Home

User instructions

1. M 42 8 Spare Faris Wearina Parts noA eee be Aon en dud aod 43 8 1 Replacinoa Tl eave Ple airis 45 8 2 Iseplacins a LBettHocOUDle a dad 48 8 3 Replacement Readjustment of the Door Insulation Structure 5 8 4 DR FO MG TP GT ei S A E PEE RER CR RE tute IC RED oue tom ut dde donc tette cum mentee um E OREI 52 8 5 Separate the Snap In Coupling Plug from the Furnace Housing menu 53 8 6 Reparto the IS WIA ON e NI RR EUER 53 9 Electrical Connections Circuit Diagram crecer eee eee ee oorr reete ee eee eee eoe eee epe eee eee eee eee sees eee Pepe Peppe eee eee e eere eee 54 10 Naberthera Service iii diocesano 55 11 Shut Down Dismantling and SOTA tido Aden 56 11 1 Transportation Return Transport i s 57 12 Declaration OF CA ato 58 13 Dor YOUE NOTES o eae LL TUE 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 workmanship 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 Y our Nabertherm Team Note These documents are intended only for buyers of our products and may not be copied or disclosed to th
2. Nabertherm MORE THAN HEAT 230 3000 C Operating Instructions High Temperature Furnace Tabletop Model HTCT 01 14 HTCT 01 16 08 2010 Original instructions E Made in Germany www nabertherm com Copyright Copyright by Nabertherm GmbH Bahnhofstrasse 20 28865 Lilienthal Federal Republic of Germany Reg M01 0016 ENGLISCH Rev 2010 08 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 Introduction cica catia sai E 5 1 1 a AAA A A II 6 1 2 Overview Or ine Complete O VEL spc au ccd stia ip odds 7 1 3 Key to the Model Names dios 8 1 4 AA REC PRR eee 9 2 SPECTICACIONS eli 10 21 Merci android 11 3 O RR E RR UITI In IS PPNO O N e ap Pe RU NI VS N ea 12 3 1 Mena o USE aia A A E dal a sate nat ti dota 12 3 2 Requirements 101 tlie Oven Gr acne seo en etre alte ea Dd 13 3 3 Requirements for the Operating Personal da 14 3 4 Protective OLIIMI UR m 14 J Basic Measures During Normal Operation anna 14 3 6 Basic Measures in Case of ocio 15 3 6 1 Wat 10 10 11 an er C10 4307 ear aa AT 73 a ANTE 73 at A aa I5 3 7 Basic Measures for Servicing and Maintenance 16 3 8 Environmental Reseulatiors itae ir e a ee ete uda uM ee a 5 17 3 9 Explanation of the Symbols and Warning ae 18 3 10 General Risks WANANE O Velo uod pte cou A aan 21 4 Transportati
3. 3 8 Environmental Regulations All statutory duties regarding waste avoidance proper recycling and disposal must be observed when work 1s 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 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 17 3 9 Explanation of the Symbols and Warnings NOTICE gt Note In the following operating instructions specific warnings are
4. RS 422 digital interface Power cable with snap in coupling Additional power connection fuse for additional power connection e g for manual or automatic gas supply system accessory Fig 1 Overview The example here is a high temperature furnace Model HTCT 01 with accessories 1 3 Key to the Model Names Example HTCT 01 16 HTCT 01 16 HTCT 01 16 Explanation HTCT high temperature furnace tabletop model 01 1 liter furnace chamber volume in L 14 Tmax 1400 C 2552 F 15 Tmax 1500 C 2732 F 16 Tmax 1600 C 2912 F d e MORE THAN HEAT 38 3000 C HTCT 01 16 SN xxxxxx LCO11H6SN 1600 C 2010 220 240 V1 N PE 15 2A 50Hz 3 5kW www nabertherm de Made in Germany Fig 2 Example model designation type plate 1 4 Scope of Delivery The scope of supply includes MORE THAN HEAT 30 3000 C System component Quantity Comment HTCT high temperature furnace tabletop 1 x Nabertherm GmbH model Allen key Ix Nabertherm GmbH Exhaust air pipe Ix Nabertherm GmbH j lt gt Insert plate Ix Nabertherm GmbH SI 3 Fuse Lx Nabertherm GmbH Se Mains power cable Lx Nabertherm GmbH Gas supply system Ix Nabertherm GmbH Tansformer Ix Nabertherm GmbH Other components depending on variant See delivery documents Type of document Quantity Comment Mi Operating instructions HTCT high Ix Nabertherm GmbH temperature furnace table
5. lining 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 part of the thermocouple in the furnace chamber Set setpoint Test according to x schedules m clean e check replace x performance by Fig E Maintenance table 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 40 MORE THAN HEAT 30 3000 C 6 3 Operating and Auxiliary Materials 6 4 Cleaning Products Follow the procedure for switching off the furnace system see section entitled Operation Then pull the power plug from the outlet Wait until the furnace has naturally cooled down to room temperature For dirt use commercially available water based or noncombustible solvent free cleaning agents to clean the housing use air suction to clean the interior Make sure that the cleaning agent does not attack the water soluble and therefore environmentally safe paint Heed the labels and instructions on the packages for the cleaning agents Wipe off surface with a moist lint free rag The f
