ELTRA CS-2000 Service Manual Download Page 147

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Miscellaneous

147

6.3.4 Valve contolling

Summary of Contents for CS-2000

Page 1: ... Eltra GmbH 42781 Haan Retsch Allee 1 5 Germany 08 08 2016 Version 0001 Service Manual CS 2000 Carbon Sulfur Determinator Translation ...

Page 2: ...2 Copyright Copyright by Eltra GmbH Retsch Allee 1 5 D 42781 Haan Germany ...

Page 3: ... 1 Induction furnace operation 38 3 10 2 Other faults 39 3 10 3 Resistance furnace operation 39 3 11 IR cell temperature control is out of range 39 3 12 Breaker turns off at the beginning of combustion 39 3 13 Breaker turns off at the end of the analysis 43 3 14 Dustcloud when opening the furnace 44 3 15 No or low oxygen pressure 45 3 16 Waiting for stability message 47 3 17 Combustion tube breaks...

Page 4: ...tage setting 83 4 4 Infrared cell temperature regulation 84 4 5 Pneumatics 86 4 6 Pressure regulation 90 4 7 Closing cone adjustment 92 4 8 Linearity correction 93 4 9 Induction generator control 94 4 10 Resistance furnace 96 4 10 1 Setting the furnace regulation card TH 43 TH 44 96 4 10 2 Furnace regulation board TH 43 TH 44 97 4 11 Thermocouple testing 98 5 Service 99 5 1 IR paths cleaning and r...

Page 5: ...cell internal signals 142 6 2 7 Amplitude circle 143 6 3 Gas flow diagrams 144 6 3 1 Gas flow for induction furnace when furnace is closed 144 6 3 2 Gas flow for induction furnace when furnace is open 145 6 3 3 Gas flow for resistance furnace 146 6 3 4 Valve contolling 147 6 4 Spare parts kits 148 6 4 1 Common spare parts kti for all analysers 148 6 4 2 Spare Parts kit for CS2000 including spare p...

Page 6: ...Notes on service instructions 6 ...

Page 7: ...angers are to be avoided We also use the following signal word box in the text or in the instructions on action to be taken DANGER Serious injury may result from failing to heed these safety warnings We give you the following warnings and corresponding content WARNING Type of danger personal injury Source of danger Possible consequences if the dangers are not observed Instructions on how the dange...

Page 8: ...scillator of the CS800 2000 it is necessary to ensure that the oscillator has no stored energy This is achieved by short circuiting the various potentials Attention This activity may only be carried out by a qualified electrician with sound knowledge of the CS800 2000 devices Only the Eltra discharge set Order Number 11001 2005 may be used for discharging The discharge set must always be inspected...

Page 9: ...Discharging the oscillator 9 Implementation Disconnect the mains plug Use a multimeter to check that the device is voltage free Remove the housing cover on the device and disconnect the GND connector ...

Page 10: ... ground a multimeter is used to ensures that the transition resistance of the set to the device ground is low R 1 Ohm To do this one of the measuring tip on the multimeter is held on the protective earth of the device The other measuring tip is connected to the tip of the discharge set Attention The oscillator cover must be removed carefully to expose the transformer connectors ...

Page 11: ... transformer for approx 5s It is necessary to ensure that the tip stays on each contact for the full 5s Attention All marked components inside the oscillator are short circuited to ground using the measuring tip Pos 4 0015 ELTR A Seitenumbruch 6 mod_1368796429449_0 docx 41468 1 Pos 2 0010 ELTR A Seitenumbruch 6 mod_1368796429449_0 docx 41468 1 ...

Page 12: ...showing the base lines moving from the left to the right time coordinate In the middle of the right end of this base lines window there is a small button After clicking on it a new window appears displaying the base line voltages described as Inputs and their Averages The description Inputs is made from the software point of view The outputs of the cells are inputs for the microcontroller board an...

Page 13: ... the results are correct If a base line is below 9 5V an adjustment should be done as advised above If this is not possible then most probably there is a fault or a very strong contamination See chapter 4 1 IR paths cleaning In case of contamination all cells available should have very low voltages even negative ones If all available cells are below 9 5V there is most probably a fault that is comm...

Page 14: ...locked chemicals 2 Blocked furnace outlet 3 Blocked paper filters 3 Too low oxygen pressure 4 Blocked lance hole over the crucible 4 The outlet tap of the oxygen bottle is not properly open 5 Blocked hole of the ceramic heat shield 5 A heavy item is placed on the plastic tube of the oxygen supply 6 Too low oxygen pressure 6 Twisted plastic tube inside the analyzer 7 The outlet tap of the oxygen bo...

Page 15: ...ocked paper filters The paper filters are small so that they are frequently forgotten or neglected although they can block the flow when they are not replaced for long Blocked lance hole over the crucible The hole in the ceramic heat shield over the crucible in the induction furnace can be restricted or blocked Clean by using the brass brush as described in the operation manual If this may not be ...

Page 16: ...oid valves can be contaminated up to the extent of failing This depends mainly on the amount of sulfur and moisture in the sample The most affected valves are the outflow valve V1 and the bypass valve V4 in as well as the valves switching from Induction to resistance furnace V11 and V12 See chapter Gas flow system The resistance furnace operation can only contaminate V11 and V12 The valves can be ...

Page 17: ...roller consists of 3 components Induction furnace operation 1 The flow sensor 2 The board HF 42 The lower half of the board only 3 The proportional valve V6 see chapter Gas flow system 4 Interferences from the induction generator See chapter Analysis takes too long RF interference on the IR cell or on the electronic units The electronic devices involved in the flow regulation are the board HF 42 a...

Page 18: ...ow system Pos 3 6 0025 Ü berschriften ELTR A 1 1 Ü berschriften 11 N o combustion 9 mod_1425544797746_9 docx 74944 2 1 3 3 No combustion Pos 3 7 0010 ELTR A 0015 ser vice_i nstr uctions CS 2000_ser vice 05Faul ts_C S 2000 0515 M odul No combustion 9 mod_1425539352573_9 docx 74117 33333334444444 1 3 3 1 Induction furnace operation After clicking START of analysis or pressing F5 but the sample doesn...

Page 19: ...ange Click the Base line Icon and check Fig 10 Base line icon Integration delay The message Integration delay appears for as many seconds as entered in the configuration window Reasonable range is something between zero and 5 seconds When the integration delay starts the induction generator starts at the same time In other words the software starts the integration delay and the generator at the sa...

Page 20: ...ggering pulses must appear on the TP13 test point If there is no oscilloscope available you can test this with a digital voltmeter The displayed value depends on what type of digital voltmeter you have There must be a voltage increase on TP13 once the word Analyzing has appeared on the display or once 0 5 V are present on TP9 When no voltage increase occurs on TP13 despite having 0 5 V on TP9 the ...

Page 21: ...f the glowing filaments heater of the cathode should be visible Fig 13 Air vent holes of the furnace 3 The filament of the generator tube doesn t glow Check the voltage of the filament on the transformer there should be 10 V AC on the secondary If not then measure 220 V AC on the primary leads 2 3 NOTICE Set the power switch to pos 1 before removing the tube although it would be best to completely...

