OSCAR-N SAS MINI / PLUS / OBD CAN
Contents
1. Pressure sensor not connected there was no connection with the pressure sensor 66 399 i Vacuum sensor not connected there was no connection with the vacuum sensor No RPM signal lack of RPM signal has been detected Reducer temperature sensor not connected there was no connection with the reducer temperature sensor 26 30 Gas temperature sensor not connected there was no connection with the gas temperature sensor Supply voltage too low supply voltage has fallen below level of 9 V for time longer than 3 seconds Supply voltage too high supply voltage has risen below level of 15 V for time longer than 3 seconds Gas injector I not connected there was no connection with gas injector no 1 3 11 2 Warnings list r3 Oscar N SAS Software 1 08 File Ports Help Errors Warnings Errors Warnings x Errors Settings Chang M Continuous Error Warnings Gas injectors Fully open Short pulses on petrol injectors Erase errors Erase warnings OK Following warnings are being displayed by software Gas injectors fully open another gas injection opening pulse is beginning before previous one has been finished If during presence of that warning the mixture is rich we can ignore that error If the mixture is lean it means that we have to change injectors to more efficient ones Petrol injectors fully open2. read duration of petrol injection opening pulse is longer than 32 ms Short pulses on petrol injectors petrol pulses shorter than value of Ignoring the petrol opening signal below ms has been detected 27 30 3 12 Conditions bookmark rJ Oscar N SAS Software 1 08 E File Ports Help Errors Warnings Conditions Service Language EG2000 Assistant Nozzle calculator Help Conditions x Conditions Reducer temperature too low Conditions bookmark is showing which system parameter values might be temporarily preventing the car from running on gas Following conditions can be displayed in the software Gas temperature too low Gas temp C value is lower than Min gas temp C threshold value Reducer temperature too low Reducer temp C value is lower than Min reducer temp C threshold value RPM level below min changeover RPM actual RPM value is lower than Min changeover RPM threshold value before first changeover to gas from engine start RPM level below minimum actual RPM value is lower than Min gas RPM threshold value RPM level above maximum actual RPM value is higher than Max gas RPM threshold value Petrol injection times too long the petrol injection opening times are higher than the value in Max load value ms threshold value Gas pressure below minimum actual Gas pressure kPa value is l
3. http www java com 3 1 Starting the software Question Do you want to run application with aukoconnect Remember last setting i Autoconnect Cancel After first use of the software we will be asked if it should automatically search all available ports and try to establish connection with the controller If we choose Autoconnect the software will try to automatically connect with ECU If we choose Cancel it will be necessary to choose the port manually from the list of available COM ports after each start of the software If we will enable Remember last setting the software will remember our choice for method of connection and will apply it during its every start Faa scar H SAS Softwar File ainae Error ions utoconneck je bai Disconnect i Autoconnect function is searching for a controller starting from the lowest COM number found in the system Therefore it is recommended to assign for connected diagnostic interface the lowest possible COM port index to establish connection more quickly We can always cancel Autoconnect procedure by selecting Disconnect and select COM port manually 9 30 3 2 Main software window description CJ Oscar N SAS Software 1 08 File Ports Help Errors Warnings Conditions Service Language EG2000 Assistant Nozzle calculator Help DEMO Gas pressure kPa Manifold pressure kPa Reducer temp C Gas temp
4. MODERN GAS SYSTEMS EUROPE GAS 5 206 mystowa str www europegas pl OSCAR N SAS MINI PLUS OBD CAN controller user manual ver 1 08 dated 2012 08 22 This instruction can be also downloaded from http www europegas pl en Technical Support Service Manuals Latest software version and example movies of its usage can be downloaded from http www europegas pI en Technical Support Software Table of content 1 OSCAR N SAS product line controllers GeSCrIptiON ccccccccessseeeeeccceeecceeseeeeeccceeeeaaeeeeeeaeeeeeas 3 2 OSCAR N MINI PLUS OBD CAN SAS way of assembling eeeeseeeseececeeeeeeeeeeeeees 5 Zt OSCAR N MINI SAS Wstallanon did sra Mueren E E 5 2 2 OSCAR N PLUS OBD CAN SAS installation diagram ccc ccccccceeeeeceeaeeeeeeeseeeeeeees 5 2 5 Proper installation of OSCAR N SAS EC Unrate n a T eed a nies 6 2 4 Selecting proper type of EG2000 injector according car s horsepOWel 00000eeeeeeeeeeeeees 6 2x WISASSOR CHANG COV Cl SWE Mereraina a E a AEE O EEEREN 8 3 OSCAR N SAS diagnostic program CeSCrIptiON c cc cseseessesseseececceceeeeeeeeeaaaaeeeeseeeeeseeeeeseaeeeeeeeas 9 Sal Starline TS SONWANE EE a usinedtlal edi tla tubal ta 9 3 2 Main software window CeSCLIptiON ccccccccccsssssseeeccceeccceesesseeccceeeeeauenscceeuaeceeeeneceeaeeeceeas 10 Di a TE E AUN E EAE stay srs E tga vo sated E E E daca teagan ie 11 Dm C Dan COVer Pane lasann ae E E E A E E A E NE 12
5. In case of above way of update will fail we should 1 Disconnect with the controller status in left bottom part of software window will be Disconnected 2 Choosing from main menu File gt Upload Firmware and select the firmware that You want to update 3 Follow the instruction displayed by the software 30 30
6. Multiplicative correction petrol injection opening time is being multiplied by this value in and result it is being added to petrol injection opening time when car is on gas When Common correction is ON then by modifying Correction 1 we can set that value for all remaining cylinders 3 8 Advanced Panel Injectors warming up 2 Injectors testing Injectors warming up time s Injectors restoring On kal Minimum gas injector opening time ms Exit from cut off through petral Ignore petrol injection signals below ms Cut off pressure kPa Petrol injectors Full opening mode Return to gas after s 50 First changeover enrichment 0 Pressure correction g 10 Enrichment level 4 Fuel pump turn off delay 2 Enrichment time 5 Lubrification OF M Hot start mode Engine hot temp E Injectors warming up in parameter Injectors warming up time s we can set period of time for which the gas injectors coils should be preheated by single pulses from ECU properly shortened so they won t cause opening of injector before first changeover to gas Function is being applied only if the reducer temperature is not higher than Hot engine temp The length of pulse is being set automatically depending on the type of selected injector from injection rail in Gas Panel Minimum gas injector opening time this parameter makes possible to force the gas injectors to not try to open for time pe
