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KjelDigester K-446 / K-449

Operation Manual

11593546B en

Содержание KjelDigester K-446

Страница 1: ...KjelDigester K 446 K 449 Operation Manual 11593546B en...

Страница 2: ...the right to make changes to the manual as deemed necessary in the light of experience espe cially in respect to structure illustrations and technical detail This manual is copyright Information from...

Страница 3: ...n 11 2 3 2 Symbols 12 2 4 General safety rules 13 2 4 1 Responsibility of the operator 13 2 4 2 Duty of maintenance and care 13 2 4 3 Spare parts to be used 13 2 4 4 Modifications 13 2 5 Product safet...

Страница 4: ...4 5 Electrical connection 29 5 5 Settings 29 5 5 1 Accessing the settings menu 29 5 5 2 Adjust the contrast 30 5 5 3 Adjust the maximum temperature 30 5 5 4 Adjust the temperature offset 31 5 5 5 Set...

Страница 5: ...aning 48 7 2 2 Scrubber hose cleaning 49 7 2 3 Suction module sealing and spring cleaning 49 7 2 4 Sample tube cleaning 49 7 3 Suction module sealing and spring replacement 50 7 4 Fuse power supply re...

Страница 6: ...eration Manual 10 Spare parts 63 10 1 General information 63 10 2 Spare parts KjelDigester K 446 K 449 64 10 3 Optional accessories 67 10 3 1Kjeldahl Tablets 68 11 Appendix 69 11 1 FCC requirements fo...

Страница 7: ...ing the use of the product 3 Technical data Introduces the reader to the device specifications It contains technical data requirements and performance data 4 Description of function Explains the basic...

Страница 8: ...s are not related to any kind of hazard or damage 1 1 3 Available languages This operation manual is available in the following languages Language Order number English 11593546 German 11593547 French...

Страница 9: ...l modifications may be made to the device without the prior written agreement of BUCHI Unauthorized modifications may affect the system safety or result in accidents 1 2 2 Type plate Type plate is loc...

Страница 10: ...449 with standard suction module K 449 suction module with condensate trap 1 1154461000 1154462000 1154491000 1154492000 Drip tray holder 1 11059804 Drip tray 1 11059031 Sample tube 300 mL 4 pcs 5 037...

Страница 11: ...components 2 3 Safety warnings 2 3 1 Warning explanation DANGER WARNING CAUTION and NOTICE are standardized signal words for identifying levels of hazard seriousness of risks related to personal inju...

Страница 12: ...o avoid danger 2 3 2 Symbols The reference list incorporates safety symbols and their meaning The symbols can occur in this operation manual or on the device Warning safety symbols Symbol Meaning Symb...

Страница 13: ...to the device or its accessories must be strictly followed 2 4 2 Duty of maintenance and care The operator is responsible for the proper condition of the device This includes maintenance service and r...

Страница 14: ...The user shall observe all listed counter measures in order to achieve and maintain the lowest possible level of hazard Additional warning messages can be found whenever actions and situations descri...

Страница 15: ...ts or surfaces 2 Let the system and inserted glassware cool down safely 3 Do not move the device or parts of it when hot NOTICE Risk of spilled liquids or mechanical shocks Liquids leaking into the ho...

Страница 16: ...The personal protective equipment must meet all requirements of all MSDS for the chemicals used 2 5 4 Built in safety elements and measures Glassware All original BUCHI glass parts are made of high te...

Страница 17: ...al data 3 1 Device dimensions 3 1 1 K 446 3 1 2 K 449 3 2 General technical data Description K 446 K 449 Weight total 30 kg 37 3 kg Weight w o accessory 18 5 kg 25 8 kg Approval UL CSA CE UL CSA CE Po...

Страница 18: ...420 C 3 2 1 Electrical system Description K 446 K 449 Input voltage 220 240 V 10 220 240 V 10 Frequency 50 60 Hz 50 60 Hz Power consumption max 2300 W 2300 W Output current Scrubber 0 7 A 0 7 A Fuse 2...