Page 22: ...whether the filament is faulty at the filament connections only 1 Ohm must be measured A very high or infinitive resistance means that the filament is burnt through and the tube needs to be replaced 10 VAC 220 VAC between contact 2 and 3 ...

Page 23: ...his can damage the tube Therefore when you start for testing whether there is combustion keep your finger on the STOP button If the sample does not start burning about 3 seconds after the generator starts then immediately stop the analysis One thing that will give further evidence is the current taken by the analyzer from the mains power If the current goes up to a level of about 10A then a faulty...

Page 24: ... Never try to measure the voltage here Due to high voltage in the range of 7000 Volts amplitude there should be no measurement on the rectifier under power If no spare rectifier available to exchange then test by using a scope according to the following drawing Fig 16 Rectifier about 4000 Ω Rectifier 220 VAC Adjustable transformer 220 VAC Insulating transformer ...

Page 25: ...rcuit to ensure all screws are turned tightly especially all the cap screws on the combustion coil The electrical connections and resistors should be checked with an ohmmeter If the resistor 2 7K 100W 3 is open circuit then there is no oscillation but also no power consumption The tube doesn t take any current at all The parts e g tube and rectifier should be replaced one by one 6 The ground conne...

Page 26: ...on the new tube may not be able to oscillate For testing after installing the new tube put crucible with sample and accelerators into the furnace like you use to do with every normal analysis After starting analysis watch carefully the furnace to see the light of the burning sample accelerators If a couple of seconds after generator start transformer noise base lines for peak on the PC screen ther...

Page 27: ...Resitance furnace operation Pos 3 8 0025 Ü berschriften ELTR A 1 1 Ü berschriften 11 Bad combusti on ELTRA 6 mod_1368608656440_9 docx 40248 2 1 3 4 Bad combustion Pos 3 9 0010 ELTR A 0015 ser vice_i nstr uctions CS 2000_ser vice 05Faul ts_C S 2000 0520 M odul Bad combusti on 9 mod_1425539443621_9 docx 74129 33 1 3 4 1 Induction furnace operation In most cases the reasons for bad combustion are Pro...

Page 28: ...er to make sure that the junction of the thermocouple wires to the cable does not become hot A thermocouple length of 50 cm is appropriate In case the furnace temperature is over 1000 C the thermocouple has to be of type S It is not usual to have it in this length available If a 300mm type S thermocouple is available a compromise is to enter the tip up to the beginning of the hot zone to prevent t...

Page 29: ...d Replace the thermocouple See chapter Thermocouple replacement Bad combustion The furnace temperature is too low see chapters Resistance furnace doesn t reach full temperature and The resistance furnace is too cold or too hot The sample contains a substance that doesn t burn easily Some materials contain sulfur compounds which are very difficult to burn i e they need higher temperature than 1550 ...

Page 30: ...od_1368610904372_9 docx 40292 2 1 3 5 Furnace does not close Pos 3 11 0010 ELTR A 0015 service_instructions C S 2000_ser vice 05Faults_C S 2000 0530 M odul The inducti on fur nace does not cl ose 9 mod_1425539561623_9 docx 74153 1 Fig 22 Pneumatics schematically 1 2 3 4 6 7 8 V7 V10 V8 13 12 14 15 11190 ...

Page 31: ...ut shaking while a person still can stop the moving furnace floor with only one hand This is a safety precaution Repeat above instruction until the adjustment is completed Now the upward speed is fast enough yet safe for the operator The pressure regulator 8 is found on the inside on the right side section of the analyzer installed on the rear panel One of the pneumatic valves V7 or V10 or both is...

Page 32: ...the maximum analysis time expires This time is also entered in the configuration window The analysis stops also when the maximum analysis time expires before the signal comes down to the comparator level The meaning of setting a maximum analysis time is to protect the induction generator from overheating in case the signal may not come down to the comparator level One reason why the signal not to ...

Page 33: ...not seal properly with the plates 4 and 5 or with the contract straps behind it on the front panel 6 One or both filters 7 are not OK The filter 11 can also be damaged in this way When the ground strip 12 is not connected after removal or replacement of the oscillator the filters 7 will defect In this case the drift appears after the generator is started In order to find out whether is high freque...

Page 34: ...e The baseline of the IR cells can then be monitored on the PC screen See Software helps The baselines should be quite stable The drift within the usual time of analysis should be in the range of 2 to 5mv depending on the path lengths Remark Drift is the average of the noise Due to the fact that the IR sources are connected in series if one of them is damaged a typical effect is that all base line...

Page 35: ...d Also the tungsten tin mixture shouldn t be used Almost all different materials can be analyzed without the need of tin accelerators See Operation Manual chapter Applications Usage of other materials Cast iron causes brown dust during the analysis When the dust is yellow too much tungsten is used as accelerator If the dust is brown too much iron accelerator is used See Operation Manual chapter Ap...

Page 36: ...e is saturated Replace the complete contents of the glass tube after the corresponding furnace There is sulphuric acid in the combustion tube of the resistance furnace Replace the combustion tube see chapter Replacing the combustion tube If the combustion tube 4 was in use for a very long time and many samples with high Sulfur were analyzed then sulfuric acid may build up in the rear side of the c...

Page 37: ...40380 2 1 3 9 The results are always 0 0000 or 00 0ppm Pos 3 19 0010 ELTR A 0015 service_instructions C S 2000_ser vice 05Faults_C S 2000 0555 M odul The results ar e al ways 0 0000 or 00 0ppm 9 mod_1425539815442_9 docx 74213 1 Pos 3 20 0025 Überschriften ELTRA 1 1 Überschriften 11 N o oxygen flow 7 mod_1380623315133_9 docx 49429 2 1 ...

Page 38: ...as flow controller The tubes of the flow sensor are interchanged input output See chapter Gas flow diagrams The outflow valve V1 does not close Open the left side panel of the analyzer When the furnace is closed the lift is up no oxygen should be flowing out of the lower free opening of the valve See chapter Gas flow diagrams This can be checked by putting your finger under the lower opening of th...

Page 39: ...evice state the graphs of IR temperature C or IR are not in the green area adjust the temperature See chapter IR cell temperature control Fig 27 Device state Thermostatic control reports 0 or 100 power The percentage of power required by the thermostatic control is displayed in the Device State Window The power is 100 after switching on from cold while heating up It takes about 30 minutes for the ...

Page 40: ...t circuit occurs After the cables 1 have been connected plug the analyzer to the mains power again Set the power switch to pos 3 Enter a weight manually for example 500 mg Press START The word Analyzing should appear in the status window If not but Waiting for stability appears instead the reason is that after restarting the device and the oxygen flow the infrared base line is drifting In order to...

Page 41: ...lts Plug in the mains power plug to power the analyzer A new analysis should be started When Analyzing appears and the fuse is not damaged as well as the mains power current didn t exceed 10 A RMS then the transformer is functioning properly Otherwise replace the transformer The cables 4 and 5 are then reconnected If the problem still remains Unplug the analyzer from the mains power The cable 7 is...

Page 42: ...ay from any objects The wire 1 and the copper band 2 for example should be placed far away from the plate 3 The power cable 4 should have a maximum distance from any surrounding object The copper band 5 should be placed as far as possible away from the capacitor 6 This is why the copper band 5 should always be bent around the insulator 7 If the tube 8 needs to be replaced loosen the screw 9 and pu...

