VERDER CARBOLITE GERO MTF 10/15/130 Installation, Operation And Maintenance Instructions
1000c small tube furnace
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- Page 1 Installation, Operation and Maintenance Instructions 1000°C Small Tube Furnace - MTF Model: 130mm 301 Controller MTF 10/15/130 + 301 Controller MEN-MTF1015-001_301 10-01-2019...
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Page 2: Table Of Contents
Contents This manual is for guidance on the use of the Carbolite Gero product specified on the front cover. This manual should be read thoroughly before unpacking and using the furnace or oven. The model details and serial number are shown on the back of this manual. - Page 3 3.5.4 Resetting the Timer 3.5.5 Timer Function Description 3.5.6 The Timer Temperature Band 3.5.7 Timer Function Table Ramp Dwell Programming 3.6.1 Setting up a Ramp Dwell program Maximum Output Setting Customer Calibration 3.8.1 Factory Calibration - FAct 3.8.2 Single Point Calibration - C.CL1 3.8.3 Changing the Single Point Calibration Offset - OFSt 3.8.4...
- Page 4 Calibration After-Sales Service Recommended Spare Parts and Spare Parts Kit 6.0 Repairs and Replacements Safety Warning - Disconnection from Power Supply Safety Warning - Refractory Fibre Insulation Temperature Controller Replacement Thermocouple Replacement Solid-State Relay Replacement Fuse Replacement Element Replacement 7.0 Fault Analysis Furnace Does Not Heat Up Product Overheats 8.0 Wiring Diagrams...
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Page 5: Symbols And Warnings
1.0 Symbols and Warnings 1.0 Symbols and Warnings Switches and Lights Instrument switch: when the instrument switch is operated the temperature control circuit is energised. Heat light: the adjacent light glows or flashes to indicate that power is being supplied to the elements. Heat switch: the switch disconnects power to the heating elements;... - Page 6 1.0 Symbols and Warnings Caution – Double Pole/Neutral Fusing...
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Page 7: Installation
2.0 Installation 2.0 Installation Unpacking and Handling When unpacking or moving the product always lift it by its base or by both ends of the main body. Never lift it by its work tube or the surrounding insulation. Use two or more people to carry the product and control box. -
Page 8: Tube Fittings
2.0 Installation Ensure that the product is placed in such a way that it can be quickly switched off or disconnected from the electrical supply. A product ordered for vertical use has a small clip or plate at one end to prevent a wound tube element or a work tube from slipping downwards. -
Page 9: Electrical Connections
2.0 Installation If a metal work tube is being used in the furnace, ensure that it is earthed. In the case of woundtube models it should be mounted so as not to touch the furnace ceramic tube. See the 4.3. Tube Insulating Plug Stem... - Page 10 2.0 Installation Products without a factory fitted supply cable require a permanent connection to a fused and isolated supply. The product's electrical access panel should be temporarily removed, and connections made to the internal terminals. If the product is to be connected by line plug. The plug should be within reach of the operator and should be easy to remove.
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Page 11: 301 Controller
3.0 301 Controller 3.0 301 Controller Due to the complex nature of the furnace or oven control the use of technical terms throughout this manual is unavoidable. Explanations of these terms can be found in the"Glossary of Terms". PID control This controller uses PID (Proportional Integral Derivative) temperature control. -
Page 12: Menu System
3.0 301 Controller G Timer Indicator The Timer indicator shows when the timer is active. The Output indicator shows when the controller is switching H Output Indicator on the heating elements. 3.2.1 Menu System The 301 Controller is divided into two menus; the Home Menu and the Setup Menu. The Home Menu contains all the basic operating controls: setpoint, setpoint ramp rate and timer time. - Page 13 3.0 301 Controller Home Menu Page Key Black = Progress Setup Menu Hold for 1.5 seconds White = Return OTHM Over-Temperature Home Menu Keep Held OTSM Over-Temperature Setup Menu Press Page Key multiple times...
