Related Manuals for VERDER CARBOLITE GERO LHT 6/30
Summary of Contents for VERDER CARBOLITE GERO LHT 6/30
- Page 1 Installation, Operation and Maintenance Instructions 600°C Laboratory High Temperature Oven - LHT Model: 30 Litres No Controller LHT 6/30 + No Controller MEN-LHT6030-006_NOCTRL 06-08-2019...
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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 Maintenance Schedule 6.2.1 Cleaning Calibration After-Sales Service Recommended Spare Parts and Spare Parts Kit Power Adjustment 7.0 Repairs and Replacements Safety Warning - Disconnection from Power Supply Safety Warning - Refractory Fibre Insulation 7.3 Panel Removal 7.3.1 Side Panel 7.3.2 Internal Element Cover Temperature Controller Replacement Solid-State Relay Replacement...
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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. Solenoid valve (if fitted): see section 5.6 for full details Variable speed fan (if fitted): see section 5.7 for full details Exhaust fan (if fitted): see section 5.8 for full details Stoving and curing (if fitted): see section 5.9 for full details General Warnings... - Page 5 1.0 Symbols and Warnings DANGER – Read any warning printed next to this symbol. 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 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; position the product on a level surface and use an adequate number of personnel to safely move the product into position. -
Page 7: Electrical Connections
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 8 2.0 Installation manual. When the mains cable is factory fitted, internal fuses are also fitted. It is essential that the operator ensures that the product is correctly fused. Products with a factory fitted supply cable are designed to be wired directly to an isolator or fitted with a line plug.
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Page 9: Temperature Controller
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)
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
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
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
5.0 Operation 5.0 Operation Operating Cycle The product is fitted with an instrument switch. The switch cuts off power to the controllers and elements. The circulation fan will operate when the instrument switch is on. An optional door switch may be fitted. If so, ensure that the door is closed to operate the fans and heating elements. -
Page 14: Atmospheres
5.0 Operation Atmospheres When an optional gas inlet is fitted, there is a label near the inlet saying "INERT GAS ONLY". In practice, inert or oxidising gases may be used, but not combustible or toxic gases. The chamber is not gas tight, the gas usage may be high and the chamber is always likely to contain some air. -
Page 15: Variable Speed Fan (If Fitted)
5.0 Operation Variable Speed Fan (if fitted) If fitted, the variable speed control is fitted in the air circulation fan circuit. A panel mounted rotary dial is used to control the speed. Please note that there is a minimum setting at which the fan motor starts up when the product is switched on. -
Page 16: 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. Maintenance Schedule CUSTOMER QUALIFIED PERSONNEL DANGER! ELECTRIC SHOCK. Risk of fatal injury. Only electrically qualified personnel should attempt these maintenance procedures. - Page 17 6.0 Maintenance Check whether the cooling fans are work- Cooling Fans (if fitted) Circulating Fan Visual check to see if it is running (if fitted) Circulating Fan Check bearings and replace if necessary (if fitted) Element Circuit Electrical measurement Measure the current drawn on each Power Consumption phase / circuit Shelves...
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Page 18: Cleaning
6.0 Maintenance 6.2.1 Cleaning 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. Do not clean with organic solvents. Under no circumstances should any objects be placed on top of the product. Always ensure that any vents on the top of the product are clear of any obstruction. - Page 19 6.0 Maintenance In some cases the supply voltage may be outside the range 220-240 V or the 3-phase equivalent, the power limit parameter may be set to a value other than 100%. Do not increase the value to 100%, see section 10.0 for details of power limit settings.
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Page 20: 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 21: Panel Removal
7.0 Repairs and Replacements 7.3 Panel Removal Disconnect the product from the electrical supply. 7.3.1 Side Panel The side panel is located on the right-hand side of the product. To gain access to the products electrical components: 1. Remove all screws holding the panel in place. The bottom of the panel is con- structed in such a way that it will hinge downwards and allow access to electrical components without the need to remove the panel entirely 2. -
Page 22: Temperature Controller Replacement
7.0 Repairs and Replacements Temperature Controller Replacement Refer to the controller instructions for more information on how to replace the temperature controller. Solid-State Relay Replacement Disconnect the product from the power supply and remove the appropriate cover as given above. 1. -
Page 23: Fault Analysis
8.0 Fault Analysis 8.0 Fault Analysis Oven Does Not Heat Up temperature No power from Check the fuses in the supply line controller is supply The controller shows a very high temperature The temperature sensor has broken temperature or a controller is or has a wiring fault code such as EEE... -
Page 24: Wiring Diagrams
9.0 Wiring Diagrams 9.0 Wiring Diagrams WV-11-01 F1, F2 Fuses Filter Instrument Switch Relay (Coil) R1/1, R1/2 Relay Contactor Temperature Controller Over-Temperature Controller Thermocouple Solid State Relay Element(s) If Fitted Live Neutral Earth PE (GR/Y) (Green+Yellow) -
Page 25: Ws-10-01 - Isolating For 208 V Version Only
9.0 Wiring Diagrams WS-10-01 - Isolating for 208 V version only The transformer changes the supply voltage of the control circuit into the desired operating range for the controller and other components. The supply voltage as shown is taken from a single phase supply or from the phase-to- phase voltage of a 3-phase supply. -
Page 26: Fuses And Power Settings
10.0 Fuses and Power Settings 10.0 Fuses and Power Settings 10.1 Fuses F1-F2: 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 27: Specifications
11.0 Specifications 11.0 Specifications Carbolite Gero reserves the right to change the specification without notice. Approx Chamber Size (mm) Max Temp Max Power Net Weight Capacity Model (kg) (°C) (kW) Laboratory High Temperature Ovens LHT 6/30 11.1 Environment The models listed in this manual contains electrical parts and should be stored and used in indoor conditions as follows: Temperature: 5 °C - 40 °C... - 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.