Страница 19: ...d boiling H2 SO4 and a cata lyst The digestion parameters are listed in the BUCHI Application Notes 4 2 KjelDigester overview 4 2 1 Front and side view Fig 4 1 KjelDigester front and side view a Fume...

Страница 20: ...Fig 4 2 KjelDigester rear view a Eye bolt c Interface Scrubber b Power supply KjelDigester 4 2 3 Top side view Fig 4 3 Heating block components a Magnet e Main switch b Scrubber hose bracket f Measuri...

Страница 21: ...antly boiling H2 SO4 Hot acid fumes rise into the condensation zone b condense and rinse back down to the sample creating a constant reflux Residual fumes which escape the condensation zone via the ac...

Страница 22: ...actual temperatures heating and cooling time LED heating block on off On The heating block is heating Off The heating block is turned off and the temperature is below 60 C LED heating block flashing...

Страница 23: ...djusted NOTE The first step is also used as the preheat function Method number 0 is reserved for the manual mode on the K 449 No steps can be programed Step K 449 only Allows to navigate forward withi...

Страница 24: ...ples are not heated In the heating position the sample are lowered into the heating block for digestion For the KjelDigester K 446 the rack is moved between the two positions by hand for the K 449 via...

Страница 25: ...tion 3 Do not use any damaged parts 4 Do not touch cracks or bits of broken glass with bare hands 2 Check the device for any damage caused during the transportation 3 Report damage to the responsible...

Страница 26: ...Transport lock removal 1 Remove the 2 screws a and spacers b from the heating block 2 Keep the removed parts for future transportation 5 4 Device assembly 5 4 1 Drip tray installation 1 Install the d...

Страница 27: ...suction module on both handles a and place it on the rack support c Make sure both hinge bolts b are located in the notches of the rack support NOTE The magnets d on the rack support will hold the su...

Страница 28: ...r can damage electronic components 1 Do only connect a Scrubber with 230 V input to the KjelDigester Output volt age of the KjelDigester is 240 V only 1 Connect the Scrubber connection cable on the re...

Страница 29: ...rnal power supply must meet the voltage given on the type plate 1 Connect the external power supply cable to the device on the rear side Make sure the device complies with the local voltage range befo...

Страница 30: ...Press c ENTER to confirm the new value 5 5 3 Adjust the maximum temperature aPreliminary tasks 1 5 5 1 Accessing the settings menu 5 29 bTasks 1 Press a STOP until the maximum temperature menu appear...

Страница 31: ...a additional temperature sensor 3 Press c ENTER to confirm the new value 5 5 5 Set the clock K 449 only aPreliminary tasks 1 5 5 1 Accessing the settings menu 5 29 bTasks 1 Press a STOP until the cloc...

Страница 32: ...ears 2 Adjust the interval time for switching on the Scrubber by pressing b Range 0 255 minutes 3 Press c ENTER to confirm the new value 4 Adjust the interval time for switching off the Scrubber by pr...

Страница 33: ...condensate bottle is placed lower than the suction module 3 Operate and maintain the Scrubber according to its operation manual 4 Make sure the hoses are not damaged 1 Connect the hose c with the hose...

Страница 34: ...ply hose installation 1 Remove the 2 TORX screws b 2 Position the air supply hose a on the housing of KjelDigester and tighten the 2 TORX screws 040079 Air supply hose 3 Guide the hose inlet to the ou...

Страница 35: ...s and sharp metal parts Minor or moderate cuts can result 1 Handle glass parts with care 2 Visually inspect every glass part before mounting 3 Wear protective gloves when touching cracks or bits of br...

Страница 36: ...periments If the solution has become clear continue to boil the solution for about 30 minutes Once the samples have cooled off the sample tube can be connected directly to a BUCHI distillation unit or...

