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Instruction Manual

Model : LHTF 100 Series

Labnics Equipment

High Temperature Tube Furnace

Please read this manual carefully before using the instrument

Содержание LSTF-100A

Страница 1: ...Instruction Manual Model LHTF 100 Series Labnics Equipment High Temperature Tube Furnace Please read this manual carefully before using the instrument ...

Страница 2: ... Technical Properties 4 2 1 Temperature Controllers 4 2 2 Heating Elements 7 2 3 Refractory Insulation 8 2 4 Electrical Layout 8 3 What is PID Control 9 4 Points to Take Care While Operating the Furnace 9 5 Hints 11 5 1 Repairs Replacements 11 5 2 Calibration 12 5 3 After Sale Services 12 6 Frequently asked questions 12 D OPERATING PROPERTIES 13 1 Electrical Other Requirements 13 2 Control Panel a...

Страница 3: ...nserts slowly It is extremely important to remove the packing inserts from inside the furnace Operating the furnace without removal of safety inserts will cause heavy damage on the heating elements Use furnace base while lifting and carrying the furnace Always use two persons to carry Always take note of the weight of furnace during placement Do not operate the furnace if there is inflammable mate...

Страница 4: ...ob requires a qualified technician The technician who is responsible of commissioning the furnace is also responsible to act in accordance the rules of safety of European Community Technician is solely responsible of selection and use of appropriate circuit breaker and earth connections Single Phase Electrical Connection Cable Color Supply Terminal Label Brown Phase L Blue Neutral N Green Yellow E...

Страница 5: ...nd against risks to avoid any burns etc 6 Labnics furnaces are manufactured in conformity with CE Electromagnetic Emissions Directive Even though so electromagnetic emissions can effect some sensitive equipment such as Hearth Pace Batteries Any one carrying such batteries should avoid close contact with this furnace C General Information 1 Technical Details Model Max HeatUpTime Useful Inner Outer ...

Страница 6: ...l and without informing 2 Furnace Components Related Technical Properties 2 1 Temperature Controllers Model Sensitivity PID Step definition Number of Number of Programs Segments DC 1010 1 C ü PC442 2 1 C ü ü 1 2 PC442 6 1 C ü ü 1 6 UDC 2500 1 C ü ü 1 12 PC442 18 1 C ü ü 1 18 PC442 MP5 1 C ü ü 5 20 PC442 MP20 1 C ü ü 20 30 Data concerning the Configuration Parameters are placed to controller during...

Страница 7: ...e active functions of the controller Insignia Description Active Color OUT1 OUT2 Output Relays power are active Green AT AutoTune is underway Orange AL1 AL2 AL3 Alarm signal underway Red MAN Controller is operating under Manual Mode Orange PRO Controller is operating under Programme Orange SET Key Used to enter values and or opens submenus available Key Used to move across the digits when presser ...

Страница 8: ...splay any programming profile has to have the cooling stage defined as well Use a paper to draw your program profile before data feed in We advice the PVSTART option to be enabled to ease the running of program While running the program you will observe the display flashing RUN from time to time If display key is pressed during a RUN various info regarding the program will be displayed 2 1 3 PC442...

Страница 9: ...ey Used to either to decrease a value or to inactivate a function 2 2 Heating Elements Labnics employs Kanthal originated heating elements in furnaces 2 2 1 Wire elements The basic advantages of KanthalAPM and KanthalA1 quality elements are 1 High creep resistance at high temperatures 2 High resistance against corrosive atmospheres 3 Limited change of resistivity during service life 2 2 2 SiC Heat...

Страница 10: ...rs of service as a heating element The resistance of Kanthal Super elements does not change due to ageing even after having been in operation for a long time at high temperatures Due to these properties a failed element can easily be replaced without the performance of other elements connected in series being influenced Kanthal Super elements are extremely brittle In order to minimize the damage r...

Страница 11: ...perature and it should never be used over this temperature The heating elements and the concerned insulation are related with designated o maximum temperature of furnace It is most advicable to us a furnace 50 C below of maximum temperature to have a longer element life Never use a furnace over its designated maximum temperature 2 Do not forget to place the insulating plugs heat shields to each en...

Страница 12: ... a new one The old unbroken element should be kept aside to be used in pairs with an old element At high temperatures a glassy phase coating appears on SiC elements This coating although not harmful to elements may fracture and disintegrate to small pieces of glass if handled For reasons of safety use a glove and eye glass while handling old SiC elements 6 For PTF series furnaces of over 1400 C a ...

