VERDER CARBOLITE GERO VMF 10/6 Installation, Operation And Maintenance Instructions Download Page 15 | Manualshive

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The power limit may be set to a lower limit if the product is to be used at a low
temperature only: this may give better control stability. It may be set to zero to permit
demonstration of the controls without the heating elements taking power; to resume
heating reset it to its standard value.

15

5.0 Operation

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Summary of Contents for CARBOLITE GERO VMF 10/6

Page 1: ...Installation Operation and Maintenance Instructions 1000 C Volatile Matter Test Furnace VMF Model 6 Litres No Controller VMF 10 6 No Controller MEN VMF1006 005_NOCTRL 05 08 2019 ...

Page 2: ... Up 5 2 3 Chimney 6 2 4 Electrical Connections 7 3 0 Temperature Controller 9 4 0 2132 Over Temperature Controller Description if fitted 10 4 1 Description 10 4 2 Operation 10 4 2 1 Controls 10 4 2 2 Operation 11 4 2 3 Over Temperature Operation 11 4 2 4 Over Temperature Alarm 11 4 2 5 Resetting the Over Temperature Alarm 11 4 2 6 Sensor Break 11 4 3 Audible Alarm 12 4 4 Navigation Diagram 12 5 0 ...

Page 3: ...ure Controller Replacement 20 7 4 Solid State Relay Replacement 21 7 5 Thermocouple Replacement 21 7 6 VMF Element Replacement 22 7 7 Door Plug Replacement 23 7 8 Fuse Replacement 23 8 0 Fault Analysis 25 A Furnace Does Not Heat Up 25 B Product Overheats 26 9 0 Wiring Diagrams 27 9 1 WA 11 30 27 9 2 WA 11 31 28 10 0 Fuses and Power Settings 29 10 1 Fuses 29 10 2 Power Settings 29 11 0 Specificatio...

Page 4: ...ent light glows or flashes to indicate that power is being supplied to the elements 1 2 General Warnings DANGER Electric shock Read any warning printed next to this symbol WARNING Risk of fatal injury 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 4 ...

Page 5: ...ASW For precautions and advice on handling this material see section 7 2 2 2 Siting and Setting Up Place the product on a level surface in a well ventilated area Site away from other sources of heat and on a non flammable surface that is resistant to accidental spillage or hot materials The surface on which the equipment is mounted should be stable and not subject to movement or vibrations The hei...

Page 6: ...nts on the top of the product are clear of any obstruction Always ensure all cooling vents and cooling fans if fitted are clear of any obstruction 2 3 Chimney The chimney is a length of tubing If it is supplied unfitted then fit it through the hole in the top of the case If the product is to be used to heat substances that emit fumes a fume extraction duct of approximately 75 mm 150 mm inlet diame...

Page 7: ...s also given towards the back of this 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 Products without a factory fitted supply cable require a permanent connection to a fuse...

Page 8: ...ive Neutral Reversible or Live Live 1 phase L Brown to live to either power conductor For USA 200 240V connect L1 N Blue to neutral to the other power conductor For USA 200 240V connect L2 PE Green Yellow to earth ground to earth ground Electrical Connection Details 8 ...

Page 9: ...3 0 Temperature Controller If this product is fitted with a temperature controller instructions are provided separately 9 3 0 Temperature Controller ...

Page 10: ...strument switch which cuts off power to the controller and other parts of the control circuit To operate the controller power must be supplied to the product and the instrument switch must be on If a time switch is included in the product circuit this must be in the ON position When an over temperature condition occurs the controller cuts the power to a contactor which in turn cuts power to the he...

Page 11: ... set at 15 C above the furnace or oven maximum working temperature Press scroll twice view the present temperature as measured by the over temperature controller Press it twice the first press shows the temperature units C 4 2 4 Over Temperature Alarm If an over temperature condition occurs the OP2 indicator flashes and an alarm message 2FSH also flashes alternating with the setpoint Power to the ...

Page 12: ...erature 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 4 4 Navigation Diagram HL Home List Page Key Black Progress OTSP Over Temperature Setpoint Scroll Key Dashed Through to other options AL Access List For factory access to list and parameters not available to the operator 12 ...

Page 13: ...ontroller display will go blank If the product is to be left unattended isolate it from the electrical supply 5 2 General Operating Notes Heating element life is shortened by overheating Do not leave the product at high temperature when it is not required The maximum temperature is shown on the product rating label and in section 11 0 towards the back of this manual When heating large objects in p...

Page 14: ...be checked periodically Depending on use the surfaces in the working chamber and the chamber load may still be very hot after the appliance is switched off Touching these surfaces may cause burns Use suitable personal protective equipment or wait until the appliance cools down to ambient temperature Before removing a hot object from the product make sure there is a safe place to put it down If nec...

Page 15: ...oduct is to be used at a low temperature only this may give better control stability It may be set to zero to permit demonstration of the controls without the heating elements taking power to resume heating reset it to its standard value 15 5 0 Operation ...

Page 16: ...heater light goes out Safety Switch Function Electrical measurement Over Temperature Safety Circuit if fitted Set an over temperature setpoint lower than the displayed temperature and check for an over temperature alarm as detailed in this manual Over Temperature Safety Circuit if fitted Electrical measurement Door Plug Visual inspection checking the seal and whether it is free of damage Door Plug...