6. F 1500 C 2732 F or 1600 C 2912 F Other features of this product are e High quality silicon carbide SiC heating elements e Heating elements are easy to replace e High quality fiber material designed for the furnace temperatures e Stainless steel structured housing e Double wall housing with additional fan cooling for low external temperatures e Adjustable fresh air opening exhaust air vent in the top e Lift door with the hot side facing away from the operator e Type S thermocouples e Switchgear with semi conductor relays calibrated for the heating elements Additional equipment e Over temperature limit controller with manual reset for thermal protection class 2 in accordance with EN 60519 2 as a temperature limiter to protect the furnace and the load e Rectangular batch containers can be stacked for charging in several levels e Manual or automatic gas supply system e RS 422 digital interface can be used for example for process control and documentation via Controltherm MV software package MORE THAN HEAT 30 3000 C 1 2 Overview of the Complete Oven Exhaust air tube Lift door Lift door handle Thermocouple Exhaust air tube Heating element Insert plate to protect the base of the furnace Collar insulation Fresh air lever to control the feed of fresh air Over temperature limit controller with manual reset accessory Controller Power switch ON OFF Switchgear fan Fuse
7. J e 7 d 5 um Mos A O PS O Y xy IA M gii e C en c XY O Sle 5e p d zZ O o i LO ii a pug ago e CN i lt N oN 1914 97 2 N i wz i E ME D i Un 6unjiejuiojy 97 i E 08 d P elk m gt O i PAG i o o 1 i gt o O o 3 o z loz am so a a ees Ro N H w e i Cy ge Z LO Z RI sai i QD E Am Zo E l Si NM alu Ra ln A Le xs 7 ge o A SO PB Z o 3 un IO 0 O Cami Or Fa aa O gt El A oo No i m O43 i m CET ud o Eo n 7 S ad ENI amp T N O ui O a O 4 E La o t i f 5 5 a lt N 9 gt O 3 q SA qc EE a g NO Cy u PO y O Lu A Power supply see ratings sign Y PE C Fig 41 I N PE AC 220 240V 50 60Hz B66 Thermocouple F36 Fuse control current F56 Temperature Switch Q56 Safety contactor S36 Power switch B56 Door switch Q42 Semiconductor relay K60 Controller K70 Over temperature limit controller G51 Switchgear fan X61 Snap in socket E45 Heating 54 X2 MORE THAN HEAT 30 3000 C 10 Nabertherm Service e S Contact Nabertherm Service at any time for maintenance and repair If you have any questions problems or requirements contact Nabertherm GmbH By mail phone or e mail Mail Nabertherm GmbH Bahnhofstrasse 20 28865 Lilienthal Germany Phone or Fax Phone 49 4298 922 0 Fax 49 4298 922 129 Web
8. NN EN 22 comedo RR MR MR omonima SST MS SR 23 edersdeh SAO TO O B ee SA TO OL 2s momo SST SS saoo O e 26 ao RR sasao oe BI paa AM AS mamas N IL 2s THAslosonic se SA O e 29 demwehe SAR susp suse Power cable state country where it will be used ML MU M t Transformer 00000000000 541200089 541200089 541200089 e Mk ooa jexmen emen OO HA According to requirements gt Symbols O Can be replaced by the customer with tools and instructions O Can be replaced by trained personnel with tools and instructions NT Nabertherm Service required gt 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 44 abertherm MORE THAN HEAT 30 3000 C 8 1 Replacing a Heating Element gt D 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 r
9. 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 gt gt This furnace is 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 gt gt Note See safety instructions in the individual sections Note The oven must not be operated with explosive gases or mixtures and 1t 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 applies 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 develope
10. 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 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 structured as follows Hazard symbol Signal word Indicates the risk of injury Classifies the danger e 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
11. heating elements thermocouples Note The connections of the connecting lines from the thermocouple to the controller are labeled with ep and It is absolutely essential to observe the correct polarity pb Cp to Installing the Furnace Lid Install the lid in the reverse order Fix the lid using the screws that you previously unscrewed Make sure that you place a tooth lock washer between the screw and the lid This position is marked by a ground sticker on the housing lid 49 50 wh val eZ K per Fig 32 Installing the furnace lid Assembling the exhaust air pipe Carefully push the exhaust air pipe A into the intended opening The head of the exhaust air pipe must lie on the furnace lid Reassemble the exhaust air pipe guard plate B using the previously slackened screws C Fig 33 Assembling the exhaust air pipe Commissioning Insert the mains power connector see chapter Connection to the Mains Electricity then switch on the power switch and check the function of the furnace see chapter Operation MORE THAN HEAT 30 3000 C 8 3 Replacement Readjustment of the Door Insulation Structure Warning General hazards Work on the equipment may only be performed by qualified authorized specialists During work the voltage supply to the furnace switching system must be switched off to prevent unintentional commissioning disconnect mains power conne
12. 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 Check heating program see 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 Glass bubbles on the surface of the At temperatures above Before heating the furnace again heating element 1550 C 2822 F fine remove the glass bubbles carefully glass bubbles can settle on the with a paintbrush or brush surface of the heating elements due to residual silicon during the production process MORE THAN HEAT 30 3000 C 8 Spare Parts Wearing Parts 1 2 1 1 1 3 2 5 1 3 2 1 1 3 2 4 2 9 2 7 2 8 2 10 2 6 Fig 22 Spare parts 43 ee 12 Compite door insutaion oros oM onou e 13 ero ASAS IL mensem OO e ASAS Ooo o ETC