Page 43: ...000_ser vice 05Faults_C S 2000 0575 M odul Breaker turns off at the end of anal ysis 9 mod_1425540062314_9 docx 74261 1 Causes The triac is malfunctioning The so called Latch up effect causes the triac to remain conductive in one direction after triggering The transformer is then acting as a short circuit because it is fed with a DC voltage Replace the TRIAC Pos 3 28 0025 Überschriften ELTRA 1 1 Ü...

Page 44: ...2 closes the oxygen supply to the furnace Valve V1 opens releasing the pressure from the furnace through the dust trap 3 through the moisture trap 4 and through the filter cartridge 1 into the open air in the direction of the arrow Following this the pneumatic valve shuts and the furnace opens lift downwards When dust comes out of the furnace after this process this will cause that the pressure in...

Page 45: ...witched off One of the valves V1 or V2 jumps most likely valve V1 Clean the valves Pos 3 30 0025 Überschriften ELTRA 1 1 Überschriften 11 N o or low oxyg en pr essure ELTRA 6 mod_1368695090291_9 docx 41086 2 1 3 15 No or low oxygen pressure Pos 3 31 0010 ELTR A 0015 service_instructions C S 2000_ser vice 05Faults_C S 2000 0585 M odul N o or low oxyg en pr essure 9 mod_1425540163981_9 docx 74285 33...

Page 46: ...ock 3 is properly shut or else the O ring 4 will not seal Check if the O ring 4 is in a good condition Check if the combustion tube is broken or cracked Do leakage check See chapter Leak checking Check if the chemicals are saturated and have become hard The paper filter could also be the cause For changing the paper filter read the operating manual See chapter Fluctuating gas flow The contents of ...

Page 47: ...e closes too slowly adjust according to chapter Pneumatics The furnace does not close see chapter The induction furnace does not close Pos 3 32 0025 Überschriften ELTRA 1 1 Überschriften 11 Waiting for stability message 9 mod_1421835931277_9 docx 72389 2 1 3 16 Waiting for stability message Pos 3 33 0010 ELTR A 0015 service_instructions C S 2000_ser vice 05Faults_C S 2000 0590 M odul Waiting for s...

Page 48: ...the IRC board change it 3 Too high drift Another reason for report of instability is a too high drift of at least one cell so that the signal of one cell reaches the end of the set window mV A drift can be due to temperature changes of the IR cell It happens when the cell temperature is still not stable after switching on the power When switching on the power after long break so that the cell is c...

Page 49: ...ns C S 2000_ser vice 05Faults_C S 2000 0606 M odul Oxygen pressur e falls when the i nducti on furnace opens 9 mod_1426585710647_9 docx 75806 1 Fig 35 Pressure gauge Regardless of whether the furnace is opened or closed the oxygen pressure shown on the pressure gauge 2 must remain 1 5 bar 22 5 psi constant If however the oxygen pressure falls when the furnace is open then either the valve V2 is de...

Page 50: ... Überschriften 11 C ombusti on without starting anal ysis ELTR A 6 mod_1368706920531_9 docx 41209 2 1 3 19 Combustion without starting analysis Pos 3 39 0010 ELTR A 0015 service_instructions C S 2000_ser vice 05Faults_C S 2000 0610 M odul C ombusti on without starting anal ysis 9 mod_1425540917709_9 docx 74345 1 Induction furnace operation In this case the combustion of the sample begins immediate...

Page 51: ... The generator is again OFF when this voltage goes again to 12VDC The drivers of the microcontroller board are out of order when the combustion starts without pressing F5 or clicking START and when without Analyzing on the screen there is only 0 5V DC or lower on TP9 instead of 12V DC Replace the electronic drivers Fig 39 Microcontroller board TP13 ...

Page 52: ...age Excessive sample and or accelerator weight The use of a sample or accelerator that requires lower generator power In this case reduce the generator power in case of induction furnace See chapter Induction generator control 3 20 2 Resitance furnace In case of resistance furnace the boat melts when there is excessive amount of metal in the combustion boat The dangerous thing is that the molted m...

Page 53: ...ng oxygen to the analyzer is squashed or the oxygen regulator is not properly open Fig 41 Oxygen gauge Fig 42 Oxygen regulator Pos 3 44 0025 Überschriften ELTRA 1 1 Überschriften 11 Pump voltage too high 9 mod_1425548769110_9 docx 74988 2 1 6 ...

Page 54: ... of the flow due to growing saturation of the chemicals Values over 10V or even up to 15V are not critical In case of higher voltages it is advisable to replace the magnesium perchlorate And if this doesn t help check for restrictions due to contamination A typical example for this fault could be a combined partial blockage of the glass tube 22 and of the combustion tube outlet 36 Make sure that t...

Page 55: ...Faults 55 1 Carrier gas inlet 2 Pressure regulator 3 Pressure regulator 33 27 26 25 7 38 38 16 15 4 24 12 29 31 30 10 14 9 20 22 21 36 32 35 5 19 3 17 13 28 37 6 1 2 18 34 23 11 ...

Page 56: ... Furnace input flow meter 35 Furnace inlet oxygen 36 Furnace outlet measuring gas 37 Flow sensor Detailed explanation of the faults indicated in the flow diagram 1 Blockage of the lower connection of the glass tube 22 The bore hole of the lower connection of the glass tube 22 can get blocked when there isn t enough quartz wool at the bottom end of the glass tube 22 enabling fine particles of the m...

Page 57: ... also below is not properly sealed or the gas flow meter 20 has a crack at the fittings for the tube connections Disconnect the gas flow gauge and check for cracks 4 Blockage in the lower connection of the thick glass tube 22 If there is not enough quartz wool used underneath the magnesium perchlorate fine particles fall down to the glass fitting causing blockage in its hole Remove the glass tube ...

Page 58: ...takes too long to warm up Pos 3 47 0010 ELTR A 0015 service_instructions C S 2000_ser vice 05Faults_C S 2000 0630 M odul R esistance furnace takes too long to war m up 9 mod_1425541083085_9 docx 74393 1 Normal warm up time from room temperature to 1300 C in 15 20 min unless the current limit on the board is set for lower heating up current Faulty heating elements Investigate the problem the follow...

Page 59: ...ts_C S 2000 0635 M odule Neg ati ve drift after start 9 mod_1425541130275_9 docx 74405 1 This problem can appear in resistance furnace operation when some material from previous samples fall off the combustion boat when shifted into the furnace Then when removing the boat out of the furnace the hot combustion boat may touch and burn this material causing an unwanted small peak on the base line If ...

Page 60: ...rnace completly cold or too hot Pos 3 51 0010 ELTR A 0015 service_instructions C S 2000_ser vice 05Faults_C S 2000 0640 M odule Resistance fur nace completel y col d or too hot 9 mod_1425541165983_9 docx 74417 1 Fig 48 Furnace temperature problem Pos 3 52 0025 Überschriften ELTRA 1 1 Überschriften 11 Fumes in the resistance furnace 9 mod_1425626045991_9 docx 75128 2 1 ...