7. Lambda sensor type if connected J select proper type of Gas level sensor pressure gauge installed k in case of using a Pressure sensor Vacuum sensor Reducer temperature sensor or and Gas temperature sensor different from standard ones ABS400kPa and 2 2kOhm type sensors which are provided with the ECU set and set as default types please change sensor type in a proper field 11 30 3 4 Changeover Panel Settings Changeover Calibration Map Corrections Advanced OBD Oscilloscope To Petrol Min reducer temp E Max RPM Min changeover RPM 1200 a Max load value ms Changeover Time Cold Engine s Pressure error time s Changeover time Hot Engine s Changeover delay per cyl s 05 w Changeover simultaneously Min gas Temp C Work gas pressure kPa 100 w Minimum gas pressure kPa Min gas RPM Set desired parameters for system change over Jo Gas and To Petrol 3 4 1 Parameters To Gas Min reducer temp C minimum temperature of reducers required for opening to solenoid valve before first changeover to gas Min changeover RPM minimum value of engine RPM required for the controller to changeover to gas Changeover time Cold Engine s additional time period added to changeover to gas time This extra time is being counted from moment of opening the solenoid valves if reducers temperature is
8. VATP ATI RG TOEG a shalt tiSet tid s setantaus ahaa ce Sad taabateg apenas tatu eentacbas baa saa noes conto eaiua ee anna 12 IA 2 Parameters TOP TO laasna E ee ee 13 3 4 3 Working and Minimum gas pressure ccccccccccccccceececeeeeseeseeseeeeeeecceseeaeeeecessauaeeeeeaeees 13 pS aNG ON PAO ache ay teases cede a cade anaes aint ad eek 14 FI RAU SC A DFA OM onr AOC 2 a5 as corel at ct uns See tans i vce dude cues Caeei aot at Rule TOE 15 3 5 2 Collecting maps during the drive and calculation of adjustments cccceccceeee ees 15 Jr NUNO adaplaliOMm Tede i aie dee ses acacaetee eee ee eee 17 ONE E E r T E TE T Sean ahaa seaa ae Sousa Ra teceenaeueeaees eet 19 Dak OTEC ODS Fane Pronita n aE T Maint cana tocta arabes ches Sa iedlaenategs 20 ero ene 810210 E yee PRR ene tka ee PN Re PA MEST he EA Rev PA eg een ene aR EE 21 De IS CIMO SCOP Pane k arois e s ssstaire eos niconoue shits we Paiiea bis tate us icienlos shige N 23 Oy WO ISIE Pine ait aus saga haa a tendaaile Seloe ue caueuiahadoa tenes ale Sabon eeaaruh naaeeaneets 24 3 11 Errors Warnings bookmark i sasstiitinetutehad diieidiiaathuaeiet Aiea tA nian 26 EEE TOS VIS Users ocaattcni a sSecenay tho ecea tu T E EEE 26 By PNY A LIN gS a E edad deceematiets E Had de ceemactin aaa tne ance aoe 2 SPC ONCILIOMS WOO KAMAN K oessa ie aa E ETE E E TE EEN 28 SNE LC o EENE AEA EN E AEEA TE EETA TE A E EA AE oe 28 A Lano ud eaa E E E N 29 5 AS AOAC dnd SAV INS SENE Sraa E E
9. 4 z Injector LPG 1 34 Injector LPG 2 8 uct pens 35 12 level indication sensor amp vet pump 12V ignition key signal 9 12 Interface 36 12V switch 10 12V mapsensor 37 Interface Rx 11 Interface Tx 38 switch BUZZER 12 Switch button signal 39 LED 4 red reserve diode 13 LED3 40 LED 2 14 LED 1 41 Level indication sensor signal 15 MAP signal 42 Gas temperature sensor signal 16 Reducer temperature signal 43 Gas pressure signal 17 Lambda 2 signal 44 RPM signal 18 CAN BUS line L 45 Lambda 1 signal 19 LED 5 yellow diode 46 CAN BUS line H 20 Petrol Injector 4 injector side 47 OBDII K line 21 Petrol Injector 3 injector side 48 Petrol Injector 4 Petrol ECU side 22 Petrol Injector 2 injector side 49 Petrol Injector 3 Petrol ECU side 23 Petrol Injector 1 Petrol ECU side 50 Petrol Injector 2 Petrol ECU side 24 Petrol Injector 8 injector side 51 Petrol Injector 1 Injector side 25 Petrol Injector 7 injector side 52 Petrol Injector 8 Petrol ECU side 26 Petrol Injector 6 injector side 53 Petrol Injector 7 Petrol ECU side 27 Petrol Injector 5 injector side 54 Petrol Injector 6 Petrol ECU side 30 black l 55 Petrol Injector 5 Petrol ECU side 12 V To the key gt 2 3 Proper installation of OSCAR N SAS ECU During the installation of OSCAR N SAS sequential gas injection system it is suggested for the wire set to point downwards It is also suggested that it should be pla
10. C Lambdai v Lean Lambda2 v Lean Petrol inj time ms Gas inj time ms Autocalibration Correction ms Autocalibration Autoadaptation 1 00 1 2 3 On Petrol Attention Balloon tips with explanation are being displayed every time when mouse cursor is being held over particular function in software window OSCAR N SAS diagnostic software main window is composed of Main menu bar located on the top of the window e Additional icon bar located below Main menu Fuel type changeover switchboard with fuel level indication diodes left top part of the window e List of active petrol gas injectors with their injection opening times ms middle top part of the window Visualization of actual system parameters right side part of the window Panels with system parameters settings central part of the window System status indication bar bottom part of the window Software checks all the COM ports when started and establish connection with ECU automatically 10 30 3 3 Settings Panel During every first start of the software please choose the OSCAR N SAS ECU work mode LPG or CNG depending on the type of installation in the car Changover Calibration Map Corrections Advanced OBD Oscilloscope Gas level sensor 0 90 Ohm v _ 1 _ Engine type Standard n o e Gas injectors type H2000 EG2000 T T a lt Fuel type Cyls number
11. at the load where the colour bars are still present When there would be no sign of red blue bar that means that we have collected 100 of petrol gas maps 15 30 i 38 F 8 8 WW TH T2 VS 34 19 189 16 TE 20 Zi 22 2s 24 2S Psi Map Collection Assistant the round marker on the intersection of vertical injection time ms and horizontal vacuum kPa lines is changing colors depending on the quality of collected map It can take on 3 following colors Red there are not enough points collected in that area We need to keep the engine load at this value to collect more points Yellow amount of points collected in that area is sufficient but deviation between them is too big We need to collect more points in this area Green amount of points in that area is sufficient and map has been drawn accurately b If petrol and gas maps are not close enough to each other press Calculate button so software will calculate proper multiplier value accordingly to distances between both maps c Press Erase gas map button and collect 100 of new gas map d If both maps still are not close enough You have following alternatives e Go back to point 3 5 2 b Do manual correction by moving multiplier line points and then update gas map in the places where maps are not agreeing Turn Autoadaptation feature ON which will modify multiplier in the desired range where two maps are not agreeing Attention Remember to
