Buchi K-437 Operation Manual Download Page 5 | Manualshive

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Buchi K-437 Operation Manual Download Page 5

1 About this manual

5

K-437

Operation Manual, Version A

1

About this manual

This manual describes the Digest System and provides all information required for its safe operation
and to maintain it in good working order.
It is addressed to laboratory personnel in particular.

NOTE

The symbols pertaining to safety (WARNINGS and ATTENTIONS) are explained in chapter 2.

Reference documents

For information on the Digestion Unit and the Scrubber, please refer to the corresponding manuals
available in English, German, French, Italian and Spanish

Digest Automat K-432/438, Operation Manual numbers 96765 - 96769

•

SpeedDigester K-425/K-436, Operation Manual numbers 11593346 - 11593350

•

SpeedDigester K-439, Operation Manual numbers 11593351 - 11593355

•

Scrubber

•

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Summary of Contents for K-437

Page 1: ...Digest System K 437 Operation Manual 11593500 en...

Page 2: ......

Page 3: ...System 15 4 4 Rear connections of the Digest System 15 5 Putting into operation 16 5 1 Installation site 16 5 2 Electrical connections 16 5 3 Hose connections 17 Read this manual carefully before ins...

Page 4: ...n tubes 24 7 4 Sealing system 24 7 4 1 Cleaning the seals 24 7 4 2 Replacing the seals 24 7 5 Exhaust unit 24 7 6 Power supply fuse 25 7 7 Customer service 25 8 Troubleshooting 26 8 1 Malfunctions and...

Page 5: ...lar NOTE The symbols pertaining to safety WARNINGS and ATTENTIONS are explained in chapter 2 Reference documents For information on the Digestion Unit and the Scrubber please refer to the correspondin...

Page 6: ...ho are currently being trained require careful instruction The present Operation Manual serves as the basis for this 2 2 Proper use K 437 The instrument has been designed and built for laboratories It...

Page 7: ...ed and built in accordance with state of the art technology Neverthe less risks to users property and the environment can arise when the instrument is used carelessly or improperly The manufacturer ha...

Page 8: ...e Always be aware of the explosion risk when working with hazardous substances or with substances of unknown composition Always provide a good ventilation within or in the vicinity of the system 2 6 3...

Page 9: ...proper condition only and that maintenance service and repair jobs are performed with care and on schedule and by autho rized personnel only Spare parts to be used Use only genuine consumables and ge...

Page 10: ...ta requirements and performance data 3 1 Scope of delivery Check the scope of delivery according to the order number NOTE For detailed information on the listed products see www buchi com or contact y...

Page 11: ...Acces sories 43963 3 1 3 Standard accessories K 437 Table 3 3 Standard accessories K 437 Product Order number 1 suction module complete 38561 1 rack 20 spaces 38621 20 digestion tubes 5 x set of 4 tub...

Page 12: ...r COD 43955 3 1 5 Optional accessories K 437 Table 3 5 Optional accessories K 437 Product Order number Water jet pump made of plastic 02913 PTFE seal for suction tube set of 20 sealings 38623 Retainin...

Page 13: ...COD Accessory COD Accessory Thermal stability of heating block 2 C at temperatures 200 C Heating up period Up to around 150 C within 10 minutes 3 3 Materials used Table 3 8 Materials used for the K 4...

Page 14: ...rument shows how it is structured and gives a functional description of the assemblies 4 1 Functional principle of the Digest System The Digest System K 437 is suitable for digestion processes with co...

Page 15: ...Application parameters are listed in official methods or in the BUCHI Application Note COD determination Fig 4 2 Overview of the COD Accessory 4 3 Controls of the Digest System 2 4 3 1 6 5 a Indicato...

Page 16: ...with a Scrubber place it on the left side of the K 437 The Scrubber ventilation is located on the left side In case the Digest System is placed on the left side cool air will hit the dige stion sampl...

Page 17: ...e hose connections are as short as possible WARNING Danger of toxication When working with a water jet pump poisonous and caustic gases can escape into the environment Make sure that the suction outpu...

Page 18: ...hat the seals on the suction pipes be properly installed and fit the glass evenly To vaporize larger amounts of water 10 ml it is advisable to use digestion rods as this will prevent boiling delays If...

Page 19: ...press the START button The connected Scrubber will start automatically Start up the Scrubber or water jet pump before gases can develop After the digestion process is finished put the sample rack int...

Page 20: ...anually Editing the digestion parameters during the digestion process 420 120 READY 422 115 The inputs can be changed by pressing the TEMP or TIME buttons Press ENTER to con firm the changes 420 120 R...

Page 21: ...nue to operate After the cooling procedure is finished the Scrubber can be switched off by pressing the STOP button Removing the sample rack Swivel back the suction module and remove the sample rack w...

Page 22: ...aximum tempera ture ex works is limited to 420 C If a lower or higher digestion temperature is required it can be changed here within a range of between 100 C minimum and 450 C maximum ATTENTION Diges...

Page 23: ...ive eye goggles protective clothing and gloves when maintaining the instrument Check the instrument for proper operation after any repair work 7 1 Housing Check the housing for defects switches plugs...

Page 24: ...emove the retaining plate after washing The digestion tubes are now clean and ready for the next analysis 7 4 Sealing system ATTENTION When removing and reinstalling the seals and gaskets make sure no...

Page 25: ...rvice personnel are allowed to perform repair work on the instrument These persons have a comprehensive technical training and knowledge of possible dangers which might arise from the instrument Addre...

Page 26: ...er who has access to the official service manuals In this case please refer to your local BUCHI customer service agent 8 1 Malfunctions and their remedy Table 8 1 General malfunctions and their remedy...

Page 27: ...l dangerous substances from the instrument and clean it thoroughly Store and transport the instrument in its original packaging WARNING The K 437 weighs 35 kg For this reason manual handling of the in...

Page 28: ...prior written permission of the manufacturer 1 5 3 4 2 6 7 Fig 10 1 Spare parts K 437 Table 10 1 Spare parts K 437 and general Position Product Order number a Rack 20 spaces complete 38621 b Sample tu...

Page 29: ...10 Spare parts 29 K 437 Operation Manual Version A Table 10 1 Spare parts K 437 and general cont Position Product Order number ECO 11057983 Antifoam 11057984 Copper Micro 11057985...

Page 30: ...ause harmful interference in which case the user will be required to correct the interference at his own expense Fran ais Cet appareil a t test et s est av r conforme aux limites pr vues pour les appa...

Page 31: ...11 Declarations and requirements 31 K 437 Operation Manual Version A 11 2 Declaration of conformity...

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Page 34: ...B CHI Labortechnik AG CH 9230 Flawil 1 Switzerland T 41 71 394 63 63 F 41 71 394 65 65 www buchi com Quality in your hands...

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