13. of operation apply gt Note Save the packaging for possible shipping or for storing the furnace 4 3 Transportation Securing Equipment Packaging 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 1s necessary The furnace has been equipped with protective edging to protect it against damage during transportation This edging must be removed before you operate the furnace Fig 6 Unscrew the screws from the lid using the tool that is provided 25 26 Fig 8 Fix the lid back in place using the screws that you previously unscrewed Make sure that you place a tooth lock washer between the screw and the lid This position is marked by a ground sticker on the housing lid Loosen the protective metal sheet of the exhaust air tube from the lid Carefully slide the exhaust air tube into the intended opening The top of the exhaust air tube must sit on the lid Fig 9 Assemble the protective metal sheet of the exhaust air tube with the screws that you previously unscrewed Open the lift door and remove the protective foil from the furnace chamber Note Keep the transport protection in case you have to ship the furnace To prevent damage to the heating elements during any future transportation the furnace must be prepared as
14. shown in picture above MORE THAN HEAT 30 3000 C 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 material 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 1 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 m
15. 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 19 05 2010 Nv AL Sate Thomas Adamek Wolfgang Bartilla Quality Management Research and Development 58 MORE THAN HEAT 30 3000 C 13 For Your Notes d MORE THAN HEAT 30 3000 C Headquarters Reg M01 0016 ENGLISCH Nabertherm GmbH Bahnhofstr 20 28865 Lilienthal Bremen Germany Tel 49 4298 922 0 Fax 129 contact nabertherm de www nabertherm com
16. C to 40 C max 80 non condensing lt 80 dB A MORE THAN HEAT 30 3000 C 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 e 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 e Not using the oven as intended e Improper installation start up operation or maintenance of the oven e Operation of the oven with defective safety equipment or improperly installed or non functioning safety and protective equipment e Not observing the references in the operating instructions to transportation storage installation start up operation maintenance or equipping the oven e Making unauthorized changes to the oven e Making unauthorized changes to the operating parameters e Making unauthorized changes to the parameterization the settings or the program e Original parts and accessories are designed especially for Nabertherm ovens Replace parts only with original Nabertherm parts Otherwise the wa
17. Installing the Furnace Lid Install the lid 1n the reverse order Fix the lid using the screws that you previously unscrewed Make sure that you place a tooth lock washer between the screw and the lid This position is marked by a ground sticker on the housing lid AFW pul Fig 27 Installing the furnace lid Assembling the exhaust air pipe Carefully push the exhaust air pipe A into the intended opening The head of the exhaust air pipe must lie on the furnace lid Reassemble the exhaust air pipe guard plate B using the previously slackened screws C Fig 28 Assembling the exhaust air pipe Commissioning Insert the mains power connector see chapter Connection to the Mains Electricity then switch on the power switch and check the function of the furnace see chapter Operation Note Enclosed with spare part delivery 47 48 8 2 Replacing a Thermocouple gt B 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 room temperature Caution dam
18. age to components Thermocouples are extremely sensitive to breakage Any strain on or rotation of the thermocouples must be avoided Failure to observe this rule will lead to the immediate destruction of the sensitive thermocouples Exhaust air pipe First slacken the screws A from the exhaust air pipe guard plate using the enclosed Allen key Lift the guard plate B from the exhaust air pipe and then carefully pull the exhaust air pipe C out straight upwards Store the exhaust air pipe in a safe place as its material is very sensitive Fig 29 Removing the exhaust air pipe Dismantling the Furnace Lid Unscrew the screws from the lid using the hex key that is provided Lift the lid L Fig 30 Dismantling the furnace lid MORE THAN HEAT 30 3000 C Replacing the thermocouple First slacken the two screws A from the thermocouple connection Slacken screw B from thermocouple retaining plate and pull thermocouple out upwards Push a new thermocouple carefully into the thermocouple channel C and assemble and connect in reverse order Attention must be paid to the correct polarity of the electrical connections D Fig 31 Replacing the thermocouple Note After replacing the heating elements thermocouples fill the bushing to the furnace chamber with suitable fiber wool Leaky bushings lead to overheating of the connection terminals and thereby to premature failure of the new
19. ar of the oven is working you can hear a slight humming noise Note See separate operating instructions for a description of Controller B 180 P 330 Note It is advisable not to switch the oven off as soon as the program is finished instead allow it to cool naturally in circulation mode Note During manufacturing residues of Silicium remain existant At higher temperatures these result in fine glass bubbles at the surface of the heating element The formation of these bubbles begins at tempera tures above 1550 C 2822 F Remove any existing bubbles carefully with a brush or similar before heating up the next time This appearance is no background for a complaint MORE THAN HEAT 30 3000 C 5 1 Over Temperature Limit Controller with Manual Reset and Adjustable Cut Off Temperature Key 270 sc MA Fig 17 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 trigger 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
