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BIAŁYSTOK 05

1. 8 mm D Lu x BROWN A A i n nl L ul INERFACE 1 DIAGNOSTIC m IGNITION RS 232 or USB 1 CONNECTORS COIL INTERFEJS t 4 m zd 3 VIOLET ECU FUSE zip 1A ee E IGNITION LAMBDA SWITCH PI 1 Pl 6 LI 1 L1 6 SENSOR ATTENTION n PETROL INJECTORS LPG or CNG INJECTORS ann PUN Ni Proper fuse needs to be placed wr YELLOW BLUE RED ul into the socket iia FUSE iz YELLOW BLACK GREY YELLOW mn BROWN WHITE GREEN GREY BLACK SS PETROLILPG GREEN RED smack O gt E r SOR AWA BLUE RED SWITCH WHITE Hav re os IN ae GREY GREEN AS BLACK I BATTERY RED LPG LEVEL SENSOR PRESSURE RED WPG L3 7 SENSOR O BLACK O P Sc BLUE RED WHITE c ial 2 be ug e E D pr BUZZER a T RED BLACK SRETRED P5 01 A Premaure MAP BLACK R WHITE RED mantfold LPG LEVEL SENSOR O WHITE GREEN reducer WPGH L RED 12V BLUE BLUE RED al 12V ry E ORANGE au MULTIVALVE E BLUE BLACK GREY BLUE BLUE Cc A ro INLET U MANIFOLDS WATER BLUE RED MEASUREMENT TEMPERATURE GAS H CT 04 2K ORANGE BLACK GREY ORANGE a Li TEMPERATURE SENSOR LPG or CNG ue ele ELECTRO VALVE VIOLET EE BLACK RED A ey ORANGE BLACK REDUCER E VIOLET BLACK GREY VIOLET BLACK B LPG or CNG OUTPUT FILTER WATER Fig 1 1 STAG 200 Connection Diagram for Vehicle Installation Page 4 of 45 1 2 STAG 4 Plus Connection Diagram N BROWN IGNITION COIL PI 1 PI 4 PETR
2. LPG CNG LNITECTION CONTROLLER BROWN g d J g ocho LJ F One L E a tt IGNITION L COIL L 1 INERFACE 1 DIAGNOSTIC RS 232 or USB 1 CONNECTORS ET Chose the proper type Es hed SE of sensor In software VIOLET GREY VIOLET GREY VIOLET PI 1 Pl 8 LI 1 L1 8 VIOLET VIOLET VIOLET GREY PETROL INJECTORS LPG or CNG INJECTORS TE NEC NELLE ra i loo l ll b VEO L1 gJ EH BLUERED ECU ECU ECU leat x LAMBDA LAMBDA Fg UEGO l aE YELLOW BLACK uf GREY YELLOW a I SENSOR SENSOR 2 Fg SENSOR V RED BLACK before for 6 and 8 a wideband i m g catalytic converter syindee version j IGNITION ore catalytic converter i ma t uz amp WE d SWITCH VOLTAGE iii E CURRENT A GREEN BLUE RED SENSORS gd SENSOR 12V rar lfc EE o N c de E HM E S E EET ENS N ie hee acis da bd S S Ka 4 i D GREEN BLA K l GREY GREEN WHITE GREEN BLACK GREY BLACK WEE u3 C PETROL LPG or
3. utogaz C elektronika systemow autogaz Connection and Programming Manual for STAG 200 STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium controller also available in the diagnostic software and at www ac com pl ver 2 8 9 2013 07 09 Manufacturer AC Spotka Akcyjna 15 181 Bialystok ul 42 Putku Piechoty 50 Poland tel 48 85 7438148 fax 48 85 653 8649 www ac com pl e mail autogaz ac com pl Page 1 of 45 Table of contents UNIONEM 4 1 1 STAG 200 Connection Diagram cuis oseres couv ex ehe eox ee dra Sweet Eu aoa d 0b Cows OY EB eu Reed vc UR Sven SUV Osa o qe Coup du ER v eb era ds 4 1 2 STAG 4 Plus Connection Diagram essseeesseeeeeee eene nennen nene nnne nnne nennen 5 1 3 STAG 4 Eco Connection Diagram ccssccscoscsssccsccessssccsccessasccsccessascosssessescosssescescoessascescs 6 1 4 STAG 300 ISA2 Connection Diagram ccccceccseccssceecceeceeecesccenscenscenceeecteeceecesecenseenseeecees 7 1 5 STAG 300 Premium Connection Diagram eese eene eene nennen 8 1 6 Wiring Diagram for semi sequential SYSTEMS ccceccccesecccesccceesececeeececseeeceseueceeaueceeauness 9 1 7 Connection Diagram for full group SYSTEMS eessesssseeseeen eene emen nnne 9 1 8 STAG 200 STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium ECU installation TV OLIV OG RR 9 1 9 Selection of Pressure Regulator v
4. BLUE GREY Fig 5 Connection Diagram for semi sequential systems 1 7 Connection Diagram for full group systems GI 1 GI 5 GAS INJECTORS GI 1 2 iri UN BLUE_RED 12V TY YELLOW GREY l Gl2 al Sl BLUE RED 12V GREEN GREY GI3 am cy J BLUE_RED 12V RED GREY GI 4 Ji cb BLUE_RED 12V BLUE GREY PI 1 Pl 6 PETROL INJECTORS et 7 ec RA dle Am cousgsoo ANMG com BLUE BLACK Fig 6 Connection Diagram for full group systems 1 8 STAG 200 STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium ECU Installation Method During the STAG 200 STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium installation it is suggested for the wire set to point downwards Regardless of the type of ECU it is suggested that it is placed in such a way to avoid the negative impact of high temperature and humidity 1 9 Selection of Pressure Regulator Install the system according to the connection diagrams Fig 1 Fig 2 Fig 2a Fig 3 Fig 4 When installing the STAG 200 STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium sequence gas injection systems it is important to select the proper pressure regulator for given engine power as well as injector nozzles Improper selection of the pressure regulator in relation to the engine power will result in t
5. vw RPM rpm Iv TEMPERATURE C Gas Fig 17a Search window Search window gives ability to input searching equations Button with green cross F adds new condition to the list button with red cross x remove selected condition Button with loupe P begins searching procedure Searching in long files can take a while that s why progress bar in top right corner of the window is available At the end of searching results are shown in right side of the window They appear as range of indexes that meet defined conditions Clicking right mouse button on item form search result list moves oscilloscope cursor to chosen result 2 12 Errors The Error window shows the following field Continuous acoustic signal for errors if selected acoustic signals will inform of an error until manually turned off by the user If unselected the acoustic signals will remain on only for a set amount of time Page 28 of 45 c The Actual Errors window shows current errors recorded by the controller and the Saved Errors window shows errors recorded during the controller s operation The following errors may appear during operation Injector No Error no LPG injector No or injector damage Voltage Error voltage at the controller s power supply lower than 9 V LPG pressure too high the LPG pressure has been two times higher than operational pressure for 60 seconds a reducer problem LPG pressure too low
6. 3t 204 1p r Z 04 A 5 40 20 301 AL 40 z lg o a E EE EE EE T A a r 15 20 cm 30 35 4p 45 50 55 60 65 3i nm m en E 5 2D View 11 6 ms 21 32 Fig 23 Deviation of 3D injection time maps 2 17 The status of 3D injection time map acquisition for STAG 300 ISA2 controller only The 3D injection time map recorded during petrol drive is a model petrol map for the ISA2 AutoAdaptation mechanism The AutoAdaptation process is carried out via continuous comparing of the engine s run at definite parameters load and RPM with acquired model map An additional task shall comprise its correct acquisition In order to monitor the map data acquisition process the application has been provided with a special view of the petrol map acquisition status available via the State button M Injection time ms B Collector pressure KPa e P State RPM rpm G D The engine run areas needed for collect the missing of points s00 unimn3adn2a3 Hdd uonoanna dwaj uoajed Petrol Erase eD View x 12 3 ms 1 03 Fig 24 Petrol map acquisition status Page 35 of 45 c In the course of drive the controller interprets in real time the status of acquisition of map points The engine run areas required for the acquisition of points such that the data acquisition could be regarded complete are displayed as chequered rectangles The vertical line visible on the left
7. delete a point from the map Page Up move the map up Page Down move the map down Ctrl or Ctrl gt change the active point move to the next one When the Shift key is pressed in the map movement speed is multiplied by 10 fast movement When no point is selected the J arrows move the entire map Page 30 of 45 c Apart from the multiplier map there are two other maps in the window The blue map represents the petrol injection times with petrol The right axis Collector pressure Kpa and the lower axis Injection Time ms relate to this map The map consists of blue points After collecting the data the controller turns these points into a continuous line The same applies to the so called LPG map i e the map of petrol injection times with LPG which is green After the controller collects both maps i e the petrol and LPG maps the Deflection tab becomes active where a red line shows the difference between petrol and LPG The map window in Fig 18 shows a blue square marker its position changes vertically depending on the collector pressure and horizontally depending on the petrol injection times It is very useful during map collection as it shows the load and injection times of the engine The Erase button is used to delete the petrol and LPG maps NOTE in the case of STAG 300 Premium controller petrol fuel map is collected only when OBD adaptation is switched off 2 14 3
