution The customer is responsible for providing the masonry and roofing work necessary for venting the exhaust The s
58. t not for LV models e Vent which exhausts the escaping gases and vapors through the exhaust air connecting piece back wall and releases them overhead Exhaust air cross section 40 x 30 mm e Install by slipping the vent onto the connecting piece on the back wall of the furnace and fasten it with the screws included in the scope of delivery Fig 7 Vent Vent with fan not for LV models e Supports the venting of gases and vapors from the furnace chamber Exhaust air cross section 85 x 60 mm e Install by slipping the vent onto the connecting piece on the back wall of the furnace and fasten it with the screws included in the scope of delivery Plug the connecting plug into the socket on the back of the switchgear optional or in an external socket ALLLLLLE Vive DUO ridet xA 1 Fig 8 Vent with fan Vent with fan and catalytic converter not for LV models e Heats the gases and vapors from the furnace chamber to approx 600 C and feeds it through the catalytic converter honeycomb The converter incinerates most of 33 34 the organic substances 1 e breaks them down into carbon dioxide and steam This largely eliminates any annoying odors for example during dewaxing Warning Inorganic substances such as heavy metals halogens silicons and particulates even in small quantities will destroy the catalytic converter The temperature of the catalytic converter must be ch
59. ter the door is reclosed it is automatically switched on again not applicable to LE models If it can be at all avoided do not open the furnace when it is hot When it is necessary to open the furnace at a high temperature the time should be kept to an absolute minimum Make sure that operators wear the appropriate protective clothing and that the workspace is adequately ventilated Always make sure that the door is completely closed Stainless steel sheet can discolor especially if the furnace is opened while hot This does not impair functionality in any way This is no reason for a complaint Caution LE Models Continuous operation at maximum temperature can lead to increased wear of the heating elements and the door seal We recommend operating at approx 50 C below the maximum temperature Caution for LT HA Models The recirculating air motor starts when the program begins and cuts out again automatically when the program ends and the furnace chamber temperature has dropped to below 80 C 176 F Above this temperature the furnace must not be switched off or disconnected from its power source If this caution is not observed the recirculating air motor may be damaged Warning Danger of Electric Shock For the protection of the operator and the furnace the heating program must be stopped before the furnace is loaded Ignoring this warning can result in electric shock Cracks in the insulation
60. ty equipment works properly Before starting production each time check the oven for obvious damage and ensure that it is operated only in a perfect condition Report any defects to a supervisor immediately Before starting production each time remove all materials and objects that are not needed for production from the working area At least once every day see also Servicing and Maintenance check the following e Check the oven for obvious external damage e Check that all safety equipment is working as intended e g emergency stop button e Check all hydraulic or pneumatic hoses make sure that they are not leaking and that they are connected properly if applicable e Check all gas and oil lines make sure that they are not leaking and that they are connected properly if applicable e Check that the fan works properly 3 6 Basic Measures in Case of Emergency 3 6 1 What to do in an Emergency 20 Note The power plug is to be pulled out to stop the oven in case of an emergency Therefore the power plug must be accessible at all times when the oven is operating so that it can be pulled out quickly in case of an emergency N m ORO zx DA g SSS 5 SS B Fig 4 Pulling the power plug MORE THAN HEAT 30 3000 C Risks during Normal Operation Switch the oven off immediately in case of unexpected occurrences in the oven e g a lot of smoke or unusual s
61. urnace Model Tmax Dimensions Dimensions Volume Capacity Weight Minutes Lift Door C Interior in mm Outer in mm in kW max kg to w d w D H Tmax h LT 3 11 1100 160 140 100 380 370 420 165 3 1 2 20 60 LT 5 11 1100 200 170 130 440 470 5204220 5 2 4 35 60 LT 9 11 1100 230 240 170 480 550 570 290 9 3 0 45 75 LT 15 11 1100 230 340 170 480 650 570 290 15 3 6 55 90 LT 24 11 1100 280 340 250 560 660 650 335 24 4 5 75 95 LT 40 11 1100 320 490 250 600 790 650 335 40 6 0 95 95 LT 3 12 1200 160 140 100 380 370 420 165 3 1 2 20 75 LT 5 12 1200 200 170 130 440 470 5204220 5 2 4 35 75 LT 9 12 1200 230 240 170 480 550 5704290 9 3 0 45 90 LT 15 12 1200 230 340 170 480 650 570 290 15 3 6 55 105 LT 24 12 1200 280 340 250 560 660 650 335 24 4 5 75 110 LT 40 12 1200 320 490 250 600 790 650 335 40 6 0 95 110 1 for connection to 230 V 1 N PE or 400 V 3 N PE 2 incl opened lift door Muffle Furnace Model Drop Down Door L 5 13 L 9 13 L 15 13 Tmax C 1300 1300 1300 1 for connection to 230 V 1 N PE or 400 V S N PE Muffle Furnace Model Lift Door LT 5 13 LT 9 13 LT 15 13 Tmax C 1300 1300 1300 200 1 for connection to 230 V 1 N PE or 400 V 3 N PE 2 incl opened lift door Compact Muffle Furnace Model Drop Down Door LE LE LE LE LE 1 11 2 11 4 11 6 11 14 11 Tmax 5 1100 1100 1100 1100 1100 1 for connection to 230 V 1 N PE or 400 V S N PE Incinerator Model Dr
62. ved and followed The oven may be used only for its intended purpose Ensure that only authorized persons remain in the working area of the oven and that no other persons are put at risk when the oven is put into operation Before starting the oven for the first time make sure that all tools foreign parts and transportation securing equipment have been removed Activate all safety equipment power switch emergency stop button if applicable before putting the oven into operation Incorrectly wired connections may destroy electric electronic components Observe the special protective measures e g grounding for components that are at risk Faulty connections can cause the oven to start unexpectedly Before you switch on the oven make sure that you know what to do in case of faults or emergencies Before starting the oven for the first time check the electrical connections and control displays Before placing materials in the oven check whether they could harm or destroy the insulation or the heating elements Materials that could damage the insulation include alkalis alkaline earths metal vapors metal oxides chlorine compounds phosphorous compounds and halogens Note Before starting the oven for the first time allow it to acclimatize at its installation location for 24 hours 4 8 Recommendations for Heating the Oven for the First Time The furnace must first be heated up to dry out the masonry and generate a

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