Page 61: ... loud bang and with a flame shooting out of the combustion tube The explosive gases consist of carbon monoxide from carbon in the sample and very little oxygen from the air which was in the combustion tube and of volatiles driven out of the sample by the temperature without burning due to missing of oxygen Other possible reasons It is a sign of bad combustion See chapter Bad combustion The furnace...

Page 62: ... Resistance furnace takes too long to warm up Pos 3 56 0025 Überschriften ELTRA 1 1 Überschriften 11 U nstable r esistance furnace temperatur 9 mod_1425626418438_9 docx 75152 2 1 3 28 Unstable resistance furnace temperatur Pos 3 57 0010 ELTR A 0015 service_instructions C S 2000_ser vice 05Faults_C S 2000 0655 M odul U nstable r esistance furnace temperatur e 9 mod_1425541401855_9 docx 74453 1 The ...

Page 63: ... too high If a sample burns explosively then there could be a shortage of oxygen This can cause some soot or oil vapors that pass through the hot zone of the furnace without burning It is necessary to reduce the weight of the sample e g to 100mg or even to 50mg If the weight reduction doesn t help then operate differently by shifting the boat slowly towards the beginning of the hot zone of the fur...

Page 64: ...l y 9 mod_1425626989348_9 docx 75188 2 1 3 31 Analysis cycle stops too early Pos 3 63 0010 ELTR A 0015 service_instructions C S 2000_ser vice 05Faults_C S 2000 0670 M odul The anal ysis cycle stops too earl y 9 mod_1425541597042_9 docx 74501 1 The minimum analysis time is set too short in the configuration window so that the analysis time expires before the peak starts coming up Normally the peak ...

Page 65: ...he motor or the IRC board has to be replaced Before replacing check at least the voltages on the board mainly the supply voltage of 24VDC See chapter Infrared cell adjustments For replacing the chopper see chapter Chopper Pos 3 66 0025 Überschriften ELTRA 1 1 Überschriften 11 Sample burns but no peak on the screen 7 mod_1381400077047_9 docx 49828 2 1 3 33 Sample burns but no peak on the screen Pos...

Page 66: ...oes not come down to the base line 9 mod_1425541763229_9 docx 74537 3333 1 There are several different reasons for this effect 1 Long combustion of a very low carbon sample Fig 51 Programm screenshot graph example 1 It appears like a long tailing at the end of the peak It appears in the low carbon range only and the distance to the base line is in the range of 10 to 50mV Depending on the blanks of...

Page 67: ...have a tailing due to combustion gases entering the chopper housing causing permanent IR absorption for all cells available If the faulty window is on the IR sensor side there is tailing of the damaged cell only Solution Replace the part having the faulty window Replacing the window only is rather tricky because the window should be available the faulty window must be removed the surface for gluin...

Page 68: ...econds set in the software configuration window After expiring of T2 and T3 V3 closes the oxygen to normally continue being supplied by the lance valve V2 until the end of analysis But if V2 blocks there is no flow any more so that the combustion gases remain in the IR paths constantly absorbing IR Radiation In this case the shape of the IR signals is repeatable as long as T2 and T3 remain unchang...

Page 69: ...he flow blockage was not permanent This can happen for example when the plunger of the valve V2 may shake due to contamination enabling occasionally more or less or no flow at all during one combustion Pos 4 0010 ELTR A Seitenumbruch 6 mod_1368796429449_0 docx 41468 1 ...

Page 70: ...n furnace operation Gas flow controller adjustment Fig 55 Gas flow controller Set the flow rate with P1 of the HF 42 to about 180 l h Observe the flow rate on the lower flow meter of the analyzer Wait until the value is stable The output of the flow sensor is on TP10 of the HF 42 board TP15 is GND With a flow of 180 l h the voltage is about 2 5 3V NOTE without flow the output voltage of the sensor...

Page 71: ...rt and stop the flow enabling gas saving mode When moving the jumper to B1 B2 for On board flow enable the flow will start and stop with the analysis begin and the analysis end in other words there is flow only during analysis This can be interesting for older analyzers without gas saving function in their software when they are used in automations running analyses only once in a while with long a...

Page 72: ...Adjustments 72 Fig 57 Gas flow regulation The flow controller mainly consists of the following components ...

Page 73: ...ve In normal operation with a flow of about 180 l h and with not depleted chemicals the DC voltage across the valve coil is around 10V This voltage can be measured between TP3 and TP17 This voltage on the valve has the value needed at any moment for keeping the flow constant in other words for keeping the sensor voltage equal to the value set with P1 4 1 2 Flow controller for resistance furnace op...

Page 74: ...window lies between 5V to 8V TP6 Flow sensor output voltage This voltage is displayed on the PC screen in the device state window next to the flow rate in L h R6 Flow rate adjustment The flow rate can be adjusted by turning this trimmer clockwise for higher and counter clockwise for lower flow rate R13 Pump frequency adjustment The pumping frequency of the pump can be adjusted by turning this trim...

Page 75: ... drawings below and chapter Ordering numbers Fig 59 New flow sensor Fig 60 Old flow sensor Pos 5 4 0025 Ü berschriften ELTR A 1 1 Ü berschriften 11 Infrar ed base line adj ustments ELTRA 6 mod_1369121936836_9 docx 41542 2 1 4 2 Infrared base line adjustments Pos 5 5 0010 ELTR A 0015 ser vice_i nstr uctions CS 2000_ser vice 10Adj ustments_CS 2000 1010 Modul Infrar ed baseline 9 mod_1425542384792_9 ...

Page 76: ...vels below 8V depending on the grade of contamination The negative output peaks of the cell will also change to smaller amplitude The base line is not regulated any more Due to a recalculation formula the base lines on the screen are always zero volts the peaks are positive and they are always of equal amplitude and surface for same sample and same weight regardless the path contamination regardle...

Page 77: ...Adjustments 77 Fig 61 IRC 1 3 ...

Page 78: ...TP 1 GND TP 7 IR source voltage TP 12 5V supply TP 13 Heating transistors control voltage TP 26 IR temperature actual value TP 27 24V supply TP 28 IR temperature set point Supply voltages for IR signal processing circuit TP 6 12V TP 21 12V Fig 62 Mainboard Cut out IR Cell general test points ...

Page 79: ...s Fig 63 Test points IR ranges Supply voltages for IR signal processing circuit TP 15 5V reference TP 20 Analog GND Outputs base lines about 8VDC For golden paths adjust 6VDC TP 22 Output section 1 TP 25 Output section 2 TP 24 Output section 3 ...

Page 80: ...R module Hi S Lo S C 2 cells IR module S C 2 cells IR module Hi C Lo C 2 cells IR module Hi S Lo S 1 cell IR module C 1 cell IR module S Explanations Lo C Low carbon range long C path Hi C High carbon range short C path Lo S Low sulfur range long S path Hi S High sulfur range short S path C single carbon range single C path S single sulfur range single S path The preamplifier connectors of the cel...

Page 81: ...rnal 24VDC power supply connected to J1 of the IRC board 3 If the external power supply cannot supply 5A then set a jumper on position 2 Test C of JP1 in order to switch off the temperature control so that a power supply of 1A is adequate If a jumper is available on position 3 or 4 Analysis this jumper can be moved to position 2 The positions 3 and 4 are simply parking positions for jumpers to sim...

