background image

 

Valid: 

07

.200

7

 / 500

43136

 

C

  

 

FT 6060

 

 

 

Operating Instructions

 

 
 
 
 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

GB

 

Fresh-air laboratory heating and drying oven

with explosion-protected chamber

O

I

G A S

T 3   T 4

°C

°C

Ex

Summary of Contents for FT 6060

Page 1: ...Valid 07 2007 50043136 C FT 6060 Operating Instructions GB Fresh air laboratory heating and drying oven with explosion protected chamber O I GAS T 3 T 4 C C Ex ...

Page 2: ...1a Thermo Electron LED GmbH 63505 Langenselbold Germany If translated versions of this manual are used the German version is the authoritative basis Subject to technical modifications 50043136 ...

Page 3: ...ensure the safety of personnel the environment and the processed items and material The correct setup and installation of the unit together with the correct realization and operation of the on site ventilation system are crucial to the explosion protection and increased safety of the system Read the instruction manual carefully before using the equipment and comply with the instructions that it co...

Page 4: ...as contracted with one or more recycling disposal companies in each EU Member State and this product should be disposed of or recycled through them Further information on Thermo Electron s compliance with these Directives the recyclers in your country and information on Thermo Electron products wich may assist the detection of substances subject to the RoHS Directive are available at www thermo co...

Page 5: ... 10 On site ventilation system General information 10 Connecting to a fresh air system 11 Connecting to an air extraction system 11 14 3 UNIT SPECIFICATION 15 19 Process design explosion protection in the inner chamber and safety devices 15 Safety devices explosion protection 15 Control panel 17 4 OPERATION 19 20 Starting up 19 Loading arrangement 19 Shutdown 20 5 MAINTENANCE 21 22 Servicing 21 Cl...

Page 6: ... symbol draws attention to the relevant section of the instruction manual Marks sections of this instruction manual which are crucial to explosion protection and increased safety Caution hot surfaces Risk of burning Marks information about optimum utilization of the unit Information about proper disposal recycling 1 GENERAL SAFETY INSTRUCTIONS 4 25 50 043 136 ...

Page 7: ...tion about optional items of equipment which are available but not necessary included in the selected model Operating instructions The operator must provide anybody working on or with this equipment with written instructions for any operations to be performed Such instructions must be easy to understand and must be Log book We recommend that a log book is kept This log book should record any tests...

Page 8: ...an adequate free cross section of flow for the current of air passing through the chamber This prevents any local concentration and ensures an even heat rise and penetration of the loaded articles All items must be placed in open containers before being loaded into the chamber Refer to the chapter on OPERATION for an example of loading The unit has been designed for installation and operation in t...

Page 9: ... this manual the respective national regulations must also be The applicable national environmental regulations must be observed for the extraction of exhaust gases that are produced during heat treatment Suitable measures must be implemented to ensure that such gases are safely led outside without endangering individuals Check the mains lead and connector for damage before plugging into the socke...

Page 10: ... humidity should be within the normal range of 60 to 70 relative humidity Condensation should be avoided if possible If condensation has formed on the unit following a change of location or during transportation for example wait until the unit has dried out completely before putting into operation The ambient air should not contain excessive amounts of dust comply with the instructions in the chap...

Page 11: ...heating oven is supplied with a permanently connected flexible mains power lead with connector grounded Examine the power lead and connector for damage before using the unit and at regular intervals If there are any signs of damage do not connect to the mains supply The voltage quoted on the rating plate rated voltage must agree with the nominal mains voltage The heating oven may only be connected...

Page 12: ...essure reducer Connect up to the unit before starting with the power switch set to O set the release switch to open the gas supply and allow the gas to flow set the pressure reducer to 1 bar input pressure Close the release switch It may not be necessary possible to change the setting of the pressure reducer Only inert gases or compressed air may be used Do not connect up to burnable gases On site...

Page 13: ...st gases released during the heat treatment Suitable measures must be implemented to ensure that such gases are safely led directly outside without Thermal or catalytic treatment of flue gases may prove to be suitable measures in this respect All flue ducts must be made of fireproof materials and must be sealed A draft breaker must be used to connect the unit to the extraction system as the planne...

Page 14: ...Connecting to an extraction system Figure 3 2 Diagram showing an example of an installation and the definition of zones 2 SETUP AND INSTALLATION 12 25 50 043 136 ...