8. the LPG pressure has dropped under the min pressure value for a set amount of time No petrol injection the controller has detected a lack of petrol injector signal for one or more petrol injectors Data error check settings the controller has detected a settings error check all controller settings Power supply voltage too low for LPG CNG the controller power supply is too low to work with LPG Working time error Controller Info has been damaged and automatically deleted In this case the First PC Connection and First Settings Modifications info will not be shown The following warnings may appear in the Warnings window LPG injectors fully open Check the lambda probe at full engine load LPG injection loop i e an LPG injection s started before the previous LPG injection ended If the lambda probe is rich at the time of this message this warning may be ignored Otherwise replace the injectors nozzles with higher diameter ones to decrease the multiplier Inspection of Gas system required The installation requires a periodical service visit To delete this message go to the Controller Info settings click Set Inspection and either set the next service visit in kilometres or select Off in which case the service reminder will be inactive Car runs in emergency mode on LPG CNG There is a Delete button at the bottom of the screen used to delete all registered errors Page 29 of
9. The LED switchboard consists of LED line indicating LPG level the LED indicating type of fuel button LED line shows current LPG level in the tank 4 green LEDs indicate a full tank a red LED indicates reserve The LED shows current operating status off the engine runs on petrol Slow blinking once per second awaiting engine temperature reading normal blinking twice per second the controller is in the auto mode waiting for required rpm before switching to LPG fast blinking 4 times per second controller error no LPG in the tank On the engine runs on LPG Push button for switching from one fuel type to another The controller remembers the last fuel type setting before switching the ignition switch off In order to start the engine on LPG e g when the petrol pump is damaged press in and hold the button on the LED switchboard while turning the ignition on The LED should come on When the engine revolutions are detected the controller turns the solenoid valves on and the engine starts on LPG In this mode it is not possible to turn back to petrol Turn the ignition off to turn this special mode off 4 2 Automatic calibration of LPG level indicator The automatic calibration of LPG level indicator should be carried out when an empty tank is being filled with gas The indicator type should already be set but if necessary the procedure itself may change its type e g from ascending
10. or boxer engines the controller may have 2 banks Bank 1 and Bank 2 The trim value STFT B2 and LTFT B2 are different from zero In this case an individual gas injector must be set to the relevant Bank In order to do that Press Gas injectors settings button in the Parameters bookmark The window Gas injectors settings will be displayed Gas injectors settings Gas injectors corrections Bank1 Bank2 D ap en ee a re L b b Fig 14 Gas injectors settings window STAG 300 Premium Start the engine wait for the controller to establish connection with OBD The engine should operate at low rotation speed with adaptation off Set correction value for all gas injectors to zero Remember the correction value STFT and LTFT for Bank 1 and Bank 2 Next perform the following procedure starting from gas injector 1 1 In the window Gas injectors settings change the correction value of the gas injector from O to 25 96 2 Observe for which of 2 Banks STFT LTFT corrections change towards lower values 3 After identifying for which Bank corrections change match a given gas injector with the corresponding Bank 4 Change the value of gas injector correction to O After that the STFT and LTFT should return to the initial values priori to point 1 Repeat the procedures described in steps 1 to 4 as many times as there are gas injectors in the system After matching gas injectors with bank
11. Uv means lean P3lv Gilv P4lv GA RPH from camshaft sensor E Type of injection Standard P5 Gh v r Type of petrol inj Standard _ Pbiyv GEM rJ Gil RPH signal 24 E v T Iz RPH signal filter E Engine type Standard ii ed Wankel engine E YOLTAGE v Lambda 1 Lambda 2 Battery RPH rpm RPM Engine load 1 Active LPG CNG injectors TRTRTYTTM T 1 2345678 i aSoeceeeoe Readout Dave Manufacturer settings Connected STAG 300 61542 ver 3 40 0 2012 05 51 15 36 50 Fig 7 Parameters window Car parameters AC GAS SYNCHRO 8 3 0 3 Port Window Language Controller update Options Documentation Help PRESSURE IB Parameters AutoCalibration Errors Map Data recorder AutoAdaptation i Gas Bart MAP w 0 29 Car parameters Gas controller settings Advanced INJECTION TIME ms Petrol Gas 5 wibEch over to gas Calibration parameters Fuel type Eu 3 2 ee 5wilch over temp 30 E lC Gaz temp at calib 30 LPG f CNG Pv Gil Switch over threshold 600 E rpm Pressure bar m P4lv Gdi E 3 E s Operational 1 00 E Gas level indicator icd s y Ld Cylinder switch over 200 ms Minimum 0 60 7 iv Gil rJ v Hot start E AC GIAC 01 3 Ohm TEMPERATURE C Switch over to petrol Injector type AE Bis U1 pr Br Gas rz rJ 1 Min gas temp 0 E C Injectors heating E Red 3 E z z YOLTAGE Vv Hin gas RPH 0 E rpm Extra injection switch off threshold 0 0 E
12. i I I I I I I I I I I before for 6 and 8 wideband catalytic converter cylinders version i before catalytic converter VOLTAGE T CURRENT SENSORS SENSOR Lo BLACK P caja ATTENTION RED Description and connection diagram i of UEGO sensor is located in the help I NO CONNECT section of controller configuration mil program 2 I ATTENTION bu eS Le BLACK i O Proper fuse needs to be placed into the socket LPG LEVEL SENSOR WPG H 15A 4 cylinders verslon FUSE 20A 6 cylinders version 25A 8 cylinders version E RED BROWN T RED ly TE A HT BLACK AP rm B BATTERY BERGE all i 1 L LPG or CNG MULTI VALVE MANEOLD B dd ELECTRO VALVE D o EY Off iS SS m ELD OUTPUT k P ey CEU CIL PRESSURE and TEMPERATURE EN SENSOR Fig 4 STAG 300 Premium Connection Diagram for Vehicle Installation Page 8 of 45 c 1 6 Wiring Diagram for semi sequential systems PI 1 Pl 6 GI 1 GI 5 PETROL INJECTORS GAS INJECTORS et 7 ec amp j BLUE RED 12V YELLOW GREY di BLUE_RED 12V GREEN GREY BLUE_RED 12V RED GREY BLUE_RED 12V Amacuvsoqg omo com
13. ms Lambda 1 0 02 Max gas RPH 6000 rpm Gaz injectors settings Lambda 4 68 i 13 33 Max engine load on gas 100 E MES Battery rpm tere enai tine 300 ms Reducer temperature sens CT 04 2K included i RPM 80 n Engine load Switch off at the first error iv Gas temperature sens CT I2 finciuded i 1 r4 Active LPG CNG injectors IRRRRRRA 123456 7 6 eSooooeces f f fm fmm m m eo ma Readout Dave Manufacturer settings Connected STAG 300 81SA2 ver 8 8 40 0 2012 05 31 15 36 50 Fig 7a Parameters window Gas controller settings Page 11 of 45 AC GAS SYNCHRO 8 3 0 3 SEE Port Window Language Controller update Options Documentation Help PRESSURE IB Parameters AutoCalibration Errors Map Datarecorder AutoAdaptation i Gas Bat MAP Car parameters Gas controller settings Advanced INJECTION TIME ms Petrol Gas Emergency starts Pil 2 GIM o a HAZDA leaning Pai Gil ae E mad Turn off electra valve P3lv a3lv Performed Erase P4lv G4lv Phlw 35 v Pressure release PEM GEM Switch over threshold E E Bar M Gv iv d ts Pulse frequency Taj 17s TEMPERATURE C Cold engine leaning Gas iv Max gas injection time E ms Hed ra OLTAGE Reducer temp threshold E C lambda 4 iw Max RPM rpm Lambda 4 68 e il Battery 13 33 RPH rpm RPM w 680 Engine load 1 w Active LPG CNG injectors W 1234586
14. pressing the accelerator pedal doesn t result in jerking and so car dynamic isn t sacrificed Reducer temp threshold should be set to reducer temperature at which jerking disappears NOTE Deactivation of this property makes Cold engine leaning work in whole temperature range however caution must be taken to check if mixture on hot engine under heavy load is rich Failure to meet this requirement can lead to engine damage Max RPM should be set to rpm value which prevent power drop during high acceleration and provide rich mixture at open loop condition Page 16 of 45 Mazda leaning TM in some types of Mazda the petrol controller can in some conditions alter from sequential into semi sequential controlling It can be easily noticed by observing the LPG CNG injection time indicator on the 2D map When the petrol controller alters from the sequential into semi sequential controlling at the same load the petrol injection time is reduced by approximately 50 96 The vertical axis indicator for constant load changes its injection time value position e g from 8 ms to 4 ms In the case of such a controlling type in the LPG mode jerking can occur resulting from the fact that the mixture is too rich for the semi sequential mode In order to eliminate the above mentioned problems Mazda leading TM function should be used The weakening coefficient should be properly set According to the research its value shoul