12. each other like on above screenshot Attention If we enable autoadaptation it works until we will disable it works also without ECU connected to PC 17 30 After each correction made to particular point of the multiplier some of map points in its neighborhood are being erased to ensure quick acquisition of updated gas map After this step system checks again if the distance between map has been reduced to acceptable value If the distance is still too big then another corrections are being made repeatedly This way the gas map will never be collected completely in 100 however the values of petrol injection opening time on petrol and petrol injection opening time on gas should be equal all the time The area on which the autoadaptation will modify the multiplier needs to be properly defined by user Following parameters are available in the Autoadaptation bookmark Autoadaptation makes possible to enable ON disable OFF the autoadaptation feature Petrol lock prevents collected petrol map from modification No more points will be collected or updated from moment of activation unless we disable petrol lock It will be reference map for autoadaptation activity so it should be collected it normal car driving conditions It is recommended to turn Petrol lock ON as soon we will collect accurate petrol map This way we can avoid its temporary changes It must be enabled if we want to use autoadaptation Minimum gas
13. gt oe C3 white an Ee Seem Rees T J ia D3 blue z nA i pink a ay G3 red D2 pink Lambda sensor wire present only in MINI SAS LS version of ECU Fuel pump disconnection wire present only In MINI SAS FP version of ECU 2 2 OSCAR N PLUS OBD CAN SAS installation diagram Petrol ECU side 1 23 grey black E 2 50 yellow black 3 49 purple black f 4 48 blue black ini 1 51 a Petrol injectors i Pal nae 5 55 green black side 3 21 purple 6 54 red black 7 53 brown black 8 52 pink black aa 4 20 blue all 0 75 mm ae 5 27 green petrol injectors 6 26 red side 7 25 brown 8 24 pink r 1 7 grey 2 34 yellow 3 6 purple all 0 75 mm 4 33 blue 29 red white both 1 mm 5 32 green 6 5 red 7 31 brown 8 4 pink 0 35 mm Pressure sensor To vacuum gt i 1 3 black nE 2 43 white 17 purple black 3 15 blue M nn 4 10 red LE 0 35 mm Lambda 2 Lambda 1 45 purple nearse _ Present only in OBDCAN SAS ECU __ 1 11 blue nS 18 yellow CAN_L line pin 14 0 35 2 37 yellow F i 46 white CAN H line pin 6 3 3 black Fee 47 blue OBDII K line pin 7 aE Tod RPM signal E fuel pump circuit w mayen OEO ey _ 18 pink 078mm Gas temperature sensor nonnally closed relay Reducer temperature sensor Level indication sensor 9 35 mm 35 red A
14. lower than Hot engine temperature value default 50 C degree e Changeover time Hot Engine s additional time period added to changeover to gas time This extra time is being counted from moment of opening the solenoid valves if reducers temperature is equal or higher than Hot engine temperature value default 50 C degree Changeover delay per cyl s time delay between changing over subsequent cylinders from petrol to gas In example when this parameter is set at 0 2 s the complete change over to gas of a 4 cylinder engine from gasoline to gas will last 4 0 2 ms When this parameter is set to 0 ms all the cylinders will changeover to gas petrol at the same time recommended value for full group controlled cars Changeover simultaneously feature of forcing all cylinder to changeover simultaneously during first autocalibration changeover Attention For full group controlled cars please remember to set Changeover delay per cyl s to 0 0 s and Changeover simultaneously to ON before running auto calibration 12 30 3 4 2 3 4 3 Parameters To Petrol Max RPM maximum value of engine s RPM at which car can still run on gas If RPM value will be higher than this value the car will changeover to gasoline When the RPM will fall back below this value the car will go back to gas mode Max load value ms maximum value of petrol injection opening time at which
15. map minimal gas map points percentage required to stop collecting gas map Works like Petrol lock feature from the moment when the percentage of collected gas points collected is reaching that value This feature must be disabled if we want to use autoadaptation Working range ms defines injection opening time value from which the workspace of autoadaptation begins This value shouldn t be lower than half of maximal injection opening time of particular engine This way we can avoid unwanted modification on idle and low loads range Maximum mult Range defines the vertical distance from the top and the bottom of multiplier level placed at 1 0 value Autoadaptation algorithm can modify the multiplier line only when multiplier points are not exceeding top and bottom horizontal borders defined by this value If the multiplier point is above the top or below bottom border of Max mult Range it can t by modified by autoadaptation If multiplier point is within the Max mult Range it also can t be moved outside its borders It is recommended to don t set this parameter to values higher than 0 15 af the calculated multiplier on higher loads is not too far away from 1 0 multiplier level Min points defines how many map points from 16 points nearest to the current map point must be collected to make single correction to multiplier As higher this value would be as more accurate the collected maps line will be whi
16. set the autoadaptation parameters in a proper way More detailed description of Autoadaptation You will find in chapter 3 5 3 e After proper adjustments process the petrol and gas maps should be close to each other as it has been shown on a picture below 16 30 Settings Changover Calibration Map Corrections Advanced Oscilloscope 910 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 ms mt Autoadaptation Working range ms Autocalibration ss Petrol lock Maximum mult range Autoadaptati If everything has been installed properly steps mentioned above should guarantee proper driving on both fuels In more sophisticated cars there may be necessity of using features located in Map Corrections Advanced and OBD bookmarks Remember that during work with the system You might always refer to this User s Manual located in docs folder attached to the software Press Help bookmark to open that folder 3 5 3 Auto adaptation feature Settings Changover Calibration Map Corrections Advanced DEN Oscilloscope 8 9 10 11 13 13 14 15 16 17 18 19 20 21 22 23 24 25 ms Auboadaptation Working range ms Petrol lock Maximum mult range Minimum Gas map 245 Min poinks Autoadaptation feature can be used for automatic multiplier s correction on higher ranges of loads in places where petrol map points and gas map points are not close enough to
17. 10 during fall of pressure down to 90 kPa 10 gas injection opening times will be elongated by 10 a Working pressure 100kPa Correction 5 10 during rise of pressure up to 110 kPa 10 gas injection opening times will be shortened by 5 a Working pressure 100kPa Correction 10 10 during rise of pressure up 110 kPa 10 gas injection opening times will be shortened by 10 Attention If the reducer and injector has been selected and installed properly the default correction value is 5 10 Fuel Pump turn off delay s determines how big should be the delay between changing over all injectors to gas and giving the negative signal on the pink wire Can be use for delaying the moment of fuel pump disconnection or activation of Timing Advance Processor EG Dynamic Lubrification makes possible to connect electronic lubrification system and to prevent from changeover to gas when the lubrification fluid has been finished When this feature is enabled and there is no lubrification fluid buzzer will sound for 1 sec and system will go back to petrol after 2 seconds and stop showing gas level 3 9 Oscilloscope Panel Settings Changover Calibration Map Corrections Advanced OBD Oscilloscope i 100 9 T 14 2 On the right side of this panel we can select which signals measured by the controller we would like to see on oscilloscope and the buttons to change the units displayed
