VERDER Carbolite TZF Series Installation, Operation & Maintenance Instructions Manual Download

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Installation, Operation &

Maintenance Instructions

1200°C Tube furnaces (3-zone)

types TZF

This manual is for the guidance of operators of the above Carbolite products

and should be read before the furnace is connected to the electricity supply.

Manuals are supplied separately for the furnace controllers

(and overtemperature controller when fitted).

Please read the controller manuals before operating the furnace.

ONTENTS

Section

page

4.0

Error! Reference source not found.

Error! Bookmark not defined.

5.0

Repairs & Replacements

Fuses & Power Settings

9.0

Specifications

Summary of Contents for Carbolite TZF Series

Page 1: ...supply Manuals are supplied separately for the furnace controllers and overtemperature controller when fitted Please read the controller manuals before operating the furnace CONTENTS Section page 1 0 Introduction 2 2 0 Installation 3 3 0 Operation 5 4 0 Error Reference source not found Error Bookmark not defined 5 0 Repairs Replacements 9 6 0 Fault Analysis 12 7 0 Circuit Details 13 8 0 Fuses Powe...

Page 2: ...te that power is being supplied to the elements DANGER of electrical shock read any warning printed by this symbol DANGER hot surface Read any warning printed by this symbol WARNING all surfaces of a furnace may be hot DANGER read any warning printed by this symbol Heat Switch the switch disconnects power to the heating elements unless this switch is off there is a danger of electric shock when in...

Page 3: ...small clip or plate at one end to prevent a wound tube element or a work tube from slipping downwards Mount the furnace so that this clip is at the bottom In models with one thermocouple the thermocouple should be near the top rather than the bottom If the furnace is supplied with a separate work tube or any accessories fit these into position For optimum temperature uniformity insulating plugs sh...

Page 4: ...eferred but not essential Furnace with supply cable either wire directly to an isolator or fit with a line plug Furnace without supply cable a permanent connection to a fused and isolated supply should be made to the internal terminals after temporary removal of the furnace back panel Connection by line plug the plug should be within reach of the operator and should be quickly removable Connection...

Page 5: ...e to display the setpoint press again or hold down to adjust it The display returns to the measured temperature offset when no key is pressed for 0 5 seconds Sometimes a furnace using this type of control does not cool down the end controllers try to remain at the central temperature Should this occur contact Carbolite s technical department 2132 Slave Controller Navigation Diagram B Retransmissio...

Page 6: ...tarts to heat up The Heat light s glow steadily at first and then flash as the furnace approaches the desired temperature or a program setpoint Overtemperature option only If the overtemperature trip operates then an indicator in the over temperature controller flashes and the heating elements are isolated Find and correct the cause before resetting the overtemperature controller according the ins...

Page 7: ...ies to all three controllers Some models covered by this manual are are fitted with 208V elements and are designed for use over the range of voltages 200V 250 the power limit parameter is set accordingly These models may be relocated to a different voltage within the range the power limit should be reset to match the voltage See section 8 2 To check whether the furnace is a 208V model look at the ...

Page 8: ...Engineering Services has a team of Service Engineers capable of repair calibration and preventive maintenance of furnace and oven products at our customers premises throughout the world We also sell spares by mail order A telephone call or fax often enables a fault to be diagnosed and the necessary spare part despatched Each furnace has its own record card at Carbolite In all correspondence please...

Page 9: ... European Association representing the High Temperature Insulation Wool industry www ecfia eu We can provide further information on request Alternatively our service division can quote for any repairs to be carried out at your premises or ours 5 3 Temperature Controller Replacement 201 This controller is fitted to the back of the control panel in many models this can be separated from the base by ...

Page 10: ...ace model its orientation horizontal or vertical and other options and fittings The general procedure is Disconnect the furnace from the electrical supply Remove all outer guards meshes and terminal covers from the furnace body For a horizontally mounted furnace remove the furnace body from its base to reach the bolts or screws which fix the body to the base remove the back panel from the base Dis...

Page 11: ...t in the control system If you have any problems with this procedure please contact our service division 5 7 Fuse Replacement Fuses are marked on the circuit diagram section 7 1 with type codes e g F1 F2 A list of the correct fuses is given in section 8 1 Depending on model and voltage the different fuse types may or may not be fitted If any fuse has failed it is advisable for an electrician to ch...

Page 12: ...r faulty controller There are no lights glowing on the controller Check the supply fuses and any fuses in the furnace control compartment The controller may be faulty or not receiving a supply due to a faulty switch or a wiring fault B Furnace Overheats 1 The HEAT light goes OFF with the instrument switch The controller shows a very high temperature The controller is faulty The controller shows a ...

Page 13: ... for 3 phase If type F1 fuse is present one per phase if fitted If type F2 fuse is present one is fitted if type F3 fuse is present one per phase is fitted Note that on 2 or 3 phase models there may be three separate neutrals taken to a common supply terminal depending on EMC filter requirements 7 3 Higher Voltages For 254V or above or 440V 3 phase an isolating transformer is fitted in the control...

Page 14: ...p F2 Auxiliary circuit fuses Fitted on board to some types of EMC filter May be omitted up to 25Amp phase supply rating 2 Amps glass type F On board 20mm x 5mm Other 32mm x 6mm F3 Heat Light fuses May be omitted up to 25 Amp phase supply rating 2 Amps glass type F 32mm x 6mm Customer fuses Required if no supply cable fitted Recommended if cable fitted See rating label for amperage see table below ...

Page 15: ...89 82 75 Custom Models TZF 12 25 550 TZF 12 38 550 TZF 12 75 550 TZF 12 75 900 100 100 89 82 75 Standard Model TZF 12 100 900 from April 2000 100 100 89 82 75 89 82 75 Other possible exceptions Further custom furnaces based on the standard models may be designed with power limits other than 100 Furnaces supplied for use on 254 Volt typically have a power setting of 89 of the limit for the correspo...

Page 16: ...Covered by this Manual MODEL Max Temp Max Power Work Tube Bore Work Tube Length Heated Length Uniform Zone Length1 Net Weight2 C kW mm mm mm mm kg Tube furnaces with a ceramic work tube wound with resistance wire TZF 12 38 400 1200 C 1 5 38 450 400 305 15 TZF 12 65 550 1200 C 2 0 65 600 550 392 25 TZF 12 75 700 1200 C 3 0 75 750 700 510 28 TZF 12 100 900 1200 C 4 5 100 950 900 745 35 also models b...

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