Related Manuals for VERDER CARBOLITE GERO CR/130
Summary of Contents for VERDER CARBOLITE GERO CR/130
- Page 1 Installation, Operation and Maintenance Instructions 250°C Clean Room Oven - CR Model: 130 Litres No Controller CR/130 + No Controller MEN-CR130-005_NOCTRL (18-10-2021)
-
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 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 9.0 Fuses and Power Settings Fuses Power Settings...
-
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...
-
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: Electrical Connections
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 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.
-
Page 9: Temperature Controller
3.0 Temperature Controller If this product is fitted with a temperature controller, instructions are provided separately. -
Page 10: 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 11: Temperature Uniformity
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. Do not place loads on the chamber floor: use the bottom shelf. Explosive Vapours Unless your product includes the stoving and curing option, this model is not suitable for drying or heat treatment applications where... -
Page 12: Variable Speed Fan (If Fitted)
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 13: Door Switch (If Fitted)
4.12 Door Switch (if fitted) If ordered, the door switch will isolate the heating elements and circulation fan. The door switch is operated when the door is opened causing the heating elements and air circulation fan to be switched off. -
Page 14: 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 15 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...
-
Page 16: 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. Always ensure that any vents on the top of the product are clear of any obstruction. - Page 17 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.
-
Page 18: 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 19: 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 20: 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 22: 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 23: 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 24: 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 25: 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 26: 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/130 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 27 Notes Service Record Engineer Name Date Record of Work...
- Page 28 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.