15. t t Anl L 1 1 gies 1 DIAGNOSTIC IGNITION or i CONNECTORS COIL sitam o E are e PI 1 Pl 8 LI 1 L1 8 PETROL INJECTORS LPG or CNG INJECTORS YELLOW BLUE RED X 12V a El je owak GREY YELLOW RAN gt RED BLACK Pie IGNITION SWITCH Ma Mori 12V E XK i D GREEN BLACK GREY GREEN WHITE GREEN GREY BLACK PIs DEN PETROL LPG or CNG GREENRED a j SWITCH AHITERED ie 5 Ef RED BLACK E BLUE 4 CYLINDERS oil di C T gru rack VERSION ORANGE BLUE RED 12V TEMPERATURE 7 1 SENSOR ORANGE BLACK GREY ORANGE AR i NGE E is S VIOLET ai BLUE RED 9 4 12V 6 CYLINDERS H VIOLET BLACK GREY VIOLET VERSION f 12V gt ROWN BLACK 1 GREY BLACK a wareR L OUTPUT b i REDUCER GREY BLUE RED 8 12V o 8 CYLINDERS i GREY BLACK GREY WHITE VERSION 67R 01 4289 4534 www ac cam pl SSS AI D 7 SN S CNG INIECTION CONTROLLER E E oct i E Chose the proper type of sensor in software VIOLET GREY VIOLET GREY VIOLET VIOLET VIOLET VIOLET GREY ECU LAMBDA SENSOR 2 LAMBDA SENSOR SENSOR
16. the controller starts to switch over and in the extreme case can activate the check signal lamp When correcting the multiplier characteristics make the points on the LPG map match with the petrol map Once both maps match the characteristics are properly set 3 4 Checking if maps match verification of deviations Having collected the petrol and LPG maps both maps drawn with continuous lines check the deviation between them In the Map window there is the Deflection button located on the right Press it to see the deviation graph drawn with a red line If the deviation fits within 1096 the controller is programmed properly otherwise the multiplier characteristics should be corrected at points where maps do not match 3 5 Controller manual setting The controller may also be set up manually which provided sufficient experience has been gained may prove quicker than the above described procedure Start with the auto calibration in the same way as described above this is necessary to ensure the controller works properly see 3 1 If the auto calibration finishes properly and the multiplier values are correct for the calibration point switch the engine to petrol and take it for a ride The multiplier characteristics need to be set in the following way Page 41 of 45 c Drive the car with a constant load i e the petrol injection times should be stable Adjust the engine loads so that the injection times eq
17. 45 2 13 2D Multiplier Map The Map window shows the LPG controller 2D maps e 434 ansad Joyo 1 2 3 4 5 B T B 9 10 11 12 13 14 15 1B 17 15 18 20 1 222 23 24 25 Injection time m Petral Erase Gas Erase 3D View X 4 6 ms vY 1 4 Fig 18 2D Controller maps Fig 18 shows 3 maps Multiplier map orange Petrol injection time map with petrol blue Petrol injection time map with LPG green The multiplier map is orange The left axis of the co ordinate system Multiplier and the lower axis Injection time ms relate to the multiplier map The multiplier map is used to set the multiplier for a given petrol injection time The yellow points visible at the map are used to set the multiplier Upon auto calibration 2 yellow points appear on the left most and right most positions with 4 additional points in between To move a given point select it by clicking on it The value of a selected point is displayed at the lower right corner of the map To move the points on the map use the following keys lt left arrow moves the point to the left change of the injection time for a given point right arrow moves the point to the right change of the injection time for a given point J down arrow decreases the multiplier for given injection times up arrow increases the multiplier for given injection times Insert when a point is active or right mouse button add a new point Delete
18. CNG ERD re T lS ATTENTION l l RED P s j PLS SWITCH RED Description and connection diagram NN I of UEGO sensor is located in the help RED BLACK OREY RED o BAUR I NO CONNECT section of controller configuration RED mill WEG progr MU Ee au EET ATTENTION 1 4 CYLINDERS Ee BLUE BLACK 7l GREY BLUE Proper pud meu ia VERSION N LPG LEVEL SENSOR iis Si WPG H 15A 4cylindersversion FUSE B ORANGE on 7m BLUE RED 20A 6 cylinders version 12V 25A 8 cylinders version RED 7 EE A TEMPERATURE ES l ORANGE BLACK GREY ORANGE SENSOR mm CT 04 2K ORANGE WATER BLACK VIOLET S BLUE RED diia a CUI cdf y RED 6 CYLINDERS E VIOLET BLACK GREY VIOLET ORANGE Bl ACK NS DEDE VERSION m WHITERED MAP P BATTERY i lt lt D BLACK BLUE CN iE u7 T Ll PAM AS BROWN et BLUE RED LPG or CNG S K 112V MULTI VALVE ELECTRO VALVE A EE 2 TO INLET i BROWN BLACK GREY BLACK MANIFOLD GAS WATER OUTPUT n LPG or CNG GAS GREY S C BLUE RED REDUCER FILTER OUTPUT EE A bits PRESSURE and TEMPERATURE 8 CYLINDERS GREY BLACK f GREY WHITE SENSOR VERSION Fig 3 STAG 300 ISA2 Connection Diagram for Vehicle Installation Page 7 of 45 1 5 STAG 300 Premium Connection Diagram OED connector o0000000 ooooooooQo 9 16 YELLOW 7 gum z oe N BROWN emt ent
19. are used If this option is selected the Cylinder switchover parameter will be automatically set to O 2 11 Oscilloscope 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 Fig 17 Oscilloscope view When the auto calibration or map tab is selected the oscilloscope is visible The oscilloscope shows all the signals described in point 2 5 The control buttons have the following functions from left to right Start the oscilloscope Stop the oscilloscope Save current oscilloscope display Load saved oscilloscope display Decrease the number of displayed points only for loaded graphs Increase the number of displayed points only for loaded graphs When the controller works with LPG a continuous line appears at the top of the oscilloscope its colour corresponding to the LPG ignition time In case of enforced petrol drive caused by the ISA2 AutoAdaptation mechanism the line will turn yellow Page 27 of 45 c Once oscilloscope file has been loaded an auto searching feature is available Tool allows examining oscilloscope file for places that match given criteria After load of oscilloscope file the control buttons relating to oscilloscope search appear p Show search window Jump to previously found place Jump to next found place Search SEs Se Search for places where n h It earch result all of the following match J X 1 C any of the following match i
20. calibration Pressure Operational LPG pressure at which the controller was calibrated This setting can be altered manually However each change of the operational LPG pressure requires multiplier map calibration Minimum when the pressure is lower than minimum the controller will switch to petrol if the duration of min pressure exceeds the Pressure Error Time Page 15 of 45 Remaining parameters in the LPG Controller Settings group Fuel Type type of fuel in the LPG system Gas level indicator LED thresholds setting This button is used to set the low LPG LED on off threshold settings as well as to select the LPG level sensor this is explained in more details later in the manual Injector Type type of the LPG injector Injectors marked with green colour have got registered in the controller dedicated temperature and pressure characteristics Changing the injector type requires re auto calibration or multiplier map calibration Gas Injectors Settings calibration of particular LGP injectors Injectors heating enabling this option results in starting the procedure of heating LPG injectors after a longer stopover Activation of the procedure is indicated in the oscilloscope diagram with a red line and flashing active LPG injectors Extra injection switch off threshold petrol injection impulses below the set value will be ignored by the controller meaning that the controller will not genera
21. controller voltage inverted OV means rich standard voltage probe Two voltage probes can be connected simultaneously only one voltage sensor can be connected to STAG 4 Eco controller UEGO gt voltage wide band UEGO lambda current The controller shows on an oscilloscope values from the probe in the same form as for a voltage probe Only 1 wide band lambda can be connected at any given time this parameter is not available for the STAG 4 Eco controller UEGO gt full range wide band UEGO lambda current The controller shows on an oscilloscope values in Volts This makes it possible to watch the entire working range of the UEGO probe i e from lean to rich mixtures Only 1 broad band probe can be connected at any given time this parameter is not available for the STAG 4 Eco controller Do not select UEGO probe for a voltage probe as this may damage the probe Refer to the Connection Diagram Type of Injection type of injection used in the car Standard standard indirect injection petrol injectors with no current limit Renix indirect injection system petrol injectors with Renix current limit this parameter is not available for the STAG 4 Eco controller Type of petrol Inj type of petrol injectors control Standard each petrol injector is controlled from a separate channel in the petrol controller Doubling petrol injectors are controlled in pairs i e 2 injector