Страница 13: ...t use insulation that appears loose Most of the time the very same insulation can be obtained from local market We can of course deliver the concerned insulation whenever requested B Replacement of Solid State Relay Always disengage power before opening the back panel Use proper screw driver and remove the back panel or control box Disconnect the relays taking note of connection diagram and colori...

Страница 14: ...uently asked questions FaultAnalysis 1 Furnace controller does not display when the I 0 switch turned on 1 1 Check the Mains supply Check the voltage present May be less than 220V 1 2 Check the fuses on your mains supply 1 3 Check the glass fuse at side of furnace it may be broken during transport 1 4 Check the power supply of temperature controller 1 5 Check the main fuses after opening the back ...

Страница 15: ... 1 Electrical Other Requirements Phase Volts Frequency Medium Temp Humidity Single 220V 50Hz 5 C 40 C Max 85 Triphase 380 220V 50Hz 2 Control Panel Honeywell DC1010 UDC2500 Honeywell DC1010 Honeywell UDC2500 O Talarm relay switch appears only for high temperature furnaces T 1400 C Single phase furnaces have single heat lamp Heat switch Heat lamb Power Switch Temp Controller Heat switch Heat lamb O...

Страница 16: ...digits can be activated by pressing key By using and keys you can define the digits of the desired limit temperature After you have entered the limit temperature value please press set key in order to make the entered data valid 4 Timer Labnics optionally provides timer in order to let the furnace shuts down automatically as it reaches the set point and the time defined by the operator consumed In...

Страница 17: ...eys in the manual mode and open red the I 0 switch Furnace will start heating directly to set temperature 2 Programme Mode See Section C page 11 and Section D page 15 for further details Press key continiously for transition between the modes MANUALCONTROLMODE MAIN DISPLAY PROGRAMMABLE MODE MAIN DISPLAY 2 2 OPERATİNG INSTRUCTİONS SETTİNG THE START TİMER STARTİNGAPROGRAM 3 Turn the Green Switch on ...

Страница 18: ...dwell time has expired 2 Use or key to select the requested recepie program number Please note that program number changes as the operator press or keys 3 Once a programme is chosen in order to run the seleceted programme first press key and then quickly press key while still keeping key pressed The programme will display now the segment number as well 01 01 First programme first stage In order to...

Страница 19: ...programme data during operation E Sample Program Honeywell UDC2500 There are four different alternatives in order to heat up the furnace with UDC2500Temperature Controller 1 Standard Heating 2 To define a ramp rate to reach a set point 3 To define a time period to reach a set point 4 Programming In Standard Heating the set point can be adjusted by the operator by using the and keys on the Controll...

Страница 20: ...to next step ENDSEG End Segment max 12 The segment number which the programe will end RPUNIT Engineering Unit for Ramp TIME Defines heating up or cooling down speed Can be chosen as TIME Hr Min EU H C hr EU M C min PG END Controller Status LASTSP Do not change default value STATE Controller State at the end HOLD Do not change default value TO BEGIN Reset SPProgram DIS Do not change default value P...

Страница 21: ... point Unit is Hr Min SG3RP RampTime 3 1hr SG4SP Soak SP 4 400 SG4TI SoakTime 4 1hr SG5RP RampTime 5 1hr 30min SG6SP Soak SP 6 250 SG6TI SoakTime 6 3hr 0min SG7RP RampTime 7 2hr 30min SG8SP Soak SP 8 500 SG8TI SoakTime 8 Ohr 30min SG9RP RampTime 9 0 SG10SP Soak SP 10 400 SG10TI SoakTime 10 0hr 30min SG11RP RampTime 11 3hr 30min SG12SP Soak SP 12 200 SG12TI SoakTime 12 0hr 30min The Sample ºC Time ...

Страница 22: ...arts Replaced Parts Recommended Action Required Yes Service Engineer s Name Signature Requisition Number Customer s Name Signature Date Stamp Page ____ Of ____ No Model Serial No Date Status OK Installation Demonstration Maintenance Repairs Application Calibration Validation Not OK Warranty Contract Billable Courtesy SR No System Configuration Time From To 20 ...

Страница 23: ...Labnics Equipment 43040 Christy St Fremont CA 94538 USA Toll Free 877 620 9992 Tel 925 271 4322 Fax 925 886 0400 Email info labnics com Website www labnics com ...

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