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Installation, Operation &

Maintenance Instructions

1700-1800°C Chamber Furnaces

types RHF, HTF & HTC

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

1.0

Symbols & Warnings

2.0 Installation

3.0 Operation

4.0 Maintenance

5.0

Repairs & Replacements

6.0 Fault

Analysis

7.0 Circuit

Diagram

8.0

Fuses & Power Control

9.0 Specifications

Manuals for the furnace controller and overtemperature controller are

supplied separately.

Please read the controller manuals before operating the furnace.

1.0

MF22

Содержание HTF 18/15

Страница 1: ...nnected to the electricity supply CONTENTS Section page 1 0 Symbols Warnings 2 2 0 Installation 3 3 0 Operation 5 4 0 Maintenance 8 5 0 Repairs Replacements 8 6 0 Fault Analysis 12 7 0 Circuit Diagram...

Страница 2: ...glows Heat Light the adjacent light glows or flashes to indicate that power is being supplied to the elements 1 2 Warning Symbols DANGER of electrical shock read any warning printed by this symbol DA...

Страница 3: ...there is free space around the furnace Do not obstruct any of the vents in the case there are cooling fans in the case which must not be obstructed Ensure that the furnace is placed in such a way that...

Страница 4: ...nual In some models supply cables are fitted as are internal supply rated fuses The cable may be directly wired to an isolator or fitted with a line plug The supply point must be within reach of the f...

Страница 5: ...d Find and correct the cause before resetting the overtemperature controller according to the instructions supplied To switch the furnace off set the Instrument switch to off The case cooling fans rem...

Страница 6: ...hearth can be protected from abrasion if required by the provision of a secondary plate This consumable item can either be in light weight ceramic fibre or in dense hard wearing alumina refractory 3...

Страница 7: ...by a calibration test or by comparing the output with a new reference thermocouple which has been subjected to high temperatures for a minimum length of time Failure to check the thermocouple may res...

Страница 8: ...ont of this booklet when supplied with a furnace To contact Thermal Engineering Services or Carbolite see the back page of this manual 4 4 Recommended Spares Kits Carbolite can supply individual spare...

Страница 9: ...rately 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 Guidance Note EH46 We can pro...

Страница 10: ...ponents and the support system appropriate to your furnace There are also variations in the positions of the braids which connect the elements the rule is that for single phase all elements are in ser...

Страница 11: ...ler clips do no require clip tool Element Data distance from top of element clamp to top of element RHF 17 3 RHF 17 10 32mm RHF 17 25 HTF 18 3 47mm HTC 18 8 45mm HTF 18 15 40mm HTF 18 27 40mm Element...

Страница 12: ...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 any fuses in the furnace control compartment B Furnace O...

Страница 13: ...ansformer may be fitted 2 Door actuator circuits may differ from the example shown 7 2 Three Phase Models Each set pair of elements has its own transformer controlled by a thyristor complete with thyr...

Страница 14: ...1700 1800 Chamber 14 MF22...

Страница 15: ...troller OP Hi should be 100 for all models The thyristor stacks are set to the secondary element maximum currents given in the table TABLE OF FUSE AND CURRENT LIMIT VALUES Model Phases volts supply fu...

Страница 16: ...g the details below UK Office Keison Products P O Box 2124 Chelmsford Essex CM1 3UP England Tel 44 0 330 088 0560 Fax 44 0 1245 808399 Email sales keison co uk Please note Product designs and specific...

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Carbolite HTF 18/15, Инструкция по установке, эксплуатации и обслуживанию

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