Page 82: ...es to stabilize their temperature with increasing IR source voltage Adjust the other cells of the module if any at 8V baselines or 5V to 6V in case of clean golden paths Install the IR module into the analyzer Allow sufficient time for the base lines to stabilize Start gas flow and check the base lines again If any of them is significantly over 8V then readjust Drift too large Check the temperatur...

Page 83: ... 1 Fig 64 IR source voltage setting The jumper JP2 is for setting voltages of the IR sources All available sources in an IR cell are connected in series Normally the voltage of each source is 1 75 VDC The total voltage of all available cells can be measured on test point TP7 against TP1 GND Caution In case of adjusting resp changing the IR source voltage the base lines take a few minutes to stabil...

Page 84: ...rature is 27 C growing with 10 mv C Examples 3 10V 37 C 3 30V 57 C This is the adjustable temperature range of the cell in normal cases This temperature range is adjustable when there is a jumper set on position 6 Lo temperature of JP1 and mainly there is no jumper on position 5 Hi Temp of JP1 In other words when no jumper is set this temperature range is already by default A jumper in position 6 ...

Page 85: ...bilized at the new set level Fig 66 Trimmer This is the trimmer in the IR cell module for adjusting the cell temperature It is accessible with a screw driver from outside the cell There is no need to remove the cell block module from the analyzer s cabinet in order to adjust the temperature Modifications for higher sensitivity gain in the low sulphur range For LS R101 47k R100 3M 4 1 x Standard ga...

Page 86: ...4 2 1 4 5 Pneumatics Pos 5 11 0010 ELTR A 0015 service_instructions C S 2000_ser vice 10Adjustments_C S 2000 1025 Modul Pneumatics 9 mod_1425542494387_9 docx 74610 3 1 Fig 67 Pneumatics parts Pneumatics parts showing the location of the pneumatic valves V7 V8 and V10 as well as the position of the pressure regulator 8 8 ...

Page 87: ...Adjustments 87 Fig 68 Pneumatic parts 1 Furnace closing cone 2 Upper cushioning 3 Magnetic switch 4 Magnetic switch holder 2 1 3 4 5 6 7 8 9 10 11 12 13 14 15 ...

Page 88: ...y slowly Turn clockwise the knob of the pressure regulator 8 until the closing cone 1 can rise smoothly without shaking up to the upper end of its stroke To do this open and close the furnace F2 as often as needed Take software delays into account The pressure should be only as high as necessary and low enough for a person to be able to stop by hand the cone from rising Push the knob to lock the p...

Page 89: ...ictor is for cooling the combustion coil to ensure very long service life According to our experience the combustion coils of our analyzers don t need replacement even after years of operation Check the following Open the furnace piston down Hold the piston down by pressing on the horizontal bar of the furnace with the fingers Press the key to close the furnace Allow the piston to go up very slowl...

Page 90: ... docx 41930 2 1 4 6 Pressure regulation Pos 5 13 0010 ELTR A 0015 service_instructions C S 2000_ser vice 10Adjustments_C S 2000 1030 M odul Pressur e reg ulators 9 mod_1425542522280_9 docx 74622 1 Inlet pressure Fig 70 PR1 PR1 is the inlet oxygen regulator and is situated inside the analyzer on the rear panel The outlet pressure needs to be set to 1 5bar 22 5psi ...

Page 91: ...otate the knob of the regulator until the pressure gauge 6 shows the correct value Ensure that the flow shown on the flow meter 5 shows between 180 and 200l h if not adjust according to the related chapter Fig 71 Front side 5 6 ...

Page 92: ...hriften ELTRA 1 1 Überschriften 11 Cl osing cone adjustment ELTR A 6 mod_1369381713916_9 docx 42030 2 1 4 7 Closing cone adjustment Pos 5 15 0010 ELTR A 0015 service_instructions C S 2000_ser vice 10Adjustments_C S 2000 1035 M odul Cl osing cone 9 mod_1425542547459_9 docx 74634 1 Ensure that the shaft 1 is securely fastened to the 1 engineers wrench size 17 In order to adjust the cone the screws 4...

Page 93: ...Überschriften 11 Linearity correcti on 9 mod_1425629238672_9 docx 75212 2 1 4 8 Linearity correction Pos 5 17 0010 ELTR A 0015 service_instructions C S 2000_ser vice 10Adjustments_C S 2000 1040 M odul Linearitycorrection 9 mod_1425542573090_9 docx 74646 1 See Software helps ...

Page 94: ...7_9 docx 74670 1 Fig 74 HF 42 Fig 75 Jumper settings HF 42 Current control The current control provides a safer and more accurate control of the furnace intensity Set the jumper J2 to B1 B2 Connect a digital multi meter on TP1 TP15 is GND Adjust only while the furnace is active Start the analysis adjusting P2 until 6 3V DC is reached on TP1 for copper analysis adjust 1 2V DC TP15 TP16 TP17 TP18 TP...

Page 95: ...e following diagrams show the relationship between the set value adjustment with P2 on the HF 42 board and the generator parameters Fig 76 Diagram Generator current vs setpoint Fig 77 Diagram Generator power vs setpoint ...

Page 96: ...oint 11 Adjust with P1 to 1550 mV maximum on TP4 to be measured with a digital DVM 12 Set the trimmer to a value of 1550 on the LCD display 13 Set the toggle switch to actual value furnace temperature 14 With P3 set the room temperature on the LCD display 15 Set toggle switch back to set point 16 Adjust set point to 1250 C 17 Set toggle switch back to actual value 18 Connect jumper J4 to A2 B2 19 ...

Page 97: ...ove circuit Once linearized and amplified the furnace temperature voltage can be read on TP10 The temperature set point which is adjustable with the potentiometer on the furnace is compared with the actual furnace temperature voltage The resultant voltage on TP12 is then fed to the thyristor drive unit thus increasing or decreasing the furnace voltage A current limitation circuit keeps the furnace...

Page 98: ...9 docx 74694 1 Fig 80 Thermocouple testing Disconnect the plug J1 from the board TH 43 and measure the resistance of the thermocouple with a digital multimeter range 100 Ohm The resistance must be very low about 0 5 Ohm If the resistance is very high or infinite then the thermocouple is faulty and must be replaced Pos 6 0010 ELTR A Seitenumbruch 6 mod_1368796429449_0 docx 41468 1 J1 TP1 TP12 TP2 P...

Page 99: ... windows on both ends of the paths and remove it for cleaning purposes screws M 2 5 in the following schematics After disassembly check the two windows for damage For cleaning the path use the cleaning brush for golden IR paths see picture below Fig 81 Golden IR Path Fig 82 Cleaning brush for golden IR Path Assembly of the paths in the reverse order After reinstallation adjustments according to ch...

Page 100: ...ttings Pos 7 4 0025 Ü berschriften ELTR A 1 1 Ü berschriften 11 Infrar ed el ectr onics ELTR A 6 mod_1369640821864_9 docx 42223 2 1 5 2 Infrared electronics Pos 7 5 0010 ELTR A 0015 ser vice_i nstr uctions CS 2000_ser vice 15 Ser vice_CS 2000 1510 Modul IR electronics 9 mod_1425543339476_9 docx 74718 33 1 5 2 1 Removing the IRC board Fig 84 IRC 1 4 ...