18. EB 1050 or 90 ohm 41 white x 2 black 1mm Switch all 0 35 mm 19 yellow a brown 40 green N 13 white TH 39 black 12 blue 36 red 38 pink red pink 5 30 QO N A BC DE F GH Petrol Injector 2 Petrol ECU side Petrol Injector 2 Petrol injector side Petrol Injector 4 Petrol ECU side Petrol Injector 4 Petro injector side Petrol Injector 1 Petrol injector side LED1 LED 4 reserve diode Petrol Injector 3 Petrol ECU side Petrol Injector 1 Petrol ECU side LED2 LED3 Petrol Injector 3 Petrol injector side LED 5 yellow diode BIST ASMEBRBL SAWS SRe Ez Switch buzzer Switch button Interface Tx Gas temperature Reducer temperature Lambda 1 Interface Rx Manifold Absolute Pressure Vacuum Reducer differential pressure Level indication sensor F4 RPM G1 Gas Injector 1 G2 Gas Injector 2 G3 12V ignition from the ke G4 GND Hi Gas Injector 3 H2 Gas Injector 4 H3 12V Solenoid valves H4 12V Battery Peer Teer Per ee errs o 5 i ent EEEE az O 12 V To the kN 9 1 12V solenoid valves 28 12V Battery 2 GND solenoid valve GND multivalve 29 12V LPG Injectors GND level indication sensor 3 GND interface GND temp sensors 39 GND Ae GND battery 4 Injector LPG 8 31 Injector LPG 7 5 Injector LPG 6 32 Injector LPG 5 6 Injector LPG 3 33 Injector LPG
19. EE AEAEE 29 SrO Firmae update Procedur enennaa e i E N A N nda O N N N A 30 Hint Click with Your left mouse button on any of above chapters to go to its page 2 30 1 OSCAR N SAS product line controllers description OSCAR N MINI SAS Very fast Central Processing Unit 120 MHz Built in petrol injection emulator with resistance 100 Ohm Full feedback diagnostic of gas injectors circuits system signalizes an error after detecting an circuit intermittence and automatically goes back to petrol Possibility of connection and reading the parameters of one Lambda probe version LS or connection of separate wire from ECU harness to cut off petrol fuel pump circuit after changeover to gas with programmable time delay version FP Possibility of starting the vehicle directly on gas by holding switch button Feature of filtering petrol injector pre pulses extra injections Software makes possible to adjust parameters of fuel supply system in very large scale Besides the correction due the vacuum in the intake manifold installer can adjust gas dosage regarding to RPM level gas temperature and gas pressure It is also possible to adjust mixture dosage for each cylinder separately and possibility of preheating the gas injectors before first changeover to gas Exit from cut off on petrol feature from too high gas pressure during cut off conditions Calculation of the multiplier value corrections can be done by a single click on the Ca
20. RAA Ena a o o ol TERA it Ele eee rn Pre 18 ee aa eae E SSS SS aS as LSS aa Saks ARARA EE Ss Ss pjig foo jo w a a o o o In this bookmark it is possible to adjust the composition of air fuel mixture in specific ranges of petrol injection opening time lt 2 25ms gt depending on RPM level lt 500 7500 RPM gt Thanks to that map we can adjust mixture by shortening or elongating the gas injectors opening time in range from 50 up to 50 19 30 Editing of the cells on the map can be done in following way 1 By clicking and holding left mouse button we are marking the area on which we would like to enter the desired percentage correction of gas injectors opening time 2 With right mouse button we click on any of cells marked by us 3 Pop up menu will show up with following list of options available to apply to selected cells e Clear all sets cells to the 0 value Set value sets cell to the value written from the keyboard Increase 1 5 increases current cell value by 1 5 Increase 1 5 decreases current cell value by 1 5 After selecting cells on the map it is also possible to modify their value with usage of Page Up and Page Down keys Page Up increases value by 1 Page Down decreases value by 1 Attention Additive and multiplicative time corrections ms from Corrections bookmark multiplier correction from Calibration bookmark a
21. and gas map blue colour buffers Colour marker on the intersection of horizontal and vertical dashed lines shows the actual values of vacuum and petrol injectors opening time Left axis is reserved for Multiplier line values blue horizontal line which is being used for adjustment of gas injection opening time for all gas injectors The point of multiplier can be marked by clicking left mouse button and moved up or down by holding this button Multiplier points can be also modified by keyboard shortcuts e lt lt left arrow changes active point to previous one by 1 ms right arrow changes active point to next one by ms bottom arrow decreases the multiplier for particular injection opening time In example changing the multiplier value from 1 0 to 0 8 will cause shortening of gas injection opening time by 20 upper arrow increases the multiplier for particular injection opening time In example changing the multiplier value from 1 0 to 1 2 will cause elongation of gas injection opening time by 20 14 30 Page Up moves the whole multiplier line up by 0 1 Page Down moves the whole multiplier line up by 0 1 3 5 1 Auto calibration on idle a Wait for the reducer to reach temperature of 50 C degree The engine should be running on petrol on idle revs air conditioning must be turned off b Press Autocalibration button and follow the instruction displayed during autocalibration proces
22. be enabled only for cars where the petrol injectors are constantly opened during high engine load conditions This can cause engine stalling during drive on gas These situation is found mainly in chip tuned cars First changeover enrichment after activating that feature it 1s possible to lean enrich the mixture once after first changeover from petrol to gas After first changeover to gas the gas injection opening time will be elongated shortened by selected Enrichment level in During desired Enrichment time in sec the enrichment impoverishment will be decreasing increasing linearly down to 0 Eg after setting the enrichment to 20 for 20 sec period after 10 sec from moment of changeover the enrichment value will be 10 after 15 sec It will be 5 and after 20 sec It will go back to 0 Function works when the reducer temperature is lower than Hot engine temp and only after first changeover to gas from the moment of engine start Hot start mode makes possible to run the car directly on gas without usage of petrol if the reducer temperature is higher than Engine hot temp C Injectors testing when this feature is be enabled controller is checking the continuity between the ECU and gas injector When the harness plug will have loose contact or the coil will get damaged the system will automatically go back to petrol and signalize the error eg Gas injector I not connected Inje