20. cibles are sensitive to shocks and impact Metals expand more quickly and strongly than the crucible when heated Be sure that the recommendations of the crucible manufacturer for maintenance and handling are carefully observed After loading the furnace door must be closed carefully The furnace door should be closed gently in order not to damage the insulation Make sure that the door is closed correctly If possible the furnace must not be opened when hot If it has to be opened at a high temperature this should take place as briefly as possible Attention must be paid to adequate protective clothing and room ventilation see chapter Safety The stainless steel sheet may become discolored particularly on opening when hot but this does not impair the function of the furnace Additional care measures Ensure that objects like teapots bottles and similar items are kept away from the furnace Warning danger due to electrical current To protect the operator and the furnace the heating program must always be stopped when the furnace is being loaded There 1s a risk of electric shock on noncompliance 37 6 Servicing Cleaning and Maintenance 38 O o A 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 Servic
21. ctor and all moving parts of the furnace must be secured Observe BGV A3 or corresponding national guidelines of the country of use Wait until the furnace chamber and attaching parts have cooled to room temperature Carefully swing the lift door upward Unscrew the screws from the door cladding A using the hex key that is provided and remove the cladding from the frame Unscrew the door insulation B Pull and lift the the door insulation upward from the furnace to remove it Tip Swing the lift door a little downward as this allows you to remove the door insulation easier L m P x A Al Fig 34 Dismantling the door cladding insulation Install the new door insulation in the reverse order The bevel of the C door insulation faces upward Screw the screws of the door insulation in loosely so that you can adjust the door insulation Insulation is very sensitive watch out for adjacent components The door collar insulation D must sit properly on the furnace collar insulation all around Follow the instructions below to adjust the door insulation Carefully close the lift door Press lightly against the door insulation While doing so tighten all the screws 2 Install the door cladding in the reverse order Fig 35 Adjusting the door insulation 51 8 4 Replacing a Fuse A fuse is located on the back of the furnace beside the power cable connection The fuse is an important component of the po
22. d for MORE THAN HEAT 230 3000 C processes with ignitable gases 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 1s available for and used by the operating maintenance and repair personnel e these operating instructions including the 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 ins
23. determined by a ventilation engineer The national regulations of the relevant country apply MORE THAN HEAT 30 3000 C 4 5 2 Connecting the Oven to the Power Supply On the building side the required services must be provided 1 e the carrying capacity of the installation surface provision of power electricity etc 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 Onuse 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 Note Before connecting the voltage supply make sure that the power switch is in the Off or 0 position Type plate Fig 12 Illustrated power cable enclosed in the scope of delivery l First connect the enclosed power cable to the intended mains power connecto
24. e 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 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 1s 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 bef
25. e shortened Sling here 23 4 2 Unpacking gt 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 5 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 24 MORE THAN HEAT 30 3000 C To carry grip furnace from below at the sides 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 5 Note In Germany the general accident protection guidelines of VBG or BGZ must be observed The national accident prevention regulations of the country
26. e the weight of the transformer furnace plus accessories Isolate the device from the power supply when it 1s being cleaned or maintained Do not open the device while it is operating MORE THAN HEAT 30 3000 C Technical Specification for Input Output Transformer Standards EN 61558 1 Protection type I IP 20 UL CSA E300981 I20x 140 x 145 Wx Dx E The transformer is packaged carefully to prevent damage during transportation Make sure that you remove all the packaging material Then carefully place the furnace A on to the transformer housing B see figure below Connect the furnace and the transformer with the power cable that 1s supplied D cable with snap in coupling Connect the power cable from the transformer to the power supply Use only a grounded socket Fig 14 Installing connecting a transformer DANGER Fire danger to health e Risk of fatal injury Adequate ventilation must be ensured at the installation location to conduct waste heat and any exhaust gases away 31 4 5 4 32 Insertion of the Base Plate Fig 15 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 avo
