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Service Manual 2000 Digestion Unit

1. 5 2 zd tae ie A ea q LCD DISPLAY 5232 PD 3 RXD 2 7 SW1 SW5 l Vcc IC4 J3 CONTROL SIGNALS J4 J2 TEMPCTL BEEPER BLOCK DIAGRAM 2000 DIGESTOR SYSTEM CONTROLLER BLOCO50a ESZ 266 00021 090 73 I 1 Bus 438 EQEDu op Cc D AAA eee ams ho o S Z 06r 201935 F d 22 7917 HSL WMSLSAS SG 8384 WHINDD 4 82 Er J r gms n m ome an HY TT 8 gt eo N sin 11 gp ns e lili COLL A m Fat Latta AWE 5 mwa i E a ______ LI d i i 3 9 sr 1 FH z M 2234 Gr LA an OHARA 037 a ra 23 225 zar Ts DA BEA t k 17 m x L mun J0318
2. a 21 KIT Es n HH P _ r w w mn pum tEn FRONT Equipped with components 1000 5240 230V 1000 5622 115V 25238 Cod Asathings nr weg E Dr lum a 05 5 75 5238 100052736 753 rece tor 4 54 5 BABL L DaTOR WEN 002 1545 50 2 EIE V n Him pa a T sE nnn LL 5 8 9 MAINS INPUT 1 5 12995521 TEMPERATURE CUT OUT THERMOSTAT 2 21 y 15528877 tecator 19995248 831122 DIbESTOR 056 1 200832753 AITH MH 5327 8653 d 4 T NS INPUT 2 1 co TEMPERATURE CUT OUT THERMOSTAT 1 5 2 l 18625522 15528827 188058231 10905623 GE 51 sid DIGESTOR L 05671195Y en 2 19885555 863 REITH
3. Lift Instruction Manual Rev 2 0 1195 Part 1000 5291 Tecator AB Sweden SAFETY PRECAUTIONS AND PROCEDURES 1 1 Intended use The 1015 2015 Lift Unit is designed for laboratory use analysing parameters as specified in Tecator s Application Notes Caution The responsible body shall be made aware that if the equipment used tn a manner not specified by the manufacturer the protection provided by the equipment may be impaired 1 2 Safety precautions Please read these operating instructions carefully and act accordingly For safety reasons people not familiar with these operating instructions must not use the instrument A Warning Careful handiing of the solutions used in an analysis is mandatory for laboratory safety Refer to the appropriate material safety data sheet for reagent handling instructions Eye protection should be worn at all times Warning This product is provided with a power cable of special design which if damaged must be replaced by a cable of the same type such cable may be obtained from Tecator AB and must be fitted by a specialist N Warning This device is equipped with grounding earthing type power plug for your protection against electrical shock hazard and should only be attached to properly grounded earthed receptacle Before replacing the fuses disconnect incoming mains supply Warning Electrical shock hazard C
4. 2 4 4 2 1 10 3 6 1 Setting the Internal Clock I 3 6 2 Interrupting the Cycle 11 3 6 2 1 Changing the digestion HIME HER 11 3 6 2 2 Removing the ragk essen TI 3 7 Maintenance 12 4 TECHNICAL SPECIFICATIONS 13 4 1 Safefy u n nanara 13 4 2 Environmental conditions 13 4 3 Technical Data Installation Requirements 13 4 4 Connectors and 5 5 13 4 5 Lifting the 14 4 6 Storage amp VR 14 5 ACCESORIES 15 5 1 Spare parts A 15 5 2 Fume Removal Systems 15 5 3 Test Tubes 22 1 15 5 4 Reflux 16 5 5 Kjeltabs 2222 2 0 00 2 0 0 0 16 5 6 Handling 5 5 16 5 7 Manufacturers name and 17
5. tubes are used This is not needed when the Lift System is used 1000 0460 Boiling Rod to avoid bumping when digesting large volumes of water 1521 0001 Dispenser for reagents like acid or peroxide Adjustable 1 10 ml 1250 ml 1521 0002 Dispenser for reagents like acid or peroxide Adiustable 10 30 ml 2006 ml 15 5 7 Manufacturers name and address Tecator AB Box 70 5 263 21 H gan s Sweden Int phone 46 42 361500 Int fax 46 42 340349 16 Lift Instruction Manual Rev 2 0 11796 Part 1000 5221 Tecator AB Sweden 4 1 4 2 tecator 2000 Digestion System ELECTRICAL DESCRIPTION General The 2000 Digestion System can be built to different degrees of complexity For a discussion of this with part numbers etc see chapter VIII in the user manual for 2000 Digestion System The general rule is that everything can be connected to each other except that the 2015 1015 Lift is only physically compatible with the DS20 40 Digestors It is the Digestor that is the heart of the system The digestor has an internal electronic temperature regulator and is able to function by itself The actual temperature value of the Digestor is transfered to the Controller The temperature rise in the Digestor can be controlled in nine temperature and time steps between 50 440 C The Controller is powered from the Digestor The Controller is also capable to control the Flow Regulator Scrubber and the perfo
6. tecator Service Manual 2000 Digestion Unit 1000 6345 Rev 1 1 Copyright 1996 All rights reserved Tecator AB Box 70 S 263 21 H gan s Sweden tecator This document contains service information for Tecator products as indicated on the front cover 1996 01 11 Included information concerning 2015 Lift and 2001 Scrubber Please note that all information is liable to change without previous notice Please inform Technical Information Group Tecator AB Box 70 5 263 21 H gan s Sweden Tel Int 46 49 361500 FAX Int 46 42 343150 if you have any opinions or proposals for change of this manual tecator Table of contents _ ee 4 Ww 4 5 1 5 1 5 2 5 2 1 5 3 5 3 1 5 3 2 5 3 3 5 3 4 5 3 5 5 4 5 4 1 5 4 2 5 4 3 5 4 4 5 4 5 5 5 5 5 1 5 5 2 5 5 3 5 5 4 5 5 5 GENERAL Introduction Terms of limited warranty Safety precautions TECHNICAL DESCRIPTION FUNCTIONAL AND OPERATION DESCRIPTION ELECTRICAL DESCRIPTION General eee 4 1 Digestors 2015 Lift 22 e 4 2 Functional description 4 3 Flow regulator 1000 5425 2 4 3 Controller unit configuration es FIELD SERVICE INFORMATION Maintenace 3 1 Technical updates 5 New rod heaters for Digestion units 2020 and 2040 5 1 Repla
7. 9 Open the water tap fully and raise the manifold for some seconds This procedure should be done at regular intervals to keep the system in good function 5 2 3 Scrubber Unit 2001 The reagents in the flasks must be exchanged when they are exhausted i e when the pH of the alkaii solution is too low pH 7 A cleaning of the two flasks shall be made at regular intervals i e 100 digestions Fill 21 the flask with water and dissolve all crystals Repeat the procedure two to three times To obtain best performance the seals in the flasks should be greased with regular vacuum grease 5 2 3 1 Pre cleaning stage The flask to the left should be fillec to the minimum level with water The water traps acidic fumes there by increases the useful life of the reagents in the scrubbing stage 5 2 3 2 Cleaning air pump It is normally not necessary to clean the air pump unless the neutralising flask accidentally has been filled above the maximum level and liquid has been sucked into the air pump If this happens it will not cause permanent damage to the pump but it has to be cleaned To clean the air pump proceed as follows 1 Disconnect the Scrubber from the power supply 2 both flasks 3 Connect a hose from the air outlet on the rear to a sink 4 Gently rinse the pump with water through the rightmost nipple on the front of the unit i e outlet of the neutralising flask 28 2000 Digestion Syste
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9. CO WWE gt in gt MN F fa P P bE nh gt m SAFETY PRECAUTIONS AND PROCEDURES 5 Intended 586 5 5 ety precautions PPP eR Fa Fd kaqpi b INTRODUCTION 7 Brief d ipti 7 escrip Ion a i ee k kurak d RR d Performance data ee ee GGGH 8 PREPARATIONS FOR USE 9 Unpacking and checking a Exhaust System for individual handling of tubes DS 6 Installation requirements A 12 ut and output connections NE 2006 2012 2020 2040 Digestor 12 2000 Controller cette 12 Flow Regulator esee ene ennemi 13 2001 Scrubber Unit E 13 2001 Scrubber unit K Installation instructions 13 Digestion Unit ME 13 Exhaust Flow Regulator V Adjustment of the Flow regulator Scrubber unit 14 Adjustment of Scrubber unit 0 0 0 eerte ente 14 Reagents for Scrubber eese sesenta tenni rtr tana 1
10. Effective from serial no to serial no sewa na 1549 0048 Edge list 1000 5158 Cable unit 1569 0114 Plinth 1569 0115 Plinth label 1547 0081 Foot 1561 0278 Cable 1569 0003 Rubber grommet 1000 5261 Plate spring 1539 0023 Distance tube 4 Parts list Part no 1000 6205 Rev 1 0 tecator 1015 Litt 1015005a m 1000 4922 Paria list Part no 1000 6205 Rev 1 0 1015 Lift Designation Accessories Lift tecator General drawing 10005142 Effective from serial no to serial no ow Or P G N 1000 5061 1000 5134 1582 0017 1000 0415 1564 0106 1564 0049 1000 5221 Hose coupling Guide plate cpl Tubing Driptray white Fuse cap Fuse 1 6 AT Manual 1015 2015 Lift Parte list Part no 1000 8205 Rev 1 0 1015 Lift fecator 201501 3a Parta list Part 1000 6205 Rev 1 0 BLOCO28a Parts List 2015 Lift 1996 01 17 Part no 1000 6206 Rev 1 1 due NT 1 TEE ae mn RES due endi A UE m ES TT Fate he hh Copyright 1996 7 All rights reserved Tecator Box 70 5 263 21 H gan s Sweden 2015 Lift Designation General drawing tecator Lift 200 240 50 60 Hz 1000 5520 1000 5521 Effectiv
11. Front Cable stand Temp control PCB Panel foil Panel foil Overheat protector Solid state relay Insulating plate Switch mains Temperature sensor inner box Guide plate Guide plate Mica lamination Mica lamination Block DS 20 Block DS 40 Insulating front Insulating bottom Insulating sides Insulating rear Insulating rear Rod heater 52V 500W Rod heater 42V 400W Protection plate incl incl incl incl incl incl incl incl incl incl inci incl incl incl incl incl incl incl incl incl incl incl incl incl Parts list Pert no 1000 6889 1994 09 21 Rev 1 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 2000 Digestion system tecator BLOCOD32 1000 5164 1000 5461 DS 20 40 Parts list Part no 1000 5859 1994 09 21 Rev 1 1 Hill tecator 2000 Digestion aystem Digestor unit 20 40 cpl Designation General drawing 1000 5164 1000 5461 230 Effective from serial no 16604 158 to serial no We ree women fmm 1000 5320 1000 5462 1000 5147 1000 5319 1000 5464 1547 0063 1000 5244 1000 5307 1561 0121 1000 5148 1561 0123 1000 5240 1000 5513 1000 5514 1579 0019 1562 0022 1000 5151 1563 0001 1563 0148 1000 5149 100
12. for contro of the temperature in the digestor the Flow Control valves the lift system movements The controller is powered from the digestor via junction J2 Vdd is then stabilised to supply the contacts J4 and J5 SWi Up time temp or Step depending on selection SW2 Down time temp or Step depending on selection SW3 RUN STOP SW4 TEMP SW5 TIME SW6 Not used If the digestor is set to a lower temperature value than the controller the actual temperature in the digestor will only reach this lower value Set the temperature value in the digestor well above the highest value choosen in the controller for the system to perform correctly Service Manual 1000 6346 Rev 1 1 4 3 4 5 1 2000 Digestion System tecator Pin configuration The schematic to the table below can be found on page B 22 Ji Gnd 1 1 Serubber I low speed DISPLAY signal high With potentiometer RI the LCD viewing angle can be adjusted AD 2 common 21 3 DATA 3 Serubber high speed signal high on both pin 1 and 3 not used 4 4 Lift Optocouplers doubled to increase current Gnd 5 PWM Lift not A not used 12 V not 7 motused ____ not used Vdd from Digestor 9 4 4 Service Manual 1000 6345 Rev 1 1 5 1 5 2 5 2 1 F or 2000 Digestion System FIELD SERVICE INFORMATION Maintenace See chap
13. one Scrubber Unit Up to 300 samples without replenishing recigants For automatic operation the Controller use the 2000 013 Scrubber Interface Bench top Serubber unit 100 110 200 230V 60 60 Hz for neutralisation of fumes in acid digestions It can be combined with any of the Exhaust Systems Up to 100 samples without replenishing reagents Fully automatic operation obtained by using the Controller 2000 2020 020 Exhaust System for the 2020 Digestor complete with water aspirator 2040 020 Exhaust System for 2040 Digestor complete with water aspirator Can easily be mounted on the Lift System All the Exhaust Systems are prepared for connection to the 2000 010 Flow Regulator 5 3 Test Tubes Straight model often used for Kjeldahl determination 1000 0158 Same as above but set of 20 Size 100 ml sat of 12 Same as above but set of 40 With constriction and volume mark used in applications where the digest is diluted to volume arid an aliquot is taken for tests 14 Litt Instruction Manual Rev 2 0 11 95 Part no 1000 5221 Tecator AB Sweden Lift Instruction Manual Rev 2 0 11 95 Part no 1000 5221 Tecator AB Sweden 5 4 Reflux Condensers 2020 030 Reflux Head with 20 water cooled condensers for 250 ml tubes 1000 6444 Acid trap for watercooled condenser 1000 0254 Reflux condenser air cooled 700 mm with ground joint for 250 m
14. 2000 Digestion Syztem Instruction Manual Rev 2 0 09 95 Part 1000 5548 Tecator AB Sweden 2000 Digestion Sysiem Instruction Manual Rev 2 0 09 35 Part 1000 5548 Tecator AB Sweden Fig 18 The Digestors Fig 19 The Controller Fig 20 The Flow Regulator operar instructions 4 1 Identification of operating controls and symbols These tables are translated Fig 18 Operating controls Digestors Power Heating indicator Select set point increase sel value Decrease set value Fig 20 Operating controls Flow Regulator Operation mode selector Flow rate adjustor 4 2 Operation Tecator s Digestion Systems can be used for a number of different types of analysis Application Notes are available from your Tecator representative upon request Note Most digestion applications involve strong chemicals and high temperatures which makes it important to follow the safety regulations Always protect your eyes and use protective gloves and garments 4 3 Starting Digestor Press the mains switch to start the Digestor 9 The set temperature is displayed for one second followed by the actual temperature in the Digestor If the actual temperature is lower than the set value a steady light will appear in the heating indicator lamp see fig 18 showing that the Digestor is heating 9 When the set temperature is reached in the Digestor the heating indicat