22. legend on the 3D map is shown hidden Page 33 of 45 2 16 3D petrol injection time map for STAG 300 ISA2 and STAG 300 Premium controller only The 3D view of the map besides the insight into the multiplier correction map makes also available the views of petrol injection time maps as functions of the collector pressure and RPM Selected view activating buttons are grouped in the upper left corner of 3D view Injection time ms Collector pressure KPa RPM rpm 5 40 50 55 60 65 70 75 80 85 on 15 20 25 30 3 Petral Erase 95 100 Fig 21 3D injection time map petrol NOTE in the case of STAG 300 Premium controllers the map of petrol injection times in the petrol mode is acquired only and exclusively when OBD adaptation is switched off Injection time m ae Collector pressure KPa RPM rpm 15 20 25 30 35 a 4 5 50 55 BU B5 70 75 Bg es eU S5 1 Fig 22 3D injection time map gas Page 34 of 45 2D View x 11 5 ms 21 3 Gas Erase 2D View Xx 11 6 ms Y 1 32 sde unij13a1102 AH uonoaaq uoipanoa dwaj sde uDaano2 NH uonaajjag unonoaadn23 dwaj uDij3811023 52814 uOon23agli0 35284 c The differences between 3D maps of injection times recorded during petrol and gas drive are available through the deviation view H Deflection 1 l ee Collector pressure KPa sdejy 404 T D
23. o Oo o Oo oOo oO oo 39 ojojoj ojojo ojojojojojojo jo 0 0 0 0 0 0 90 0 0 98 0 ENDS 0 0 0 0 0 90 98 0 0 90 0 0 0 0 908 0 0 9 0 0 0 0 0 0 0 90 V Changing value change neighbour too v Show values Erase Fig 25 Digital multiplier calibration map view Thanks to the digital multiplier calibration map shown above it is possible to modify the multiplier according to rpm in the same manner as in the case of a graphic 3D map also as regards the method of operating it by means of a keyboard All changes to the graphic map will be represented in the digital map and vice versa because physically there is only one map in the controller memory only the method of presentation is different A far as map modifications are concerned the following additional options are also available Changing value change neighbour too if selected in the case of modifying the selected area the neighbouring fields are modified as well Show values if selected the controller displays calibration values in per cent In this display mode the Erase button can be seen By pressing this button all map settings can be deleted the map can be reset Page 36 of 45 c The vertical axis shows rpm values for individual intervals on the map The red border marks the boundary between the first and the second rpm interval If intervals are set as presented in Fig 25 the second interval operates from 300 to 500 rpm while th
24. side of the view indicates the required RPM range The red part represents the basic range from 1000 through 3500 RPM within which the map has to be acquired for the adaptation to be effective The yellow part designates an extended range of the map necessary to be acquired when the engine is often highly loaded 2 18 3D multiplier calibration map digital for STAG 300 ISA2 STAG 300 Premium controller only Upon pressing the RPM calibration tab a digital multiplier calibration map is displayed in the map window This map is a different method of visualising the 3D map described in 2 14 The digital map offers new possibilities presented below Parameters AutoCalibration Errors Map Settings RPMVIRe a va sa 47 sa sa ea vo 77 va sa roana reas sl aon o fisz eoa zrs fessos con T 0 0 0 0 0 90 98 0 0 0 0 0 0 0 808 0 0 9 0 0 0 0 0 0 0 909 0 0 0 0 0 90 98 0 0 90 0 0 0 0 8 0 0 9 0 0 0 0 0 0 0 90 3409 oe s 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90 0 0 0 0 0 90 98 0 0 9 0 0 0 0 8 0 0 9 0 0 0 0 0 0 0 90 23309 o 52 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 90 0 0 0 0 0 90 8 0 0 8 0 0 0 0 8 0 0 8 0 0 0 0 0 0 0 909 3399 0 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 799 vo o 9 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 80 fo 0 o EN 0 0 9 0 0 0 0 0 0 908 0 0 0 0 0 0 98 0 0 0 0 0 0 0 0 0 0 0 9 0 0 0 0 0 0 0 o o o Oo
25. the Controller Info window is presented later in this manual The Parameters window lists a number of parameters which need to be set individually for each vehicle The Car parameters group contains Number of cylinders number of engine cylinders Num of cyl for coil the number of cylinders for each ignition coil Camshaft RPM the source of RPM revolutions per minute signal This option shall be marked if the distribution shaft position sensor is the source of RPM signal This option is very useful in case of the cars in which cylinders are stopped and pulses on the ignition coil disappear in the cut off status In such cases if the coil was the source of rotation pulses the controller would be reading either lower or no rotation NOTE the rotation RPM measurement input shall be connected only to a digital distribution shaft position sensor this parameter is not available for the STAG 4 Eco controller Pulses per revolution the option is active when the source of rotation signal is the digital sensor of the distribution shaft position This sensor measures the number of pulses per one engine s revolution This value shall appropriately be selected for proper reading of the engine s RPM by the controller RPM signal RPM signal source RPM detection threshold in Volts Set the detection threshold to a value ensuring proper revolutions reading from the controller E g for impulses originating in a petrol engine us
26. to descending The calibration procedure is as follows Press and maintain the switchboard push button 2 Switch off the ignition switch 3 Depress the switchboard push button Page 44 of 45 c At this time point the controller initiates the calibration procedure which is signalled by a series of triple short flashes of the gas level LED When the tank filling is over switch on the ignition switch thus terminating the calibration procedure Successful calibration is signalled by smooth ascending followed by smooth descending of the gas level indication on the LED line from fuel reserve to maximum fuel level and back twice In the case of calibration failure the level indication on the LED line will change five times from reserve to maximum NOTE LED 300 400 switchboard does not signal calibration process 4 3 Acoustic signals The controller generates the following acoustic signals Three acoustic signals when switching from LPG to petrol because of low LPG level in the tank Three short acoustic signals followed by a long one when a controller error occurs When switching the ignition on two short signals followed by a long one indicate a scheduled service visit Visit a service station to have your system checked Three long signals repeated every minute the car started in the emergency mode 5 Specification Power supply voltage 12 V 20 30 Maximum power supply current val
27. 00 RPM see chapter 2 17 If necessary it can be switched on again YES NO Auto Stop if the option is selected the engine work points on the multiplier correction map will automatically be blocked when an acceptable deviation is reached See The threshold for adaptation start Petrol map capture state graphical indicator It can take on the following colours Grey it means that the model map is not acquired and switching to gas is not possible provided that ISA2 adaptation and map acquisition assistant are active The petrol map shall be acquired Yellow partially acquired map Gas drive is possible but at higher RPM ranges an automatic switching to petrol may occur in order to acquire the missing parts of the map Green fully acquired map i e its required range has already been acquired When the Show button is pressed the model petrol map acquisition status is displayed Page 23 of 45 c Sounds the buttons are used to hear the sounds which are generated by the map acquisition assistant buzzer sounds When a sound button is pressed a short description of this particular audible sound shall be displayed explaining its role in the system Both autoadaptation and map acquisition functions are activated only when the engine is warm the engine warming message will disappear 2 8 Matching gas injectors with relevant Bank for STAG 300 Premium controller only In the case of V
