SAFE THERM - Ntn
Contents
1. VVVVVVV VV Activate Remote control Start the heater with the remote control 1 Set temperature time or temperature time ramp 2 Push the start stop button 3 Display will count down for 30 seconds 4 Step away from heater 5 Start heater within this 30 seconds with the remote control If the heater is not activated in these 30 seconds E13 appears Repeat above Start the heater with start stop button only Set temperature time or temperature time ramp Push the start stop button Display will count down for 5 seconds Step away from heater The heater will start to heat ARRET AT ALL TIMES PROCESS CAN BE INTERRUPTED BY PRESSING STOP Heating can be conducted by Temperature Time versus temperature ramp Time Use protective gloves Experts Tools SAFE THERM Control of the temperature Place magnetic probe on work piece close to the bore Make sure that the place reserved for the probe is free of any grease or oil Always use magnetic temperature probe hereafter referred to as the probe for heating in the Temperature Mode The probe is suitable for operation up to a maximum temperature of 240 C 484 F As a Safety feature the connection between magnet and probe will break above the maximum temperature If this occurs when operating in the Temperature Mode the machine will turn itself off since the probe will fail to register any increase in the temperature ove2. Extremely high currents can flow through the cable causing the cable to heat up e Do not hold metal objects near the yokes and poles Experts Tools SAFE THERM e Place heater only on a horizontal surface Keep distance to surrounding object by minimum of 1 5 Metre 57 Use only in well ventilated location Prevent to heat up object containing Oil grease or similar due to possible generator of fumes and smoke Do not inhale breath fumes or smoke Do not move or lift heater after heating process when warm Do not rout supply cable through the core While heating keep at least 1 5 metre 57 distance from the heater Never remove the yokes during the heating cycle Do not modify the heater and do not use self fabricated yokes Always check that the yoke is correctly adjusted to the poles otherwise excessive vibration may occur e Only switch the machine on when the yoke is positioned correctly on models equipped with a pivoting yoke the yoke should always be closed Note Since our products are subject to continuous improvement we reserve the right to make changes Safety features e The heater will automatically switch off if the temperature of coil or heat sink will be higher as 120 C 248 F Let the heater cool down for 30 minutes and turn on the heater again E 06 e When using temperature mode the heater will switch automatically if the rate of temperature rise is to low E 03 An induction
3. Experts PE SAFE THERM NTN SNE Read these operation instructions attentively INSTRUCTION MANUAL Safe therm 700 460V 50A 60Hz Safe therm 700 400V 60A 50Hz Safe therm 1200 460V 85A 60Hz Safe therm 1200 400V 100A 50Hz NTN SNR ROULEMENTS 1 rue des Usines BP 2017 74000 Annecy Cedex France www ntn snr com Control all parts without delay for possible transport damages If such damages are determined inform the carriers immediately Experts SAFE THERM Table of Contents safety Instructions Introduction Installation Setting up the Work Piece Positioning the Magnetic Temperature Probe Operation Malfunction error signals Cleaning and Maintenance Oo O Oa N O Oo W N Technical Data 10 Electrical drawing 11 Declaration of Conformity Experts Tools SAFE THERM Safety instructions The operation instruction should always be followed e NTN SNR shall not be held liable for damages caused by improper handling or by use which does not comply with the designation purpose e Prerequisites of the operator He must be authorised for use He must be familiar with the safety precautions DANGER High injury risk WARNING Potential injury risk CAUTION Danger of damaging the device or the work pIece WARNING Since a magnetic field 4 5 is generated by the induction heater people wearing a pacemaker 1 should not work or be in the immediate vicinity of t
4. L Experts Tools SAFE THERM Herewith we declare that the supplied version of Name product Induction heater Type product Safe therm 700 Safe therm 1200 Complies with the following provisions applying to it Electrical safety IEC 335 1 classification 1 IEC 664 1 Category 2 EMC emission EN 55011 1998 A1 1999 A2 2002 EN 61000 3 2 EN 61000 3 3 EMC immuniteit EN 61000 6 2 Other information This product complies with technical standards specifications as defined by low voltage directive 73 23 EEG and EMC directive 89 336 EEC Induction Heating Systems Warranty Terms and Conditions NTN SNR guarantees this product to be free from defects in material and workmanship for a period of 3 years from date of purchase It remains the customer s responsibility to provide proof of this date of purchase During the warranty period NTN SNR will either repair or replace any product that proves to be defective Limitations This warranty does not apply to defects resulting from product modification or misuse of any product or part without NIN SNR s written consent Furthermore this warranty does not apply to fuses or problems arising from normal wear or failure to follow instruction Neither NTN SNR nor it s employees shall be liable for any direct or indirect damages arising either out of any defects in the products or the use of the products even if NTN SNR has been informed in advance of the po