Page 101: ...the infrared unit See chapter IR paths cleaning and replacing The chopper motor housing 1 does not necessarily need to be unscrewed In order to remove the IR source unscrew the nuts 4 with a 5 5 mm wrench Unsolder the old IR source and solder the new one Before re assembling check the position of the IR source 2 and if necessary center the position of the source in the source housing before reasse...

Page 102: ...w driver Take care not to bend the wires too far They are quite hard so that when bending back and forth they may break In case of changing a source the wires must be very properly soldered because the resistance of a source is below one Ohm All IR sources for all available cells in a module are connected in series For adjusting the IR source voltage see chapter IR source voltage setting Pos 7 6 0...

Page 103: ...is fastened to the motor 2 The chopper blade must be removed first in order to dismount the motor 2 from the mounting plate 3 Disassemble in the following order 1 safety ring 4 2 the washer s 5 there could be two 3 the chopper blade 1 4 the cylinder 6 5 the spring 7 ...

Page 104: ... IR source cables 3 will then be soldered to each one of these groups The polarity is irrelevant Afterwards the chopper blade is refastened Reassemble in the reverse order After installing the infrared cell should be adjusted see chapter Infrared base line adjustment Pos 7 8 0025 Ü berschriften ELTR A 1 1 Ü berschriften 11 Leak checki ng ELTR A 6 mod_1369642077339_9 docx 42311 2 1 5 4 Leak checkin...

Page 105: ...mall O rings 9 sealing the top of the furnace are damaged deformed or dusty The palm grip 8 is not in the right position so that the O ring sealing the upper end of the filter housing is not properly pressed against the filter housing Rotate to the right position maximum force on the O ring The O rings 10 sealing the combustion tube are very unlikely to leak provided that the winged nuts fixing th...

Page 106: ...eter may be not seal due to a crack 2 Leakage outside the furnace area Localizing a leakage outside the furnace area with open furnace in induction mode When pressing the button 2 the gauge 3 shows a pressure drop lasting for one minute see details above while the furnace is open then localize the leakage according to the sequence below Keep the furnace opened squeeze the following tubes tightly w...

Page 107: ...Service 107 Fig 91 Tubes to squeeze ...

Page 108: ...ort circuit while measuring otherwise the drivers will be destroyed See chapter Electronic drivers malfunctioning If the voltages on V2 V3 or V4 are wrong then replace the electronic drivers Pos 7 10 0025 Überschriften ELTRA 1 1 Überschriften 11 Sol enoi d val ves cleaning ELTR A 6 mod_1369643206541_9 docx 42465 2 1 5 5 Solenoid valves cleaning Pos 7 11 0010 ELTR A 0015 service_instructions C S 20...

Page 109: ...clockwise the hexagon screw on the plunger housing Remove the plunger 5 only with the 2 2 valve Caution Do not lose the spring 4 With oxygen pressure or compressed air clean the inside of the plunger housing 3 as well as the plunger 5 and re assemble the solenoid valve With the furnace closed and renewed oxygen pressure check to ensure that the solenoid valve is sealed 2 4 5 7 1 2 3 4 5 1 3 6 6 3 ...

Page 110: ... side of the IR module Remove the screw fixing the IR module in the analyzer Take the infrared module out of the analyzer Remove the two tubes 5 and 6 from the flow sensor 9 CAUTION They shouldn t be interchanged when reassembling In case of doubt see chapter IR paths cleaning and replacing Remove the two screws 7 underneath the flow sensor Remove the old flow sensor 9 and install a new one Reasse...

Page 111: ...analyzer and disconnect the mains power plug Disconnect plug 1 of the pump from the socket X4 on the board 2 Disconnect the tubes 3 and 4 from the pump 5 Remove the pump from the supporting panel 6 by pulling the four rubber buffers 7 If necessary they can be cut Reinstall a new pump in reverse order REMARK For installing a new pump the rubber buffers 7 of the new pump have to be pulled down from ...

Page 112: ...ove the side panel of the furnace which does not carry the moisture trap In case of CS 2000 it is the left hand panel Shift the furnace to the front for about 10 cm over the edge of the desk where it is placed on Disconnect the chinch connector of the thermocouple cable from the temperature control board 36283 36242 36288 36242 36665 TH44 36904 36975 70380 77525 70380 36620 Länge 85cm Viton 3x1 zu...

Page 113: ...old the spring 36665 which is holding the thermocouple in place to slide along the thermocouple while pulling it down out of the furnace Fig 98 Spring 36665 which is holding the thermocouple in place Fig 99 Pulling the thermocouple down out of the furnace ...

Page 114: ...16 TP18 TP19 TP17 TP1 TP2 TP3 TP4 TP9 TP5 TP10 TP11 TP13 TP14 TP8 TP7 TP12 P2 P1 H F 4 2 J2 TP6 J3 B 3 B 2 B 1 B 4 A 1 A 2 A 3 A 4 A B J 2 flow enable power adjust On board flow enable Continuous flow External On board HF41 B 3 B 2 B 1 B 4 A 1 A 2 A 3 A 4 A B J 3 flow enable On board flow enable Continuous flow External HF42 Set the jumpers jumper to conect A1 with A2 on J2 If the analyser has the...

Page 115: ...tored it may lead to a very intensive ignition Therefore the gas saving feature for the resistance furnace operation should only be installed after the customer s consent to take full responsibility for entering a sample into the furnace only after the flow is restored The modifications are shown in the following schematics For full Details see chapter Wiring diagrams 1 Install a solenoid valve No...

Page 116: ...ctions C S 2000_ser vice 15 Ser vice_C S 2000 1560 Modul Fur nace pneumatics addi tional safetyfeatures optional 9 mod_1425543730507_9 docx 74838 1 The furnace doesn t change position in case of a power failure Fig 103 Furnace power failure By adding a solenoid valve 8 and connecting the coil directly to 220V AC the piston won t change position in case of a power failure If the piston was down it ...

Page 117: ...Installing a halog en trap 9 mod_1425543807540_9 docx 74850 1 Eltra analyzers don t need any halogen trap when they are equipped with golden paths However in case a user may insist in a halogen trap the installation can be done as follows Fig 104 Halogen trap installation Pos 8 0010 ELTR A Seitenumbruch 6 mod_1368796429449_0 docx 41468 1 ...

Page 118: ...os 9 2 0025 Ü berschriften ELTR A 1 1 Ü berschriften 11 Ordering numbers ELTR A 6 mod_1373449838307_9 docx 43582 2 1 6 1 Ordering numbers Pos 9 3 0010 ELTR A 0015 ser vice_i nstr uctions CS 2000_ser vice 20 Miscell aneous_CS 2000 2005 M odul Or deri ng numbers 9 mod_1425543891671_9 docx 74862 33333333333 1 6 1 1 Front side Fig 105 Front side view ...