Page 15: ...se Mains heating cabinet Fault alarm Flow monitor Connection for higher pressure Diaphragm Pressure Flue pipe ring tube Flue current Figure 5 2 Examples of draft breakers Ø Funnel type manufactured Made from reducing adapters Ambient air Extraction connectors on the unit Ø 100 mm Ø 160 mm Flue pipe Draft breaker Ø 100 mm approx 10 20 mm 200 100 mm 2 SETUP AND INSTALLATION 50 043 136 13 25 ...

Page 16: ...e FT 6060 amounts to around VolUnit 35 m3 h The diameter of the unit s exhaust air connector is 100 mm The resulting air speed vGas of the expected flue gases is therefore given by v Gas VolUnit A Pipe 35 m3 3600 s 0 1 m 2 x π 4 1 24 m s The air speed prevailing in the draft breaker to be installed must be slightly greater than the exhaust air speed at the unit s connector piece assumption v Gas1 ...

Page 17: ...r has provided to prevent overheating of the treated articles material protection As we can assume that dangerous potentially explosive mixtures may be produced occasionally during the heat treatment process supplementary explosion protection measures have been implemented in the inner chamber of the unit also refer to the chapter on safety devices Safety devices Explosion protection The unit desi...

Page 18: ... heating system between the fresh air intakes and the entry to the inner chamber The unit s ventilation system is monitored constantly by flow monitors The heating is deactivated immediately if there is a fault in the ventilation system The above mentioned rinsing procedure takes place every time the door to the unit is closed e g after loading and the function of the ventilation monitoring system...

Page 19: ... temperature in the inner chamber is 70 C the red pilot lamp also indicates that the required parameters have not yet been fulfilled Wait until this lamp goes out before loading the unit The lamp goes out automatically when the rinsing operation has been completed or the fault has been eliminated Do not use the unit if this light stays on The unit may not be used until the cause of the problem has...

Page 20: ...elected operating temperature e g approx 10 C can prevent damage to the items in the unit This material protection device stops the temperature rising above its set value if there is a fault in the temperature control circuit The Fault pilot lamp lights up when this protective function responds Ensure that this device works properly by conducting a functional check at regular intervals To do this ...

Page 21: ...ent T 1 T 2 and T 3 Switch setting T 3 Solvent T 4 Switch setting T 4 Turn the unit on Power switch I Green pilot lamp indicates that the unit is ready for use Enable air fail safety device Open air fail safety switch position Compressed air inert gas ready in case of emergency Select operating temperature Temperature controller T 3 max 105 C T 4 max 70 C Set material protection device Set materia...

Page 22: ...reatment has terminated Remove the articles material Close the air fail safety device lever to position Turn the power switch off position O Close off the gas supply Turn the extraction system off 4 OPERATION 20 25 50 043 136 ...

Page 23: ...ck that the door closes properly Repeat this procedure if necessary Replacing the door seal The door seal can be replaced easily if it has become damaged or is showing signs of ageing Pull the old door seal out of its carrier Fit a new door seal Check that the door closes properly adjusting the door bearing if necessary The seal does not usually require any special care but it may be advisable to ...

Page 24: ...ment of the unit may only be performed by Thermo service personnel Only approved genuine spare parts may be used Approved spare parts and accessories The safety and serviceability of the unit can only be guaranteed if the following approved genuine spare parts are used The use of other parts may result in unforeseen problems and should be avoided under all circumstances Spare part accessory FT6060...

Page 25: ...protected design Circuit protection Only use properly installed socket outlets with PE conductor to connect the unit to the mains supply Comply with the applicable national electrical engineering regulations and technical requirements T 16 A fusible link or B 16 circuit breaker Connection via an earth leakage circuit breaker tripping current 30 mA Thermal FT6060 Unit Operating temperatures up to 1...

Page 26: ... Heating element Stainless stell tubing filled with magnesium oxide and heating conductors Electrical components Various plastic encapsulated components some mounted on glass fibre reinforced PCBs with epoxy resin 2 Fibrous materials used for insulation are classified as health hazards in some countries Although the fibers released into the environment during normal operation do not constitute a s...

Page 27: ...LOG BOOK Refer to the rating plate on the unit for the model and serial number Model Serial No Work performed Operator s remarks Date 25 25 ...

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