5. e The user can set the temperature and time the heater will heat the part exactly to the preset temperature in the preset time The major advantage this provides is the temperature differential between the internal and external component material remains low thus reducing the potential for material stress accumulation and subsequent potential distortional damage Press D and set temperature press E and set time gt 10 minutes Both LED s are lightning Press start stop to start the heating process The heater will first count down for 30 seconds this makes it able for the user to step away from the heater 1 meter 38 start heater with remote control The display will now show progress of heating cycle The power will automatically be regulated by the microprocessor Once pre selected temperature is reached the acoustic signal will sound and the display will flash Press stop on the remote control and place probe on one of the poles remove work piece 200 C 150 C 100 C 50 C i d MON This slower heating process will avoid a big differential between A and B low stress heating method c L L E E E E G G O SGG A O OO F Temperature hold As soon as the temperature drops 5 C F heating will automatically repeat This process will repeat itself 5 times Press stop and place probe on one of the poles remove work piece Heating with time pre selection functi
6. e connection from probe to the circuit board E 06 Coil or heat sink is too hot more than 120 C e Inform your distributor E08 No zero crossing Triac e Inform your distributor Press start stop and check which of above possibilities is causing the Error signal WARNING Proper maintenance and handling practices are critical Failure to follow installation instructions and to maintain proper lubrication can result in equipment failure creating a risk of serious injuries If a loud vibrating noise is heard first check e Are the contact surfaces clean and greased sufficiently e Are the yokes 100 in contact with the surface Adjustment yokes Check if the grinded side is smooth Place yoke or pivoting yoke on the heater Unscrew the screws in yoke and pivoting point an 1 4 turn Turn on the heater and the yoke will set itself or use a nylon hammer Fasten screws and turn off heater 1 2 3 4 9 WARNING If in any doubt isolate the machine and contact your local distributor Cleaning and maintenance e Store in a dry frost proof area free from humidity e Keep clean with a soft dry cloth 10 Experts Tos SAFE THERM e Keep the contact parts of the poles clean Grease regularly with an acid free grease for optimal contact with the yokes and to avoid corrosion on swing arm models also grease the vertical pin regularly e Contact your supplier if there is any suspicion of malfu
7. he apparatus Other sensitive equipment such as wrist watches magnetic carriers electronic circuits etc might also be affected The safety distance is 1 5 meters 57 The equipment should not be used in areas where there is a risk of explosion Use protective gloves danger of burning your hands Delivered gloved 3 are suitable up to 150 C 302 F Type Oil Tuff 52 647 made by Ansell Hot surface avoid contact 4 Do not operate an aa heater in areas where there is a risk of an explosion OOAAAO All repair work should be taken care of by an official NTN SNR distributor Use original spare parts only Protect heater from water or very high humidity Protect the yoke support and yokes against corrosion damage and deformation Only preheat ball bearings to max 110 C 230 F Safety instructions e The user should have an appreciation of the contents of this manual and be familiar with safe workshop practices e Follow the User Manual at all times e Ensure that the machine operates at the correct supply voltage The heater is supplied with a plug change should only be made by a suitably qualified person e Do not use or store the heater in humid environments NTN SNR Induction heaters are designed for indoor use only e Use proper handling equipment appropriate for the weight of the work piece or yoke Never support arts with a metal cable or have anything metallic hanging in the proximity of the magnetic field