Page 119: ...lter holder 11185 Paper filters 11480 Adjustable restrictor 15083 Gas flow indicator 15 l h 15087 Gas flow indicator 300 l h 20000 Catalyst furnace 20036 Upper tube holder 20040 Catalyst tube 20045 Lower tube holder 70150 O ring 70210 O ring 70230 O ring 70320 O ring 70350 O ring 70370 O ring 71036 Cleaning brush for filter 72010 Pressure gauge 2 5 bar 72020 Pressure gauge 10 bar 78017 Main power ...

Page 120: ...Miscellaneous 120 6 1 2 Left hand side Fig 106 Left hand side view ...

Page 121: ...11415 Lance valve 11430 Purge solenoid valve 11440 Bypass solenoid valve 11490 Pressure regulator 11492 Inlet pressure regulator 11495 Purge pressure regulator 12016 Gas flow and furnace control board HF 42 12044 Transformer 15268 Pump control board PC 15270 Gas pump 16110 Power supply board NK 31 24250 Valve V10 25190 Valve V11 24260 Valve V13 24265 Valve V12 24285 Board CS20 35336 Attenuator vol...

Page 122: ...Miscellaneous 122 6 1 3 Right hand side Fig 107 Right hand side view ...

Page 123: ... No Description 11190 Exhaust muffler 11376 Fixing plate for 11822 11492 Pressure regulator 11822 Pnematic valve block 12045 Transformer 12080 Rectifier 12100 Transformer 13850 Centrifugal blower 77050 TRIAC 77135 Capacitor ...

Page 124: ...Fig 108 Induction furnace Part No Description 13067 Combustion coil 14009 Pneumatic cylinder for furnace lift 14021 Upper furnace lock 14026 Lower furnace lock 14030 Upper furnace plate 14035 Lower furnace plate 14090 Bearing 14100 Mounting rod ...

Page 125: ...nurled nut 14165 Upper knurled nut 14168 Pedestal 14170 Pedestal mount 14180 Furnace closure 14185 Tray 14200 Metal tube 14210 Threaded rod 14220 Cylinder support 70380 O ring 70390 O ring 71010 Cleaning brush for pedestal 71031 Cleaning brush for radiation shield 76002 Washer 76003 Wing nut 76005 Knurled nut 90150 Crucibles ...

Page 126: ...Description 14014 Complete furnace cleaning assembly unit 14021 Upper furnace lock 14045 Cleaning brush for combustion tube 14051 Brush holder 14072 Ceramic heat shield for brush 14080 Cleaning mechanism Rod 14160 Upper log 70120 O ring 75122 Spring 75130 Safety spring 75150 Metal tube ...

Page 127: ...on 13060 Protection sheet 13081 Capacitor support 13090 Upper coil connector 13100 Lower coil connector 13122 Capacitor connector 13130 Capacitor connector 13140 Ground connector 13151 Anode connector and heat sink 13160 Coil heat sink 13170 Radiation shield 13175 Insulator 13210 Grid choke ...

Page 128: ...rt 13260 High voltage filter 13270 Resistor 77140 HF filter 77210 Oscillator tube 77322 Capacitorr 77330 Capacitor 77335 Capacitor 77333 Filter 77345 13261 13262 77340 77341 77342 Capacitor 77350 Capacitor 100 nF 77489 Bracket 77600 Resistor 77610 Resistor ...

Page 129: ...Miscellaneous 129 6 1 7 Infrared cell Fig 111 Infrared cell ...

Page 130: ...IR path ring with window source side 05469 IR path cone with window detector side 05479 Chopperassembly 1 channel 05488 Chopperassembly 4 channels 05492 Chopperassembly 3 channels 05496 Chopperassembly 2 channels 05502 0100 Golden IR path 100mm 05502 0120 Golden IR path 120mm 05502 0140 Golden IR path 140mm 05502 0170 Golden IR path 170mm 05502 0200 Golden IR path 200mm 05502 0275 Golden IR path 2...

Page 131: ...annel 06732 IRC 3 channel 06733 IRC 4 channel 089330263 Cylinder screw 84 M2 15209 Flow meter 704120 O ring 6 1 8 Chopper Fig 113 Chopper Part No Description 05020 Chopper blade 05030 Chopper blade holder 05064 Chopper motor 05048 Infrared source emitter ...

Page 132: ...130 Retaining washer 75190 Washer 6 1 9 Resistance furnace Fig 114 Resistance furnace Part No Description 36101 Boat stop 36216 Combustion boat insertion stick 36217 Combustion boat removing stick 36242 Ceramic plate 36283 Heating element connector 36288 Heating element connector ...

Page 133: ... Cable for TH 43 TH 44 36914 Thermocouple 36975 LCD display DVM 2 70380 O ring 70410 O ring 75140 Coil spring washer 77450 Temperature switch 77507 Ceramic tube 77525 Heating elements 4 pcs 90155 Combustion boats 90162 Combustion tube Note 36907 Temperature control board TH 43 is an older version 36904 Temperature control board TH 44 is a newer version and fully compatible ...

Page 134: ...ng Numbers resistance furnace Part No Description 36720 Teflon tube 36725 Teflon tube for 36720 6 1 10 Oxygen purifying furnace Fig 116 Oxygen purifying furnace Part No Description 21010 Heather section 21120 Quartz tube 70380 O ring ...

Page 135: ...Miscellaneous 135 6 1 11 Dust trap Optional for metal analysis Fig 117 Dust trap Part No Description 70320 O Ring 70350 O Ring 07370 O Ring 11091 Dust trap mechanism ...

Page 136: ...Miscellaneous 136 11093 Filter plate 11105 Metal dust filter 11110 Filter housing 36751 3001 Panel 36752 Filter housing support ...

Page 137: ...Wiring di agrams Eltra 8 mod_1399966125802_9 docx 60786 2 1 6 2 Wiring diagrams Pos 9 5 0010 ELTR A 0015 ser vice_i nstr uctions CS 2000_ser vice 20 Miscell aneous_CS 2000 2010 M odul Wiring diagrams 9 mod_1425543931731_9 docx 74874 3333333 1 6 2 1 Right hand side power wiring ...

Page 138: ...Miscellaneous 138 Fig 118 Rightt hand side power wiring 6 2 2 Left hand side power wiring See figure control signal wiring ...

Page 139: ...Miscellaneous 139 Fig 119 Left hand side power wiring 6 2 3 Valve wiring ...

Page 140: ...Miscellaneous 140 Fig 120 Valve wiring 6 2 4 Control signal wiring Fig 121 Control signal wiring ...

Page 141: ...the number of IR cells ge gn 200VDC as long as the LED is on No voltage as long as the LED is OFF 2 15 3 16 25 21 22 17 11 vi Heaters 1 2 3 9 4 5 6 7 8 10 10pin plug Temperature sensor D 15 plug pin 9 blue brown yellow grey green orange pink red black violett white bl br ge gr gn or rs rt sw vi ws br gn vi gr gr bl bl s w s w br gr 06640 sw sw s w s w r t r t r t b r s w bl s w rt 1 14 4 1 ...

Page 142: ...Miscellaneous 142 6 2 6 IR cell internal signals Fig 123 IR current supply new version ...