28. 17950002 Your PC code 14F6 4E5E Fig 9 Gas controller info window The Gas controller info window Fig 9 shows the following parameters ECU working time Petrol total working time of the controller using petrol listed in the following format H hours M minutes S seconds Since last connection working time of the controller using petrol since its last connection with a PC Gas total working time of the controller using LPG Since last connection working time of the controller using LPG since its last connection with a PC nspection Service Schedule When the controller reaches the working time using LPG set in this field every time the ignition key is switched off the controller will produce an acoustic signal reminding of the inspection Clearing the Inspection Schedule is explained below Page 18 of 45 To set the Service Schedule click the Set button in the About gas ECU window The following window will pop up Fig 10 Set inspection Inspect after km Th 50 km Inspection time OH OM OS Fig 10 Set inspection window The next service visit time is calculated on the basis of mileage The default setting is 1h 50 km yet it is configurable The above window shows the next service visit set to 1000 km which in this case equals 20 hours of work To clear the service schedule select Disabled in which case the controller will not monitor the service s
29. 41 3 6 Multiplier map calibration 3D map for STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium controler ol etteiad antt tob edis Kt pictus eti sd tmp EUER 42 3 7 LPG temperature correction for STAG 4 Plus STAG 300 ISA2 STAG 300 Premium seque duM 42 3 8 Model petrol map acquisition for STAG 300 ISA2 controller only 43 4 LED switchboard operation and acoustic signals User Manual seem 44 A dle EEDSWItCDDOGEG eierne cays ocean ca eR EID IPIE III eui ddr IC OLD EsRETUE IPIS IzU I NE ISSUE QUU OR S 44 4 2 Automatic calibration of LPG level indicator sseeeseeee enn 44 239 ACOUSt C SIO IS sime icr toT asanonacchavenectsun cei TNDUTEREERUDNEUEIEERERUN UR FUA EEE NENNE EE ENTE DEOR SNEER 45 et HOS CUI AL Ops acess T E m 45 6 Limited warranty CXC USIONS NRI 45 Page 3 of 45 1 Set up 1 1 STAG 200 Connection Diagram d togazic elektronika system w autogaz KONTROLER WTRYSKU GAZU STAG 200 6 Es 67R 01 3912 110R 00 4533 U 1aV
30. 78 0 0 0 0 0 0 0 0 eecesoece Go mh e Readout Dave Manufacturer settings Connected STAG 300 8 5A2 wer 8 8 4 0 0 2012 05 31 15 36 50 Fig 7b Parameters window Advanced If you get the Controller Error message and No connection appears in the lower left corner of the screen select a different COM port from the Port menu at the top of the screen 2 2 Ac Gas Synchro version When the diagnostic software is open the top title bar shows the version of the software Fig 7 shows the software version 8 3 0 3 2 3 Main menu The main menu consists of the following options Port changing the communication port connecting and disconnecting the controller Window selecting the software windows Language selecting the required software language version Controller update updating the controller firmware Documentation opening a folder with available documentation Help about the software Page 12 of 45 c 2 4 Controller Parameters The controller firmware version is shown at the bottom of the screen Fig 7 ver is followed by the firmware version where STAG 300 8 ISA2 controller model 8 9 controller firmware version number 4 0 0 controller version number 2012 05 31 15 36 50 date and time of the firmware compilation Clicking the E button in the upper right corner will bring up the Controller Info window A detailed description of
31. D multiplier calibration map for STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium controller only After clicking on the 3D view button a 3D multiplier calibration map will open in the Map window Pree 7 NENNT EE ap 20 ms 4500 rpm O 96 14 ne P a t a ae acl Esau a yo IL D ui a IN zv A E v NE 1 ig Erase 3 R z Petrol Erase Gas Erase 2D View X 12 0 ms Y 0 70 Fig 19 3D map view The 3D map shows the multiplier map described in point O The multiplier map makes up a plane One axis of the plane represents the petrol injection time ms while the other represents engine revolutions rpm The map makes it possible to calibrate the multiplier depending on engine revolutions This is shown In Fig 19 It is possible to enrich weaken the mixture for a defined petrol injection time and revolutions by means of calibrating the multiplier on the 3D map Page 31 of 45 A yellow square marker seen in the diagram shows where on the plane the engine currently is The marker position depends on the current rpm value and of the petrol injection time The following working modes are available when using the 3D map Multiplier change This mode is used to change the multiplier characteristics plane by following steps analogous to those in the case of the 2D map Editing in this mode is analogous to the same function in the 2D map The mode is activated by means of clickin
32. ED 12V GREY RED BLUE RED 12V GREY BLUE ri Bluetooth STAG 4 LPG CNG INJECTION CONTROLLER Ok 7 67R 01 4903 Es 110R 00 4904 10R 03 6616 www ac com pl U 12V INTERFACE DIAGNOSTIC 1 CONNECTORS s gt EE eg 5 RED BLACK IGNITION SWITCH BLACK WHITE GREEN GREY BLACK PETROL LPG or CNG s SWITCH BLACK yf WHITE R BLACK RED PRESSURE SENSOR E O 3 O BUZZER Ps o1 Pressure MAP BLACK WHITE RED manifold WHITE GREEN reducer RED 12V ACH ES a f ORANGE A TO INLET BLACK MANIFOLD WATER MEASUREMENT TEE GAS 4 TEMPERATURE SENSOR CT 02 a 5 ORANGE BLACK GAS LPG or CNG OUTPUT FILTER VIOLET ECU LAMBDA SENSOR ATTENTION Proper fuse needs to be placed Uu into the socket 15A ID BROWN IMO BATTERY LPG LEVEL SENSOR WPG 2 OR WPG 4 MULTI VALVE BLACK BLUE LPG or CNG TEMPERATURE ELECTRO VALVE SENSOR CT 04 2K REDUCER WATER Fig 2a STAG 4 Eco Connection Diagram for Vehicle Installation Page 6 of 45 1 4 STAG 300 ISA2 Connection Diagram EZ amp STAG 300 8
33. G 300 Premium controller only OBD inversed trim in classical fuel dose control systems OBD correction values become positive in the case of a poor blend and negative in the opposite instance This option shall be on in the vehicles with a reversed relationship between the blend status and OBD correction sign NOTE wrong option setting will lead to rapid gas injection correction which will disable vehicle drive Page 21 of 45 Adaptation at open loop OBD correction values shall be applicable when the engine runs in closed loop Switching on the option shall enable an additional adaptation tailored to the open loop status OBD trim reduction this option is applied in the vehicles in which OBD corrections achieve 100 values Adaptation on threshold value expanding the range of resultant correction Possible values 0 396 OBD RPM threshold the adaptation shall be active only when engine s RPM are above the set value Desired resultant correction B1 B2 Desired resultant correction is calculated automatically during calibration Accepted correction range B1 B2 destined range value of desired resultant corrections of bank 1 and 2 Depending on desired resultant correction B1 B2 and adaptation activation threshold Example Adaptation on threshold equals 196 with desired resultant correction B1 at 3 gives accepted correction range B1 between 296 496 If in given configuration resultant
34. Injection control mode parameter is set to depending on the vehicle type semi sequential or full group diameter values of injector nozzles should correspond to those indicated in the chart 2 Ac Gas Synchro diagnostic software description 2 1 Controller PC connection Upon installing the STAG 200 STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium controller in the vehicle connect it to a PC with the AcGasSynchro software installed via an RS or USB interface manufactured by AC SA Prior to starting the software turn the ignition on in order to supply voltage to the controller this is necessary as the controller switches to sleep mode when it will not communicate with the PC after app 10 minutes without power supply After starting the software provided the COM port is selected properly the controller will establish connection with the diagnostic software and Connected will appear in the lower left corner of the screen Fig 7 Fig 7a and Fig 7b shows the Parameters window Page 10 of 45 AC GAS SYNCHRO 8 3 0 3 Sele Pork Window Language Controller update Options Documentation Help PRESSURE IB Parameters AutoCalibration Errors Map Data recorder AutoAdaptation 4 Gas Bart MAP Car parameters Gas controller settings Advanced INJECTION TIME ms Petrol Gas Pli Gli Humber of cylinders 8 cylinders Petrol injector driven by poy Gee Num of cyl for coil single coil Lambda type Voltage