8. heater works due a magnetic field In figures below there are some measured values of the flux density in milliTesla mT These measurements can be used as a guide in conforming to local regulations regarding the maximum time exposure of people to magnetic fields The values below are only valid for this combination of bearing type and yoke bar Different configurations may give different values due to the large variety of bearing types in combination with the different yoke bars Safe therm 700 Liesl ll TT 0 15 0 13 Safe therm 1200 Distance 110 120 cm WARNING We advise a safety distance of at least 1 5 metre 57 for people CAUTION The machine works through an induction field Bear in mind that this can influence electronic equipment e g watches magnetic charts etc Experts Toos SAFE THERM Introduction The NTN SNR induction heaters are intended for heating bearings Other metal components forming a closed circuit such as bushings shrink rings pulleys and gears can also be heated This will facilitate mounting where tight fitting is required The heaters are designed to heat the work piece up to a maximum temperature of 240 C 464 F NTN SNR heaters can be used on continuous bases By heating with the time function this has to be checked with an external temperature meter Place always the temperature sensor to check within the first heating Caution Bearings generally sho
9. meter 900mm 35 Max inner diameter 1000mm 39 Min inner diameter 70mm 2 7 Min inner diameter 85mm 3 3 Max outer diameter 1000mm 39 Max outer diameter 1400mm 55 Min outer diameter 150mm 5 9 Min outer diameter 1500mm 59 Max height 400mm 15 7 Max height 420mm 16 5 Min weight 30kg 66 Ibs Min weight 60kg 132 lbs Max weight part Bearing 7OOKG 1543 Ibs Max weight part Bearing 1200KG 2645 Ibs Max Weight part solid 450KG 992 Ibs Max Weight part solid 800KG 1 763 Ibs Experts Tools SAFE THERM Start heater The heater can be switched on with the start stop button or remote control Standard the heater starts up with the remote control The remote control makes it possible to start and stop the heater outside of the magnetic field n case ot lost of the remote or other reasons it is possible to use the start stop button only This can be changed in the user mode Activate start stop button direct start without remote Push 10 seconds Start Stop gt Inthe display appears S08 Push Button C in the display appears 0 Change 0 with button A to 1 Push button C and S08 appears in the display Push button B till S05 in the display appears Push Button C in the display appears 30 Change 30 with button B to 5 Push button B till S05 in the display appears Push button A till S09 Push button C and 110 C appears in display Start button activated
10. nctioning Technical data TYPE Safe therm 700 Voltage 460V 50A 60HZz 400V 60A 50Hz Power 23KVA Temperature control Max 110 C 230 F Heating speed control Microprocessor controlled Overall dimensions 1000x1400x1400mm 39 x55 x55 Max weight work piece Solid components 450 kg 922 los Bearings 700 kg 1548 Ibs Mass heater 350 kg 771lbs Spare parts list TYPE ART No Induction yoke Tool ST700 yoke 45 Tool ST700 yoke 60 Tool ST700 yoke 70 Tool ST700 yoke 85 Tool ST700 yoke 100 Tool ST700 yoke 115 Tool ST700 yoke 130 Tool ST700 yoke 145 Magnetic probe Tool Temp Probe 1000 Crane Tool ST700 Lifting device TYPE Safe therm 1200 Voltage 460V 88A 60Hz 400V 100A 50hz Power 46KVA Temperature control Max 110 C 230 F Heating speed control Microprocessor controlled Overall dimensions 1400x2000x1600mm 55 x78 x62 Max weight work piece Solid components 800 kg 1763 los Bearings 1200 kg 2645 Ibs Mass heater 850 kg 1870lbs Spare parts list TYPE ART No Induction yoke Tool ST1200 yoke 85 Tool ST1200 yoke 115 Tool ST1200 yoke 145 Tool ST1200 yoke 215 Magnetic probe Tool Temp Probe 1500 Crane Tool ST1200 Lifting device 1 Experts Toos 6d SAFE THERM Electrical drawing Safe therm 700 amp 1200 Main switch l Main fuse 30A Thermo couple 0 75 Yellow gw yuls JeoH D 0Z yms i09 JOZ yapms jewayL eway
11. on Heating on the time pre selection is only to use in production areas where constantly only one and the same part will be heated up Heat the part that have to be heated repeatability on the temperature mode and control the heating time with a separate stop watch Now you can heat the part constantly on the time mode without placing a sensor When heater is switched on the display will show 110 C 230 F Switch on the heater and press button E The display will show 00 00 Select time and press start stop to start the heating process The heater will first count down for 30 seconds this makes it able for the user to step away from the heater 1 meter 38 start heater with remote control The display will count down to 00 00 When heating cycle has ended the acoustic signal will sound Press C and remove work piece E rts HTH EA Toos SAFE THERM DO NOT USE THE TIME MODE ON ANY OTHER WAY AS DESCRIPTED ABOVE HEATING PROCESS MAY NOT BE STARTED UNLESS THE YOKE IS CORRECT IN PLACE OVER THE POLES Malfunctioning Error Signals E 01 The probe is not plugged in or the cable of the probe is broken E 02 The probe is not correct connected please check E 03 The increase of temperature is lower than 1 C in 1 minute Please check e The probe no damage and placed properly e The part can be too big for the machine heating time to long E 04 No change in Temperature e The probe no damage and placed properly e Th