27. ed and moved to its final destination by several people Warning Hot Surface Do Not Touch This symbol warns the operator that the surface 1s hot and should not be touched 20 Warning Danger of Electric Shock This symbol warns the operator that there is 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 1f the following information 1s not heeded The operator must ensure that national environmental 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 p
28. erating 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 1ts temperature Warning Danger of Electric Shock Work on the electrical equipment may be done only by qualified authorized electricians During maintenance work 1t 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 room temperature 39 6 2 Regular Maintenance of the Oven Position Measure Maintenance Interval Operating Qualified Maintenance Point Safety test in According to According to regulations X accordance with BGV regulations A3 or corresponding national regulations Safety and Function test X limit switches 1f available Furnace chamber flue Clean and check X outlets and flue for damage vacuum out carefully Seal surfaces X door lining furnace Visual check
29. he reverse order Ss Fig 39 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 furnace s power switch see Operation 8 5 Separate the Snap In Coupling Plug from the Furnace Housing With a small flat blade screwdriver carefully push the locking latch D upward while pulling the plug 2 out of the coupling 3 Fig 40 Separate the snap in coupling plug from the furnace housing 8 6 Repairing the Insulation The insulation of the furnace consists of a very high quality refractory material Heat expansion may cause tears in the insulation even after a few heating cycles However these have no affect on the function or quality of the furnace However if entire sections of the insulation come loose Nabertherm Service must be notified 53 9 Electrical Connections Circuit Diagram B66 ge gZ AQ 3 NO A A o zZ m N E Sil 3 C e
30. id 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 Note It must be ensured that the load on the furnace base does not exceed 2 kg MORE THAN HEAT 30 3000 C 4 6 Commissioning 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 observed 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
31. ing 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 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 2 Push the pallet truck underneath the transportation frame Make sure that the pallet truck is completely beneath the frame Pay attention to neighboring goods Fig 5 Pallet truck is pushed completely beneath the transportation frame 3 Lift the oven carefully and pay attention to its 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 4 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 MORE THAN HEAT 30 3000 C 5 Carefully lower the oven at its final position Pay atte
32. ird 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 pt This high temperature laboratory furnace is a quality product which will give you many years of reliable service if it is properly cared for and maintained One basic requirement is that the furnace 1s used for the purposes for which it was intended During development and production high priority was placed on safety functionality and economy High temperature furnaces in the HTCT range Designed as table top models these compact high temperature furnaces offer many benefits These furnaces are all rounders in research facilities and laboratories They are made from expertly finished high quality materials and are easy to operate The furnaces are also ideally suited for sintering technical ceramics such as zirconium oxide dental bridges The very best insulation materials permit energy saving operation and fast heating times thanks to low heat storage and thermal conductivity High temperature furnaces in the HTCT range reach a chamber temperature of max 1400 C 2552
33. ly qualified and authorized persons may operate maintain or repair the oven Operating personnel are instructed regularly in all aspects of occupational safety 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 e Operator e The oven may only be transported by e The oven may only be installed by e The oven may only be commissioned by e Initial instructions may only be given by e Faults may only be rectified by e The oven may only be maintained by e The oven may only be cleaned by e The oven may only be serviced by e The oven may only be repaired by e The oven may only be shut down by 3 4 Protective Clothing Wear heat resistant gloves to protect your hands 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 safety 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 mate
34. n MORE THAN HEAT 30 3000 C 11 1 Transportation Return Transportation j 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 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 c
35. nd 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 screens 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 MORE THAN HEAT 30 3000 C
36. non prohibitions compliance a a Bm MORE THAN HEAT 30 3000 C 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 Instructions 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 symbol 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 Rule Lift only with Several People This symbol draws the personnel s attention to the fact that this device may only be lift
