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Summary of Contents for VERDER CARBOLITE GERO CWF 12
- Page 1 All manuals and user guides at all-guides.com Installation, Operation and Maintenance Instructions 1200°C Chamber Furnace - CWF Model: 36 Litres No Controller CWF 12/36 + No Controller MEN-CWF1236-005_NOCTRL 01-08-2019...
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Page 2: Table Of Contents
All manuals and user guides at all-guides.com 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 All manuals and user guides at all-guides.com 6.2.1 Cleaning 6.2.2 Safety Switch Calibration 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 Element Replacement (Laboratory Models)
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Page 4: Symbols And Warnings
All manuals and user guides at all-guides.com 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. -
Page 5: Installation
All manuals and user guides at all-guides.com 2.0 Installation 2.0 Installation Unpacking & Handling When unpacking or moving the product, always lift by its base; do not use the door or any other projecting cover or component to support the equipment when moving it. Use a fork lift or pallet truck to move the product;... -
Page 6: Hearth
All manuals and user guides at all-guides.com 2.0 Installation Depending on the application of the product, it may be appropriate to position it under an extraction hood. Ensure the extraction hood is switched on during use. Ensure that the product is placed in such a way that it can be quickly switched off or disconnected from the electrical supply. -
Page 7: Electrical Connections
All manuals and user guides at all-guides.com 2.0 Installation If the product is to be used to heat substances that emit fumes, a fume extraction duct of approximately 75 mm - 150 mm inlet diameter may be placed directly above the chimney outlet. -
Page 8: Voltage And Power Limit
All manuals and user guides at all-guides.com 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. -
Page 9: Temperature Controller
All manuals and user guides at all-guides.com 3.0 Temperature Controller 3.0 Temperature Controller If this product is fitted with a temperature controller, instructions are provided separately. -
Page 10: 2132 Over-Temperature Controller Description (If Fitted)
All manuals and user guides at all-guides.com 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 11: Operation
All manuals and user guides at all-guides.com 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 12: Audible Alarm
All manuals and user guides at all-guides.com 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 13: Operation
All manuals and user guides at all-guides.com 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. Turn on the instrument switch to activate the temperature controllers. The controllers illuminate and go through a short test cycle. -
Page 14: Use Of Probes
All manuals and user guides at all-guides.com 5.0 Operation Materials such as case hardening compounds and other reactive salts may penetrate the furnace chamber lining and attack the wire elements, causing premature failure. Use of a hearth tile may be advisable: please consult the Carbolite Gero technical department. Use of Probes Any metal object used to probe into the product chamber while the product is connected to the electrical supply must be earthed. -
Page 15: Power Adjustment
All manuals and user guides at all-guides.com 5.0 Operation Power Adjustment The product control system incorporates electronic power limiting. Depending on the model and the destination country the power limit maybe set to 100% or a lower figure. Where appropriate the power limit parameter OP.Hi is accessible to the operator, but it should not generally be altered. -
Page 16: Maintenance
All manuals and user guides at all-guides.com 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. Maintenance Schedule CUSTOMER QUALIFIED PERSONNEL DANGER! ELECTRIC SHOCK. Risk of fatal injury. Only electrically qualified personnel should attempt these maintenance procedures. - Page 17 All manuals and user guides at all-guides.com 6.0 Maintenance Operational Check Check that all functions are working normally Thorough inspection and report incor- Operational Check porating a test of all functions Performance Element Circuit Electrical measurement Measure the current drawn on each phase / Power Consumption circuit Hearth...
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Page 18: Cleaning
All manuals and user guides at all-guides.com 6.0 Maintenance 6.2.1 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 19: After-Sales Service
All manuals and user guides at all-guides.com 6.0 Maintenance thermocouple and temperature indicator should be made from time to time to determine whether full calibration is required. Carbolite Gero can supply these items. Depending on the controller fitted, the controller instructions may contain calibration instructions. -
Page 20: Repairs And Replacements
All manuals and user guides at all-guides.com 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. -
Page 21: Solid-State Relay Replacement
All manuals and user guides at all-guides.com 7.0 Repairs and Replacements Solid-State Relay Replacement Disconnect the product from the power supply and remove the appropriate cover as given above. 1. Make a note of the wire connections to the solid state relay, then disconnect them. 2. -
Page 22: Element Replacement (Laboratory Models)
All manuals and user guides at all-guides.com 7.0 Repairs and Replacements Element Replacement (Laboratory Models) See section 7.2 - wearing a face mask is required. The chambers have two side-mounted refractory panels in which coiled heating elements are inserted; each side contains 3 “hairpin” elements giving 6 coils of heating wire per side. -
Page 23: Door Plug Replacement
All manuals and user guides at all-guides.com 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. Door Plug Replacement See section 7.2 - wearing a face mask is required. The door insulation is made of bonded refractory sections, supplied as one piece. -
Page 24: Fault Analysis
All manuals and user guides at all-guides.com 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... -
Page 25: Product Overheats
All manuals and user guides at all-guides.com 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... -
Page 26: Wiring Diagrams
All manuals and user guides at all-guides.com 9.0 Wiring Diagrams 9.0 Wiring Diagrams... -
Page 27: Wa-U3-30
All manuals and user guides at all-guides.com 9.0 Wiring Diagrams WA-U3-30 Connections below show 3-phase +N with indirect safety switches. - Page 28 All manuals and user guides at all-guides.com 9.0 Wiring Diagrams F1, F2, F3 Fuses Filter (if fitted) Controller Control Thermocouple Cables R1, R2, R3 Relay Blue R1/1, R1/2, R2/1, R2/2, R3/1, R3/2 Relay contactor Instrument Switch(es) Black Safety Switch GR/Y Green + Yellow Element Grey Solid State Relay...
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Page 29: Wa-U3-31
All manuals and user guides at all-guides.com 9.0 Wiring Diagrams WA-U3-31 Connections below show 3-phase +N with safety switches and over-temperature control. - Page 30 All manuals and user guides at all-guides.com 9.0 Wiring Diagrams F1, F2, F3 Fuses Filter (if fitted) Controller Control Thermocouple Cables Over-Temperature Controller Blue Over-Temperature Thermocouple R1, R2, R3 Relay Black R1/1, R1/2, R2/1, R2/2, R3/1, R3/2 Relay contactor GR/Y Green + Yellow Instrument Switch(es) Grey Safety Switch...
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Page 31: Fuses And Power Settings
All manuals and user guides at all-guides.com 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... -
Page 32: Specifications
All manuals and user guides at all-guides.com 11.0 Specifications 11.0 Specifications Carbolite Gero reserves the right to change the specification without notice. Chamber Size Approx (mm) Model Temp Power Weight Capacity (l) (°C) (kW) (kg) Chamber furnaces heated by resistance wire resting on refractory formers. CWF 12/36 1200 11.1... - Page 33 All manuals and user guides at all-guides.com Notes Service Record Engineer Name Date Record of Work...
- Page 34 All manuals and user guides at all-guides.com 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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