12. r a set period of time A probe fixed to a clamp is also available when heating non magnetic work pieces Ensure that the area where the probe is located is completely clean Connect the probe by inserting the plug into the socket at the side of the heater watch out for CAUTION Treat the probe with care It is a valuable part of the heater and can easily be broken through careless handling After use we suggest that it is placed on the side of the vertical pole WARNING If in any doubt isolate the machine and contact your local distributor Operation Control panel Display Experts Tools SAFE THERM Heating with temperature pre selection function When heater is switched on the display will show 110 C 230 F With A and B you can decrease the temperature to 0 C 82 F and increase to 240 484 F Select temperature and press start stop to start the heating process The heater will first count down for 30 seconds this makes it able for the user to step away from the heater 1 meter 38 start heater with remote control The display will now show progress of heating cycle Once pre selected temperature is reached the acoustic signal will sound and the display will flash Press stop on the remote control and place probe on one of the poles remove work piece Heating time Versus temperature ramp This is specially developed for the heating of gears and bearings with a small clearanc
13. ring that is to be heated Insert the plug into a shockproof wall socket Connect heater to electric mains Keep distance to surrounding object by 0 5mtr 19 Turn main switch from 0 to 1 The heater will emit a short beep and in the display 110 C 230 248 F will appear The induction heater is now ready to be used Setting up the work piece WARNING Use appropriate hoisting equipment for heavy components and yokes The manual lifting of heavy objects is a common cause of injury Wear Safety Shoes while the inductor yokes can slip out of your hands The weight of the work piece should not exceed the maximum weight shown in drawing below Exceeding these limits may result in catastrophic equipment failure leading to personal injury Ensure that the mains cable cannot come into contact with the work piece Damage to the cable may result in electrocution Never support components with a metal cable or have any hanging in the proximity of the magnetic field Extremely high currents can flow through the cable causing it to heat up quickly resulting in a risk of burning Experts Toos SAFE THERM The work piece can be set up only in one way Only place part horizontally Do not touch the U core Lay always part flat on surface Use always the sliding glassfiber parts between heater and bearing to protect your part Safe therm 700 Safe therm 1200 Max dimentions part Max dimentions part Max inner dia
14. ssibility of such damage Such excluded damages shall include but are not limited to costs of removal and installation losses substained as the result of injury to any person or damage to property 13 DOC ILSAFETHERM CU GBb
15. uld only be heated up to a maximum temperature of 120 C 248 F Do not use induction heaters for bearings or work pieces which are outside the minimum or maximum dimensions as specified in this manual Do not switch off the heater with the main switch while heating cycle is running Operation condition The heater is designed to be used in an industrial environment with an ambient temperature of 0 C to 40 C 32 F to104 F and an atmospheric humidity of between 5 to 90 The induction heater is meant for indoor use only Installation e Remove packing material and place the induction heater on a non ferrous stable flat surface The box will normally contain the heater a yoke or a set of yokes the temperature probe and a pair of heat resistant gloves e Check that the supply voltage and current meet the specifications on the identification plate to be found on the back of the machine e As there are a large number of plug types every NTN SNR induction heater is provided with a plug When the plug does not fit to your power supply a suitable plug has to be affixed by a qualified electrician e The wires should be connected as follows o Safe therm 700 Brown Black us Phase Blue Phase Black us Green yellow ground o Safe therm 1200 Brown Black us Phase Blue Phase Black us Green yellow ground connect the wire 95 to the fuse box e Make sure that the supply cable cannot come into contact with the bea
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