23. car can still run on gas If petrol injection time value will be higher than this value the car will changeover to gasoline When the petrol injection time will fall back below this value the car will go back to gas mode Pressure error time s time period during which the gas pressure could be lower than the minimum pressure value If the pressure will drop and stay below this value for time longer than this time period the car will change over to gasoline from too low gas pressure error Min gas RPM minimum value of engine s RPM at which car can run on gas If RPM value will be lower than this value the car will changeover to gasoline When the RPM will go back above this value the car will go back to gas mode Min gas Temp C if gas temperature will fall below that value during driving on gas the system will go back to petrol mode and will not allow to go back to gas mode until the gas temperature will be greater than this value Working and Minimum gas pressure Minimum pressure it is the lowest value of gas pressure at which the system allows to drive on gas If the gas pressure will fall below this value for time longer than value set in Pressure error time the car will change over to gasoline from too low gas pressure Working pressure is the normal value of gas pressure during last autocalibration on idle Working and Minimum gas pressure values will be updated automatically after au
24. ced in such a way to avoid the negative impact of high temperature and humidity It is highly prohibited to spray ECU box with water jets or expose it to long lasting contact with water ce wW oF Tt MET The injectors efficiency should be selected in such way so that at low and high engine load conditions the petrol injection opening time on gas should be equal to petrol injection opening time on petrol Tables given below should help to make right choice For CNG E HP cylinder 15 ae Ei x 6 cyl x 8 cyl ee ean 38 45 53 HP 152 212 HP 228 318HP 304 424HP 1 nee i Da i ee ad 30 38 43 HP 120 172 HP 180 258HP 240 344HP nae i ee N om Panes 22 28 34 HP 88 136 HP 132 204HP 176 272HP ade a gt i oai ee 15 20 26 HP 60 104HP 90 156HP 120 208HP pa a n o Ba For LPG Spec Type HP cylinder 15 ee bi x 6 cyl x 8 cyl pera esa 40 50 60 HP 160 240 HP 240 360HP 320 480HP ae ce a oa alee 33 42 50 HP 132 200 HP 198 300 HP 264 400 HP Gas ie ns oa ea 26 32 39 HP 104 156HP 156 234HP 208 312HP ais os a oar w 20 25 30 HP 80 120 HP 120 180 HP 160 240 HP poe ie r m par 6 30 You might also use EG2000 Assistant available in OSCAR N SAS software EG2000 Assistant Parameters Fuel type Working gas pressure bar Power HF Cylinders number Cutpuks Recommended injector type For pressure
25. ctors restoring by enabling this feature we ensure that all connected gas injectors will be marked active for changeover to gas during every engine start Useful when some gas injector have been accidentally deactivated by user or autocalibration process has been interrupted Exit from cut off through petrol this feature might be useful when installed reducer is giving very high pressure at the outlet during cut off conditions If the reducer s gas pressure differential will exceed value given in the field Cut off pressure kPa the controller closes the gas injectors and turnover back to petrol After the amount of time s given in field Return to gas after s the controller is going back to Auto mode Pressure corrections options which makes possible real time gas injection opening time correction depending on difference between actual gas pressure value and Working pressure value 22 30 Adjustable parameter describes how much in the mixture should be enriched leaned by elongating shortening the injectors opening times when the pressure in at the injector rail will start falling rising rapidly from Working pressure value to compensate the mixture impoverishment enrichment Examples a Working pressure 100kPa Correction 5 10 during fall of pressure down to 90 kPa 10 gas injection opening times will be elongated by 5 a Working pressure 100kPa Correction 10
26. e gas injection opening time to lean the mixture so finally the LTFT are going in positive direction they are growing Actual value of calculated corrections we should control from time to time To big absolute value of these correction mean that some mechanical part might be worn out and we should make some mechanical adjustments to some parts of sequential gas injection system 3 11 Errors Warnings bookmark Error appearance is being signalized by quick blinking of changeover switch yellow diode and immediate changeover back to petrol Error Warnings sign will also change its colour to red In case of appearance of Gas pressure error the buzzer will give long signal additionally Continuous error acoustic signals will be continuously informing about an error until it will be manually turned off by the user If unselected the acoustic signal will appear only once for a short period of time Erase errors makes available to erase all errors which have occurred Erase warnings makes available to erase all warnings which have occurred 3 11 1 Errors list rJ Oscar N SAS Software 1 08 File Ports Help es Errors Warnings uUCLEEA CULTS 1 x Yacuum sensor not connected Pressure sensor not connected i Gas temperature sensor not connected Errors Settings Chang M Continuous Error Warnings Erase errors Erase warnings OK Following errors are being displayed by software
27. ere we can change the software language to different one The software starts always in the same language as PC operating system language If language is not supported software automatically starts in English language 3 15 Loading and saving settings ol Oscar N SAS Software 1 08 AET Ports Help Load FE 105 Save Settings jer vice Upload Firmware Factory Settings Exit Ctrl g It is possible to Save current controller settings in a set file All the settings like the multiplier values sensor types petrol and gas maps etc can be saved on disk and can easily restored in any moment by pressing the Load button In any moment we can restore original values of the controller by choosing the Factory settings It is also possible to update the controller s firmware by choosing Upload Firmware 29 30 3 16 Firmware update procedure This instruction informs step by step how to upgrade firmware in OSCAR N SAS controller to latest version In example given below we assume that latest version of firmware is 0 89 and in controller we have version older than the one that we want to upload into controllers memory eg 0 85 Latest version of software is always available for downloading at our website http www europegas pI en Technical Support Software If controller has been already calibrated and set up please try to remember the present settings as there is a risk
