Related Manuals for VERDER Carbolite Gero CR/180
Summary of Contents for VERDER Carbolite Gero CR/180
- Page 1 Installation, Operation and Maintenance Instructions 250°C Clean Room Oven - CR Model: 180 Litres No Controller CR/180 + No Controller MEN-CR180-005_NOCTRL (11-10-2022)
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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 6.0 Repairs and Replacements Safety Warning - Disconnection from Power Supply Safety Warning - Refractory Fibre Insulation Panel Removal Temperature Controller Replacement Solid-State Relay Replacement Thermocouple Replacement Element Replacement Fuse Replacement 7.0 Fault Analysis Oven Does Not Heat Up Oven Overheats 8.0 Wiring Diagrams WV-11-01 WS-10-01 - Isolating for 208 V version only...
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Page 4: 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. Interior light: when the interior light switch is operated the interior light illuminates. Solenoid valve (if fitted): see section 4.8 for full details Variable speed fan (if fitted): see section 4.9 for full details Exhaust fan (if fitted): see section 4.10 for full details Stoving and curing (if fitted): see section 4.11 for full details... - Page 5 DANGER – Hot surface. Read any warning printed next to this symbol. WARNING: All surfaces of a product may be hot. DANGER – Read any warning printed next to this symbol. Caution – Double Pole/Neutral Fusing...
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Page 6: 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 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.
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Page 8: Flat Pack Stand (Optional)
2.3 Flat Pack Stand (optional) The flat pack stand is available in a range of sizes depending on the dimensions of the product for which it has been ordered. Subsequently, the number of fixings may vary between the different sizes of stand. 2.3.1 Parts Supplied Stand Top (x1) -
Page 9: Flat Pack Stand Assembly
2.3.2 Flat Pack Stand Assembly... -
Page 10: Electrical Connections
Electrical Connections Connection by a qualified electrician is recommended. All models 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. - Page 11 Check the product rating label before connection. The supply voltage should agree with the voltage on the label and the supply capacity should be sufficient for the current on the label. The supply should be fused at the next size equal to, or higher than the current on the label.
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Page 12: Temperature Controller
3.0 Temperature Controller If this product is fitted with a temperature controller, instructions are provided separately. -
Page 13: Operation
4.0 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: Vents
4.3 Vents This product features an outlet vent situated in the roof, through which hot air and any exhaust fumes can escape. Note: It is recommended that this product is placed in an environment with appropriate extraction for the heating process. Temperature Uniformity Where accurate temperature control of the load is important, use the central part of the chamber and place or distribute the load to allow free air circulation. -
Page 15: Solenoid Valve With Manual Switch (If Fitted)
Solenoid Valve with Manual Switch (if fitted) If ordered the solenoid valve is operated using the panel mounted switch. When the switch is in the 'ON' position the solenoid valve will allow gas to flow. Ensure the installation and use of the product does not create a hazardous atmosphere. -
Page 16: Pre-Heater (If Fitted)
4.11.1 Pre-heater (if fitted) Products with the stoving and curing option may also be fitted with a pre-heater that pre-heats the incoming air to the same temperature set on the main controller. The temperature of the pre-heater is controlled by the main controller, but measured by a separate thermocouple. -
Page 17: 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. Frequency Maintenance Method... - Page 18 Performance Check whether the cooling fans are Cooling Fans (if fitted) working Circulating Fan Visual check to see if it is running (if fitted) Circulating Fan Check bearings and replace if neces- (if fitted) sary Element Circuit Electrical measurement Measure the current drawn on each Power Consumption phase / circuit Shelves...
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Page 19: Cleaning
5.2.1 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. - Page 20 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 9.0 for details of power limit settings.
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Page 21: 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 22: Temperature Controller Replacement
Control panel: Remove the 6 screws holding the control panel to the case. Internal element cover: Open the door. Thermocouples may be clipped to the fan cover. Note the location of the ther- mocouples. Unclip, and gently bend the thermocouples out of the way. Remove the screws holding the element cover at the back of the chamber, and car- fully remove the panel. -
Page 23: Element Replacement
Undo any clips holding the thermocouple. Remove the air guide from the oven chamber. Disconnect the thermocouple from its terminal block. Unscrew the compression fitting inside the chamber and pull the thermocouple into the chamber. Cut through the thermocouple behind the olive and remove the two parts. Loosely assemble compression fitting with a new ferrule. -
Page 24: Fault Analysis
7.0 Fault Analysis Oven Does Not Heat Up temperature No power from Check the fuses in the supply controller is supply line The controller shows a very high temperature The temperature sensor has temperature or a controller is broken or has a wiring fault code such as EEE or --- or S.br The SSR could be failing to... -
Page 25: Wiring Diagrams
8.0 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 26: Ws-10-01 - Isolating For 208 V Version Only
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 27: Fuses And Power Settings
9.0 Fuses and Power Settings Fuses F1 - F3: Refer to the circuit diagrams. Fitted if supply cable fitted. Internal 38 mm x 10 mm type F fitted on Supply Fitted on board to some types EMC filter circuit board(s) Fuses of EMC filter. -
Page 28: Specifications
10.0 Specifications Carbolite Gero reserves the right to change the specification without notice. Approx. Max Temp Max Power Net Weight Chamber Size (mm) Capacity Model (°C) (kW) (kg) Clean Room Ovens CR/180 2.25 10.1 Environment The models listed in this manual contain 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.
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