Страница 37: ...emperature by pressing c 4 Press d ENTER to confirm the new value 5 Press b TIME and adjust the time by pressing c 6 Press d ENTER to confirm the new value 6 4 Editing parameters during a digestion NO...

Страница 38: ...he K 446 Lift the rack and suction module out of the heating block into the cooling position 3 On the K 449 The rack moves automatically out of the heating block into the cooling position 6 6 Switch o...

Страница 39: ...d positions to close the suction circuit 4 Fit the sample rack into the cooling position 5 Remove the drip tray 6 Tilt down the suction module onto the sample tubes 7 Check if all the sealings of the...

Страница 40: ...y between the suction module and the samples 15 Switch off the Scrubber if connected by pressing the stop STOP button 6 8 KjelDigester K 449 6 8 1 Digestion process manual mode aPreliminary tasks 1 Tu...

Страница 41: ...on module when no more fumes are escaping from the sample tubes 13 Place the drip tray between the suction module and the samples 14 Switch off the Scrubber by pressing the stop STOP button 6 8 2 Dige...

Страница 42: ...ART button to repeat the same method or press stop STOP to select another method 6 8 3 Digestion process delayed start aPreliminary tasks 1 Connect the Scrubber to the K 449 2 5 5 5 Set the clock K 44...

Страница 43: ...ss e ENTER to confirm the new value 7 Press b TIME and adjust the time by pressing d 8 Press e ENTER to confirm the new value 9 Press c STEP 10 Repeat the steps 5 9 NOTE If not all of the 4 steps are...

Страница 44: ...NTER to confirm the method NOTE Method number 0 is reserved for the manual mode 6 8 7 Set up a delayed start time 1 Select the desired method 2 Press b STEP The text STARTTIME on the display appears 3...

Страница 45: ...to the moving lift Serious injuries or death can result 1 Do not reach between the heating block and rack during the lift movement 2 Do not touch the device during the lift operation 1 Move the lift u...

Страница 46: ...6 46 6 Operation KjelDigester K 446 K 449 Operation Manual...

Страница 47: ...lan 7 1 1 Maintenance as required after use No Task 1 Clean the suction module 7 49 2 Check the sealings and springs 8 57 3 Check the glass parts Suction tubes and fume collection tube Check the sampl...

Страница 48: ...Use ethanol or soapy water as detergent only aPreliminary tasks 1 Let the heating block cool down 60 C 2 Switch off the main switch WARNING Risk of electric shock or burns from electric current durin...

Страница 49: ...ean the suction tubes and the fume collection tube with detergent and a brush 4 Flush the suction tubes and the fume collection tube with water 5 Dry the sealings with a soft cloth NOTE The complete s...

Страница 50: ...required 1 Place the sample tubes and rack b on the rack stand c 2 Install the retaining plate a and lock it with the 2 latches d to secure the sample tubes 3 Turn the rack upside down and place it in...

Страница 51: ...ng under running warm water will ease the removal 2 Remove the spring b 3 Install the spring and sealing in reverse order 7 4 Fuse power supply replacement WARNING Risk of electric shock with connecte...

Страница 52: ...p tray holder on the left side of the device 2 Remove the suction module 7 54 cTasks 1 Make sure the lift is in the cooling position WARNING Risk of electric shock with connected power supply cable Se...

Страница 53: ...46 K 449 7 Maintenance 6 Move the battery a upwards out of the bracket b 7 Disconnect the electrical plug c of the battery cable 8 Install the new battery 9 Assemble in reverse order dFollow on tasks...

Страница 54: ...on module a on both handles b and lift it up and to the rear NOTE The magnets on rack support will hold the suction module back until the force of the mag netic field is overcome by lifting up CAUTION...

Страница 55: ...oting table lists possible malfunctions and errors of the device The operator is enabled to correct some of those problems or errors For this appropriate corrective measures are listed in the column C...