28. lculate adjustments button in the software after collecting petrol and gas maps Auto adaptation feature ensures that during the driving on gas multiplier line is being automatically corrected within desired ranges tolerance in in places on the map where petrol and gas lines are not close enough to each other works even without connected PC OSCAR N PLUS SAS All features present in OSCAR N MINI SAS are included in OSCAR N PLUS SAS moreover it has all features mentioned below Possibility of connection and reading the parameters of two Lambda probes at the same time Feature of full injection opening mode for chip tuned cars with petrol injectors constantly opened during very high loads Possibility to force gas injector to be opened at minimum opening time value to avoid not full gas injector opening when too slow injector has been installed Separate wire from ECU harness to cut off petrol fuel pump circuit after changeover to gas with programmable time delay 3 30 OSCAR N OBD CAN SAS Moreover it has all features mentioned below Built in 100 Ohm and 75 Ohm petrol injection emulator with possibility of changing resistance value to from the level of software special feature for customer s request Built in datalogger circuit activated by holding the switch button during the driving makes possible to register and save to memory all system parameters Helpful to diagnose a malfunction when the car is out
29. le autoadaptation will be making correction Recommended value is between 12 and 16 points depending on the maximum range of petrol injection opening times 18 30 For proper use of autoadaptation it is necessary to have petrol and gas maps collected accurately The petrol and gas map buffers should be full in 100 each The maps lines mustn t have curves or gaps in their full scope The round marker located on two lines intersection should have green colour in full range of engine loads The effect of proper usage of autoadaptation has been shown on below screenshot Settings Changover Calibration Map Corrections Advanced OBL Oscilloscope 16 17 18 19 20 21 aes 4utoadaptation Working range ms Autocalibration Petral lock Maximum mult range Autoadaptati 3 6 Map Panel Settings Changover Calibration Map Corrections Advanced OBD Oscilloscope merem Soo 1000 1500 2000 2500 3000 3500 4000 4500 sooo 5soo eooo esoo 7o00 7500 Mees s os oo co flo Pll Pol Plo ol ol a ss o J o fo o o Jo jo EE ee SS SiS SiS es D so sosoo o EAA S a oo J oo o oa o J o jo o Jojo jou eee ts o d o oo o S o o o o o o f non o oe a o a ss o i o wwe o o o o Ps os a o o ok E o o To oi A TEA EE Oo e map Coie valui ie REAA A fie o AS SSS Ss EE Oe Ess ec 4 im O MA Era o o ol AA
30. nd correction from RPM from Map bookmark summed together give final gas injectors opening time The corrections regarding the gas pressure and gas temperature are also being applied all the time Therefore before every another autocalibration we will be reminded by software to restore default settings to all modified corrections 3 7 Corrections Panel This option makes possible to manually change the Additive and Multiplicative corrections in ms for particular gas injectors This option is useful especially for V type engines when we can observe differences in petrol injection opening time values between both engine sides after changing over to gas Settings Changover Calibration Map Advanced OBD Oscilloscope Additive Multiplicative Correction 1 ms Correction 2 ms Correction 3 ms Correction 4 ms Correction 5 ms Correction 6 ms Correction 7 ms Correction 8 ms Common correction F m om a co Pe Ph et sI mm mmn mm mm Lo co mm EEE E 4 4 Correction 1 36 Correction 2 Correction 3 Correction 4 Correction 5 Correction 6 Correction 7 Correction 8 Common correction 20 30 Additive correction value of this correction in ms is being added to petrol injection opening time when car is on gas That value is a being set by software automatically during autocalibration process
31. of loosing then after firmware update and it will be necessary to set up the controller manually from the beginning 1 We are turning on the ignition key to give 12V to the controller we can turn to ACC position or just start the car ATTENTION Don t loose the 12V from the key during firmware update process as it will interrupt the communication between OSCAR N SAS controller and PC In result controller can get damaged 2 We start OSCAR N SAS software and after establishing FTE AE connection with the PC Settings loaded message box will fases nep appear we are choosing from main menu File gt Upload Firmware Factory Settings Exit Ctrl Q Load Settings eee service Language Save Settings 3 In new opened window we are choosing file firmware _sas_0_ 89 img and we are confirming start of uploading firmware In bottom right part of program window we can observe the status of updating progress Settings Changover Calibration Map Correctir seta changover Calbraton Map Core 4 After finishing updating process message with information that firmware has been updated successfully will appear We need to confirm it by pressing OK It is not necessary to turn off and turn on power supply of the controller ATTENTION After uploading the new firmware please don t try to Load the previously saved settings which eventually have been saved before firmware update
32. of workshop Possibility of erasing OBD errors plus monitoring and making corrections of gas injection opening times regarding petrol injection Fuel Trims separately for both Banks for OBD CAN protocols and for older OBDII protocols directly from ECU harness no OBD adapter necessary All features present in OSCAR N MINI and PLUS eee S are included in OSCAR N OBD CAN SAS WEES europen 4 30 2 OSCAR N MINI PLUS OBD CAN SAS way of assembling 2 1 OSCAR N MINI SAS installation diagram Petrol ECU side MINI SAS LS MINI SAS FP ECU 1 C1 grey black 1 B1 grey 2 A1 yellow black 2 A2 yellow 3 B4 purple black 3 C4 purple 4 A3 blue black 4 A4 blue 1 G1 grey 2 yellow 3 H1 purple H3 rediwhite imm 12 VLPG injectors or sands ema t g ag t RPM signal F4 brown 0 35 mm 0 35 mm Pressure sensor To vacuum 1 G4 black Sime E 4 G3 red zaj 0 35 mm Interface 5 E4 yellow 6 p ria 8 7 6 5 7 4 1 fuel pump circuit 8 D4 blue 3 2 1 Sn et tore 12V batt a H gt L To gas E1 yellow 1 f Injectors G4 black temperature sensor TS ee e EA i 0 35 mm Level indication sensor G3 red n AEB 1050 or 90 ohm F3 white mei o G4 black 0 35 mm k TN E2 white 0 35 mm 1mm gt Switch iS j G4 black G4 black G4 black 4 all 0 35 mm t A H3 blue H3 blue mm D1 yellow A M L amp brom R Reducer lt
33. on the left vertical axis C kPa V RPM ms Clear Load Save Record and Stop the oscilloscope signal shape 23 30 We can enable disable displaying the particular value of signal anytime on the right parts of Main software window by checking unchecking checkbox next to it After pressing Stop button the lines are stop being drawn We can rewind the signal to any moment This option can be used for checking what were earlier indications of signal Below we can turn on the values of measurement for the parameters which we would like to see the values in particular moment By using Download feature we can load and watch the system driving data registered by the datalogger feature feature present only in OBD CAN SAS controllers 3 10 OBD Panel j gt j TEEN m Settings Changover Calibration Map Corrections Advanced OBD Oscilloscope Load value Coolant temp C PO OBD connection Connected _ Short Time Trim 1 ee Long Time Trim 1 Short Time Trim 2 Tn nnn Protocol 1S0 14230 KPW 2000 FAST w w Long Time Trim 2 Manifold pressure kPa Po _ Engine RPM po Cys 123 4 _ Ignition Timing deg _ Air temp C po Cir Fow fof Ba Throttle position 6 Po _ Oxygen Sensor B1 51 V O Bank2 wt j Y T Oxygen Sensor B1 52 v O O an _ Oxygen Sensor B2 51 V O T Oxygen Sensor 62 52 v O Neutral point 6 POOS Fuel Rail Sys
