VERDER CARBOLITE GERO TLD 28, Installation, Operation And Maintenance Instructions

Page 1: ...Installation Operation and Maintenance Instructions 400 C Annealing Ovens TLD Model 28 Litres No Controller TLD 28 No Controller MEN TLD28 002_NOCTRL 10 01 2019 ...

Page 2: ...emperature Controller 8 4 0 2132 Over Temperature Controller Description if fitted 9 4 1 Description 9 4 2 Operation 9 4 2 1 Controls 9 4 2 2 Operation 10 4 2 3 Over Temperature Operation 10 4 2 4 Over Temperature Alarm 10 4 2 5 Resetting the Over Temperature Alarm 10 4 2 6 Sensor Break 10 4 3 Audible Alarm 11 4 4 Navigation Diagram 11 5 0 Operation 12 5 1 Operating Cycle 12 5 2 Operating Program ...

Page 3: ...lacement 18 7 5 Thermocouple Replacement 18 7 6 Element Replacement 18 7 7 Fuse Replacement 18 7 8 Solid State Relay Replacement 19 8 0 Fault Analysis 20 A Oven Does Not Heat Up 20 B Oven Overheats 20 9 0 Wiring Diagrams 21 9 1 WV 11 00 21 9 2 WS 02 04 Alarm Operated Fan 22 10 0 Fuses and Power Settings 23 10 1 Fuses 23 10 2 Power Settings 23 11 0 Specifications 24 11 1 Environment 24 3 ...

Page 4: ...ed Solenoid valve if fitted see section 5 4 for full details 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: ...o Silicate Wool 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 vi...

Page 6: ...ny surface which must be made of non combustible material 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 Always ensure all cooling vents and cooling fans if fitted are clear of any obstruction 2 3 Electrical Connections Connection by a qualified electrician is recommended This product req...

Page 7: ... 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 If the product is to be connected by line plug The plug should be within reach of the operator and should be easy to remove When connecting the product to an isolating switch ensure that both conductors single...

Page 8: ...3 0 Temperature Controller 3 0 Temperature Controller If this product is fitted with a temperature controller instructions are provided separately 8 ...

Page 9: ...s 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 heating elements Power is n...

Page 10: ...supplied with the over temperature 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 alternati...

Page 11: ...top 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 11 4 0 2132 Over Temperature ...

Page 12: ...he stages shown in the graph below The rates of temperature rise dwell temperature and dwell times are all adjustable by the operator The general format of the program is installed at the manufacturing stage with initial values as shown in the table below Function Initial Setting Program 1 Start 2 Heat at a controlled rate heat up at 480 C hour to 300 C SEG n 1 rmP r tGt 300 C rAtE 8 C per min 3 D...

Page 13: ...in controller If an over temperature condition occurs check the main controller is functioning correctly An over temperature condition cuts off power to the heating elements A light in the over temperature controller flashes To reset this refer to the over temperature control section of this manual 5 4 Solenoid Valve with Manual Switch if fitted If ordered the solenoid valve is operated using the ...

Page 14: ...han the displayed temperature and check for an over temperature alarm as detailed in the relevant controller manual Over Temperature Safety Circuit if fitted Electrical measurement Door Seals Visual inspection check for splits or fray ing Door Seals Replacement Air Vent Check and clean if necessary Electrical Safety external Visual check of external cables and plugs Electrical Safety internal Phys...

Page 15: ...Fan if fitted Visual check to see if it is running Circulating Fan if fitted Check bearings and replace if necessary Element Circuit Electrical measurement Power Consumption Measure the current drawn on each phase circuit Shelves Visual check for fit and damage 15 6 0 Maintenance ...

Page 16: ... 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 supplied with the product Carbolite Gero Service a...

Page 17: ...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 equipment RPE eg FFP3 eye protection gloves and lo...

Page 18: ...ny broken pieces of thermocouple Re assemble with a new thermocouple observing the colour coding ensuring that the thermocouple is not twisted as it is being inserted and that the metal tag is bent back to grip the sheath Refit the element access panel 7 6 Element Replacement Remove front panel and the internal cover as necessary and locate the element terminals Disconnect the wires from the eleme...

Page 19: ...from the power supply and remove the appropriate cover as given above Make a note of the wire connections to the solid state relay and disconnect them Remove the solid state relay from the base panel or aluminium plate Replace and reconnect the solid state relay ensuring that the bottom of it has good thermal contact with the base panel or aluminium plate Replace the access panel 19 7 0 Repairs an...

Page 20: ...faulty controller 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 ...

Page 21: ... 11 00 Key F1 F2 Fuses FIL Filter SW Instrument Switch FM Fan Motor Fan Models Only C Temperature Controller TC Thermocouple SSR Solid State Relay EL Element s L Live N Neutral PE GR Y Earth Green Yel low 21 9 0 Wiring Diagrams ...

Page 22: ...9 0 Wiring Diagrams 9 2 WS 02 04 Alarm Operated Fan The fan is operated by an alarm relay in the controller The cooling fan does not operate if the instrument switch is switched off 22 ...

Page 23: ...Recommended if cable fitted See rating label for current See table below for fuse rating Model Phases Volts Supply Fuse Control Fuse TLD 28 1 phase N 220 240 V 10 A 5 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 the elements Do not attempt to improve perf...

Page 24: ... Size mm Approx Capacity l Net Weight kg H W D Ovens for thermoluminescent dosimeters TLD 28 400 2 25 305 305 305 28 95 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 24 ...

Page 25: ...Notes Service Record Engineer Name Date Record of Work ...

Page 26: ... 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...