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Page 14: Basic Function Guide
3.0 301 Controller Please note that the Over-Temperature Menu is only available when the Over- Temperature Protection option is fitted. 3.2.3 Basic Function Guide HOLd Used to pause the current program and set new parameters. Used to set the desired temperature (setpoint) of the product SP"C (°C). -
Page 15: Home Display
3.0 301 Controller 3.2.4 Home Display The Home Display is the first display you see when the controller is switched on, it shows the actual temperature of the product. When entering the menus, the controller will automatically return to the Home Display if no keys are pressed for 30 seconds. Finding the Home Display To find the Home Display from the Home Menu, press the Page key until the current temperature is shown on the... -
Page 16: Checking The Temperature Setpoint From The Home Display
3.0 301 Controller 3.2.6 Checking the Temperature Setpoint from the Home Display Start at the Home Display. Press either the up or down Arrow key. The setpoint will show on the display for 3 seconds before returning to the home display. 3.2.7 Changing the Temperature Setpoint Start at the Home Display. -
Page 17: Changing The Timer Time
3.0 301 Controller 3.2.9 Changing the Timer Time Start at the Home Display. Repeatedly press the Page key to scroll through the Home Menu until t1, t2, t3, t4 or t5 shows on the dis- play. Use the up and down Arrow keys to turn off, or alter the value. -
Page 18: Changing The Timer Band
3.0 301 Controller 3.3.3 Changing the Timer Band Start at the Home Display. Hold the Page key for 1.5 seconds to enter the Setup Menu. Once entered, repeatedly press the Page key until t.bnd is displayed. Use the up and down Arrow keys to turn off or alter the value. -
Page 19: Changing The Customer Calibration Type
3.0 301 Controller 3.3.5 Changing the Customer Calibration Type Start at the Home Display. Hold page key for 1.5 seconds to enter the set-up menu. Once entered, repeatedly press page key until CL.St is displayed. Use the up and down Arrow keys to display the current calibration type. -
Page 20: The Timer
3.0 301 Controller without adjustment of the ramp rate, the controller can become out of step and appear to switch off. Putting the controller into, then out of 'Hold' mode will reset the ramp rate and force the controller back into control. The Timer 3.5.1 Starting the Timer Start at the Home Display. -
Page 21: Resetting The Timer
3.0 301 Controller 3.5.4 Resetting the Timer When the timer count has ended, or the timer is paused, start at the Home Display. Press and hold the Timer key for 1.5 seconds. rSt is displayed to indicate timer reset. 3.5.5 Timer Function Description The 301 Controller has an in-built timer, which can be set to one of five types: Timer Type t1 On pressing the Timer key;... -
Page 22: The Timer Temperature Band
3.0 301 Controller Timer Type t5 On pressing the Timer key; 'Timer Type 5' starts the countdown immediately. On completion of the countdown, the product continues to control as normal ('End' flashes on the display). 3.5.6 The Timer Temperature Band Timer type t1 or t4 starts the countdown when the setpoint temperature is reached. -
Page 23: Timer Function Table
3.0 301 Controller 3.5.7 Timer Function Table On Pressing the During the Completion of the t.typ Timer Key Countdown Countdown Heating Starts when setpoint Timer Counts Down reached Flashes t1 3 times. Current Cycling Current Display Temperature Temperature/ End Shows Time remaining. Timer Flashing until setpoint Indicator... -
Page 24: Ramp Dwell Programming
3.0 301 Controller Ramp Dwell Programming The 301 Controller has the capability to follow a Ramp Dwell program. Temperature Time Setpoint Ramp SPrr Rate (SPrr) Dwell Time t1 Natural Cool Down 3.6.1 Setting up a Ramp Dwell program Set the Controller to Hold Mode: Start at the home display Press and hold the up and down keys together for 1.5 seconds. - Page 25 3.0 301 Controller Set the Timer Type to t1 Start at the home display Press and hold the Page key for 1.5 seconds to enter the Setup Menu. Repeatedly press the Page key until t.typ shows on the display. Use the up and down Arrow keys to set the value to t1. The value will then be stored without any further input.