15. 250 ml set of 6 Same as above but set of 20 Size 100 ml set of 12 Same as above but set of 40 Reflux Condensors 2006 030 2012 030 2020 030 Reflux head with 6 water cooled condensors for 250 ml tubes Reflux head with 12 water cooled condensors for 100 ml tubes Reflux head with 20 water cooled condensors for 250 ml tubes Can easily be mounted on the Lift System 84 Fig 28 The different models of test tubes Fig 29 Reflux Condensors 2000 Digestion System instruction Manual Rev 2 0 09 95 Part 1000 5548 Tecator AB Sweden 2000 Digestion System Instruction Manual 2 0 09 95 Part no 1000 5548 Tecator AB Sweden Fig 30 Kjetiabs Fig 31 The different tube racks and the stand for rapid cooling Kjeltabs All types are delivered in boxes of 1000 1527 0003 Selenium tablets with 3 5 2 3 5 mg Se 1527 0004 Mercury tablets with 3 5 2 K2504 175 mg Hgo 1527 0018 Copper tablets with 3 5 2 K2804 400 mg CuO x 5 H20 1527 0001 Selenium tablets with 1 5 g K2504 7 5 mg Se 1527 0033 Mercury tablets with 1 5 g K2504 75 mg 1527 0034 Copper tablets with 1 5 g KaSO4 150 mg CuO x 5 20 Handling Systems One each of the listed items below is included in the corresponding Digestor For handy operation it is advisable to order more Tube Racks so that all the tubes normally in use in the laboratory are placed in a rack 1000 0831 100
16. 3 b jl A C13 5 Cia JC1 LED 7 5 OUTPUT 5 Pwr 4l 3i 5 262 S EN 2 E i 1 2 5 gt gt 3 37 T5 a CONTADL LE 70 5 GND EC A 7 TEMP CTL 7 si TR JO a gt 12 53 D e PH M armo 331214 Sd fees 1 ____________ 5 5 4s23805 AITH TEMPERATURE REGULATOR 12285238 813 d Zl TIMER RELAY BOARD 1000 5082 2 2 BLOCK DIAGRAM 2000 DIGESTION SYSTEM LIFT SYSTEM UPPER LOWER POS SWITCH MOTOR EXHAUST RELEASE MAGNET VA CONTROL UNIT BLOCO51a Ir 95 87667 71051403 IE LENA 38737138 5 8605 0081 darga gu ke ar HJLIMS S089 Jaw 1 509 U mie 18 SAI 5 r _ u m ZH 99 5192 JOJO 255 888 19 B LINA TON FY i ra NADO EE M m IANS AW gsvwadagH SANT 30 605 east
17. 5461 803 n1 57 ADG ADB 3 2 11 cig 94 PREM p A RM d Y masa T 54 503 4 4 SUPPLY 5 5 E B iind 7 7 M Lo veer IC O AMPL IFIER pe q AGE f BB ERU 85 d es 5 al ADC 5 E DISPLAY CHERI BED 2 3 4 CMSR4 02 5 CMSRS 6 7 CMT RST Ew ica d es 93 25 tecator LL s LES pee Leser TEMPERATURE REGULATOR 12285238 3 ence 1 356 je 2588802556 _ FEMPERATURE REGULATOR trecator ced EIN 11 15 28 Pesek 319 2 4 T vec ES Ia 3 e 1 5 6 04 EL 22 24 c25 c23 LE T m M 16 32 13 Cis cia pel Ica 16 9 Ew pue pe trecator LL re WITH TEMPERATURE REGULATOR 13 q e sse LLL de 94 TEMPERATURE HEGLIL 523884 CS0 AITH MH 128895238 813 d 91 CE 3 mA DATA ADCA
18. Exchange of the circuit board 1 Disconnect the Digestor from the main supply 2 To getin to the Digestor follow steps 3 7 in section Exchange of overheat protector 3 Disconnect the cables JA1 R and JA2 Y the cable to the temperature sensor the cable to receptacle in the chassie JE1 L the cable to the overtemperature protector JE2 N the cable to the mains switch JC 1 the white cable to the solid state relay no 3 JC2 the brown cable to the state relay no 4 and the cable to the controller 4 Unscrew the four nuts and washers and change the circuit board 5 Assemble in reversed order Perform a test run BLOC057a Fig 5 8 The circuit board Service Manual 1000 6345 Rev 1 1 5 9 5 4 4 5 4 5 2000 Digestion System tecator Exchange of temperature sensor CO Mp Disconnect the Digestor from the main supply To get in to the Digestor follow steps 3 7 in the section Exchange of overheat protector Disconnect the two cables from the PCB JAL R and JA2 Y where the temperature sensor pos 9 is placed Take away the mica lamination pos 7 by unscrewing the two amp crews pos 6 Pull out the sensor through the insulating Change the temperature sensor and assemble in reversed order Perform a test run Exchange of the rod heaters 9 Pont Disconnect the Digestor from the mains power Unscrew the two screws pos 1 holding the rim Loosen the four
19. HA 5555 863 88 6978 0068 6150 501539910 uM 101029158 dle __ 221 1 6 avale 129508001 12950080 455 c BBz gs dez28000t 2 5 b 1 L 5 100 175 38n1vs8349n31 SNI YH f 45 _ yoo BEEN CM TI C LII d 6 MAINS INPUT 100078724 5 108B5823 T Tyo J WHITE me TEMPERATURE CUT OUT 6 L y 5 22 155788027 3 SSR tecator LLL des j 05127115W 1288 5556 863 01 9 A Tyo J TEMPERATURE CUT OUT THERMOSTAT MAING INPUT 1060652340 15628922 55A 5 emo 331122 su Th tecator dlas 3 fee gaast6a RITH HA DIGESTOR 0520 1808 5164 863 I aBBSB 4 Lid 10005525 1808085625 108005625 Lid 4 RED TEMPERATURE CUT OUT THERMOSTAT MAINS INPUT L 1417 _5 _____ gt vl 10005210 15620822 E T ETT DIGESTOR 0549 1 adips 524 168005624 100055625 ee 164485625 MON 16005525 RITH NR
20. Lift 200 240 Y 50 60 Hz General drawing 1000 5520 1000 5521 Effective from serial no to serial no 1000 4944 1000 5580 1545 0050 1571 0026 1000 5511 1000 5158 1569 0114 1569 0115 1547 0081 1561 0278 1569 0003 1000 5261 1539 0023 1000 5510 1000 5587 1567 0066 Designation Threaded driving wheel 2215 Threaded driving wheel 2 42 Threaded driving belt Motor Holder for Motor Cable unit Plinth Plinth label Foot Cable Rubber grommet Plate spring Distance tube Motor protection Drive belt protection RC net capacitor Remarks Parts list Part no 1000 6206 Rev 1 1 2015 Lift HB tecator 20150058 LIFT Parts list Part 1000 6206 Rev 1 1 2016 Lift fecator Designation Accessories Lift General drawing 1000 5142 Effective from serial no to serial no __ 10005061 Hose coupling nipple 10005134 Guide plate cpl Only for the 1015 Lift and old type of digestors 15820017 Tubing 10000415 Driptray white 15640106 Fuse cap 15640049 Fuse 1 6 AT 10005221 Manual 1015 2015 Lift 0 6 Parts list Part no 1000 6206 7 Rev 1 1 tecator 2015 Lift Parts Part no 1000 6206 Rev 1 1 7
21. Tecator AB Sweden v c g Lu c 10x10x15 Power supply 100 110 200 230 V 50 60 Hz Power consumption 150 w x Water supply Weight 13 kg Dimensions LxDxH M Ox330x340 TA Ventilation requirement _ Connection to hood possible 3 3 1 Inputand output connections 3 3 1 1 2006 2012 2020 and 2040 Digestor Under the front There is one Modular 8 8 connector for the 2000 Controller 3 3 1 2 2000 Controller At the rear pl bo 2000 Digestion System Instruction Manual Rey 9 0 09 95 Part no 1000 5548 Tecator AB Sweden Fig 11 The Exhaust Systems There are two interchangeable Modular 6 6 connectors to control the functions of the 2015 Lift System Flow Regulator 2001 Scrubber Unit or Scrubber interface There is also one Modular 8 8 connector for one of the 2000 series Digestor Units One 9 pin D SUB for PC 3 3 1 3 Under the front There is one Modular 6 6 connector for the 2000 Controller 3 3 1 4 2001 Scrubber Unit On the left side There is one cable with a Modular 6 6 connector for the 2000 Controller 3 3 2 Fuses 3 3 2 1 2001 Scrubber unit Choose the appropriate fuse in accordance with the following table Primary fuses Flow Regulator 100 2 3 15 119 2x T 2 5 200V 2x T 1 6 230V 2 T 1 6 Secondary fuse T 2 5 3 4 Installation instructions 3 4 1 The Digestion Syste
22. programmed in the Controller 9 Press TIME and when holding TIME press RUN STOP The display shows EXHAUST PARAMETERS HIGH YY LOW ZZ The indicates that the HIGH flow will be set first Press V to choose the time in minutes for HIGH flow Max 180 Min 0 e Press RUN STOP to confirm set time for HIGH flow o Press Y to choose the time in minutes for flow Max 59 Min Note The time set for LOW is the time where the LOW flow remains after that the digestion is finished In this way unnecessary emission of fumes during the cooling phase can be prevented 22 2000 Digestion System Instruction Manual Rev 2 0 08 95 Part 1000 5548 Tecator AB Sweden 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part no 1000 5548 Tecator AB Sweden Press RUN STOP to confirm and store the chosen times and the Controller returns to the working menu 8 1 XXX STOP 2 22 4 5 6 Lift System connected The Lift System is started when the temperature programmed for the start step is reached in the Digestor The tube rack with the tubes moves up and docks with the exhaust manifold or the reflux head The complete assembly is lowered into the block and the digestion proceeds for the programmed cycle Note When DS 40 is used it s preferable to dock the exhaust manifold or the reflux head manually The Lift stop signal comes when the Controller reaches a step where
23. safety All changes or modifications require written approval from Tecator The Systems may be repaired only by Tecator or by other personnel approved from Tecator Only genuine Tecator parts may be used in the analysis equipments Service Manual 1000 6345 Rev 1 1 1 1 2000 Digestion System fecator This page is intentionally not used 1 2 Service Manual 1000 6345 Rev 1 1 tecafor 2000 Digestion System 2 TECHNICAL DESCRIPTION See attached datasheet part no 9999 0720 Service Manual 1000 6345 Rev 1 1 2 1 2000 Digestion System This page is intentionally not used 2 2 BB tecator Service Manual 1000 6345 Rev 1 1 tecator 2000 Digestion System FUNCTIONALAND OPERATION DESCRIPTION See attached users manuals 2000 Digestion System part no 1000 5548 2015 1015 Lift System part no 1000 5221 Service Manual 1000 6345 Rev 1 1 3 1 2000 Digestion System This page is intentionally not used 3 2 HU tecator Service Manual 1000 6345 7 Rev 1 1 4 m 8 D Tar v d 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part no 1000 5548 Tecator AB Sweden Table of contents Ld P M Q NK N x om w KJ w b Gy N WW 100110100 G gt 0 C3 Q3 F P P P b P REED LOW G to toto to CON WW FO PO GP 0 0
24. seg decoder Output circuits page 16 There are tree push buttons SWl set SW2 up SW3 down these signals are transferred to the microprocessor Control of solid state relay and power to the heaters The square wave signal PWR coming from the processor is triggering the monostable flip flop IC 5 The output from IC 5 is led trough the transistor T4 to output JC where the solid state relay is connected The four green LED s are lit when the digestor is heating If the PWR signal disappears the digestor will stop heating This is also the case if a signal TEMPCTL is coming from an external Controller because this will sink pin 11 to zero level and prohibit heating Communication with other equipment The communication takes place trough junction JD pe T E with the controller 2 GND 6 GND _ 4 GND 8 TEMPCTLot 002 2015 Lift Incoming mains power is diverted to mains power outlet for the connection of the digestor and via two fuses 1 6 A supplied to the timer and to the step down transformer The relay board 1000 5082 is controlling the movements of the lift and is operated either manually or automatically with the 2000 controller Relay Board 1000 5082 Power supply At junction J2 see page B 18 2 x 24 VAC is supplied to the relay board At the board the AC supply is divided for two purposes motor supply and the electronics The motor supply is fused with F1 T 5 A The voltage
25. the following happens If the power supply is interrupted during an unattended digestion the tubes will remain in the block and the block will cool off When power comes back the Lift System wili lift the tubes out of the block and remain in that position until manual action is taken and the block will not start to heat The Scrubber Unit will start with reduced suction for the programmed time 4 5 8 Example of Digestion with Flow Regulator or a Scrubber Unit Note When the Flow Regulator or the Scrubber Unit is connected to a Controller the switch must be in the 0 position With Lift Settings for the Flow Regulator or the Scrubber Unit in the Controller EXHAUST PARAMETERS HIGH 10 LOWz15 The digestion time is set at 01 00 After the RUN STOP button has been pressed to start the digestion cycle and the Digestor has reached the set temperature the Lift wili lower the complete assembly into the Digestor At the same time the Flow Regulator or the Scrubber Unit starts the HIGH flow which continues for 10 minutes The remaining digestion time will have a LOW flow After the digestion is completed the Lift will raise the complete assembly to the top position The LOW flow will continue for 15 minutes Without Lift 24 2000 Digestlon System Instruction Manual Rev 2 0 09 45 Part no 1000 5548 Tecator AB Sweden 2000 Digestion System Instruction Manual Rev 2 0 09735 Part 1000 5543 Tecator AB Sweden S