Страница 56: ...h off the Scrubber 5 Tilt up the suction module and place the drip tray underneath 6 Remove the rack 7 Remove residual bits of glass with a long forceps 8 Remove the heating block cover and wash it 9...

Страница 57: ...room 1 Close the door of the fume hood as far as possible 2 Leave the room and secure it until no fumes are left 3 Try to reestablish the power supply so that the fume will be aspirated 4 Restart the...

Страница 58: ...r NOTE Sample tubes with scratches or chips can break during a digestion aResults Glass parts show no damage The glass parts are O K Glass parts have scratches or chips Replace faulty glass parts 8 4...

Страница 59: ...sults The lift moves completely up to the cooling position The battery is O K The lift does not completely move up to the cooling position Replace the rechargeable battery 7 52 bFollow on tasks 1 Afte...

Страница 60: ...8 60 8 Troubleshooting KjelDigester K 446 K 449 Operation Manual...

Страница 61: ...nsport lock in reverse order according to 5 3 Transport lock removal 5 26 2 Disassemble the device in reverse order according to 5 4 Device assembly 5 26 3 Put all relevant documentation e g operation...

Страница 62: ...Coating Polyester epoxy Lift guide Polyethylene Heating block Aluminum AlMgSi 1 Sealing suction module PTFE Spring suction module Stainless spring steel Insulation Superwool blanket 607 SiO2 CaO MgO H...

Страница 63: ...Use only genuine BUCHI consumables and spare parts for maintenance to assure good system performance reliability and safety Any modifications of spare parts or assemblies are only al lowed with the p...

Страница 64: ...6 K 449 Operation Manual 10 2 Spare parts KjelDigester K 446 K 449 Position Description Qty Order number a Rack 1 11059831 b Sample tube 300 mL 4 037377 c Sample tube 300 mL 20 11059690 d Drip tray 1...

Страница 65: ...ter K 446 K 449 10 Spare parts Position Description Qty Order number a Sealing PTFE 10 11059764 b Spring 10 11059765 c Suction tube standard 1 11058651 d Suction tube with condensate trap 1 11058827 e...

Страница 66: ...er Heating block cover 1 11058793 Rechargeable battery in cluding connection cable 1 11059102 Hose connector 1 11057159 Catchpot clip 1 11057149 Fuse 10 A 10 016952 Power supply cable Type CH Type Sch...

Страница 67: ...9 10 Spare parts 10 3 Optional accessories Picture Description Qty Order number User protection shield 1 11057889 Rack stand 1 11058659 Retaining plate for dish washer 1 038559 Air supply 1 040079 Hea...

Страница 68: ...t pump made of plastic 1 002913 10 3 1 Kjeldahl Tablets Description Qty Order number Titanium 3 71 g 3 500 g K2 SO4 0 105 g CuSO4 5 H2 O 0 105 g TiO2 1000 11057980 Missouri 5 00 g 4 980 g K2 SO4 0 020...

Страница 69: ...terference in which case the user will be required to correct the interference at his own expense bFran ais Cet appareil a t test et s est av r conforme aux limites pr vues pour les appareils num ri q...

Страница 70: ...rthquake 29 Editing parameters 37 Electrical system 18 Environmental conditions 18 Error message 55 Eyebolt 20 F FCC requirements 69 Fume removal 16 Fuse 51 66 G General safety 13 Glass parts conditio...

Страница 71: ...ose 49 Sealing 49 50 57 Set parameters 36 43 Settings menu 29 Spare parts 13 63 Spring 57 Start 23 Start a digestion 36 Step 23 Stop 23 Suction module 27 49 Sulfuric acid 11 19 35 Symbols 12 T Taking...

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Страница 74: ...w buchi com cn India BUCHI India Private Ltd IN Mumbai 400 055 T 91 22 667 75400 F 91 22 667 18986 india buchi com www buchi in Indonesia PT BUCHI Indonesia ID Tangerang 15321 T 62 21 537 62 16 F 62 2...

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