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Page 26: Maximum Output Setting
3.0 301 Controller Start the Timer Start at the Home Display. Pressing the Timer key starts the program. Pressing the Timer key will automatically exit 'Hold' mode if set (see section 3.2.5 for more information) and the controller will start to operate. Press and hold down the Page key for 1.5 seconds to return to the Home Menu. -
Page 27: Changing The Single Point Calibration Offset - Ofst
3.0 301 Controller Measured Calibration Displayed Old Offset New Offset New Offset Temp (°C) Temp (°C) Value (°C) Adjustment Value (°C) The calibration temperature may be measured at the centre of the chamber or through a specially fitted port. New Offset Value = Old Offset Value + New Offset adjustment New Offset Adjustment = Measured Calibration Temperature –... -
Page 28: Changing The Calibration, Low Temperature - Cal.l
3.0 301 Controller 3.8.5 Changing the Calibration, Low Temperature - CAL.L Start at the home display. Hold the Page Key for 1.5 seconds to access the Setup Menu. Press the Page key until CL.St is displayed. Press the up or down Arrow keys to display the current cal- ibration offset. -
Page 29: Changing The Calibration, High Temperature Offset - Ofs.h
3.0 301 Controller 3.8.8 Changing the Calibration, High Temperature Offset - OFS.H Start at the home display. Hold the Page Key for 1.5 seconds to access the Setup Menu. Repeatedly press the Page key until CL.St is displayed. Press the up or down Arrow keys to display the current cal- ibration offset. -
Page 30: Over-Temperature Protection
3.0 301 Controller Over-Temperature Protection This controller may be fitted with the over-temperature protection option. If the over- temperature option is fitted the 301 display will include the Over-Temperature key and indicator (as shown in the diagram above). An independent control circuit and temperature sensor provide the over-temperature protection. -
Page 31: Changing The Over-Temperature Limit
3.0 301 Controller 3.9.2 Changing the Over-Temperature Limit Note: If protection of the sample being processed is required, the over-temperature limit is normally set 15 °C above the temperature setpoint of the controller. If protection of the furnace or oven is required, the over-temperature limit is normally set 15 °C above the maximum setpoint of the furnace or oven. -
Page 32: Over-Temperature Protection Calibration
3.0 301 Controller 3.9.4 Over-Temperature Protection Calibration The over-temperature protection circuit can be calibrated in the same way as the main controller. However, this is not normally necessary as the level of accuracy required for over-temperature protection is not as critical as it is for the main control temperature. -
Page 33: Resetting Over-Temperature Activation
3.0 301 Controller 3.9.6 Resetting Over-Temperature Activation Start at the home display. Press and hold the Over-Temperature key until Ott is dis- played. Repeatedly press the Page key until Ot is displayed and the red indicator stops flashing. Press the up or down Arrow key to check the over-tem- perature limit value. -
Page 34: Rs232 Communication Option
3.0 301 Controller 3.10 RS232 Communication Option The 301 Controller can be supplied with the capability to communicate with other devices via an RS232 link. If this option has been ordered, the furnace or oven will be supplied with a 9 pin ‘D’ socket for connecting to an external device. Plugging this into a computer will allow the controller to be accessed from that computer. -
Page 35: Glossary Of Terms
3.0 301 Controller 3.12 Glossary of Terms The target temperature the furnace or oven is trying Setpoint (SP) °C to reach. Setpoint Ramp The speed at which the furnace or oven is allowed to °C/ Min Rate (SPrr) heat up or cool down Element The heating device used in the furnace or oven. -
Page 36: Operation
4.0 Operation 4.0 Operation Operating Cycle This product is fitted with an instrument switch which cuts off power to the control circuit. Connect the product to the electrical supply. There is also a heater switch which can be used to disconnect power to the elements. Operate the instrument switch to activate the temperature controller. -
Page 37: Operator Safety
4.0 Operation Operator Safety The ceramic materials used in the product manufacture become electrically conductive to some extent at high temperatures. DO NOT use any conductive tools within the product without isolating it. If a metal work tube is used, it must be earthed (grounded). Switch off the heater switch whenever loading or unloading the product. -
Page 38: Running At Low Temperatures
4.0 Operation look at the OP.Hi parameter make a note of the value and compare with the 9.0; observe the rating label; if a range of voltages is stated, it is not a 208 V multi voltage model; if in doubt, check with Carbolite Gero – each product has its own record card. Refer to the controller instructions for how to change the power limit. -
Page 39: Maintenance