Page 143: ...143 6 2 7 Amplitude circle 1 0 0 k 5 0 W 1 µ F 1 µ F 1 0 0 n F 1 0 0 n F 6 0 0 p F 2 2 1 0 W F 1 1 1 2 6 3 6 5 0 0 p F 1 0 0 p F 5 0 0 p F 5 0 0 p F 7kV 2 k 7 1 0 0 W 6 0 0 p F A m p l i t u d e c i r c l e 1 2 0 8 5 ...

Page 144: ...ms El tra 8 mod_1396942447930_9 docx 60504 2 1 6 3 Gas flow diagrams Pos 9 7 0010 ELTR A 0015 ser vice_i nstr uctions CS 2000_ser vice 20 Miscell aneous_CS 2000 2015 M odule Gas fl ow diagrams 9 mod_1425543960513_9 docx 74886 3333 1 6 3 1 Gas flow for induction furnace when furnace is closed ...

Page 145: ...Miscellaneous 145 6 3 2 Gas flow for induction furnace when furnace is open ...

Page 146: ...Miscellaneous 146 6 3 3 Gas flow for resistance furnace ...

Page 147: ...Miscellaneous 147 6 3 4 Valve contolling ...

Page 148: ...60 IR path connector with window detector side 1 05260 IR path tube 80 to 320 mm 1 05278 Infrared preamplifier for 3 pins 1 05279 Infrared preamplifier for 4 pins 06032 Infrared detector with CO2 filter 1 06034 Infrared detector with SO2 filter 1 06058 IR Temperature control board TH61 1 06421 Infrared power supply assembly IR13 1 06630 IR Temperature control board TH62 1 06733 IRC board for 4 cha...

Page 149: ...0 top 1 70320 O ring 20 x 5 VT for dust filter CS 800 for furnace glass tube CS 500 For reagent tube HTF540 1 2 70330 O ring 21 x 2 VT for infrared source 6 70350 O ring 29 x 5 VT for dust filter CS 800 1 70370 O ring 34 x 3 VT for dust filter CS 800 1 70380 O ring 35 x 5 VT for combustion tube CS 800 and for furnace internal CS 500 2 70390 O ring 38 x 5 VT for furnace CS 800 1 70405 O ring 47 2x ...

Page 150: ...filter cartridge 1 11185 Paper filters 10 11370 2001 Gasflow regulating valve 1 11400 Pressure outlet solenoid valve 1 11410 Oxygen stop solenoid valve 1 11430 Purge solenoid valve 1 11440 Bypass solenoid valve 1 11470 One way valve 1 11490 Pressure regulator 1 12005 Gasflow and furnace control board HF3 1 12016 Gasflow and furnace control board HF42 1 12080 Rectifier 1 13067 Combustion coil 1 131...

Page 151: ...nnector 1 36288 Heating element connector 1 36445 Front panel for the combustion boat 1 36465 Ceran plate 1 36620 Dust trap 1 36665 Spring 1 36700 Upper reagent tube connector 1 36720 Teflon tube 1 36725 Teflon tube for 36720 1 36798 Transformer 1 36799 Cooling fan 1 36907 Temperature control board TH 43 TH 44 1 36908 Cable for TH 43 TH 44 1 36914 Thermocouple 1 36975 LCD display DVM 2 1 75122 Spr...

Page 152: ...losure cone still properly fixed See chapter Closing cone Check whether the imprint of all the O rings is at least of 2 mm thickness Is the inlet pressure regulator set on 1 5 bar 22 5 psi See chapter Pressure regulators Is the other two pressure regulator set on 0 35 bar 5 psi Check for leaks See chapter Leak checking Is the gas flow rate correct See chapter Gas flow controller Pressure switch ch...

Page 153: ... DIN EN ISO 9556 2002 04 C Steel and Iron CS 800 CS 2000 ISO 4935 1989 DIN EN 24935 1992 07 S Steel and Iron CS 800 CS 2000 ASTM E 1019 2011 C N O S Steel Iron Nickel Cobalt Alloys CS 800 CS 2000 ON 900 OH 900 ONH 2000 ASTM E 1587 2010 C N O S Refined Nickel CS 800 CS 2000 ON 900 OH 900 ONH 2000 ASTM E 1409 2013 N O Titanium and Titanium Alloys ON 900 OH 900 ONH 2000 ASTM E 1569 2009 O Tantalum ON...

Page 154: ... CS 2000 ISO 4689 3 S Iron ore CS 800 CS 2000 ISO 7524 C Nickel CS 800 CS 2000 DIN EN 27526 S Nickel CS 800 CS 2000 DIN EN ISO 15350 C S Steel Iron CS 800 CS 2000 DIN EN ISO 3690 H Steel H 500 DIN EN ISO 10720 N Steel ON 900 ONH 2000 ISO 10719 C Steel CS 800 CS 2000 Norm Elements Materials Instruments ASTM D 1552 2008 S Oil and Petrolium Products CS 580 CS 2000 ASTM D 4239 2013 S Coal and Coke CS ...

Page 155: ...the European Community the disposal of electrically operated devices is regulated by national provisions that are based on the EU Directive 2002 96 EC on Waste Electrical and Electronic Equipment WEEE Accordingly all machines supplied after 13 08 2005 in the business to business area to which this product is classified may no longer be disposed of with municipal or household waste To document this...

Page 156: ...ctor of thermocouple 113 Chopper 102 104 131 Chopper motor doesn t rotate 65 Chopper motor replacement 103 circuit board HF 42 52 Cleaning brush 99 Closing cone 93 Closing cone adjustment 92 Combustion tube breaks frequently 48 Combustion tube induction furnace 48 Combustion tube resistance furnace 48 Combustion without starting analysis 50 Command to start the generator is not received 19 configu...

Page 157: ...llation 117 Heating elements 29 HF 42 94 HF41 board 114 jumper setting gas saving mode 114 HF42 20 HF 42 18 HF42 board 114 jumper setting gas saving mode 114 Hi C 80 Hi S 80 High carbon results are erratic 36 High frequency generator 1 4 4 1 4 5S 33 Higher sensitivity gain 85 I Induction furnace 124 Induction generator control 94 Infrared base line adjustments 75 Infrared cell 129 Infrared cell mo...

Page 158: ...scillator 64 Oscillator blower cleaning 64 Outflow valve 47 Outflow valve does not close 47 Outlet tap not properly open 14 Outlet tap of the oxygen bottle is not properly open 16 Outputs base lines about 8VDC For golden paths adjust 6VDC 79 Oxygen no flow 38 Oxygen gauge 53 Oxygen pressure falls when the furnace opens 49 Oxygen pressure goes up very slowly 52 Oxygen purifying furnace 134 Oxygen r...

Page 159: ...oltages and thermostatic control circuit 78 Supply voltages for IR signal processing circuit 78 79 T Temperature control resistance furnace 28 Terminal of the solenoid coil 46 Test points general IR Cell 78 Test points IR ranges 79 TH 43 96 97 TH 44 96 97 The filament of the generator tube doesn t glow 21 The furnace does not close 30 The results are always 0 0000 or 00 0ppm 37 The tubing 100 Ther...

Page 160: ...Copyright Copyright by Eltra GmbH Retsch Allee 1 5 D 42781 Haan Germany ...

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