Related Manuals for VERDER Carbolite Gero CTF 12/75/700
Summary of Contents for VERDER Carbolite Gero CTF 12/75/700
- Page 1 Installation, Operation and Maintenance Instructions 1200°C Tube Furnace - CTF Model: 700mm No Controller CTF 12/75/700 + No Controller MEN-CTF12075-05_NOCTRL 02-01-2018...
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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 After-Sales Service Recommended Spare Parts and Spare Parts Kit 7.0 Repairs and Replacements Safety Warning - Disconnection from Power Supply Safety Warning - Refractory Fibre Insulation Temperature Controller Replacement Solid-State Relay Replacement Thermocouple Replacement Fuse Replacement Element Replacement 8.0 Fault Analysis Furnace Does Not Heat Up Product Overheats 9.0 Wiring Diagrams...
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Page 4: 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 5 1.0 Symbols and Warnings Caution – Double Pole/Neutral Fusing...
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Page 6: 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 7: Tube Fittings
2.0 Installation Tube Fittings For optimum temperature uniformity, insulating plugs should be placed in the tube ends as shown in fig.1. With a long work tube, the stem of the plug assembly should line up with the end of the tube as in fig.2. Alignment of radiation shields is similar to that of plugs. -
Page 8: Electrical Connections
2.0 Installation For assembly details refer to the separate work tube end seal manual. Electrical Connections Connection by a qualified electrician is recommended. The product covered by this manual may be ordered for single phase A.C. supply, which may be Live to Neutral non-reversible, Live to Neutral reversible or Live to Live. This model can be supplied for use on two phases of a three phase with neutral supply (one phase unused). - Page 9 2.0 Installation Electrical Connection Details: Supply Types Supply Terminal Label Cable Colour Reversible or Live- Live - Neutral Live to either power conductor 1-phase L Brown to live (For USA 200-240V, connect L1) to the other power conductor Blue to neutral (For USA 200-240V, connect L2) to earth...
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Page 10: Temperature Controller
3.0 Temperature Controller 3.0 Temperature Controller If this product is fitted with a temperature controller, instructions are provided separately. -
Page 11: 2132 Over-Temperature Controller Description (If Fitted)
4.0 2132 Over-Temperature 4.0 2132 Over-Temperature Controller Description (if fitted) Description Alarm Light Page Scroll D Down Display This over-temperature controller is fitted and supplied ready to use by Carbolite Gero. It is a digital instrument with a latching alarm, requiring no additional panel controls. The controller features easy setting of over-temperature setpoint and reading of current temperature by the over-temperature sensor. -
Page 12: Operation
4.0 2132 Over-Temperature 4.2.2 Operation When switched on, the controller lights up, goes through a short test routine and then displays the measured temperature or the over-temperature setpoint. The page key allows access to parameter lists within the controller. A single press of the page key displays the temperature units, normally set to °C;... -
Page 13: Audible Alarm
4.0 2132 Over-Temperature Audible Alarm If an audible alarm is supplied for use with the over-temperature controller, it is normally configured to sound on over-temperature condition and to stop sounding when the alarm is acknowledged as given in section 4.2. Note: the alarm may sound during controller start-up. -
Page 14: Operation
5.0 Operation 5.0 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 15: Operator Safety
5.0 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 16: Power Adjustment
5.0 Operation Power Adjustment The product control system incorporates electronic power limiting. The power limit parameter OP.Hi is accessible to the operator and can be used to adjust the product to the actual supply voltage. Some models covered by this manual are fitted with 208 V elements and are designed for use over the range of voltages 200 V- 250 V;... -
Page 17: Maintenance
6.0 Maintenance 6.0 Maintenance General Maintenance Preventive rather than reactive maintenance is recommended. The type and frequency depends on the product use; the following are recommended. 6.1.1 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. -
Page 18: Repairs And Replacements
7.0 Repairs and Replacements 7.0 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 19: Solid-State Relay Replacement
7.0 Repairs and Replacements Solid-State Relay Replacement Disconnect the product from the power supply and remove the appropriate cover as given above. Make a note of the wire connections to the solid state relay and disconnect them. Remove the solid state relay from the base panel or aluminium plate. Replace and reconnect the solid state relay ensuring that the bottom of it has good thermal contact with the base panel or aluminium plate. - Page 20 7.0 Repairs and Replacements The fuses are located at the cable entry point. Remove the back panel or control box back panel to gain access to the fuses.
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Page 21: Element Replacement
7.0 Repairs and Replacements Element Replacement 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. The general procedure is: Disconnect the product from the electrical supply. -
Page 22: Fault Analysis
8.0 Fault Analysis 8.0 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 23: Product Overheats
8.0 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 24: Wiring Diagrams
9.0 Wiring Diagrams 9.0 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 25 9.0 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...
- Page 26 9.0 Wiring Diagrams WA-22-30 Connections below show 2-phase +N with indirect safety switches. WA-22-31 Connections below show 2-phase +N with indirect safety switches and over- temperature control.
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Page 27: Fuses And Power Settings
10.0 Fuses and Power Settings 10.0 Fuses and Power Settings 10.1 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... -
Page 28: Specifications
11.0 Specifications 11.0 Specifications Carbolite Gero reserves the right to change the specification without notice. Work Work Uniform Heated Tube Tube Zone Model Temp Power Length Weight Bore Length Length (°C) (kW) (mm) (kg) (mm) (mm) (mm) Tube furnaces with a ceramic work tube wound with resistance wire CTF 12/75/700 1200 note... - Page 29 Notes Service Record Engineer Name Date Record of Work...
- Page 30 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.