26. the guide plate and take it away Unscrew the four screws pos 2 and pos 3 on the front panel Now you can turn the front and reach the overheat protector the solid state relay and the PCB Disconnect the cables from the mains switch D from the PCB JE1 L A and B and C one from each rod heater Take away the mica lamination pos 7 by unscrewing the two screws pos 6 The cable o the overheat protector ends in a sensor pos 8 Pull out the sensor through the insulating Change the overheat protector and assemble in reversed order Perform a test run gt I m Fig 5 6 The overheat protector pos 11 Service Manual 1000 6345 Rev 1 1 5 7 2000 Digestion System tecator 5 4 2 Exchange of solid state relay 1 2 3 Disconnect the Digestor from the main supply To get in to the Digestor follow steps 3 7 in section Exchange of overheat protector Disconnect the cables one from mains switch 2 two from PCB 3 white cable and 4 brown cable and one from each rod heater 1 Unscrew the relay and under it will be a layer of siliconpaste The siliconpaste carry off the heat from the relay Change the solid state relay according to fig 5 7 put a thin layer of siliconpaste under it and assemble in reversed order Perform a test run BLOCO58a Fig 5 7 The solid state relay 5 8 Bervice Manual 1000 6345 7 Rev 1 1 5 4 3 tecator 2000 Digestion System
27. the time is set to 00 00 The complete assembly will then be raised to its top position When the temperature in the Digestor has reached 420 C the complete assembly will be lowered into the Digestor 9 After 1 hour step number two is activated and as the time is 00 00 the complete assembly wili rise in the Lift system The Digestor will cool down to room temperature when the temperature is set to 10 9 A step when the time is set to 00 00 is called a stop step In this step the Digestor will maintain the set temperature 9 You can reach a stop step in a cycle or choose a step with time 00 00 and press run 4 5 7 Interrupiing the cycle The cycle can be interrupted by pressing RUN STOP The tube rack with the Exhaust Manifold or the Reflux Head wiil rise to the top position in the lift and the flow wili continue through the Flow Regulator or Scrubber Unit for the programmed time 29 If some button other than RUN STOP is pressed the Flow Regulator or Scrubber unit will stop immediately By pressing RUN STOP the tube rack and the Exhaust Manifold or Reflux Head will be lowered into the digestor and the cycle will continue from the beginning of the step where it was interrupted Note If the power supply is interrupted The Controller beeps and a warning will be shown in the display CYCLE HALTED DUE TO POWER INTERRUPTION For a combination with Controlier Lift System scrubber Unit and Digestor
28. the two nuts pos 6 and washers pos 7 from the guide plate and take it away Unscrew the four screws pos 2 and pos 3 on the front panel Now you can turn the front and reach the overheat protector the solid state relay and the Disconnect the cables from the mains switch C from the PCB JE1 B and from the right rod heater A seen from the rear Loose the rear gable by unscrewing pos 4 Take away the mica lamination pos 12 by unscrewing the two screws pos 5 The cable to the overheat protector ends in a sensor pos 8 The cable is fastened with a cable tie Cut up the cable tie and pull out the sensor through the insulating Change the overheat protector and assemble in reversed order Perform a test run Fig 5 1 The overheat protector pos 11 5 2 Service Manual 1000 6345 Hev 1 1 5 3 2 fecator Exchange of solid state relay 1 Disconnect the Digestor from the main supply 2 Togetinto the Digestor follow steps 3 6 in section Exchange of overheat protector 3 Disconnect the cables one from mains switeh 2 two from PCB 3 white cable and 4 brown cable and one from the left rod heater seen from the rear 4 Unscrew the relay and under it will be a layer of siliconpaste The siliconpaste carry off the heat from the relay 5 Change the solid state relay according to fig 5 2 put a thin layer of siliconpaste under it and assemble in reversed order 6 Perform a test run F
29. 0 0573 1000 4237 1000 0072 1000 0536 1000 0188 1000 0538 1000 4424 1000 0095 Tube rack for 6 tubes 250 ml Tube rack for 12 tubes 100 ml Tube rack for 20 tubes 250 ml This rack fits the 1038 Sampler Tube rack for 40 tubes 100 ml Heat shields for the tube racks with 6 or 12 test tubes Heat shields for the tube racks with 20 or 40 test tubes Retainer plate for simultaneous washing and drying of 12 tubes in their rack Retainer plate for simultaneous washing and drying of 20 tubes in their rack Retainer plate for simultaneous washing and drying of 40 tubes in their rack For convenient operation the Digestion System could be complemented with the following accessories 1000 0012 1000 0897 1000 0817 1000 0424 1000 0460 Tube rack for individual handling of up to 6 tubes 250 ml Recommended for express samples when a 2006 Digestor is used Included in 2006 021 Handling device for test tubes Stand for rapid cooling when racks with 6 or 12 tubes are used Stand for rapid cooling when racks with 20 or 40 tubes are used This is not needed when the Lift System is used Boiling rod to avoid bumping when digesting large volumes of water 35 1521 0001 Dispenser for reagents like acid peroxide Adjustable 1 10 ml 1250 1521 0002 Dispenser for reagents like acid or peroxide Adjustable 10 30 ml 2000 4 AN Art Scrubber unit 10006401 Flask V
30. 0 5146 1000 5465 1000 5150 1000 5466 1000 5152 1000 5468 1000 5254 1000 5154 1000 5255 1000 5256 1000 5467 1000 6071 1000 6072 1000 5406 1000 6033 1000 6034 Front cpl Front cpl Outer box Inner box Inner box Foot Frame Rear gable Earthscrew Front Cable stand Temp control Panel foil Panel foil Overheat protector Solid state relay Insulating plate Switch mains Temperature sensor Inner box Guide plate Guide plate Mica lamination Mica lamination Biock DS 20 Block DS 40 Insulating front Insulating bottom Insulating sides Insulating rear Insulating rear Rod heater 52V 500W Rod heater 42V 400W Protection plate Tinplate Tinplate incl incl incl incl incl incl incl incl incl incl incl incl incl incl incl incl incl incl incl inci incl incl incl incl incl incl Parta list Part no 1000 5889 1994 09 21 Rev 1 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 1 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 in pos 3 2000 Digestion system BU tecator 1000 5164 1000 5461 DS 20 40 Parts list Part no 1000 5889 1994 09 21 Rev 1 1 BE tecator _ Parts List 1015 Lift 1994 09 04 Part no 1000 6205 Rev 1 0 Copyright 1994 rights reserved Tecat
31. 09 95 Part 1000 5648 Tecator Sweden sarery PRECAUTIONS AND PROCEDURES 1 1 Intended use The 2000 Digestion System is designed for laboratery use for analysing parameters as specified in Tecator s Application Notes 1 2 Safety precautions Please read these operating instructions carefully and act accordingiy For safety reasons people not familiar with these operating instructions must not use the instrument Warning Careful handling of the solutions used in an analysis is mandatory for laboratory safety Refer to the appropriate material safety data sheet for reagent handling instructions Eye protection should be worn at all times and care should be taken when handling hot digestion tubes This device is equipped with grounding earthing type power plug for your protection against electrical shock hazard and should only be attached to a properly grounded earthed receptacle AN Warning Before replacing the fuses disconnect incoming mains supply N Warning Electrical shock hazard Covers or panel s should be removed by qualified personnel only Hot surface Caution The responsible body shail be made aware that if the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired Modifications aiterations rebuiiding or use of safety parts not authorized by Tecator AB violates the warran
32. 268 Sz 5 gag 1 938 n fo cez P je T BERGE E 4 Berre r ABE apu 724 B D s mre meee 840418 EIA HIGH Ii LOW BL ack EA 27 gt gt gt STET PEO b Za HALA RA BLUE 2 SE BROTH 23BvAD tecator 1 San r ose RITA NH FLOW REGULATOR 1080 5412 853 d 9c CONTROL UNIT 1 VALVE HIGH 11 tecator Black utku BLAD FLOW REGULATOR 3946418 Srin o RRE A S642 863 itll WIFE WIS WAJ WICI 7 O A 0906 CONTROL 1 E UNIT SS r 9 3 E gt gt I A maaa x WIPE i 4 wr zB 11 wi BB MAINS N INPUT T l RITH NA AY BOARD 1908 5425 613 16 7 ____ __ _ E C 1 tecator 2000 Digestion System Appendix C Parts List The Parts List for 2000 Digestion System DS 6 12 20 40 is an appendix with part no 1000 5889 which you can order seperately The same are for the Parts List 1015 Lift with
33. 5 Water aspirator supplied with 05 6 and 25 12 15 Water aspirator supplied with Exhaust System for 05 20 and 25 40 15 Controller 1 Checking and changing sel Digestor type 17 Function 221 18 OPERATING INSTRUCTIONS 19 Identification of operating controls and symbols 19 2 2 2 4 19 Starting the 19 Changing the set temperature 20 Preparing samples before digestion 20 Programming the 20 Starting the Controller 20 Programming the temperature and time cycles for the Digestor 20 Start of the Digestor HERI 21 Selling the delay time m 22 Scrubber Unit Flow Regulator PA ernan 22 TEO essere ens 23 Interrupting the cycle 23 Example of Digestion with Flow Regulator or a Scrubber Unit 24 Digestor finishes heating Handling of the tube rack 25 4 6 1 Before digestion 25 4 6 2 Altar dliges
34. 5 ml of receiver solution to receiver flask Add 50 ml 40 NaOH to diluted digest Allow reaction to settle delay for the prescribed time see below and titrate distillate with standardised titrant The of the titrant is required to 4 decimal places Perform a reagent blank before each batch of samples Calculation T B x 14 007 x N x 100 Nitrogen Protein Nitrogen x 6 25 5 7 for wheat T Sample titration B Blank of titrant Settings details see system manual Preheat Digestion Block 420 Adjust exhaust to just contain fumes after 5 minutes at full effect Model Dilution Alkali Delay Distil Soln Titrant 1002 75ml 4 mins 4 91NHCI 1926 Tm 2 02 3 6 4 H3BO3 0 1 NHCI 1030 15 Auto 1 H3BO 0 1NHCI 1035 75 ml Auto 1 HBO 01NHCI Fig 22 Example ofan Application Sub Note 3 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part no 1000 5548 Tecator AB Sweden 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part no 1000 5548 Tecator AB Sweden TECHNICAL SPECIFICATION 8 1 Safety The insulation of external inaccessible circuits is reinforced 8 2 Environmental conditions The equipment is designed to be safe at least under the following conditions Indoor use Altitude up to 2000 m Temperature 5 C to 40 Maximum relative humidity 90 for temperatures
35. M Deere 1000 6390 Lid cpl 1000 6757 Set of o rings OUS G gt 1000 6758 Membrane kit for pump cpl gt 4 5 f 7 95 3 1564 0049 Fuse 1 6 1564 0073 Fuse 3 15 fs A perp 15640097 Fuse T2 5A dio 9 3 Manufacturers name and diddress Tecator AB Box 70 5 263 21 H gan s Sweden Int phone 46 42 361500 Int fax 46 42 340349 2000 Digestion System Instruction Manual 2 0 09 95 Part na 1000 5548 Tecatar Sweden 36 ue 1 Blocd10a 2015 1015 LIFT System Lift Instruction Manual Rev 2 0 1195 Fart 1000 5221 Tecator AB Sweden Table of contents SAFETY PRECAUTIONS AND PROCEDURES 5 1 1 Intended 5 1 2 Safety precautions 5 2 INTRODUCTION 7 3 PREPARATIONS FOR USE 8 3 1 Unpacking and checking 8 3 1 1 Main parts 3 2 Assembly Installation 8 3 2 1 Tubing Only 1015 SYSTEM 8 3 3 Spacer When DS 40 is Used eene 9 3 4 Mounting the Guide Plate Only 1015 Lift System 9 3 5 Mounting the Exhaust Manifold 9 3 5 1 Exception eee ens 9 3 6 2
36. Replacement instructions 2001 Scrubber 5 14 Exchange of fuses 5 14 Exchange of air pump motor and valve 5 14 Controller unit 2000 5 14 ATTENTION Circuit boards and ElectroStatic Discharges ESD STATIC ELECTRICITY CAN BE CONTROLLED 6 1 ACCUMULATION 222 22 22 1 6 1 6 1 CIRCUITS AND ESD 6 1 STATIC ELECTRICITY BUILD UP 6 2 CONTROL AND PROTECTION 6 2 ESD PROTECTED AREA RULE 1 6 3 ESD PROTECTED PACKING RULE 2 6 3 NOTE TO SUPPLIERS RULE 3 6 3 MAINTENANCE AND CONTROL RULE 4 4 6 4 FIELD SERVICE 0 4 CHANGING THE AC POWER CABLE 6 4 Appendix A Engineering and service depot change orders A Appendix B Appendix AO A eene nente nennen nennen 1 1 1 2 tecator 2000 Digestion System GENERAL Introduction This manual contains material for the different of Di
37. System from Tecator can also be integrated with the digestor By using the Controller different time and temperature cycles can be programmed to control the digestor The Lift system the Scrubber or the Flow Kegulator can also be controlled thus making a totally automated digestion possible Fig 1 Afully automatic Digestion System allowing unattended operation 2 2 Performance data 2006 2012 2020 2040 Digestor Digestor Digester Temperature range 1090 4409 100 440 100 440 1090 4407 C C C C Temp setting 19 1 tec repeatabilbity emp readout Digital Digid bigis F Heater indication ib 0 y Overtemperature Yes Yes Yes protection Temp stability at 5 5 5 with the Controller 2 2 2 Tamp stability at 400 3 3 3 1 1 6 2 2 _ Tube size 250 mi 100ml 250 ml Sample size solide Sample size uptol5 upto3ml upto 15 upto 3ml liquids mi ml with the Controller 2000 Controller Programmable in 9 steps Temperature 20 440 Ti Yes r2 1 40 100ml Heating time 20 to min 400 at 230 V me from minute up to 99 hours and 59 minutes Can control all the Digestors the Lift the Scrubber and the Flow Regulater Note Larger samples require special procedures Please see the relevant Application notes or consult