Page 17: ...ection and report incor porating a test of all functions Performance Element Circuit Electrical measurement Power Consumption Measure the current drawn on each phase circuit Hearth Visual check for fit and damage Cooling Fans if fitted Check whether the cooling fans are working 17 6 0 Maintenance ...

Page 18: ...fe temperature above ambient The heater lights should illuminate l Open the door and check the heater lights They should no longer be illuminated If the heater lights remain illuminated when the door is open discontinue use and contact Carbolite Gero Service Annual check The following checks should be carried out by a qualified electrician as specified in the Maintenance Schedule section of this m...

Page 19: ...y parts to be despatched In all correspondence please quote the serial number and model type given on the rating label of the product The serial number and model type are also given on the back of this manual when supplied with the product Carbolite Gero Service and Carbolite Gero contact information can be found on the back page of this manual 6 5 Recommended Spare Parts and Spare Parts Kit Carbo...

Page 20: ... higher levels may be encountered during maintenance or repair Whilst there is no evidence of any long term health hazards it is strongly recommended that safety precautions are taken whenever the materials are handled Exposure to fibre dust may cause respiratory disease When handling the material always use approved respiratory protection equipment RPE eg FFP3 eye protection gloves and long sleev...

Page 21: ...supply Remove terminal cover to gain access to the thermocouple connections Make a note of the thermocouple connections Thermocouple cable colour codings are Thermocouple leg Colour positive type K green negative white Disconnect the thermocouple from its terminal block and withdraw the thermocouple from its sheath by bending the metal tag or releasing the screw to release It is also advisable to ...

Page 22: ...insulation box Remove the insulation box by carefully sliding it out through the back of the furnace case Carefully slide in the new insulation box and fasten the four bolts DO NOT support the element by putting your hand inside the chamber the element is fragile As necessary shorten the element tails by clipping to length Remake all the thermocouple and element connections according to the indivi...

Page 23: ...the door cover When first heating the furnace after a replacement ensure that the ventilation is good emission of some fumes is to be expected Key A Door seen from the back A1 Door Cover A2 Fixing Screws A3 Door Plug Carrier A4 Door Link Arms B Door Plug B1 Top 7 8 Fuse Replacement Fuses are marked on the wiring diagram with type codes e g F1 F2 For more information on fuses refer to section 10 0 ...

Page 24: ...check the internal circuits Replace any failed fuses with the correct type For safety reasons do not fit larger capacity fuses without first consulting Carbolite Gero The fuses are located at the cable entry point Remove the back panel or control box back panel to gain access to the fuses 24 ...

Page 25: ...The door switch es if fitted may be faulty or need adjustment The contactor relay if fitted may be faulty The heater switch if fitted may be faulty or need adjustment The SSR could be failing to switch on due to internal failure faulty logic wiring from the controller or faulty controller There are no lights glowing on the controller Check the supply fuses and any fuses in the furnace control comp...

Page 26: ...aulty The controller shows a low temperature The thermocouple may be faulty or may have been removed out of the heating chamber The thermocouple may be connected the wrong way around The controller may be faulty 2 Product heats up when the instrument switch is OFF The SSR has failed ON Check for an accidental wiring fault that could have overloaded the SSR 26 ...

Page 27: ...ey F1 F2 F3 Fuses FIL Filter R1 1 R1 2 Relay Contactor R1 Relay C Temperature Controller TC Control Thermocouple SSR Solid State Relay SSW Safety Switch H Heat Lamp EL Element s SW Instrument Switch es N Neutral L Live PE Earth Cables BU Blue R Red GR Y Green Yellow G Grey P Pink 27 9 0 Wiring Diagrams ...

Page 28: ...FIL Filter R1 1 R1 2 Relay Contactor R1 Relay C Temperature Controller OT Over Temperature Controller OTC Over Temperature Thermocouple TC Control Thermocouple SSR Solid State Relay SSW Safety Switch H Heat Lamp EL Element s SW Instrument Switch es N Neutral L Live PE Earth If Fitted Cables BU Blue R Red GR Y Green Yellow G Grey P Pink 28 ...

Page 29: ... 6 mm Customer Fuses Required if no supply cable fitted Recommended if cable fitted See rating label for current See table below for fuse rating Model Phases Volts Supply Fuse Rating VMF 10 6 1 phase 220 240 16 A 10 2 Power Settings The power limit settings parameter OP Hi for this model are voltage dependant The figures represent the maximum percentage of time that controlled power is supplied to...

Page 30: ...g Elements l Net Weight kg H W D Ashing Burn off and Coal and Coke Testing Furnace VMF 10 6 1000 3 0 100 210 260 Vacuum Formed Slabs 45 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 Relative humidity Maximum 80 up to 31 C decreasing linearly to 50 at 40 C 30 ...

Page 31: ...Notes Service Record Engineer Name Date Record of Work ...

Page 32: ... us at the address below or ask your nearest stockist For preventive maintenance repair and calibration of all furnace and oven products please contact Carbolite Gero Service Telephone 44 0 1433 624242 Fax 44 0 1433 624243 Email ServiceUK carbolite gero com Carbolite Gero Ltd Parsons Lane Hope Hope Valley S33 6RB England Telephone 44 0 1433 620011 Fax 44 0 1433 621198 Email Info carbolite gero com...

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