Carbolite BLF 17/3 Скачать руководство пользователя | Manualshive

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BLF

S

YMBOLS

& W

ARNINGS

1.1 Switches and Lights

Supply Light: when the furnace is connected to the electrical supply the
light in the adjacent switch 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.

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.

2.0

MF23

3

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Содержание BLF 17/3

Страница 1: ...ual is for the guidance of operators of the above products and should be read before the furnace is connected to the electricity supply 7 4 CONTENTS Section page 1 0 Symbols Warnings 2 2 0 Installation 4 3 0 Operation 6 4 0 Maintenance 9 5 0 Repairs Replacements 9 6 0 Fault Analysis 11 7 0 Circuit Diagrams 13 MF23 ...

Страница 2: ...ange of the ancillary equipment a transformer is included in the control circuit as shown Power Control 15 Manuals for the furnace controller and overtemperature controller are supplied separately 9 0 Specifications 17 Please read the controller manuals before operating the furnace 1 0 2 MF23 ...

Страница 3: ... 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 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 2 0 MF23 3 ...

Страница 4: ...d from the electrical supply see below 2 3 Fitting the Heating Elements Wear eye protection when handling the heating elements See the warning in section 5 6 The Molybdenum Disilicide elements are EXCEPTIONALLY FRAGILE and are packed separately together with other items as shown in the list separately packed items Most models BLF 17 8 Elements 6 9 Element clamps 6 18 Element clips 12 18 Braids 1 s...

Страница 5: ... internal supply rated fuses and a permanent connection should be made from a fused and isolated supply to the internal terminals after temporary removal of the furnace back panel The supply point must be within reach of the furnace operator and must incorporate either an isolating switch which operates on both conductors single phase or on all live conductors two three phase or a quickly removabl...

Страница 6: ... resetting the overtemperature controller according to the instructions supplied To switch the furnace off set the Instrument switch to off The case cooling fans remain on and the chamber can be unloaded Leave the fans on until the furnace cools to below 300 C If the furnace is to be left off isolate it from the electrical supply 3 2 General Operating Advice Heating element life is shortened by us...

Страница 7: ...element circuit when the hearth is opened This prevents the user touching a live heating element but also prevents the furnace from heating up if the hearth is left open Avoid burns Carbolite can supply tongs face masks and heat resistant gloves Before you remove a hot object from the furnace make sure you have a safe place to put it down When the hearth is lowered with the furnace hot there is co...

Страница 8: ...te tongs are available before starting Clamp Option This option assists the placing of the crucible over tall workpieces The clamp is provided in the form of a support shelf which can be fitted to a hinge on the case and a pair of insulated tongs With the hearth lowered place the support shelf on the hinge and swing to the side Use the tongs to lift the crucible up into the chamber swing the shelf...

Страница 9: ...klet 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 spares or a kit of the items most likely to be required Ordering a kit in advance can save time in the event of a breakdown Each kit comprises one thermocouple one sheath one power thyristor one door insulation piece a s...

Страница 10: ... 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 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 2216 2416 2408 etc Ease apart the ...

Страница 11: ... care as it is fragile Remove the clamps Handle the new heating elements with extreme care as they are very fragile Also avoid touching the heating surface the thin part of the element Carefully unpack the elements and slide over them the insulation blocks Fix the clamps so that the length of element leg above them is 30mm most models or 45mm BLF 17 8 Insert the new element refer to the element co...

Страница 12: ...ler may be faulty or not receiving a supply due to a faulty switch or a wiring fault Æ The SUPPLY light is OFF Æ Check the supply fuses and any fuses in the furnace control compartment B Furnace Overheats 1 The HEAT light goes OFF with the instrument switch Æ The controller shows a very high temperature Æ The controller is faulty Æ The controller shows a low temperature Æ The thermocouple may have...

Страница 13: ...BLF CIRCUIT DIAGRAMS 7 1 Single Phase GR Y Green Yellow R Red TC temperature programmer BU Blue OTC overtemperature controller P Pink G Grey MF23 13 ...

Страница 14: ...BLF 7 2 Three Phase with Neutral 7 3 Three Phase without neutral Delta 14 MF23 ...

Страница 15: ...ply light Instrument Switch Filter if fitted 7 4 Lower Higher Voltages e g 208V 254V Where the supply voltage is outside the operating range of the ancillary equipment a transformer is included in the control circuit as shown 8 0 MF23 15 ...

Страница 16: ...se rating for the various models 8 2 Power Control The setting for the power limit parameter in the controller 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 fuse rating type thyristor fuse rating current limit element circuit BLF 17 3 1 phase 220 240V 30 3...

Страница 17: ...l 41 41 541 5877 Fax 41 41 541 5878 Email General Information Sales info kesn ch Accounts Department accounts kesn ch USA Oﬃce 233 Rogue River Highway 425 Grants Pass Oregon 97527 5429 USA Tel 1 503 206 0941 Fax 1 541 610 1646 Email General Information Sales info keison com Accounts Department accounts keison com Latin America Oﬃce World Trade Centre Apartado 0832 00708 Ciudad de Panamá República ...

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