38. The different Digestors are designed for temperatures from 50 C to 440 C All four Tecator Digestors can integrated in systems to make the digestion more automatic The Flow Regulator makes it easy to adjust the flow through a connected water aspirator It can be set to three different positions where the flow is either at a maximum minimum or no flow at all through the water aspirator This can be controlled automatically by the Controller Unit The Scrubber Unit eliminates emission of corrosive exhausts to the laboratory environment and the atmosphere The unit also makes 1t possible to operate the exhaust system without the need for a water supply The Scrubber unit can be operated manually or controlled automatically by the Controller Unit The use of a Lift System minimizes the manual handling during the digestion This system also secures that close contral of the digestion conditions is obtained i e digestion time will always be the same The 2000 Controller Unit is used together with the Digestion unit types 2006 2012 2020 and 2040 as well as the Lift System the Scrubber Unit and the Flow Regulator The Controller is programmable in nine gteps and both temperature and time can be set When a Lift System is integrated with the Digestion Unit the start and stop steps of the Lift System are controlled When a Scrubber or a Flow Regulator is integrated their procedures are programmed into the Controller Unit 18
39. The function of the step time programming is as follows The time for first step in any cycle is always measured from the point where the digestor have reached the set temperature In all other following steps time is always measured directly from the start 4 5 3 Start of the Digestor See 4 6 regarding handling of the tube rack before digestion The Digestor starts to heat up when the RUN STOP button is pressed and it does not matter which step is choosen The count down for the first programmed step starts when the preset temperature is reached 2 4 5 4 Setting delay time This function makes it possible to seta delay time for the start of the digestion Press the TEMP TIME keys and hold then press the RUN STOP key and the display will show DELAY TIME T 00 00 9 Press AY until the desired delay time in hours and minutes is shown in the display Press the RUN STOP key to confirm the time The delay time settings will be cleared after each cycle 4 5 5 Scrubber Unitor Flow Regulator connected During the first 10 to 15 minutes of the digestion depending on application a considerable amount of fume vapours are released from the chemicals and samples To be able to remove these fumes a high suction capacity is needed during this first phase After that a lower suction capacity is needed For the Scrubber Unit and for the Flow Regulator the times for and LOW flow are
40. also be used during the cooling stage Now choose the most convenient location for the Digestion unit on the laboratory bench or in a fume cupboard The maximum distance to the cold water tap should be the length of the long tubing but preferably shorter It is important for the proper function of the exhaust system that the tubing from the exhaust recejver to the water aspirator does not form any bends or kinks Because acid will condense in the tubing during the digestion cut off the long speciai tubing to a suitable length and connect it to the water aspirator 3 4 3 Controller The Controller draws its power from the connected Digestor Connect the cable with the 8 pin contact in the front underneath the cabinet of the Digestion Unit to E on the Controller unit see figs 16 and 17 When the Lift System is to be connected with the Controller use the contact that is situated on the back of the Lift Unit Tne Flow Regulator and the Scrubber both have communication contacts on the front For ali alternatives you must connect the 6 pin contact cable to either A or B There are two alternative locations for the controller It is delivered to be placed on the laboratory bench If the controller is to be placed on the wall unscrew the four nuts 16 BLOCCO Ua Fig 15 Alternative Fig 16 The Digestion Unit seen from the front underneath the cabinet Fig 17 Therear of the controller and B to Lift S
41. cement instructions DS 20 40 3 2 Exchange of overheat protector ee 5 2 Exchange of solid state 5 3 Exchange of the circuit board 5 4 Exchange of temperature sensor 5 5 Exchange of the rod 5 6 Replacement instructions DS 6 12 5 7 Exchange of overheat Protector e 5 7 Exchange of solid state relay 5 8 Exchange of the circuit board 5 9 Exchange of temperature sensor 5 10 Exchange of the rod 5 5 10 Replacement instructions 2015 Lift 5 11 Exchange of Fuses 5 11 Exchange of parts in the control panel Timer pos 7 2 Realay card 7 5 and Transformer pos 7 8 HMM ee 5 11 Exchange of Driving wheel pos 35 and 36 and Driving belt pos 38 5 11 Exchange of Motor pos 39 beso 5 11 Exchange of parts in the lift lower Tube stand arms pos 1 Electro magnet pos 2 Exhaust arm pos 5 Guide bar pos 10 Sensor pos 15 amp 16 gt Magnet pos 21 1 ond Slide nut pos 22 5 5 6 5 6 5 6 1 tecator Exchange of Ball bearing pos 19 and Guide screw pos 26 5 12
42. ction with the lever on the right side of the Scrubber Unit to the suction level where the fumes just are retained in the tube Watch for the condensation inside the tube It is preferable to make the last adjustment during the first digestion being performed with the Scrubber unit For automatic operation the switch must be set in 0 position see section 4 5 5 3 4 2 5 Reagents for Scrubber unit The Scrubber unit operates with an air pump that transports the evaporated fumes first through an acid trap left flask and then to a neutralizing solution right flask The air flow is ventilated through an outlet on the rear Note The cap with an extra splash plate fitted should be used with the flask to the right Neutralising solution The condensation flask to the left should be filled to the minimum level with water to preclean the gases and to prolong the lifetime of the scrubber reagents The flask to the right should contain a solution of 0 4 litre sodium hydroxide 40 and 0 8 litres of water This solution is sufficient for up to 100 Kjeldahl digestions i e 5 batches of 20 250 ml tubes To have a secure way to know when the neutralising solution is saturated a suitable acid base indicator can be added i e bromothymoi blue Note The flask to the right should not be filled above the maximum level 3 4 2 6 Wateraspiralor supplied with 05 6 and DS 12 Connect the water aspirator to the cold water tap ord
43. e from serial no to serial no WA rem 1 10005517 2 10005040 5 10005518 71 10005519 7 310005522 1 10005505 7 21 1000 5447 7 21 1000 5448 7 3 1563 0141 7 4 1563 0142 5 1000 5082 78 1568 0021 7 12 1565 0039 14 15610125 7 15 15610123 F 16 1561 0121 7 19 1564 0091 20 1564 0049 7 21 1568 0002 7 24 1000 5726 7 38 1569 0003 7 39 1000 4946 7 44 15630146 9 10005502 10 10004833 111 10004831 151 15630117 16 10003344 18 10004832 19 1545 0042 20 10004840 21 15430004 22 10004841 24 1000 4943 26 1000 4837 27 1000 4886 29 1000 5578 30 1000 5503 31 1000 5504 33 1000 4911 34 1000 4842 Tube stand cpl Magnet cpl Exhaust arm cpl Panel cpl 50 Hz Panel cpl 60 Hz Panel Timer 50 Hz Timer 60 Hz Switch 250 V 16 A Switch 220 V 16 Relay card Transformer oocket Cable inlet Main cable Earth screw Fuse holder Fuse 1 Mains filter Phone connector Rubber grommet Protection plate Protecting cover Lift tower Guide bar Sensor attachment Sensor Holder Slide bearing Ball bearing Holder for Magnet Magnet Slide nut Guide rod Guide screw Cross bar Lift chassi Gable right Gable left Covering plate Spacer Parts list Part 1009 6206 7 Rev 1 1 2015 Lift tecator 20140060 LIFT Parts list Part no 1000 6206 Rev 1 1 2016 Lift tecator Designation
44. e temperature sensor and assemble in reversed order Perform a test run L19 Fig 5 4 The temperature sensor pos 9 Service Manual 1000 6345 Rev 1 1 5 5 2000 Digestion System tecator 5 3 5 Exchange of the rod heaters 7 8 9 Disconnect the Digestor from the main supply To get in to the Digestor unscrew the two screws pos 1 holding the rim Unscrew the two nuts pos 6 and washers pos 7 from the guide plate and take it away Loose the rear gable by unscrewing pos 4 Take away the mica lamination by unscrewing the two screws 5 Loose the cables pos 14 and 13 and the four tinplates from the rod heaters cable 14 comes from the overheat protector A and cable 13 comes from the solid state relay 1 Pull out the five rod heaters through the insulating Change the rod heaters and assemble reversed order Perform a test run 5 6 Fig 5 5 The five rod heaters AL i Service Manual 1000 6345 Rev 1 1 5 4 5 4 1 tecator 2000 Digestion System Replacement instructions DS 6 12 Exchange of overheat protector First check that the relay not has been activated If it has reset it by pushing the green reset button pos 10 Disconnect the Digestor from the main supply Unscrew the two screws pos 1 holding the rim Unscrew the four feet on the underside and lift up the inner box Unscrew the two nuts pos 4 and washers pos 5 from
45. e unit 3 5 1 Exception If an Exhaust Manifold from the 1000 series is going to be used with Digestion block and Exhaust Receiver Lift System from the 2000 series the Exhaust Receiver must be as shown in Figure 6 Part to be changed Exhaust Receiver to DS 20 Part no 1000 0261 Exhaust Receiver to DS 40 Part no 1000 0693 Or complete Exhaust Manifold Tube bend DS 20 Part no 2020 020 Series 2000 DS 40 Part no 2040 020 Fig 6 3 6 Operation Make sure the system is conncted to the appropriate power supply Switch on the POWER see Fig 7 7 to the Digestor as well as the Lift see pos 1 Wait until the block reaches working temperature Place a rack of tubes on the wings and adjust the water aspirator to the maximum flow Alternatively connect the scrubber and adjust the flow according to the operator s manual Turn the knob marked see Fig 7 4 to program the desired digestion time in hours and minutes Note For times up to one hour the time intervals are in minutes For times greater than one hour the time intervals are in ten minute steps Press the START STOP button see Fig 7 pos 3 The tube rack with tubes moves up and docks with the exhaust manifold refiux head The complete assembly now moves down into the block and the digestion proceeds for the programmed time When the digestion has proceeded for about five minutes or the dense white fumes have subs
46. es Soldering shall be made at an EPA and the soldering bit must be connected to protective earth see Fig below Fig 6 3 Soldering bit connected to protective earth Service Manual ESD Rev 1 0 6 3 ESD tecator 6 11 MAINTENANCE AND CONTROL RULE 4 To get the correct function and quality control and check all ESD protection 6 12 FIELD SERVICE We recommend The use of a special service kit consisting of a portable EPA Touse metallic shielded bags of well known brands when transporting ESD sensitivity materials 6 13 CHANGING THE AC POWER CABLE Caution The safety on a Class I equipment depends on a proper connection to protective ground To avoid the risk of electric shock or damage the green yellow conducters always must be connected to protective earth Never disable the function of the protective earth 6 4 Service Manual ESD Rev 1 0 fecator 2000 Digestion System A Appendix A Engineering and service depot change orders Place for Technical Newsletter Service Manual 1000 6345 Rev 1 1 A 1 2000 Digestion System fecator This page is intentionally not used 2 Service Manual 1000 6345 Rev 1 1 1 tecator Appendix B Schematics Block diagram temp regulator Component layout temp regulator front Component layout temp regulator rear Interconnection diagram 056 Interconnection diagram DS6 115V Interconnection diagram DS12 Interconnection diag
47. ettings for the Flow Regulator or the Scrubber Unit the Controller EXHAUST PARAMETERS HIGH 10 LOW 15 The digestion time is set at 01 00 When the Digestor has reached the set temperature the Plow Reguiator or the Scrubber Unit starts at a HIGH flow that will continue for 10 minutes The tube rack is then lowered manually into the block After the 10 minutes have passed the flow will continue with a LOW flow for the rest of the digestion time When the remaining digestion time has passed the tube rack must be iifted out from the Digestor manually and the LOW flow continues for 15 minutes 4 5 9 Digestor finishes heating The Digestor will stop heating when it reaches a stop step where the temperature setting is lower than the ambient temperature 4 6 Handling of the tube rack 4 6 1 Before digestion With Lift System Make sure that the rack filled with tubes even if not all contains a sample Otherwise the performance of the Exhaust Manifold or Refiux Head wiii be impaired 0 Check that the correct timing 15 set for the Lift System or for the Controller Unit Regulate the vacuum flow rate for the Exhaust Manifold Reflux Head during the digestion as described in the application that is performed When using the Reflux Head make sure that the cooling capacity is enough Start the Lift System Without Lift System Place the Exhaust Manifold or the Reflux Head on top of the digesti