37. ntion 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 e Several people must carry the device Symbols 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 Explanation Fragile 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 such a way that the arrows point upward The freight must not be rolled folded or stored on edge However the This side up The freight must be transported transshipped and stored in package does not have to be packed on top of other freight Products with this symbol must be protected against high air Keep dry es moisture hence they must be stored under cover 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 b
38. ollowing cleaning agents may also be used This data must be completed by the operator Component and Cleaning agent Location Fig 21 Cleaning agent Carry out cleaning quickly to protect the surfaces After cleaning completely remove cleaning agent from the surfaces using a moist lint free rag After cleaning check all supply lines and connections for leaks loosened connections abraded spots and damage report any defects immediately Please consult the section on Environmental Regulations Note The furnace furnace chamber and add on parts must NOT be cleaned with high pressure cleaning equipment DANGER Danger of electric shock e 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 41 7 42 Faults 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 gt See Nabertherm Service Type of fault Fault rectification Controller does not switch on No voltage available Check connection fuse s renew 1f necessary Controller defective Check controller fuses
39. on Installation and CommMissioning cccccccccssscssssssssssssssssccsccccccccccccscccccssssssssscccscccccscsssssseess 21 4 1 DA o em m es T ERR 21 4 2 A E PPP 24 4 3 Transportation Securing Equipment Packaging eee 25 4 4 Constmicional and Connection Requirements eee ern ere etre 0 00 0 2 4 4 1 installation Oven Location 43 5 ias 27 4 5 Assembly Installation and Contnectloti e ee basate E o 28 4 5 Waste Os 99 eM odere eicere O adi A c dM d tees 28 4 5 2 Connectme the Oven tothe Power IPP 29 4 5 3 Installation Connection if a Transformer is Used anna ninas 30 4 5 4 I nscraon or me Base Pl ias 32 4 6 Ao be E nl ii taia 33 4 7 Recommendations for Heating the Oven for the First Time 33 5 8013 19011 RETE Tm 34 5 1 Over Temperature Limit Controller with Manual Reset and Adjustable Cut Off Temperature 35 5 2 Air MOWN ou c T Coes 36 5 3 Loading char dine talle 37 6 Servicing Cleaning and Maintenance ssecsceceeeccocccococecccccccceecocceocssccccccccceeeccoccessoccccecceceeecccesossesescecceceeeccoesesse 38 6 1 Shutting the system down for maintenance cccccccccesseseeeeseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 39 6 2 R sular Maimtenancs OF tie OVA ataca brise adesea tb pae Briss nd oaia ani 40 6 3 Operatine and Auxiliary Ma Eta Roata eee A A E A ES 41 6 4 Citan Produc f d la ol iS 41 7 AAPP M M
40. oom temperature Caution damage to components Heating elements are extremely sensitive to breaking Any strain on or rotation of the heating elements must be avoided Failure to observe this rule will lead to the immediate destruction of the sensitive heating elements Exhaust air pipe First slacken the screws A from the exhaust air pipe guard plate using the enclosed Allen key Lift the guard plate B from the exhaust air pipe and then carefully pull the exhaust air pipe C out straight upwards Store the exhaust air pipe in a safe place as its material 1s very sensitive Fig 23 Removing the exhaust air pipe Dismantling the Furnace Lid Unscrew the screws from the lid using the hex key that 1s provided Lift the lid CG VONT b Fig 24 Dismantling the furnace lid 45 46 Replacing a Heating Element Loosen the electrical contact s A with a suitable tool Carefully remove the heating element in an upward direction Fig 25 Removing the heating element Carefully slide a new heating element Y into the opening from above Carefully stuff the opening with suitable fiber wadding Openings that are not sealed properly cause the contacts to overheat which in turn causes new heating elements to fail prematurely Tighten the electrical contact s A in reverse order Avoid all stress or twisting of the thermocouple 2 Fig 26 Installing the heating element
41. 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 C abertherm MORE THAN HEAT 380 3000 C HTCT 01 16 SN xxxxxx LCO11H6SN 1600 C 2010 220 240 V 1 N PE 15 2 A 50 60 Hz 3 5 kW www nabertherm de Made in Germany P Fig 42 Example Type plate 55 11 Shut Down Dismantling and Storage 56 To be Completed by the Operator When the oven is shut down the following safety information must be observed to prevent serious injury damage to property and damage to the environment The oven may only be shut down by authorized trained personnel The following operating materials parts are to be disposed of by Oils and other substances that are hazardous to water must be completely removed before the oven is dismantled for reuse or scrap Ensure that operating materials lubricants and consumables are disposed of in an environmentally compliant manner Regulations relating to proper waste recycling and disposal must be observed The oven may be lifted only at the intended points Use only the stated lifting and securing equipment to lift the oven parts Consider a total weight of kg when choosing suitable lifting equipment For transportation consider a permitted floor weight of at least kg m Before transporting the oven attach the following securing equipment Note Read the sections on Safety and Transportatio