5.0 Maintenance 5.0 Maintenance General Maintenance Preventive rather than reactive maintenance is recommended. The type and frequency depends on the product use; the following are recommended. Maintenance Schedule CUSTOMER QUALIFIED PERSONNEL DANGER! ELECTRIC SHOCK. Risk of fatal injury. Only electrically qualified personnel should attempt these maintenance procedures. - Page 40 5.0 Maintenance Seals (if fitted) Check all seals and O-rings and clamps Performance Element Circuit Electrical measurement Measure the current drawn on each Power Consumption phase / circuit Check whether the cooling fans are work- Cooling Fans (if fitted)
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Page 41: Cleaning
5.0 Maintenance 5.2.1 Cleaning Soot deposits may form inside the furnace, depending on the process. At appropriate intervals remove these by heating as indicated in the General Operation Notes. The product's outer surface may be cleaned with a damp cloth. Do not allow water to enter the interior of the case or chamber. -
Page 42: Repairs And Replacements
6.0 Repairs and Replacements 6.0 Repairs and Replacements Safety Warning - Disconnection from Power Supply Immediately switch the product off in the event of unforeseen circumstances (e.g. large amount of smoke). Allow the product to return to room temperature before inspection. Always ensure that the product is disconnected from the electrical supply before repair work is carried out. -
Page 43: Thermocouple Replacement
6.0 Repairs and Replacements Thermocouple Replacement The coverings and guards which must be removed to gain access to the thermocouple depend on the model, its orientation (horizontal or vertical), and possibly other options and fittings. It will usually be necessary to separate the product from its base or stand. On horizontal models one outer end-cap will need to be removed and on vertical models the terminal cover. - Page 44 6.0 Repairs and Replacements If any fuse has failed, it is advisable for an electrician to check the internal circuits. Replace any failed fuses with the correct type. For safety reasons do not fit larger capacity fuses without first consulting Carbolite Gero. The fuses are located at the cable entry point.
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Page 45: Element Replacement
6.0 Repairs and Replacements Element Replacement See section 6.2 - wearing a face mask is required. The coverings and guards which must be removed to enable replacement of the wound tube element depend on the furnace model, its orientation (horizontal or vertical), and other options and fittings. -
Page 46: Fault Analysis
7.0 Fault Analysis 7.0 Fault Analysis Furnace Does Not Heat Up The HEAT The heating element Check also that the SSR is working light is ON has failed correctly The controller shows a The HEAT The thermocouple has broken or has very high temperature light is OFF a wiring fault... -
Page 47: Product Overheats
7.0 Fault Analysis Product Overheats Product only heats up The controller when the instrument shows a very high The controller is faulty switch is ON temperature The thermocouple may be The controller faulty or may have been shows a low removed out of the heating temperature chamber... -
Page 48: Wiring Diagrams
8.0 Wiring Diagrams 8.0 Wiring Diagrams WA-11-30 Connections below show single phase with indirect safety switch(es). F1, F2, F3 Fuses Filter R1/1, R1/2 Relay Contactor Relay Cables Temperature Controller Blue Control Thermocouple Solid State Relay GR/Y Green + Yellow Safety Switch Grey Heat Lamp Pink... - Page 49 8.0 Wiring Diagrams WA-11-31 Connections below show single phase with safety switches and over-temperature control. F1, F2, F3 Fuses Filter R1/1, R1/2 Relay Contactor Relay Temperature Controller Cables Over-Temperature Controller Blue Over-Temperature Thermocouple Control Thermocouple GR/Y Green + Yellow Solid State Relay Grey Safety Switch Pink...
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Page 50: Fuses And Power Settings
9.0 Fuses and Power Settings 9.0 Fuses and Power Settings Fuses F1 - F3: Refer to the circuit diagrams. GEC Safeclip of the type shown Fitted if supply cable fitted. Internal (glass type F up to 16 A) Supply Fitted on board to some types 38 mm x 10 mm type F fitted on Fuses of EMC filter. -
Page 51: Specifications
10.0 Specifications 10.0 Specifications Carbolite Gero reserves the right to change the specification without notice. Work Heated Max Temp Work Tube Tube Model Power Length Weight (°C) Bore(mm) Length (kW) (mm) (kg) (mm) Tube furnaces with a ceramic work tube wound with resistance wire MTF 10/15/130 1000 Note: Weights are approximate for horizontal models and do not include fittings or... - Page 53 Notes Service Record Engineer Name Date Record of Work...
- Page 54 The products covered in this manual are only a small part of the wide range of ovens, chamber furnaces and tube furnaces manufactured by Carbolite Gero for laboratory and industrial use. For further details of our standard or custom built products please contact us at the address below, or ask your nearest stockist.
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