48. feet on the underside and lift up the inner box Unscrew the two nuts pos 4 and washers pos 5 from the guide plate and take it away Take away the mica lamination pos 7 by unscrewing the two screws pos 6 Loose the cables from the rod heaters Two cables on the overheat protector and two on the solid state relay Pull out the two rod heaters through the insulating Change the rod heaters and assemble in reversed order Perform a test run Fig 5 9 The temperature sensor pos 9 The two rod heaters Service Manual 1000 6345 Rev 1 1 5 5 9 5 1 5 5 2 5 5 3 5 5 4 5 5 5 lecator 2000 Digestion System Replacement instructions 201 5 Lift Text in the following chapters refers to Fig 5 10 Exchange of fuses Thre are four fuses in the 2015 Lift Two fuses rated T 1 6 are located close to the power inlet The two other fuses are located the power supply card ratings T 5 A and T 630 mA Exchange of parts in the control panel Timer pos 7 2 Realay card pos 7 5 and Transformer pos 7 8 Disconnect the Lift from mains power Remove the right gable see pos 30 Identify and replace the faulty part s Assemble in reverse order Perform a test run Que games Exchange of Driving wheel pos 35 and 36 and Driving belt pos 38 Disconnect the Lift from mains power Remove the drive belt protection pos 71 and the motor protection see pos 70 Loosen the motor pos 39 and sl
49. g and checking Unpack the Lift system with care Note Use the packing list enclosed with the equipment to ensure that no parts are missing If you have any questions please contact your Tecator representative or Tecator AB Address at rear cover 3 1 1 Main parts 20150128 Fig 1 Malin parts of the system 1 Lift system 2015 1015 2 Tubing bend oniy 1015 3 Guide plate only 1015 4 Drip pan 5 Spacer oniy DS40 Digestion block 3 2 Assembly Installation Place the Lift System in a fume cupboard or on a laboratory bench with access to suitable power water and drainage 3 2 1 Tubing Only 1015 LIFT SYSTEM The tubing bend see Fig 2 pos 1 is connected to the glass exhaust nipple with the tubing provided see Fig 2 pos 2 Note Mount the short end of the tubing bend towards the exhaust manifold Connect the tube from the water aspirator to the the tubing bend Fig 2 system Pad Tubing only 1015 Lift Lift Instruction Manual Rev 2 0 11 25 Part 1000 5221 Tecator AB Sweden Lift Instruction Manual Rev 2 0 11 95 Part no 1000 5221 Tecator AB Sweden Fig 3 20150108 Spacer used together with DS 40 Digestion block Fig 4 Fig 5 manifold Mounting of guide plate Mounting of the Exhaust Turn the tubing bend so that it points to the side where the water aspirator is located Secure the tubing clamps Hang the tube on one of the hooks on
50. g rear Insulating left Rod heater 500W Rod heater 500W 230V DS 6 115V DS 6 230V DS 12 115V DS 12 230V 1 15V 230 08 6 115V DS 6 230 05 12 115V DS 12 incl in pos 1 incl in pos 1 incl in pos 1 incl in pos 1 inch in pos 1 incl in pos 1 incl in pos 1 incl in pos 1 incl in pos 1 incl in pos 1 in pos 1 incl in pos 1 incl in pos 3 incl in pos 3 incl in pos 3 incl in pos 3 incl in pos 3 incl in pos 3 incl in pos 3 incl in pos 3 incl in pos 3 incl in pos 3 incl in pos 3 incl in pos 3 incl in pos 3 Parts list Part no 1000 5889 1994 09 21 Rev 1 1 2000 Digestion system ai tecator 71000 5327 5555 5469 5556 BLOC OO22 DS 6412 Parts list Part no 1000 5889 1994 09 2 Rev 1 1 tecator 2000 Digestion system Digestor unit 20 40 cpl Designation General drawing 1000 5164 1000 5461 230V Effective from serial 16297 100 to serial no 16603 157 1000 5320 1000 5462 1000 5147 1000 5319 1000 5464 1547 0083 1000 5244 1000 5307 1561 0121 1000 5572 1000 5148 1561 0123 1000 5240 1000 5513 1000 5514 1579 0019 1562 0022 1000 5151 1563 0001 1563 0148 1000 5149 1000 5146 1000 5465 1000 5150 1000 5466 1000 5152 1000 5468 1000 5254 1600 5154 1000 5255 1000 5256 1000 5467 1000 5624 1000 5625 1000 5406 Front cpl Front cpl Outer box Inner box Inner box Foot Frame Rear gable Earthscrew Insulating plate
51. gestion Systems Lift system Control Systems and Fume Removal System Terms of limited warranty All tecator products are warranted against defects in materials and workmanship under normal use in accordance with Tecator terms of sale The warranty period is one year for replacements parts The warranty period becomes effective at installation or 3 months from date of shipment whichever occurs first No other warranty is expressed or implied Tecator further guarantees that the goods have been thoroughly checked and tested before shipment and that they are free of mechanical and electrical defects Should defects due to faulty material or workmanship develop during the WARRANTY PERIOD parts will be supplied on a no charge basis in accordance with Tecator terms of sale except for expendable materials The Seller accepts no contingent liability and shall in no event be liable for consequential damages Warranty Disclaimer Local market regulations and market conditions may require a change of the above stated warranty Please check with the local Tecator distributor to confirm the prevailing warranty policy for your area Safety precautions For the safety of the operator and service technician the apparatus should be correctly earthed by the mains cord or by the separate earthing screw Never use these Systems if it is in need of adjustment and or repair Do not make any changes or modifications to the equipment that may effect
52. gineer to replace the The unit does not remember en EE prom is broken the last set value circuit board engineer to replace the circuit board Flow Regulator Contact your service Probable cause The unit does not react to Connection problem Check that the water tap tap i is the control signals turned on and check the cable 29 All TECATOR APPLICATION NOTES SYSTEM For information about preparation of chemicals and the Fibertec method please see the Application Note AN 300 supplied with your system In Tecators extensive list of Application Sub Notes you will find information on how to analyse the sample of your choice Please contact your Tecator representative for more details APPLICATION SUB NOTE THE DETERMINATION OF NITROGEN ACCORDING TO KJELDAHL IN CEREALS Sample Preparation Grind the samples try using a suitable laboratory mill Tecator Cyclotec or grinder Tecator Knifetec Mill Weigh 1 of sample to an accuracy of 0 1 mg mto 250 digestion tube Digestion Add 2 Kjeltabs Cu 3 5 or 7 2504 0 8 CuSQ4 x 5H30 Add 12 ml concentrated 2504 Shake gently to wet the sample Position the exhaust and turn on aspirator or scrubber Digest for 60 minutes Remove rack with exhaust and leave to cool for at least 15 minutes Distillation On some systems part or all of this is performed automatically Dilute cooled digest with 75 ml H gt 0 Add 2
53. he last adjustment during the first digestion performed After the time for the High flow has passed press the switch to position II Please note that the knob must be turned completely to the end position Then adjust to the flow that is to be used The Fiow Regulator can after the initial adjustment be controlled from the controiler 2000 when the switch is in the 0 position 3 4 2 3 Scrubber unit Please check at the back of the unit that the specified voltage agrees with the power supply Connect the Scrubber to the socket Connect the tubing on the top of the unit to the exhaust manifold If desired a ventilation tube can be connected from the outlet of the unit to a fume hood or another Suitable ventilation system 3 4 2 4 Adjustment of Scrubber unit The Scrubber can be manually operated Switching from high to low exhaust settings can easily be done using the switch on the left side of the unit Press the switch to position II for maximum suction high exhaust during the initial part of tne digestion 14 Fig 12 The Flow Regulator and the Water Asptrator broken iine Fig 13 The Serubber Unit 2000 Digestion System Instruction Manual Rey 3 0 09 95 Pari no 1000 5548 Tecator Sweden 2000 Digestion System Instruction Mannal Rev 2 9 09 05 Part no 1000 5548 Tecator AB Sweden Fig 14 Alternative I For reduced suction exhaust low press the switch to position I Regulate the su
54. he surface underneath Turn off the water tap 26 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part no 1000 5548 Tecator AB Sweden 2000 Digestion System nztruction Manual Rev 2 0 09 95 Part ne 1000 5548 Tecatar AB Sweden Fig 21 The rack when using the retainer plate MAINTENANCE 51 Cleaning of the Digestion tubes Fig 21 shows how the digestion tubes can easily be cleaned and dried in the rack by using the retainer plate a Place the tube rack with the tubes on the bench b Elevate the tube rack so that it touches the upper part of the tubes the retainer plate over the rims of the tubes and attach it to the upper part of the stand The whole tube rack with tubes can now be turned upside down and cleaned with water through piece of tubing connected to a water tap Or it may be placed in a laboratory dishwasher 5 2 Maintenance 5 2 1 Digeslionsystem The Digestion System requires very little maintenance apart from the daily wiping off of any acid drops from the unit itself 5 2 2 Exhaust system The Exhaust manifold can be rinsed from acid by fiiling the plastic drip pan supplied with the Exhaust system with water 9 Open the water tap for the aspirator fully and immerse the caps of the Exhaust Manifold in the water The water will then be sucked through the caps Let the manifold dry before the next digestion Also make sure that no water is left in the tubing
55. ide it towards the lift tower Replace the faulty part s Assemble in reverse order Perform a test run Exchange of Motor pos 39 Disconnect the Lift from mains power Remove the drive belt protection pos 71 and the motor protection see pos 70 Remove the right gable pos 30 Loosen and disconnect the motor Remove the driving wheel Assemble in reverse order Perform a test run Exchange of parts in the lift tower Tube stand arms pos 1 Electro magnet pos 2 Exhaust arm pos 5 Guide bar pos 10 Sensor pos 15 amp 16 Magnet pos 21 and Slide nut pos 22 1 Disconnect the Lift from mains power 2 Remove the covering plate on the tower see pos 33 3 Pulloffthe exhaust arms pos 5 and the tube stand arms pos 1 4 Replace the faulty part s Assemble the guide bars so that phased sides are inside the lift tower The upper sensor should stick out 6 mm from its holder and the lower sensor should stick out 9 mm from its holder 5 Assemble in reverse order 6 Perform a test run Service Manual 1000 6345 Rev 1 1 5 11 5 5 6 2000 Digestion System tecator Exchange of Ball bearing pos 19 and Guide screw pos 26 Sen ANN Som e 5 12 Disconnect the Lift from mains power Remove the covering plate on the tower see pos 33 Lift of the exhaust arm pos 5 and the tube stand arms pos 1 Remove the drive belt protection pos 71 Remove the driving
56. ided adjust the exhaust flow rate just enough to contain the remaining fumes within the manifold Too much suction will cause acid losses and potential loss of nitrogen After the preset time the tube rack together with the exhaust manifold or reflux head still connected wili rise to the cooling position An audible signal indicates that the digestion cycle is over Press the button marked Tl see Fig 7 pos 2 The tube rack and the exhaust manifold are separated and the rack can be removed from the Lift 10 Lift Instruction Manual Rev 2 0 11 95 Part 1000 5221 Tecator AB Sweden Fig 7 Functions keys are the same for the both Lift systems TL button 2 Main switch hr START STOP button 4 knob 5 Display 6 Clock switch 7 Main switch on the Digestion block Lift Instruction Manual Rev 2 0 21 95 Part no 1000 5221 Tecator AB Sweden Note To prevent acid from dripping on the Digestion Block the drip tray should be placed under the exhaust head BEFORE the tube rack is removed Note Adjustment of the exhaust flow rate does not apply when a Reflux head is used Check instead that the cooling water is flowing satisfactorily 3 6 Setting the Internal Clock Press the main switch see Fig 7 pos 1 to switch on the Lift Push and hold the button see Fig 7 pos 6 and turn the knob see pos 4 until the correct time is shown in the display see pos 5 3 6 2 Inte
57. ig 5 2 The solid state relay Service Manual 1000 6345 Rev 1 1 2000 Digestion System 5 3 2000 Digestion System fecator 5 3 3 Exchange of the circuit board 1 2 8 Disconnect the Digestor from the main supply To get in to the Digestor follow steps 3 6 in section Exchange of overheat protector Disconnect the cables and JA2 Y the cable to the temperature sensor JE3 PE the cable to a receptacle in the chassie JE1 L the cable to the overtemperature protector JE2 N the cable to the mains switch JC1 4 the white cable to the solid state relay no 3 JC2 the brown cable to the solid state relay no 4 and the cable to the controller Unscrew the four nuts and washers and change the circuit board Assemble in reversed order Perform a test run BLOCOS7a Fig 5 3 The circuit board 5 4 Service Manual 1000 6346 Rev 1 1 5 3 4 fecafor 2000 Digestion System Exchange of temperature sensor Disconnect the Digestor from the main supply To get in to the Digestor follow steps 3 6 in the section Exchange of overheat protector Disconnect the two cables from the PCB JA1 R and JA2 Y where the temperature sensor pos 9 is placed Loose the rear gabie by unscrewing pos 4 Take away the mica lamination pos 10 by unscrewing the two screws pos 5 The cable to the sensor is fastened with a cable tie Cut up this cable tie and pull out the sensor through the insulating Change th