42. ore 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 if 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 insulation 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
43. osts will be borne by the customer As a rule 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 57 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 High Temperature Furnace Tabletop Model Model HTCT 01 14 HTCT 01 16 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
44. oured 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 MORE THAN HEAT 30 3000 C 3 10 General Risks with the Oven 4 1 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 be placed or set down on the furnace or switchgear Doing so creates a fire or explosion hazard Transportation Installation and Commissioning 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 late
45. pressed to release the heating so that the oven can continue to operate Release heating Press b and KZ 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 V EA button 270 Example 270 C Increase the value with EA 260 269 270 Reduce the value with Mili 270 261 260 260 To change the value quickly hold the V LA 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 if 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 33 NOTICE Overheating Damage to the batch e If as a result of excessive heat a batch is 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
46. 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 gt gt Note Before starting the oven for the first time allow it to acclimatize at its installation location for 24 hours 4 7 Recommendations for Heating the Oven for the First Time A special initial heating phase is not necessary for these heating elements installed in the furnace You can begin immediately with the desired heating program During the heating there may be a disturbing odor due to the binding agent given off by the insulating ma
47. r 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 21 22 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 conform 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 Donotremove corrosion protection until immediately prior to assembly Risks during Normal Operation Suspended loads are dangerous Work
48. r on the furnace 2 Now connect the enclosed power cable to the power connection Only use a socket with grounding contact to supply power 29 4 5 3 30 Abb 13 Reconnect the power cable gt 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 Compare the voltage with the details on the type plate Installation Connection if a Transformer is Used When you are installing a transformer these safety instructions must be followed The transformer is intended for use only with the model of furnace that is delivered see delivery note If the transformer is used for any other purpose this is deemed to be inappropriate use Check the device for damage regularly and before using it for the first time If it is damaged cable plug or housing it must not be used Power cables may be replaced only with similar approved cables Operate only in dry clean rooms at maximum 40 C 104 F The bench surface must be level to permit the transformer and the furnace to stand upright Place the transformer on a non flammable surface stone metal etc For the surrounding safety distance see Installation Oven Location The load bearing capacity of the bench must be suitable to tak
49. reset must be reduced to the maximum permissible value 5 2 Air Inflow Lever 36 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 1s explained by the symbols beside and on the lever Fig 1 Fresh air lever o Q Fresh air lever is Fresh air lever is max open closed Fig 19 Regulating the feed of fresh air symbols Note If the fresh air lever is open under certain circumstances this may affect temperature uniformity in the furnace chamber MORE THAN HEAT 30 3000 C 5 3 Loading charging Furnace loading Swivel the furnace door carefully away upwards Only materials with known characteristics and melting temperatures may be used Observe the material safety data sheets if necessary When loading the furnace ensure that the door collar and the heating elements are not damaged Under all circumstances avoid coming into contact with the heating elements when loading the furnace this may lead to the immediate destruction of the heating elements If possible the load must be positioned centrally in the working chamber on the ceramic insert plate This guarantees even heating If a large quantity of material is placed into the furnace chamber the heating time may increase significantly If a crucible is used make sure that the material to be melted is inserted carefully into the crucible Cru
50. rials 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 MORE THAN HEAT 30 3000 C 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 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 Fig 4 Pulling the power plug 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 smells 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 a
51. rranty will be void Nabertherm accepts absolutely no liability for damage caused by using parts that are not original Nabertherm parts e Catastrophes due to third party causes and force majeure 11 3 Safety 3 1 Intended Use AA Ln 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 Nabertherm 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