35. NSOR SENSOR 2 i for 6 and 8 l l VOLTAGE SENSORS A a a ND BLACK WHITE RED i NO CONNECT T LPG LEVEL SENSOR F WPG 9 iN bre ae Il BLACK dun O LPG LEVEL SENSOR WPG H BLACK BLUE RED supply ORANGE BLACK WHITE GREEN pressure WHITE RED MAP MULTI VALVE BLACK TO INLET MANIFOLD wu o GAS OUTPUT PRESSURE and TEMPERATURE SENSOR Fig 2 STAG 4 Plus Connection Diagram for Vehicle Installation Page 5 of 45 Chose the proper type of sensor in software before catalytic converter CURRENT SENSOR ATTENTION Description and connection diagram of UEGO sensor Is located In the help section of controller configuration program ATTENTION Proper fuse needs to be placed Into the socket 15A LPG or CNG ELECTRO VALVE DULL BATTERY 1 3 STAG 4 Eco Connection Diagram IGNITION COIL BROWN PI 1 Pl 4 PETROL INJECTORS rogu m com K a a YELLOW YELLOW BLACK GREEN GREEN BLACK RED RED BLACK BLUE BLUE BLACK LI2 8 a E 12V gt 50 gt EE mm INERFACE E RS 232 or USB Leeroy LI 1 L1 4 LPG or CNG INJECTORS BLUE RED 12V GREY YELLOW BLUE RED GREY GREEN BLUE R
36. OL INJECTORS ind YELLOW aa ri dis 5 YELLOW BLACK P GREEN E T i D GREEN BLACK R o yz 5 L vS RED 7j I Cdj D RED BLACK E PI4 E C sr BLUE U 7 Hle 2 1 e BLUE BLACK A A Kem INERFACE I RS 232 or USB Praa LI 1 L1 4 LPG or CNG INJECTORS BLUE RED 12V GREY YELLOW BLUE RED 12V GREY GREEN BLUE RED 12V GREY RED BLUE RED 12V GREY BLUE INTERFACE Bluetooth o LP ari DIAGNOSTIC Z CONNECTORS xS 9 gt ax 1 1 a RED BLACK IGNITION SWITCH WHITE GREEN GREY BLACK PETROLILPG or CNG WITERED SWITCH BLACK RED 6 5 BUZZER TEMPERATURE SENSOR CT 04 2K WATER ORANGE BLACK GAS WATER OUTPUT REDUCER daktraniia system w autogaz STAG 4 LPO CNG INJECTION CONTROLLER 67R 01 4903 110R 00 4904 10R 03 6616 www ac com pl U 1 cylinders version VIOLET GREY VIOLET GREY VIOLET VIOLET 4 4 i ECU ECU i LAMBDA LAMBDA SE
37. alibration value Editing the gas calibration map is analogous to the same function performed in the case of the multiplier map 2 21 The map of gas pressure dependent corrections available only for STAG 4 Plus STAG 300 ISA2 and STAG 300 Premium controllers When the Pressure correction tab is pressed in the Map window the map of gas pressure dependent corrections opens 50 n 40 D 5 30 m a es E EE zi E 5 Sis i a i F cm x E og T m 1 2 14 1 5 1 8 2 22 S Gaz pressure Bar m zu Pla X D Bar Y Of 5 Fig 28 Gas pressure dependent corrections map view The controller has got registered multiplier corrections related to gas pressure The map of gas pressure dependent corrections allows plotting adjustments proportional to this correction The edition of the map of gas pressure dependent corrections is analogous to multiplier map addition Page 38 of 45 2 22 Controller update To update the controller connect it to the diagnostic software and turn the engine off Select Controller update from the main menu and select STAG 200 STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium depending on the connected controller type The Controller update window will pop up The Controller Parameters window shows the information on current controller firmware version The Available actualizations window includes a list of updates available for the co
38. ation of the diagnostic software thus can be done with the PC disconnected However collecting the map while the PC is connected and the diagnostic software running is quicker and enables the operator to see what is actually happening to the vehicle When the controller collects sufficient number of points the map will be drawn with a continuous line and the petrol map collection is finished 3 3 Collection of the petrol injection map with LPG LPG map Having collected the petrol map switch to LPG and collect the LPG map in the same way the petrol map was collected The LPG map should be collected in the same road conditions and with similar loads as the petrol map The LPG map is drawn with green points Having collected sufficient number of green points the map will be drawn with a continuous green line If the controller is set properly the multiplier characteristics selected properly the petrol and the LPG maps should match If the maps do not match the multiplier characteristic should be corrected at the points where the maps do not match the lower axis of co ordinates for injection times If the LPG map is collected with the PC connected and the diagnostic software running it is possible to immediately correct the multiplier characteristics when the collected green points do not match with the petrol map It is even strongly recommended to use the PC in this way as if the multiplier characteristics differ strongly from the required ones
39. chedule Below the working times the Controller Info lists the following types of registered events First connection to PC date of the first controller PC connection First settings modification first modification of the controller settings If these fields do not show dates but instead the symbols it means an error occurred in the Controller Info Time information has been lost and the controller will start counting the times from the beginning Mod date 1 Mod date 5 a list of controller settings modifications From the most recent ones till the oldest Unknown settings mod This happens when the controller s settings modification is performed with a date earlier than a previously performed modification Each event is also accompanied by a code linked to the PC on which the modification was made Thus knowing the modification date as well as the PC code it is easy to determine whether any modifications have been performed by anyone else The bottom of this window shows additional information S N gas ECU the serial number of the controller Not available for older versions of controllers Your PC code The code of the PC on which the AcGasSynchro software is currently used 2 6 OBD adaptation for STAG 300 Premium controller only In the upper right corner of the screen AutoAdaptation button is located when pressed a window is displayed with OBD related information This window wi
40. correction B1 petrol ECU remains within above range adaptation will be stopped because it has reached its target In case the resultant correction B1 petrol ECU again reaches over the above given range the adaptation will resume A window showing connection status with OBD is presented below Grey icon and text No connection with OBD means that at the moment the connection with OBD is not possible no ignition no OBD adapter Yellow icon and text Connecting to OBD means that the controller is connecting with OBD Flashing red icon and text Connected to OBD means that the controller has been connected to OBD In order to switch on adaptation the process of auto calibration must be performed first see chapter 3 1 Auto calibration After completing auto calibration the programming process must be implemented see chapter 3 STAG 200 STAG 4 plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium controller programming WARNING OBD Adaptation is recommended for cars made after 2002 2 7 ISA2 AutoAdaptation for STAG 300 ISA2 controller only In STAG 300 ISA2 controllers without OBD support when the AutoAdaptation button is pressed in the right upper corner of the program a window is displayed with data associated with the AutoAdaptation function following the ISA2 injection times ISA2 AutoAdaptation restart shall be possible only after autocalibration Page 22 of 45 AutoAdaptation Siig AutoAdapta
41. d Injectors windows Fig 15 LED switchboard There is a button on the LED switchboard for changing the fuel type The LED next to the switch signals the controller status off petrol on LPG CNG blinking auto mode The currently used fuel type information is shown under the switchboard There are 5 LEDs at the top of the switchboard showing current LPG CNG level in the tank Click on one of the four LEDs to enter the LED threshold settings LED threshold settings O gt 0 6 12 gt 18 gt 24 V LPG level 3 78 V Sensor type 50 kOhm growing Fig 16 LED threshold settings Use this window to set the voltage which will turn on a given LED See section 4 2 for the description of automatic set up of threshold voltages The LPG level sensor type is also set here as well as the LPG level voltage When the LED threshold settings window is active changing the LPG level on the sensor results in immediate change of LEDs status This is used to check the proper activity of the full tank sensor and the LED bar When this window is closed normal activity the LED level change on the sensor is shown on the LED bar after a very long period of time 2 10 Auto calibration The auto calibration window is used to calibrate the engine at idle run Start the calibration after the engine is turned on and the lambda probe begins to work During the auto calibration the engine should work at idle run Sw
