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Installation, Operation and Maintenance Instructions

250 °C Peak Fan Convection Oven - PF Model: 800 Litres
No Controller

PF 800 + No Controller

MEN-PF800-005_NOCTRL (18-10-2021)

Summary of Contents for CARBOLITE GERO PF 800

Page 1: ...Installation Operation and Maintenance Instructions 250 C Peak Fan Convection Oven PF Model 800 Litres No Controller PF 800 No Controller MEN PF800 005_NOCTRL 18 10 2021 ...

Page 2: ...oller 10 4 0 Operation 11 4 1 Operating Cycle 11 4 2 Over Temperature Control if fitted 11 4 3 Vents 11 4 4 Temperature Uniformity 12 4 5 Explosive Vapours 12 4 6 Atmospheres 12 4 7 Interior Light if fitted 12 4 8 Solenoid Valve with Manual Switch if fitted 12 4 9 Variable Speed Fan if fitted 13 4 10 Exhaust Fan if fitted 13 4 11 Stoving and Curing if fitted 13 4 11 1 Pre heater if fitted 13 4 12 ...

Page 3: ...nt 21 6 5 Solid State Relay Replacement 21 6 6 Thermocouple Replacement 21 6 7 Element Replacement 21 6 8 Fuse Replacement 22 7 0 Fault Analysis 23 A Oven Does Not Heat Up 23 B Oven Overheats 23 8 0 Wiring Diagrams 24 8 1 WV 33 00 24 8 2 WV 33 01 25 9 0 Fuses and Power Settings 27 9 1 Fuses 27 9 2 Power Settings 27 10 0 Specifications 28 10 1 Environment 28 3 ...

Page 4: ...p is illuminated the door is locked and cannot be opened 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 4 ...

Page 5: ...ing 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 5 ...

Page 6: ...moving packing materials Locate the shelves and runners as required 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 height o...

Page 7: ...of any obstruction Always ensure all cooling vents and cooling fans if fitted are clear of any obstruction The ends of the runners should be inserted into the vertical columns of holes simultaneously at the front and the back The bar should then be rotated through 90 in a downwards direction to secure it in place The shelves slide onto the runners such that the spurs on the lower side of the shelf...

Page 8: ...es 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 fused and isolated supply The product s electrical access panel should be temporarily removed and connections made to the internal terminals When connecting t...

Page 9: ...2 or 3 phase L1 Black to phase 1 L2 Black to phase 2 L3 Black to phase 3 except 2 phase N Light Blue to neutral except delta PE Green Yellow to earth ground 9 ...

Page 10: ...3 0 Temperature Controller If this product is fitted with a temperature controller instructions are provided separately 10 ...

Page 11: ... instructions supplied To switch the product off turn off the instrument switch If the product is to be left unattended isolate the electricity supply DO NOT switch off if the temperature is above 100 C damage could be caused to the fan and motor Adjust the controller to allow the temperature to fall 4 2 Over Temperature Control if fitted The over temperature controller should typically be set at ...

Page 12: ...et 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 Residual oxygen of approximately 1 to 2 is to be expected 4 7 Interior Light if fitted If fitted the interior light is operated using the pan...

Page 13: ...energy wasted in heating air 4 11 Stoving and Curing if fitted The stoving and curing option adds an explosion relief panel and a powered exhaust fan With this option the exhaust fan operates continuously when the product is switched on A pressure switch detects that there is sufficient air flow through the chamber If the pressure switch does not detect sufficient air flow a fault light illuminate...

Page 14: ... 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 14 ...

Page 15: ...t lower than the displayed tem perature and check for an over tem perature alarm as detailed in this manual Over Temperature Safety Circuit if fitted Electrical measurement Door Seal Visual inspection check for splits or fraying Door Seal Replacement Air Vent Check and clean if necessary Electrical Safety external Visual check of external cables and plugs Electrical Safety internal Physically chec...

Page 16: ... Circulating Fan if fitted Visual check to see if it is running Circulating Fan if fitted Check bearings and replace if neces sary Element Circuit Electrical measurement Power Consumption Measure the current drawn on each phase circuit Shelves Visual check for fit and damage 16 ...

Page 17: ...urnace and oven products both at the Carbolite Gero factory and at customers premises throughout the world A telephone call or email often enables a fault to be diagnosed and the necessary 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...

Page 18: ...ply 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 18 ...

Page 19: ...cant level of airborne dust from these materials but much 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 e...

Page 20: ...ring that the bottom edge of the panel remains in contact with the main cas ing carefully lower the panel downwards to expose the products electrical com ponents Note Make a note of all connections before disconnecting any wiring 6 3 2 Internal Element Cover To gain access to the heating element thermocouple and fan 1 Open the oven door The internal element cover is situated on the right hand side...

Page 21: ...ns Make a note of the thermocouple connections Thermocouple cable colour codings are Thermocouple Leg Colour positive type K green negative white 1 Disconnect the thermocouple to be replaced from its terminal block and withdraw it 2 Re assemble the new thermocouple observing the colour coding 3 Refit the element access panel 6 7 Element Replacement l Remove the side panel and the internal element ...

Page 22: ...model supply fuses and control circuit fuses may be mounted in their own holders or may be on a circuit board that contains an EMC filter The fuses are marked with their ratings Take care not to disconnect the wires leading from the EMC filter without first recording their positions they must be reconnected to the correct terminals 22 ...

Page 23: ...ntroller There are no lights glowing on the controller The controller may be faulty or not receiving a supply due to a faulty switch or a wiring fault B Oven Overheats 1 Oven only heats up when the instrument switch is ON The controller shows a very high temperature The controller is faulty The controller shows a low temperature The thermocouple may have been shorted out or may have been moved out...

Page 24: ...with indirect safety switches Key F1 F2 Fuses FIL Filter SW Instrument Switch FM Fan Motor Fan Models Only C Temperature Controller TC Thermocouple R1 1 R1 2 Relay R1 Relay Contactor SSR Solid State Relay EL Element s L1 L2 Live N Neutral PE GR Y Earth Green Yellow 24 ...

Page 25: ...8 2 WV 33 01 Connections below show 3 phase N with indirect safety switches fan motor if fitted and over temperature control 25 ...

Page 26: ...Motor Fan Models Only C Temperature Controller TC Thermocouple OT Over Temperature Controller OTC Over Temperature Thermocouple R1 1 R1 2 R1 3 Relay R1 Relay Contactor SSR Solid State Relay EL Element s L1 L2 L3 Live N Neutral PE GR Y Earth Green Yellow 26 ...

Page 27: ...phase 220 240 V 16 A 2 A PF 800 3 phase N 380 220 415 240 V 16 A 2 A 208 V models may have a higher fuse rating check the rating label Stoving and Curing and possibly moisture extraction option models may have a higher fuse rating check the rating label 9 2 Power Settings The power limit settings parameter OP Hi for this model are voltage dependant The figures represent the maximum percentage of t...

Page 28: ... mm Approx Capacity l Net Weight kg H W D Peak Range Ovens with fans PF 800 250 9 0 1500 1200 510 910 365 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 Relative humidity Maximum 80 up to 31 C decreasing linearly to 50 at 40 C 28 ...

Page 29: ...Notes Service Record Engineer Name Date Record of Work ...

Page 30: ... 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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