Carbolite ELF 11/14B Installation, Operation & Maintenance Instructions Manual Download

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Installation, Operation &

Maintenance Instructions

1100°C Chamber Furnaces

ELF models

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.

ONTENTS

Section

page

Repairs & Replacements

This manual should supply all the information required for safe and trouble-

free furnace operation. Information on controller operation is included.

1.0

MF01 – 3.20

Summary of Contents for ELF 11/14B

Page 1: ...ty supply CONTENTS Section page 1 0 Introduction 1 2 0 Installation 2 3 0 Operation 5 4 0 Controller Operation 7 5 0 Overtemperature Control Option 13 6 0 Maintenance 14 7 0 Repairs Replacements 14 8...

Page 2: ...ns The B versions may be set to operate on any single phase voltage in the range 200 240V or 100 120V to order by correct setting of the power limit parameter in the controller Because of model change...

Page 3: ...pply 2 3 Chimney The chimney is a short length of ceramic tubing If it is supplied unfitted then fit it through the hole in the top of the furnace case If the furnace is to be used to heat substances...

Page 4: ...the supply cable directly to an isolator or fit it with a line plug The plug or isolator should be within easy reach of the operator to permit quick disconnection of the power For operator safety the...

Page 5: ...controller setpoint to a temperature close to the desired maximum Materials such as case hardening compounds and other reactive salts may attack the wire elements causing premature failure The insula...

Page 6: ...ELF B 4 0 6 MF01...

Page 7: ...oint ramp rate is Off A single press of the scroll key 4 displays the temperature units further presses reveal the parameters in the current list indicated in the Navigation Diagram To return to the H...

Page 8: ...ate the possible difference between running without and with a ramp to setpoint value depending on the load and the value used 4 6 Navigation Diagram OP Hi SPrr m A w SP Home List Input List Output Li...

Page 9: ...he timer starts timing immediately At the end of the timing period control switches off i e goes into Manual to allow cooling and End flashes on the display On during the timing period Off from the en...

Page 10: ...r changes to run Note that the tmr display shows 0 zero during the last minute of timing and also shows 0 when the time has expired The timer light indicates whether timing is still in progress Method...

Page 11: ...rs or other system errors User calibration allows compensation for such errors and the 2132 allows for a user 2 point calibration This setting is password protected to avoid accidental alteration Page...

Page 12: ...once to display the value of OP Hi it is good practice to write down the original value To alter the parameter to the desired value use Down T or Up S Caution Do not increase the power limit value to...

Page 13: ...ons the letters are described as m and w With the key pressed the overtemperature setpoint is normally displayed To alter the value use Down and Up To view the measured temperature press Scroll until...

Page 14: ...on Thermal 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...

Page 15: ...nt Wash work clothing separately Before commencing any major repairs we recommend reference to the European Ceramic Fibre Industry Association Bulletin No 11 and the UK Health and Safety Executive Gui...

Page 16: ...a socket spanner undo the four bolts that fasten the insulation box These are located under the insulation box in the two cross supports Remove the insulation box by carefully sliding it out through...

Page 17: ...rder DOOR DOOR PLUG CARRIER DOOR PLUG 7 8 Air Inlet Adjustment The air inlet is on the inner door panel door plug carrier and is supplied in the closed position It can be altered to the open position...

Page 18: ...visable for an electrician to 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 The fuse...

Page 19: ...hts glowing on the controller The SUPPLY light is ON The controller may be faulty or not receiving a supply due to a faulty switch or a wiring fault The SUPPLY light is OFF Check the supply fuses and...

Page 20: ...n t thermocouple EMC filters circuit boards 9 3 Fuses F1 F3 Refer to the circuit diagram F1 Internal supply fuses 32mm x 6mm type F fitted on EMC filter circuit board s F2 Auxiliary circuit fuses 20mm...

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Carbolite ELF 11/14B, Installation, Operation & Maintenance Instructions Manual

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