42. d be approximately 17 However the value can be different depending on the engine this parameter is not available for the STAG 4 Eco controller NOTE setting this parameter at zero value in such engines may preclude proper operation of ISA2 AutoAdaptation described in another part of these Instructions Turn off electro valve Close gas electro valve when ISA2 switches to petrol Option is useful when ECU works with TAP Timing Advance Processor Clicking the Gas Injectors Settings button will open up the following window in which the LPG injectors can be calibrated Gas injectors settings Gas injectors corrections Fig 8 Gas injectors settings window Use this window to calibrate in the LPG injectors These settings enable a correction of the fuel mixture for each cylinder This is used e g to correct the injection time variations present in a V type engine cylinders To calibrate the injectors use the following procedure Upon auto calibration check the petrol injection times for each cylinder when using petrol Turn the LPG injectors on one at a time and observe if there are any differences in the injection times after switching from petrol to LPG Adjust the settings only when necessary for each injector so that switching to LPG one injector at a time will not result in changing the petrol injection times WARNING Use this option as a last resort i e when sure that the installation was performed p
43. e third interval operates from 500 to 600 rpm The boundaries between individual intervals can be regulated by clicking on the correct field and entering a new interval boundary value Thanks to this option it is possible to adjust the mixture composition to precisely defined rpm range and injection time The user is not limited by preset intervals For example the operating range of the third interval can be modified to 500 800 rpm The blue square which can be seen in the map changes its position within the horizontal axis depending on the actual petrol injection time value and within the vertical axis depending on the actual rpm value 2 19 Automatic change of 3D multiplier correction for STAG 300 ISA2 controller only Long term ISA2 correction is demonstrated as an automatic change of field values on the 3D multiplier correction map It also enables matching of both controller maps petrol and gas providing for optimal engine performance If the automatic modification of multiplier correction map in certain run stages undesirable then these stages can be switched off from the AutoAdaptation process In order to achieve it encircle a selected map area with a mouse and click with the right button with the cursor on the area A concise menu will open with the following options Turn ON AutoaAdaptation and Turn OFF AutoAdaptation If ISA2 autoadaptation is active and the Auto Stop option is on the points at which autoadaptation achiev
44. es its goal will also be switching off automatically Correction values in the disabled areas shall be displayed in grey colour It should be kept in mind that if the Show values option is marked off then the disabled areas will not be distinctive either OOOO L OOOOOOOGOODE w o oO 4 7 l2 ue 1 2 10 7 5 O0 0O 0 OD O O0 nit me jo J 4 XT 5b bl57513 1 12 ma 50Jyju 0n un n OL dO 2400 F 2 3 3 2 2 3 E FIRE 5 OO 0 075 0 0 u0 OT OO oO OY OY UO 2 m 2 5 T 3 E n z m a S g g m 2 5 a00 3 3 E amp E 6E 3 2 2 2 0 0 0 O0 O O O unu U 0O D ow 10 3 b 3 3 U O0 0 O0 UU O OU O O O UU D O QU 0 D 300 D 2 n n n n n mg oOo ob oO o a O 0 DO O 0 0 U OD os e 0 Tun OFF dutohdapaton oo 0 0 00 00 00 0 0 0 0 I Changing value change neighbour too I Show values Erase Fig 26 Disabling of 3D map area ISA2 AutoAdaptation process Page 37 of 45 2 20 Gas temperature calibration map for STAG 4 Plus STAG 300 ISA2 STAG 300 Premium controller only The Gas calibration map opens in the Map window after selecting the Temperature calibration tab Correction 75 30 25 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 B5 70 75 80 85 80 35 Temperature C X 30 C Y 10 Fig 27 Gas temperature calibration map view The controller has the gas temperature multiplier calibration value permanently set The gas temperature calibration map enables percentage adjustments of this c
45. ferences in injection times for a given range of the petrol injection time and the engine revolutions after switching from petrol to LPG such differences must be calibrated by means of enriching weakening using the 3D map The rule is the same as in the case of setting the multiplier i e if the injection time value is bigger after switching from petrol to LPG it means that the mixture is too lean at a given point within the map the petrol computer lengthens the petrol injection time Thus the mixture must be enriched for this point using the 3D map In a reverse situation i e when the petrol injection time is shorter after switching from petrol to LPG the mixture must be weakened 3 7 LPG temperature correction for STAG 4 Plus STAG 300 ISA2 STAG 300 Premium controller only If the petrol injection time changes when the LPG temperature is changed in the LPG mode the LPG temperature calibration must be corrected The correction may be made by means of the LPG temperature calibration map see 2 20 However it must be remembered that this operation may be performed if the auto calibration and the multiplier setting while driving have been carried out correctly In order to make the correction in a proper way the car must be started with a cold engine Then beginning with the temperature of switching to LPG the petrol injection time must be checked and after switching to LPG the petrol injection time should be compared If the petrol injec
46. g with the left mouse button beyond the plane marked out by the multiplier map or by means of pressing the TAB key switch from the previous mode m Multiplier calibration change in adjacent fields n Pr ea 7 This mode is used to calibrate the multiplier for a given range of engine revolutions and VLL of the petrol injection time In order to calibrate the multiplier the area which is to be calibrated must be selected by moving the mouse with the left button pressed over this area Another method is to press the SHIFT key and while holding it to select the appropriate area by pressing arrow keys gt lt Left arrow gt T Up arrow gt Right arrow gt J Down arrow Having marked the area which is to be calibrated specified actions can be performed by using the combination of the CTRL key and one of the keys below gt Arrow up higher calibration richer mixture gt J Arrow down lower calibration leaner mixture Pressing the SHIFT key in the course of the multiplier calibration will multiply the required step by 10 The mode is activated by means of pressing the TAB key switch from the previous mode m Multiplier calibration no change in adjacent fields This mode is used to calibrate the multiplier for a given range of engine revolutions and of the petrol injection time This mode functions in a way analogous to Multiplier calibration change in adjacent fields The difference is tha
47. ge and should be replaced with smaller diameter ones When the auto calibration is complete 2 extreme yellow points and 4 additional points in between will show up on the multiplier map The second left point is the point of engine operation at idle run i e the point of operation during auto calibration The multiplier s value for this point should be between 1 1 and 1 6 if the value is greater than 1 6 longer times of petrol injection i e greater load and high rpm may cause overlapping of injection times i e one LPG injection will begin before the previous one ends looped injections In such a case the controller will display the Too long injection time error message However in such a case check the operation of the lambda probe if it is in the rich mode and the vehicle drives without problems the error can be ignored Page 40 of 45 3 2 Collection of the petrol injection map with petrol petrol map Having finished the auto calibration switch over to petrol and drive the vehicle for app 4 km to collect the petrol map During the collection of the map try to drive without changing gears e g at the 4 gear and in a way making the lambda probe to work i e changing its mode from weak to rich Blue points should appear during the collection of the map To collect the map quicker adjust vehicle load in such a way causing new points to be collected in places which are still empty Collection of maps is performed without particip
48. he pressure regulator inability to ensure nominal LPG pressure i e it will result in Page 9 of 45 c pressure drops when the LPG delivery is high i e when the throttle is fully open When the LPG pressure drops below the minimum value programmed in the controller the system will switch to petrol 1 10 Selection of injector nozzles The injector nozzles selection should also be based on the engine power The selection of injector nozzles should ensure that at high engine loads and high rpm the multiplier for a given injection time should be close to 1 For the majority of engines the injection times equal roughly 15 ms The table below presents the nozzles diameters depending on the engine power per 1 cylinder To select the right diameter of nozzles the engine power needs to be divided by the number of its cylinders Nozzle diameter mm Reducer pressure 1 bar Engine power per cylinder KM 1 7 1 8 11 16 1 9 H 2 2 17 28 Note the above values are estimates only and do not necessarily always reflect the reality This can occur e g in vehicles with semi sequential or full group all injectors activated simultaneously injection In such cases the nozzles diameters will be smaller than those presented in the table above as in these systems the amount of supplied LPG is higher than in full sequence systems two times higher for semi sequential injectors and four times higher for full group injectors In the event