58. inary diameter 1 2 or the Flow Regulator The upper part can be unscrewed to fit a water tap with a larger diameter 3 4 A piece of tubing not supplied attached to the lower part of the water aspirator and directed down into the sink drain will considerably reduce the noise level 3 4 2 7 Wateraspirator supplied with Exhaust 5 tem for DS 20 and 05 40 pp Alternative I see fig 14 Connect the water aspirator directly to the drain pipe 5 with a piece of tubing 1 not supplied Note that the waste pipe must have an air outlet 6 somewhere to prevent counter pressure in the tubing 1 15 Alternative II see 14 15 The lower part of the water aspirator is put through a cover 2 over the sink The air is led out through a hole in the cover via a piece of tubing 3 connected to a fume cupboard or a vent The diameter of this tubing should be about 40 mm The ventilation tubing part no 1000 0516 can be used For both aiternatives the tubing supplied with the Exhaust System should be connected from the manifold to the vacuum connection 4 on the water aspirator Cut the tubing as short as possible It should be just long enough so it can be operated during digestion without bends or kinks Make sure that the manifold can be placed on the digestion tubes when the tubes are placed in the block and that it is possible to lift out the tubes onto the cooling rack with the manifold stiil in place The exhaust must
59. ion System Instruction Manual Rev 2 0 09 95 Part 1000 5548 Tecator AB Sweden 2000 Digestion System Instruction Manual Rev 2 0 09 98 Part 1000 5548 Tecator AB Sweden 3 2 Assembly The Digestion Unit itself comes fully assembled but the rack for the digestion tubes for DS 20 and DS 40 needs to be assembled fig 9 First fasten the two handles in the two upper pairs of holes in the rack Use the screws supplied The handles are asymmetrical Fasten them with the flat side facing down Then fasten the lower plate for the rack in the lower holes Use the screws and nuts supplied Fig 9 Tube racks for 3 2 1 Exhaust System for individual handling of tubes for DS 6 digestion tubes DS 20 and 05 40 The Exhaust System for Individual Handling of tubes for DS 6 must be assembled as follows Use fig 10 for reference Mount the exhaust cap stand in the predrilled holes with two screws and two spacers Attach the stand to the rear of the Digestion Unit using the two screws supplied Referring to fig 10 see that the stand is attached correctly b Moisten with water the six tubing connectors on the glass exhaust receiver pos2 and secure a short tube on each outlet c Slide the glass exhaust receiver into position in the plastic holder Turn the outlet towards the cold water tap to which the Exhaust System later will be connected d Moisten the tubing connectors on the exhaust caps pos3 a
60. is then rectified and transfered to the motor via two relays REL 4 and REL 5 The supply for the electronics 1s fused via F2 T 630 mA then half rectified to Va supply to relays 0 V After the voltage stabiliser IC2 5 0 VDC is supplied to the electronics The external signals are supplied to a PLD Progammable Logic Device via optocouplers The PLD has to be supplied with a clock signal 1 5 kHz to be able to run its internal program 4 2 Service Manual 1000 6346 Rev 1 1 4 3 1 4 4 4 5 Note tecator 2000 Digestion System Functional description Conditions for the motor to move 1 Time is entered on the system timer For details see the users manual 2 Start stop button is pressed 3 Manual switch is pressed upwards or downwards This causes the tube rack to move upwards and take the exhaust rack with it When the two racks pass the upper position switch the two racks are hooked together Both racks move downwards Digestion time start to ellapse when the rack pass the lower position switch Flow regulator 1000 5425 This is a water aspirator with flow control in two steps Two solid state realys are controlling the valve This valve can be in three positions CLOSED FLOW 1 and FLOW 2 The unit is supplied with Mains voltage to the valves Control signals are coming from the Controller unit Controller unit The Controller unit consists of a CPT a LCD display and I O circuits
61. ity at 40 Mains supply voltage fluctuations not exceeding 110 of the rated voltage 9 Transient over voltage category is II which is normal for this type of equipment Pollution degree 2 4 3 Technical Data Installation Requirements Power supply 200 230 V 50 or 60 Hz Power consumption 60 W Water supply 2020 2040 Exhaust system l min for 5 min then 2 6 l min Fig 8 Rear of the 1015 Lift system 4 4 Connectors and Fuses Table below refers to Fig 8 and 9 EN Fuse T 1 6 EN Mains power inlet Power outlet only to be used by the Digestion block 2 Eqvipotential connactor Connector to the Flow Regulator Scrubber unit Fig 9 Rear of the 2015 Lift system 12 Lift Instruction Manual Rev 2 0 11 95 no 1000 5221 Tecator Sweden Lift Instruction Manual Rev 2 0 11 95 Part no 1000 5221 Tecator AB Sweden Fig 10 20150164 4 5 Lifting the instrument The instrument can be lifted by two persons No specific lifting handles needed Arrows shows the lifting points see Fig 10 4 6 Storage amp Transport Repack the instrument with the original packing material to protect it 13 ACCESORIES 1 5 Spore paris Power cable special design 5 2 Fume Removal Systems 1013 010 Scrubber Unit 230V 50 60 Hz for neutralisation of fumes in Kjeldahl digastions It can be combined with any of the Exhaust Systems Up to two Digestors can be connected to
62. l tubes Can easily be mounted on the Lift System 5 5 Kjeltabs types are delivered boxes of 1000 1527 0003 Selenium Tablets with 3 5 g K2504 3 5mg Se 1527 0004 Mercury Tablets with 3 5 K2504 175 mg HgO 1527 0018 Copper Tablets with 3 5 g K2504 400 mg CuSO4 x 5 1627 0001 Selenium Tablets with 1 5 g K2504 7 5 Se 1627 0033 Mercury Tablets with 1 5 K2504 75 mg HgO 1527 0034 Copper Tablets with 1 5 g K2504 150 mg CuSO4 x 6 H20 Other types available upon request However those listed above represent more than 90 of the catalyst tablets used worlwide 5 6 Handling Systems Digestors are delivered complete with one each of the items listed below It may be found convenient to order extra Tube Racks so that all the tubes normally in use in the laboratory are pawed in a rack 1000 4237 Tube Rack for 20 tubes 250 ml This rack fits the 1038 Sampler 1000 0072 Tube Rack for 40 tubes 100 ml 1000 0188 Heat Shield for tube racks with 20 40 test tubes 1000 0538 Retainer Plate for simulianeous washing and drying of 12 tubes in their rack 1000 4424 Retainer Plate for simultaneous washing and drying of 20 tubes in their rack For convenience of operation the Digestion System can be supplemented with the followingarcesssones 1000 0897 Handling Device for test tubes 1000 0424 Stand for rapid cooling when racks with 20 or
63. lion sss 26 5 MAINTENANCE h k k k ERT ER P S P h gt kj 27 5 1 Cleaning of the Digestion tubes 27 2 Maintenance 27 5 2 1 Digestion rne 27 5 2 2 Exhaust system 2 2 22 DA 5 2 3 Scrubber Unit 2001 40702 22222 2 9 27 5 2 3 1 Pre cleaning stage ccc cece emen 28 5 2 3 2 Cleaning air pump NIMM 28 TROUBLE SHOOTING 29 7 TECATOR APPLICATION NOTES SYSTEM 8 TECHNICAL SPECIFICATION IIR RE RRR T LE 3 8 1 2242 2 0 00 00011200 31 8 2 Environmental conditions 31 8 3 Storage and transport 31 9 SALES AND SERVICE AAA 32 9 1 Complete Digestion 32 9 2 Accessories and spare 34 9 3 Manufacturers name and address 36 2000 Digestion System Instruction Manual Rev 2 0 03 95 Part 1000 5548 Tecator Sweden 2000 Digestion System Instruction Manual Rev 2 0
64. ller this 1s done automatically Same as above but for 115 V Exhaust System for the 2006 Digestor complete with water aspirator Same as above but designed for easy handling of each individual tube complemented with a special tube rack for this purpose Exhaust System for the 2012 Digestor complete with water aspirator Exhaust System for the 2020 Digestor complete with water aspirator Exhaust System for the 2040 Digestor complete with water aspirator Can easily be mounted on the Lift System Note All the Exhaust Systems are prepared for connection to the 2000 010 Flow Regulator 33 9 2 Accessories and spare parts Test Tubes Straight model fig A often used for Kjeldahl determination 1000 0155 1000 0158 1000 0825 1000 0735 Size 250 ml set of 6 Same as above but set of 20 Size 100 ml set of 12 Same as above but set of 40 With constriction and volume mark fig used applications where the digest is diluted to volume and an aliquot is taken for tests 1000 0154 1000 0157 1000 0826 1000 0787 Volume mark at 250 ml set of 6 Same as above but set of 20 Volume mark at 100 ml set of 12 Same as above but set of 40 With a ground joint fig for air cooled reflux condensers 1000 0156 1000 0159 Size 250 ml set of 6 Same as above but set of 20 With a ball joint fig D for water cooled reflux condensors 1000 0610 1000 0611 1000 0627 1000 5523 Size
65. ly work to prevent this problem CHARGING Electrostatic charges appears e g when Materials are separated e g paper clothes etc Gases liquids and particles are flowing ACCUMULATION An object which is not electrically earthed can be an accumulator of static electricity This is the step which is the most easily to be controlled It is quite possible to eliminate the accumulation of static electricity by a good connection to protective earth DISCHARGING If an object with a lower potential is brought close enough to the charged object it will allow a discharge of static electricity If the difference in potential is high enough will there be discharge in open air between the two objects CIRCUITS AND ESD SENSITIVITY electronic industry is developing smaller and smaller circuits with an increasing number of functions This increases the sensitivity for static electricity E g a MOS transistor see fig 6 1 the ae 61 Emitter d input pin is isolated from the substrate 4 Collector 5 Silicon by a very thin oxide The oxide has a very oxide 6 P Substrate high resistance but an isolation capacity of only 100 V If this voltage level is exceeded a discharge will take place destroying the oxide layer This will create an internal short circuit and the MOS transistor is probably damaged permanently Service Mannal ESD Hev 1 0 6 1 ESD tecator In the table below some circuits and
66. m Instruction Manual 2 0 09798 Part no 1000 5548 Tecator AB Sweden 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part no 1000 5648 Tecator AB Sweden TROUBLE SHOOTING SCHEME Digestion systems Probable cause _ Corrective measure Lamp in main switch lit up The temperature cut out Try to restore the cut out but not the display thermostat thermostat or contact your Service engineer The display shows a very low The temperature Contact your service value for two minutes then transmitter is broken engineer to replace the temp shows one zero in the middle transmitter The display first shows The temperature has Restore by turning off and on nothing then one zero the exceeded 450 C again middle The display does not show The EE prom is broken Contact your service the set temperature the first engineer to replace the second after power but circuit board shows 100 C instead The lamp in the main switch The semiconductor relay or Check the cables or contact and the display lights up but the rod heater or a your service engineer the digestor does not get hot connection problem Controller Fault Probable cause The Controller d does nc not start Connection p roblem _ Check i the cables _ The unit The unit beeps at intervals at intervals Program fault fault Change unit The unit beeps at intervals one en
67. m should always be used together with an Exhaust System or a Reflux Condensor and it must be installed close to a coid water tap and appropriate power supply Digestion Unit Please check on the back of the unit that the specified voltage agrees with the power supply If a Scrubber unit see Complete Digestion System section 9 1 is used the water supply is not necessary It is always recommended to place the system in a fume cupboard if available 3 4 2 Exhaust System The Exhaust System consists of an exhaust manifold a water aspirator and a stand with a drip pan for the exhaust manifold An optional Flow Regulator can be used in conjuction with the Water Aspirator 13 3 4 2 1 Flow Regulator Connect the upper snap in part of the Flow Regulator to the cold water tap ordinary diameter 1 2 An internal thread in the upper part can be unscrewed to fit a water tap with a larger diameter 3 4 Then screw the water aspirator to the fitting that is underneath the Flow Regulator Connect the mains cable to the wall socket 3 4 2 2 Adjustment ofthe Flow regulator Press the switch to position I Open the water tap to the maximum flow that will be used for the High flow during digestion Turn the knob counter clockwise to the end postion press the switch to position Ii Turn the knob clockwise to the flow that will be used for the LOW flow during digestion It is preferable to make t