34. onditions like work of the engine on idle and they are being an averaged value from STFT Corrections are showed up as a percentage Positive value means that in that particular moment the mixture is too lean and petrol ECU is trying to elongate the petrol injectors opening time to enrich it Negative value means that mixture is too reach and petrol ECU is trying to shorten the injection opening time to make it leaner The concept of banks is referring to V type engines Cylinder marked as no 1 should be always in bank no V type engines should always have one side assigned to bank no 1 cylinders with numbers from 1 to 3 or from 1 to 4 and another side to bank no 2 cylinders with numbers from 4 to 6 or from 5 to 8 Straight type engines should have all the cylinders assigned to bank no 1 Algorithm of controller s adaptation in dependency of OBD corrections is basing on reading actual values of STFT and LIFT and depending on these values elongating or shortening gas injection opening times In result of such actions mixture is being enriched or leaned to keep the STFT and LTFT in desired range 25 30 In example if LTFT are going too far in positive direction they are growing algorithm is increasing the gas injection opening time to enrich the mixture so finally the LTFT are going in negative direction they are falling If the LTFT are going to far in negative direction they are falling algorithm is shortening th
35. ower than Minimum gas pressure kPa threshold value Gas pressure above maximum cut off actual Gas pressure kPa value is higher than Cut off pressure kPa threshold value 3 13 Service Total working time hh mm Gas working time hh mm Service time hh mm Firmware Version Serial number Date of production yyyy ww 1D number Last modify yyy mm dd 2012 08 03 Set service time In Service bookmark we can find following information about ECU working time gas working time service time firmware version serial number date of production ID number last settings modification date 28 30 Service time here we can set value of time left for the next service inspection It can be set in amount of kilometers left to make before the service inspection will be signalized We assume that 1 hour of system work is equal to driving 50 km Service time Service time is being signalized only when Total working time hh mm will reach the value set in Service time hh mm When it will exceed that value then after every start of the car in Auto mode the buzzer will sound for a short period yellow diode will blink few times and car will automatically go back to Petrol mode In such case we need to press button to go back to Auto mode every time when we want to drive on gas unless we will disable or set another Service inspection 3 14 Language Language H
36. requency 4 times per second system 1s signalizing an error eg no RPM signal or Low gas pressure error which is causing instant changeover to petrol emits light constantly system is in gas mode Gas level status diodes 4 diodes shows amount of fuel level left in the gas tank 4 diodes emitting light simultaneously indicate full tank All 4 diodes turned off means that the gas tank is almost empty Fuel type selection switch every single press of the button changes the type of selected fuel For an emergency start of gas without usage of petrol eg when the petrol fuel pump has been damaged it is necessary to 1 press and hold the switch button before starting the engine move the ignition key to ACC position wait for opening of solenoid valve start the engine on gas release the switch button Attention In OSCAR N OBD CAN SAS pressing and holding the button for 5 seconds during driving on petrol or gas will enable disable registering the system data parameters to the controller memory Later on recorded parameters might be downloaded to the PC with diagnostic software 8 30 3 OSCAR N SAS diagnostic program description Attention Before running the software please make sure that You have Java Run time Environment in version not lower than 6 update 24 installed on Your PC If not it is possible to install it after execution of software installer You can always download the latest version from
37. riod shorter than that time value If calculated injection opening time would be shorter than this value the injector will stay opened for that amount of time instead That feature might be useful when calculated gas injection opening time is lower than real minimum value of opening time for particular injectors which may cause engine stalling in example during exit from cut off Eg when we set this parameter at 3 3 ms and the controller has calculated gas injector opening time less than 3 3 ms like 2 6 ms injector will be forced to be opened for time not shorter than 3 3 ms Attention For VALTEK 30 RAIL IG1 type injectors the parameter value shouldn t be higher than 3 8 s 21 30 Ignoring the petrol opening signal below this parameter sets the minimum threshold below which the petrol injectors opening time will be not read and not converted to gas injection opening time This option should be enabled when petrol injection controller generates very short pulses on petrol injectors from 0 3 ms up to 1 1 ms which normally doesn t cause dosage of petrol fuel but after summation with all controllers corrections eg additive multiplier and map correction etc might cause unwanted gas injection Default value 0 means that every pulse from petrol injector will be moved onto gas injectors Attention Maximum allowed value of this parameter 1s 1 9 ms Petrol injectors full opening mode this option should
38. s Cyls per coil Ph RPM signal level Injection type Sequential n E E a Injectors controlled by GND 4 oo Lambda sensor Actual gas level 128 Pressure sensor ABS400kKPa Reducer temp sensor Vacuum sensor ABS400kPa we Gas temp sensor a set Fuel type on which car is running b set proper Cyls Numbers 1 8 according to amount of petrol gas injectors connected c set proper value of Cyls per coil 1 8 how many cylinders we have for 1 ignition coil to get proper value of RPM d set proper value of RPM signal level 5V or 12V usually 12V if signal is taken from ignition coil e set proper Engine type Standard or Turbo to have proper vacuum range on the map f set proper Gas injectors type H2000 EG2000 type ABC 1 9 Ohm H2100 EG2000 type A 1 3 Ohm Keihin BRC 1 9 Ohm Rail IGI 3 Ohm Rail IG5 3 Ohm Magic Jet Matrix Matrix HD344 HD544 Rail IG3 Horizon 2 Ohm Rail IG3 Horizon 2 8 Ohm Reg OMVL Fast Valtek 30 3 Ohm Valtek 30 Rail IGI 2 Ohm Valtek 30 Rail IGI I Oh Valtek 34 g for cars with Injectors controlled by full group strategy all injectors controlled by single signal change the petrol Injection type from Sequential to Full group h only for cars with petrol injectors controlled by positive pulse please change the value Injection controlled by field from GND to 1 set proper