52. terial We recommend ventilating the furnace location well during the first heating phase Tears in the insulation The insulation of the furnace consists of a very high quality refractory material Heat expansion may cause tears in the insulation even after a few heating cycles However these have no effect on the functioning or quality of the furnace 33 5 Operation 34 OFF ON Germany 008 wait time 1 time 2 time 3 time 4 2 3 optional l Fig 16 Example Controller l The control current is switched off and on with the power switch 1 When the control current is switched on the heating chamber temperature is shown in the LED display of the Controller 2 2 The required heating and cooling programs are set on the Controller 2 See the separate instructions for a description of the controller 3 The temperature of the over temperature limit controller with manual reset 3 optional must be set 30 C 86 F higher than the setting of the controller For a description of the over temperature limit controller see the operating instructions for Controller B 180 P 330 Note Long term operation at maximum temperature can lead to increased wear of the heating elements and door seal We recommend that the oven is operated at about 50 C 122 F below the maximum temperature Note When you switch the oven on check that the switchgear fan re
53. top model A Operating instructions controller Ix Nabertherm GmbH A eei tenen Operating instructions gas supply system Ix Nabertherm GmbH Other documents depending on variant in scope of delivery depending on variant Note Please carefully retain all documents During fabrication and before delivery all the functions of this furnace system have been tested 2 Specifications LL High temperature furnace Electrical specifications are on the type plate located on the side of the oven Model Tmax Dimensions Dimensions Volume Output Weight Minutes iC interior in mm exterior in mm in L kW kg to w d h W D Hac Tmax HTCT 01 14 1400 110 120 120 340 1300 500 185 1 max 3 5 25 40 HTCT 01 15 1500 110 120 1120 340 300 500 185 1 max 3 5 25 50 HTCT 01 16 1600 110 120 1120 340 300 500 185 1 max 3 5 25 60 er e a c f H H LA EU TIR D p d l PE N w em Hem Fig 3 Dimensions of high temperature Electrical connection Thermal protection class Protection class Ambient conditions for electrical equipment Emissions furnace Model Voltage Frequency Power plug Furnaces Furnaces Temperature Humidity Continuous sound pressure level 1 phase 1 N PE HTCT 01 14 HTCT 01 16 220 V 240 V 50 or 60 Hz Protective contact plug with snap in socket As per DIN EN 60519 2 Without safety controller Class 0 IP20 5
54. truction 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 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 adequate
55. ust be provided by the customer Noncombustible base Fig 10 Installation of an high temperature furnace DANGER Fire danger to health e Risk of fatal injury Adequate ventilation must be ensured at the installation location to conduct waste heat and any exhaust gases away E Note Before starting the oven for the first time allow it to acclimatize at its installation location for 24 hours 27 4 5 Assembly Installation and Connection 4 5 1 Waste Gas System 28 We recommend that an exhaust air pipe be connected to the furnace and that the exhaust gases be conducted away accordingly A commercially available metal exhaust gas pipe with NW80 to NW120 may be used as a flue It must be routed in constantly ascending form and must be secured to the wall or ceiling Position the pipe centrally above the furnace s flue outlet The exhaust gas pipe s connection to the exhaust air pipe must not be airtight as no bypass effect is otherwise achieved This is necessary to prevent an excessive amount of fresh air from being sucked through the furnace Ww Flue Exhaust air pipe Fig 11 Assembly of a flue example Note The exhaust gases can only be conducted away if the room is ventilated via a corresponding air inlet Note The exhaust gas pipe necessitates roofing and bricklaying work on the part of the customer The size and variant of the exhaust gas pipe should be
56. way that as little fiber dust as possible is released 9 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 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 Wait until the furnace chamber and attached parts have cooled to room temperature e The furnace must be completely emptied e Notify op
57. wer supply system and protects the furnace and its components against damage and fire When you insert a new fuse make sure that the fuse rating is suitable for the voltage used by your furnace NOTICE Damage to the furnace and its components Use of a fuse that is NOT suitable for the respective voltage may damage the furnace 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 furnace see Operation Then pull the power plug out of the socket Fuse holder Fig 36 The fuse is located in the back wall of the furnace e Turn the fuse holder 1 4 of a revolution in an anti clockwise direction and then carefully remove the fuse holder with your fingertips Fig 37 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 Parts Wearing Parts Fuse fuse link Fig 38 Remove fuse gt gt Note The nominal current 1s engraved into the metal cap of the fuse or can be found imprinted directly on the fuse 52 MORE THAN HEAT 30 3000 C 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 in t

User instructions

Contents

Download Pdf Manuals

Related Search

Related Contents