68. nd the quality 6 2 Service Manual ESD Rev 1 0 6 8 6 9 fecator ESD ESD PROTECTED AREA RULE 1 An EPA could look like this Place an electrically conductive carpet in front of the work station see fig On the bench is a conductive top placed The carpet and the bench top is conducted to protective earth e The person working at the bench should be connected to protective earth with special wrist band Fig 6 2 EPA ESD Protected rea To protect the person against isolation malfunctions in any apparatus connected to the mains supply all earth connections with a 1MQ protective resistance ESD PROTECTED PACKING RULE 2 There are different types of packing and transport materials for ESD protection Here are three examples Metallic and shielded bags has a metallic film which forms a Farradays cage this prevents charges and fields to penetrate The metallic film normally consists of nickel or aluminium e Velostat M is a black conductive plastic material which is suited to make boxes bags etc Boxes are used when mechanical and ESD protection is desired Antistatical materials are made of chemical processed plastic These materials have no shielding properties These materials are best used for storing of passive components and drawings 6 10 NOTE TO SUPPLIERS RULE 3 Make sure that suppliers follows the basic rules Store components and circuits boards in ESD protected packag
69. nd attach the other end of the tubing Cut off a small piece of tubing 1f necessary so that the exhaust Fig 10 The Exhaust System for caps will rest safely in their holders on the upper part individual handling of the exhaust cap stand e Secure the long special tubing on the outlet to the exhaust receiver f The other end of this tubing is connected to the water aspirator or scrubber unit 11 3 3 Installation requirements This table is translated 2006 and 2012 Digestor Power supply 200 230V 100 115V 50 60 Hz QOO W 5 l min for 5 min then 1 2 min Not needed with Scrubber Power consumption Water supply Exhaust Weight Dimensions LxDxH 28x31x14 Ventilation requirement Exhaust system and Fume hood x O Recommended bench space 2020 and 2040 Digestor Power supply 200 230V 50 60 Hz 1860 W 5 l min for 5 min then 1 2 l min Not needed with Serubber Power consumption Water supply Exhaust o co Weight Dimensions LxDxH Ventilation requirement 32x48x 4 Exhaust System and fume hood Recommended bench space Im or 0 4 m if a Lift is used 2000 Controller Power supply Weight Dimensions LxDxH Flow Regulator Power supply None connects to the Digestor 17 1 3 5 200 230V er 100 115V 50 60 Hz Power consumtion Weight Dimensions LxDxH o aji 2000 Digestion System Instruction Manual Rev 2 0 09 95 Pari no 1000 5548
70. nit to be operated by the Controller Lift Systems As standard all are prepared for the 2000 Controller 2015 020 Lift System complete with accessories for the 2020 Digestor 230 V 50 Hz 2015 021 Same as above but for 60 Hz 2015 040 Lift System complete with accessories for the 2040 Digestor 230 V 50 Hz 2015 041 Same as above but for 60 Hz Fig 26 The Lift System 32 2000 Digestion System instruction Manual Rev 2 0 09 95 Part 1000 5548 Tacator AB Sweden 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part 1000 5548 Tecator AB Sweden Fig 27 Fume Removal Systems Fume Removal Systems 1013 101 A 2001 001 2000 010 2000 011 2006 020 2006 021 2012 020 2020 020 2040 020 G H Scrubber Unit 230 V 50 60 Hz for neutralization of fumes in Kjeldahl digestions It can be combined with any of the Exhaust Systems Up to two Digestors can be connected to one Scrubber Unit For automatic operation by the Controller use the 2000 013 Scrubber Interface Bench top Scrubber unit 100 110 200 230 50 60 Hz for neutralization of fumes in acid digestions 1t can be combined with any of the Exhaust Systems Up to 100 samples without replenishing reagents Fully automatic operation obtained by using the Controller 2000 Flow Regulator 230 V 50 60 Hz Depending on the position of the switch the water flow is HIGH LOW or STOP When connected to the Contro
71. on tubes Make sure that the rack is filled with tubes even if not all contains sample Otherwise the performance of the Exhaust Manifold or Reflux Head will be impaired Place the whole rack in the Digestor 9 Regulate the suction of the Exhaust Manifold Refiux Head to what is required for the application being performed 25 When using Exhaust caps place the cap on top of the digestion tube To have the most effective exhaust each cup should be placed on a tube even if the tube does not contain any sample Alternatively insert a rubber piug in the unused caps Note If the airflow through the Exhaust Manifold or Exhaust caps is too high there is a risk of evaporating acid and or reagent This may cause a loss of nitrogen or of the parameter being analysed 4 6 2 After digestion With Lift System After the programmed time is over the tube rack with Exhaust manifold rises to cooling position To prevent acid dripping onto the Digestor the drip tray should be place before removal of a rack when no digestion is being performed Without Lift System When the digestion is complete lift the tube rack out with the Exhaust Manifold still in place and put it on the optional cooling stand or onto a heat resistant material For rapid cooling a small fan may be used After the cooling place the Exhaust manifold onto the stand including the drip pan to prevent acid from dripping onto t
72. or AB 70 5 263 21 Sweden 1015 Lit tecator Lift 200 240V 50Hz Designation General drawing 10004922 Effective from serial no 1000 5038 1000 5040 1000 5037 1000 5036 1000 4838 1579 0018 1563 0141 1563 0142 1000 5082 1568 0021 1565 0039 1561 0125 1561 0123 1561 0121 1564 0104 1564 0049 1568 0002 1563 0146 1060 4829 1000 4833 1000 4831 1563 0117 1000 3344 1000 4832 1545 0042 1000 4840 1543 0004 1000 4841 1000 4943 1000 4837 1000 4886 1000 4899 1000 4900 1000 4901 1000 4911 1000 4842 1000 4944 1000 4945 1545 0048 1571 0026 1000 4834 trippet cpl Magnet cpl Exhaust arm cpl Panel cpl Panel Timer Switch 250V Switch 220V Relay card Transformer Socket Cable inlet Main cable Earth screw Fuse holder Fuse 1 6AT Mains filter Protecting cover Lift tower Guide bar sensor attachment Sensor Holder Slide bearing Ball bearing Holder for Magnet Magnet Slide nut Guide rod Guide screw Cross bar Lift chassi Gable right Gable left Covering plate Spacer to serial Threaded driving wheel 7 16 Threaded driving wheel 2 44 Threaded driving belt Motor Holder for Motor pa rem __ Rene 1 Parta list Part no 1000 6205 Rev 1 0 1015 Lift tecator 1000 4922 1015005 Gay LIFT Parts list Part no 1000 6205 Rev 1 0 1015 Lift fecator Designation Lift 200 240V 50Hz General drawing 1000 4922
73. or lamp will flash 19 4 3 1 Changing set temperature Press and hold the function key marked The set temperature is changed by pressing and holding down the function keys marked Y The maximum value is 440 and the minimum value is 50 Note If there is any malfunction in the Digestor the display will show an error message 4 4 Preparing samples before digestion Add the weighed sample and the chemicals and or the reagents to the digestion tubes according to the application to be performed Piace the digestion tubes in the tube rack and place it beside the Digestor Check that the Digestor has reached the correct temperature If the Controller is used check that the correct settings are programmed Turn on the water tap fully or as the application requires 9 Hang the heat shields in position on the rack 4 5 Programming the Controller 4 5 1 Storting the Controller When the Digestor is switched on the Controller will beep and go through a check routine for some seconds before the working menu shown in the display 1 XXX YY YY STOP ALS 1 The first step always shown first Set temperature for the first step Set time for the first step in hours and minutes STOP Stop 222 The actual temperature the Digestor 4 5 2 Programming the temperature and time cycles for the Digestor After Power On the fir
74. our Customer Service Laboratory 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part 1000 5543 Tecator AB Sweden 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part 1000 5548 Tecator AB Sweden Fig 2 Fig 4 Digestion unit 2020 BLOC0418 PREPARATIONS FOR USE 3 1 Unpacking and checking Unpack the Digestion Unit and its accessories with care Remove all packing material from the equipment Use the packing list provided with the unit to check that you have received all parts If you have any questions please contact your Tecator representative or Tecator Digestion unit 2006 Position Description Digestor DS 6 2 Heat shield Rack for 6 tubes Digestion unit 2012 Position Description 1 Digestor DS 12 2 Heat shield 9 Rack for 12 tubes 4 Retainer plate Digestion unit 2020 Position Description 1 Digestor DS 20 2 Heat shields 3 Rack for 20 tubes 4 Retainer plate Digestion unit 2040 Position Description 1 Digestor DS 40 2 Heat shields 3 Rack fer 40 tubes 4 Retainer plate Controller unit 2000 001 Position Description 1 Controller unit 2 Cable Cables Flow regulator 2000 010 Position Description 1 Flow regulator 2 Cable Scrubber Unit 2001 001 Position Description 1 Scrubber unit 10 Fig 5 Fig 6 Fig 7 Digestion unit 2040 Controller unit Flow regulator Fig 8 Scrubber unit 2000 Digest
75. overs or panel 5 shouid be removed by qualified personnel only N Warning Modifications alterations rebuilding or use of safety parts not authorized by Tecator AB violates the warranty Tecator AB has no responsibility for damages material or personal occurring as a result of such actions Lift Instruction Manual Rev 2 0 11 25 Part 1000 5221 AB Sweden Lift Instruction Manual Rev 2 0 11 25 Part 1000 5221 Tecator AB Sweden INTRODUCTION The 2015 1015 Lift System in conjunction with Tecator digestion blocks DS 20 or DS 40 enables a highly automated digestion procedure to be performed while minimizing the need to handle heavy tube racks containing hot corrosive acids The built in programmable controller ensures precise and repeatable digestion conditions without the presence of an operator The 2015 1015 Lift System accommodates both the standard Exhaust Manifold and the water cooled Reflux condensors which are accessories to the DS 20 and DS 40 digestion blocks This enables automated reflux techniques such as C O D as well as acid digestions This is particularly useful for water laboratories for example which need to perform both Kjeldahl Nitrogen and C O D on many of their samples The Lift System together with a reflux head also enables an automatic preparation of samples prior to analysis by Automatic Absorption or Continuous Flow instrument PREPARATIONS FOR USE 3 1 Unpackin
76. part no 1000 6205 and for the Parts List 2015 Lift with part no 1000 6206 Service Manual 1000 6346 Rev 1 1 1 2000 Digestion System fecafor This page is intentionally not used C 2 Service Manual 1000 6346 Rev 1 1 51 Parts L e i a 2 e N T 3 c Cz 5 E oS c 5 Q Sweden e 3 ts reserved gh 994 70 5 263 21 right 1 tor AB 2000 Digestion system 1000 5330 1000 5557 1000 5470 1000 5558 1000 5329 1000 5328 1000 5559 1000 5472 1000 5560 1547 0083 1000 5331 1561 0121 1000 5341 1561 0123 1565 0029 1000 5240 1000 5622 1000 5499 1000 5515 1579 0019 1562 0022 1000 5151 1563 0001 1563 0148 1000 5333 1000 5334 1000 5473 1000 5336 1000 5332 1000 5475 1000 5337 1000 5343 1000 5339 1000 5338 1000 5340 1000 5621 1000 5623 Front cpl Front cpi Front cpl Front Outer box Inner box cpl Inner box cpl Inner box cpl Inner box cpl Foot Frame Earthscrew Front Cable stand Cable stand Temperature control PCB Temperature contro PCB Panel foil Panel foil Overheat protector Solid state relay insulating plate Switch mains Temperature sensor Inner box Guide Guide plate Mica lamination Block DS 6 Block DS 12 insulating front Insulating bottom Insulating right Insulatin
77. ram DS12 115V Interconnection diagram DS20 Interconnection diagram DS40 Circuit diagram temp regulator 1 5 Circuit diagram temp regulator 2 5 Circuit diagram temp regulator 3 5 Circuit diagram temp regulator 4 5 Circuit diagram temp regulator 5 5 Block diagram 2000 Digestion System Lift System Interconnection diagram Lift System interconnection diagram Lift System 60Hz Interconnection diagram Lift System Block diagram 2000 Digestor System Controller Component layout Controller Circuit diagram Controller Component layout Flow Regulator Interconnection diagram Flow Regulator 230V interconnection diagram Flow Regulator 115V Circuit diagram Flow Regulator Service Manual 1000 63465 Rev 1 1 2000 Digestion System t LJ OJ 07 DJ LZ bJ Ld J Uy ES US Ed ed tO CO Ld CU Eu CJ CJ td DJ ho bo bo bo Ree O O0 1 CD w bra 1 2000 Digestion System This page is intentionally not used B 2 tecator Service Manual 1000 6345 Rev 1 1 CPU POWER SUPPLY VDD VCC IC11 KO TEMP AMPLIFIER VREF1 A TC TYPE J Jc SOLID Y STATE MAINS RELAY LA Oo D BLOCK DIAGRAM TEMP REGULATOR BLOCO49a iw 29 1 ATA al