39. s The progress bar in the bottom right corner of window is showing current autocalibration progress If the gas amount given to the engine would be too big too small user will be informed by a proper message c If calculated Correction ms value additive correction for cyl no 1 from Corrections bookmark is being shown in bottom right side of window after autocalibration will be within safe margins lt 0 5 ms 2 5 ms gt erase the petrol map by pressing Erase Petrol Map button and gas map by pressing Erase Gas Map button If not please change the injectors type or nozzle size gas pressure according to programs suggestion and go back to point 3 5 1 a 3 5 2 Collecting maps during the drive and calculation of adjustments Settings Changover Calibration Map Corrections Advanced Oscilloscope 24 25 ms Autocalibration Calculate Correction ms l Autocalibration Autoadaptation Erase Adjustments 1 00 a Go for a drive to collect petrol and gas maps in full range of loads drive until 100 of both maps will be collected and lines won t be having any gaps or sharp curves The maps are being registered inside the ECU so it is not necessary to have PC connected during map collection process however it helps to collect them more quickly Two vertical bars red and blue on the right side of the map are showing where we still need to collect some points We need to keep the engine
40. te Read error codes reads stored error codes from the OBD with the description of each code Erase error codes erases stored error codes from the OBD In some particular cases for successful erasing of OBD error codes we need to do it when the engine is off and 12V from the key is being given to the controller ACC position of the key Parameter Max correction shouldn t be bigger than 15 This parameter sets the maximum value of Long Time Fuel Trim which gas controller will try to adjust by changing gas injection opening time In example when this parameter will be 15 and the LTFT value will be 25 the OSCAR N OBD CAN SAS controller will be trying to adjust the injection opening time just like for the 15 value OSCAR N OBD CAN SAS controller reads the value of mixture correctors from OBD and sets the amount of gas injected so the Short Time Fuel Trim STFT i Long Time Fuel Trim LTFT will be oscillating as close to expected car s manufacturers default values so called neutral point as possible STFT and LIFT mixture correctors are referring to the corrections dynamically imported to table of injection opening times in original petrol ECU These corrections are being made all the time to obtain the ideal proportions of stochiometric value of air fuel mixture 14 7 1 STFT are referring to temporary conditions of driving like rapid accelerating braking etc LIFT are referring to long lasting c
41. tem Pressure Too Low PO170 Fuel Trim Malfunction Bank 1 Max correction PO3O1 Cylinder 1 Misfire Detected Bank 4 Bank 5 Clear Error Codes Read Error Codes Calculated OBD corrections OBDII connector s pin out description Pin 4 GND Pin 5 GND Pin 6 CAN High Pin 7 K line Pin 14 CAN Low Pin 16 12V To use this feature it is necessary to connect to the car s OBD connector with CAN Low OBD pin 14 yellow wire and CAN High OBD pin 6 white wire or with K line OBD pin 7 blue wire wires from harness of OSCAR N OBD CAN SAS controller according to assembling diagram 24 30 We need to select Type of protocol according to connection made There are following groups of protocols available one the list K line protocols SO14230 KWP 2000 SLOW ISO14230 KWP 2000 FAST SO9141 I SO914 1 2 OBD CAN protocols CAN 250kb 11bit CAN 250kb 29bit CAN 500kb 11 bit CAN 500kb 29bit Then after enabling OBD connected feature we should turn off the car wait for the system too loose 12V from the ignition key and restart the car From now we can watch selected OBD parameters in application Attention Frequency of refreshing the OBD parameters values is depending on amount of parameters selected for reading When we want to use OBD corrections it is recommended to leave only Long Time Fuel Trims 1 and Long Time Fuel Trims 2 in case of having 2 banks parameter selected for quicker upda
42. tocalibration In case of manual change of reducers pressure these values must be updated every time Attention The system by default 1s making corrections of gas injection opening time according to working gas pressure value Therefore it 1s necessary to have working gas pressure parameter value in the software agreeing to real value of gas pressure in the system 13 30 3 5 Calibration Panel Ud Oscar N SAS Software 1 08 all xi File Ports Help Conditions Errors Warnings Service Language EG2000 Assistant Nozzle calculator Help IV Gas pressure kPa 108 27 V Manifold pressure kPa Settings Changover Calibration Map Corrections Advanced 080 Oscilloscope JV Reducer temp C 79 31 IV Gas temp C IV RPM 750 Supply voltage Y 13 8 M Lambda v 0 0 Lean Rich V Petrol inj time ms 2 7 V Gas inj time ms 4 3 24 25 ms Correction ms Autocalibration Calculate Erase Petrol Map Autocalibration STOP Autoadaptation Erase Adjustments Erase Gas Map i On Gas W 16 a 1 23 Map In Calibration bookmark is showing dependency of petrol injectors opening time on petrol red points and petrol injectors opening time on gas blue points ms related to value of manifold absolute pressure vacuum in the engine inlet manifold kPa On the right bottom side of map workspace there is indication of petrol red colour
43. under max load bar Recommended injector type For pressure under max load bar In case of using standard valve type injectors like RAIL IG1 You can use the Nozzle calculator available in OSCAR N SAS software Hozzle calculator Number of Cylinders Power HF Injection type Sequential ww calculate Om Clase Attention Algorithm assumes that reducer s differential pressure has been set at 1 bar for LPG reducer or 1 8 bar for CNG reducer Calculated values are only approximate values and it 1s recommended to start drilling the injector nozzles from a diameter smaller from calculated one by 0 2 mm and depending on the communicates during autocalibration eventually increasing it by step of 0 2 mm Table given below should help to make right choice Nozzle diameter mm Power for 1 cylinder HP 1 8 2 12 17 2 1 2 3 18 24 2 4 2 6 25 32 2 7 2 9 33 40 3 0 41 48 7 30 2 5 Usage of changeover switch Fuel state diode the yellow diode show current fuel status It can indicate 5 following states 1 2 3 4 5 turned off system is in petrol mode blinking at 1Hz frequency once per second system awaits for reaching min reducer temperature blinking at 2Hz frequency twice per second system is in Auto mode and awaits for reaching other conditions required for changeover eg RPM preheating injectors etc blinking at 4Hz f
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