78. rmance of the Lift System Digestors The 2000 Digestion System consists of two electrical types of digestors Type 1 Digestor DS 20 40 has all five heating rods connected in series controlled by a sclid state relay Type 2 Digestor DS 6 12 has the two heating rods connected in parallell also controlled by a solid state relay The solid state relay is controlled by the internal temperature regulator Temperature regulator 1000 5240 page 12 8 16 1000 5622 115V The Temperature regulator consists of a microcomputer system with microprocessor 80552 PROM and I O circuits page B 12 The actual temperature is sent from the temperature probe amplifier page B 13 and is processed and displayed page B 15 An EEPROM is used to remember the latest temperature chosen by the operator Page B 13 Atemperature probe type J is connected to Junction JA The signal from the probe is compared to a reference VREF1 and then amplified to 0 4 VDC This signal ADC1 is supplied to the microprocessor Power supply page B 14 Mains is connected to junction JE fused with 160m or FiB T 0 315 mA on the primary side depending on the rating of the mains supplied The voltage is stepped down fused with F2 T 500 and rectified to Vdd 15 28V Vdd is stabilised to Vcc and supplied to the electronics Service Manual 1000 6345 Rev 1 1 4 1 4 3 2000 Digestion System tecator Display page B 15 Asimple binary to 7
79. rrupting the Cycle 3 6 2 1 Changing the digestion time Press the START STOP button see Fig 7 pos 3 when the tube rack is in the lower position then the rack together with the exhaust manifold will move to the cooling position The time for digestion can now be changed by using the knob see Fig 7 pos 4 The rack and exhaust will return to the block when the START STOP button is pressed again 3 6 2 2 Removing the rack Press the START STOP button see Fig 7 pos 3 The rack and the exhaust manifold will move to the cooling position 9 Separate the rack from the exhaust manifold by pressing the Tl button see Fig 7 pos 2 3 Maintenance To prevent acid from dripping onto the Digestion block the drip tray should always be in place before removal of a rack even when no digestion is performed All spillages should be removed immediately from all surfaces to avoid damage to your units Caution Safety gloves eye protection a properly fitting labcoat should be worn at all times li 4 TECHNICAL SPECIFICATIONS 41 Safety The insulation of external inaccessible circuits is reinforced 4 2 Environmental conditions The equipment is designed to be safe at least under the following conditions Indoor use 9 Altitude up to 2000 m Temperature 5 C to 40 e Maximum relative humidity 90 for temperatures up to 31 decreasing linearly to 50 relative humid
80. st step shown is 20 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part no 1000 5548 Tecutor Sweden 2000 Digestion System Instruction Manual Rev 2 0 09 25 Part 1000 5548 Tecator AB Sweden 1 XXX YY YY STOP 222 By pressing Y the desired step is chesen When the desired step is reached and shown in the display the temperature and time can be set for tnat step Changing the temperature Press and hold TEMP press Y to the desired temperature Max 440 C Min 10 C Note The set temperature in the Digestor must be equal to or higher than the highest temperature in any cycle Changing the time Press and hold TIME press V to the desired time Max 99 59 Min 00 00 Note When holding down A and scrolling digits will start moving faster after some seconds When the desired temperature and time are set for this step the next step can be set The procedure is repeated for up to 9 steps Note step where the time is set to 00 00 is called a stop step The programmed cycle will stop at this step and the set temperature will be maintaine To run the digestor at a constant temperature for a prolonged time set the temperature to the desired value and program the time to 00 00 and press run The set temperature will be maintained until shut down of the system is possible to preprogram several cycles starting from different steps 1f stop steps are used
81. ter VII Maintenance and Service in the user manual for 2000 Digestion System and chapter V Maintenance in the user manua for 2015 1015 Lift System Technical updates New rod heaters for Digestion units 2020 and 2040 new type of Rod Heater has been developed for the Digestion units 2020 and 2040 This have caused some further changes in the instrument which means that you are not able to use these new Rod Heater in older instruments Use following part numbers when order Rod Heater as a spare part Prod Voltage Power Serial No Part No no V W 16 20 1015 50 500 from 4015 10002889 1015 1000 2890 DS 40 1016 50 500 650 10002889 05 40 1016 40 1400 from650 1000 2890 2020 52 500 from 16297 1000 5624 2020 42 ___ 400 from 16297 1000 5625 DS 40 2040 52 500 100 1000 5624 1000 5625 DS 20 2020 500 1000 6071 400 from 16604 1000 6072 500 from 158 1000 6071 42 _ 400 from 158 10006072 Bo Service Manual 1000 6345 Rev 1 1 5 1 5 3 5 3 1 2000 Digestion System tecator Replacement instructions DS 20 40 Exchange of overheat prolector gt tor First check that the relay not has been activated If it has reset it by pushing the green reset button pos 10 Disconnect the Digestor from the main supply Unscrew the two screws pos 1 holding the rim Unscrew
82. the wings Shorten the tubing as much as possible to minimize the length between the exhaust manifold in the upper position and the water aspirator This prevents drain traps Connect the other end of the tubing to the water aspirator or to the Scrubber 3 3 Spacer When DS 40 is Used Mount the spacer see Fig 3 pos 1 so that the bevel is facing away from the Lift Tighten the screws 3 4 Mounting the Guide Plate Only 1015 Lift System The guide plate see Fig 4 1 is assembled so that the angle iron pos 2 on the guide plate is placed at the rear of the opening on the cover of the block Hold the guide plate a l ttle above the biock and place the angle iron on the quide plate Position the angle iron so that it can hook under the cover of the block at the front Tighten the screws to secure the iron angle to the guide plate Use a rack loaded with tubes to check that the tubes move freely into and out of the holes in the block If necessary adjust the postion of the guide plate 3 5 Mounting the Exhaust Manifold Mount the exhaust manifold see Fig 5 pos 3 between threaded plates pos 1 and the wings pos 4 using the knurled Screws see pos 2 Check with a rack loaded with tubes that the tubes move freely Tighten the knurled screws hat stated Note Before connecting the grounded power supply make sure ith f that the mains voltage in the boratory agrees wi on the back of th
83. their ESD sensitivity is mentioned 250 2000 Note Even diodes and resistors are sensitive to ESD 6 6 6 7 STATIC ELECTRICITY BUILD UP Static electricity is always present in our environment e g on working surfaces floors chairs packing material plastic bags etc The human being is the greatest threat to the circuits person who walks across a floor or works at a bench could generate an electrostatic charge of several thousands of volts see table below Voltage humidity Person Person walking a carpet on a carpet 35 000 1 500 Person walking on PVC floor 12 000 Working at a bench 6 000 Plastic folder 7 000 6000 CONTROL AND PROTECTION Accumulation of electrostatic charges in electric conducting materials may be effectively prevented This is done via a connection to protective earth Insulated materials can not be electrically connected to protective earth the electrostatic charge is stored until it is discharged or neutralised with ionised air If the rules mentioned below are followed and an effective electrostatic protection will be obtained Handle all electrostatical sensitivity materials in an EPA ESD Protected Area Transport all ESD sensitivity material in a shielded box or bag Such containers has to protect against ESD and a static field Make sure that your supplier follows these basic four rules Control and check the ESD protection to secure the function a
84. ty Tecator AB has no responsibility for damages material or personal occurring as a result of such actions 2000 Digeatlon System Instruction Manual Rev 2 0 09 95 Part no 1000 5548 Tecator AB Sweden 2000 Digestion System Instruction Manual Rev 2 0 08 95 Part 1000 5548 Tecator AB Sweden INTRODUCTION 2 1 Brief description This manual covers the different types of Digestion Systems Control Systems Fume Removal Systems and Accessories for digestion supplied by Tecator The basis of Tecator s Digestion Systems is one of the four Digestion Units 2006 2012 2020 and 2040 They are convenient tools for digestion sample preparation within a range of 50 440 C To remove the fumes generated during digestion different Exhaust Systems can be combined with the digestor By adding a Flow Regulator or a Scrubber Unit to the Exhaust System the water flow can be controlled automatically For eliminating emission of corrosive gases in the laboratory and to the environment a Scrubber should be used The unit also eliminates the need for a separate water supply for the exhaust system The Digestion System is a part of the Kjeltec system and can be combined with suitable Distilling and Titration Units to run determinations of nitrogen protein in accordance with officiai methods It can as well be used for other wet digestions in a number of different applications To simplify the handling and timing the 2015 Lift
85. up to 31 C decreasing linearly to 50 relative humidity at 40 C Mains supply voltage fluctuations not exceeding 110 of the rated voltage Transient overvoltage category is II which is normal for this type of equipment Pollution degree 2 8 3 Storage and transport Lift the instrument 2020 and 2040 Digestor according to figure 23 Weight 19 kg 81 EN SALES AND SERVICE 9 1 Complete Digestion system Tecator s Digestion Systems are easily expandable to meet future needs by adding suitable components from the list below Digestion units Equipped with a built in electronic temperature control 100 440 C and digital display s standard all are prepared for the 2000 Controller and complete with tube rack heat shields and washing plate Fig 24 The Digestion Unit 2006 001 Digestor for up to 6 test tubes size 250 m1 230 V 50 60 Hz 2006 002 Same as above but for 115 V 50 60 Hz 2012 001 Digestor for up to 12 test tubes size 100 ml 230 V 50 60 Hz 2012 002 Same as above but for 115 V 50 60 Hz 2020 001 Digestor for up to 20 test tubes size 250 ml 230 V 50 60 Hz 2040 001 Digestor for up to 40 test tubes size 100 ml 230 V 50 60 Hz Control Systems 2000 001 Controller with nine programmable temperatures 50 440 and time steps May be used in combination with any of the Digestors Powered from the Digestor 2000 013 Scrubber Interface 230V 50 60 Hz Allows the 1013 Scrubber U
86. wheel pos 36 Replace the guide screw pos 26 and the slide nut pos 22 Replacement of the ball bearing pos 19 Mark the postion of the support to the ball bearing Loosen the screws securing the support to the ball bearing pos 18 Replace the ball bearing Assemble in the reverse order Perform a test run Service Manual 1000 6346 Rev 1 1 2000 Digestion System tecator Fig 5 10 5 18 Service Manual 1000 6345 Rev 1 1 5 6 5 6 1 5 6 2 5 7 2000 Digestion System tecator Replacement instructions 2001 Scrubber Exchange of fuses There are three fuses in the 2001 Scrubber One fuse rated T 2 5 A see Fig 5 11 pos 1 The two other fuses are located in the power supply inlet see Fig 5 11 pos 2 ratings see Table below Exchange of air pump motor and valve Disconnect the Scrubber from mains power Remove the rear cover Replace the faulty part Assemble in reverse order Perform a test run QE CO Controller unit 2000 If the Controller is broken replace the entire unit 5 14 Service Manual 1000 6345 Rev 1 1 6 1 6 2 6 3 6 4 6 5 B tecator ESD ATTENTION Circuit boards and ElectroStatic Discharges ESD STATIC ELECTRICITY CAN BE CONTROLLED Static electricity is developed by positive and negative charges and depends on the variation between these charges With the knowledge of how static electricity is formed 1 is possible in the dai
87. yatem or to Flow Regulator or to Scrubber Unit C to PC D adjustment of contrast of display E to Digestion Unit 2000 Digestion System Instruction Manual Rev 2 0 09 95 Part no 1000 5548 Tecator AB Swaden 2000 Digestion System instruction Manual Rev 2 0 09 95 Part no 1000 5548 Tecator AB Sweden that hold the plate at the back of the unit Then turn the piate 180 degrees and screw back the four nuts Note Avoid placing the controller in the fume cupboard as accidental spillage of acid can cause damage 3 4 3 1 Checking and changing set Digestor type When you turn on the power you will see the type of Digestor that is preprogrammed for a few seconds in the display DS XX V5 2A 000000 To check the type of Digestor that is preprogrammed proceed as follows Press TEMP and while holding TEMP press RUN STOP The display shows in this example that the controlier is set for a DS 20 TECATOR DS 20 00 06 12 20 40 If the Digestor type shown in the display of the Controller is not the Digestor that to be used the following steps have to be taken Press the W button up or down to change the Digestor type Press RUN STOP to confirm set Digestor type and then the Controller returns to the working menu Fil T XXX YY YY STOP 222 00 is used when heat sources other than Tecator _ Digestors are connected to the Controller 17 3 5 Function

Service Manual 2000 Digestion Unit

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