49. icicsscecccapsasanicsacscsasnctadntnssccesacesoasnrotiacesanausesnnnascaonanosaawoaeaacaieaeni 9 1 10 Selection of injector nozzles 00 eccccsesccccseccceeccceesccceuseccceececeueceesueecesenecesuueceeeueeeeeuness 10 2 Ac Gas Synchro diagnostic software description sssssssseessseessrcessrcessrrrssressscrssetessrerssresssereseereseeese 10 2ds Controller PC COMMOCCUOM TNR 10 DD A GAS YVO VESO eene E E E N 12 DP MV VENT a MU E E AE EA I A E O E AA E E 12 241 Controller Fave CONG wees ose cect bI deititm qd Dites ee ts asses eta OE ease 13 Ds CONO Mie T UNE 18 2 6 OBD adaptation for STAG 300 Premium controller only een 19 2 7 ISA2 AutoAdaptation for STAG 300 ISA2 controller only eeenn 22 2 8 Matching gas injectors with relevant Bank for STAG 300 Premium controller only 24 2 9 Signals injectors switchboard eessssssessseeseeenee nenne Henne nennen nnne nnne nis 25 2 10 PAU OAC AMO OW TITRE RTT 26 PAR ED SCIMO SCO RTI NE 27 PPM gs CT K HH 28 2 13 2D Multiplier Map NN RR ere ee 30 2 14 3D multiplier calibration map for STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 3DO Premidm controlleloDly ascscssunb essit ec ore bevib ud uoii Rao da M nb Tubus eroe LHiut abdo peo tu bat ie Pub E te PEE euda 3 2 15 OPUN 9 i 06 uoo ter eee mente Rm TEI tr RINE AE E ES DeeE Iun DER E dea dU EE SUE 33 2 16 3D petrol in
50. ion time for Injector 2 Gas 3 Gas injection time for Injector 3 Gas 4 Gas injection time for Injector 4 Gas 5 Gas injection time for Injector 5 Gas 6 Gas injection time for Injector 6 Gas 7 Gas injection time for Injector 7 Gas 8 Gas injection time for Injector 8 Gas temperature C LPG temperature at the pressure regulator output Red Temperature C liquid temperature at the reducer Lambda 1 voltage V voltage at the lambda probe 1 Lambda 2 voltage V voltage at the lambda probe 2 Battery V voltage at the controller s power supply RPM rpm engine revolutions Engine load current engine load value expressed in per cent All the above described signals are also visible on the oscilloscope To turn off a given signal on the oscilloscope click on it By clicking on the name of a given signal you can change its colour on the oscilloscope Below the signals Fig 7 there is a field with active LPG CNG injectors This is used to turn off selected LPG injectors E g in a 4 cylinder engine normally 4 LPG injectors are active green To turn off a selected injector click on it and the corresponding petrol injector will be turned on This is useful in Page 25 of 45 c diagnosing a mechanical damage on an injector When the power is switched off with the ignition key all LPG injectors are turned on There is a LED switchboard under the Signals an
51. itch off air conditioning and lights and do not turn the steering wheel During the calibration the controller will automatically switch from petrol to LPG The controller will be automatically switching on selected LPG cylinders Once the auto calibration is complete the Page 26 of 45 c controller displays a message informing the auto calibration has finished successfully The following messages may appear during the calibration Engine rpm too low rpm engine rpm are too low please check the Num of cyl for coil setting No injection at the injector no signal at the petrol injector check the connection of the emulator s bundle Collector pressure bar incorrect the collector pressure may be incorrect check the collector s pressure sensor settings Available calibration options All injectors together in the case of standard calibration All injectors together option is switched off the controller switches one cylinder to LPG first and then switches the remaining cylinders one by one If the All injectors together option is switched on the controller will switch on all injectors at the same time This option can be very useful in the case of some full group injection systems for which it is not possible to separate individual petrol injectors and 4 injectors form a single primed module with two terminals This option should be switched on as well if fuel strip pressure emulators or Renix emulators
52. jection time map for STAG 300 ISA2 and STAG 300 Premium controller eA 34 2 17 The status of 3D injection time map acquisition for STAG 300 ISA2 controller only 35 2 18 3D multiplier calibration map digital for STAG 300 ISA2 STAG 300 Premium COON ONI 36 2 19 Automatic change of 3D multiplier correction for STAG 300 ISA2 controller only 37 2 20 Gas temperature calibration map for STAG 4 Plus STAG 300 ISA2 STAG 300 Premium controller Only cccccccscccccsscscccusccccsecsccecscesescucessesseseeeueucecuesseeuessseeneseuens 38 2 21 The map of gas pressure dependent corrections available only for STAG 4 Plus STAG 300 ISA2 and STAG 300 Premium controllers eee 38 222 COn Ke iU ojo c ERE 30 2 23 Update OF STAG OBD Adaptef ei ortae roue En PERPE TRE TPr Ds bess ONU F ORE LEAD annda PIE TRUE UAE SARANAN dd 30 3 STAG 200 STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium controller programming 40 FAAO COF a e ENTIRE EET TT 40 3 2 Collection of the petrol injection map with petrol petrol map eese 4 3 3 Collection of the petrol injection map with LPG LPG map esenn 4 3 4 Checking if maps match verification of deviationS eesseseesssesssreseseresscesesrresrcresrerssrerseees 4 Page 2 of 45 c 3 9 Controller manual Setting REOR ERE
53. l and LPG maps consists of the following stages Auto calibration of the STAG controller Collection of the petrol injection times with petrol petrol map Collection of the petrol injection times with LPG LPG map Making sure both maps match and checking deviations STAG 300 ISA2 and STAG 300 premium controllers are provided with mechanisms automatically adapting blend contents depending on current engine operation conditions Having these functions in the system allows improvement of gas driving parameters with simultaneous considerable facilitation of controller calibration process by the fitter OBD AutoAdaptation STAG 300 Premium controls gas injection time following the data from the vehicle s petrol controller SA2 AutoAdaptation STAG 300 ISA2 controls gas injection time following the recorded engine operation characteristics in the petrol mode It requires the model petrol map to be recorded See section 3 8 3 1 Auto calibration Prior to starting the auto calibration start the engine and wait until the lambda probe begins to work During the auto calibration the engine should work at idle run do not increase rpm switch off air conditioning and lights and do not turn the steering wheel as this may cause errors during the auto calibration During the auto calibration watch carefully petrol and LPG injection times If LPG injection times are shorter than petrol injection times the injector nozzles may be too lar
54. ll be displayed automatically once the connection with OBD in the car is established Page 19 of 45 IE i DBD Adaptation STAG 300 premium oTFT Bl LTFT B1 aIFI Be LTFT B ww OBD Il EOBD Humber af trouble codes Show Closed loop GIFI Hl LTFT H1 Resultant correction B1 STFT B2 LTFT Be Resultant correction B2 Engine RPM FEE o LI M M I Connected to OBD Fig 11 OBD window Ee AutoAda ptation AutoAdaptation DBD Adaptation STAG 300 premium SIFT HI LTFT B1 SIFT B2 LTFT Be Inversed OBD trim Adaptation in open loop OBD trim reduction OBD adaptation enable threshold RPM threshold for OBD adaptation 2500 rpm Desired resultant correction H1 0 Desired resultant correction B 0 H Accepted correction range H1 3 3 55 Accepted correction range B 3 55 Reset adaptation SS e Connected to D BD Fig 11a OBD window OBD window displays the following data OBD II EOBD Data available from fuel ECU via the OBD interface Number of trouble codes Number of recorded OBD troubles Closed Open loop the fuel system status WARNING OBD adaptation doesn t work in cars where state of fuel system parameter isn t available through OBDII EOBD interface Page 20 of 45 STFTB1 Short term fuel trim Bank 1 ECU fuel LTFT B1 Long term fuel trim Bank 1 ECU fuel Resultant trim B1 Resultant trim Bank 1 ECU fuel STFT B2 Short ter
55. m fuel trim Bank 2 ECU fuel LTFT B2 Long term fuel trim Bank 2 ECU fuel Resultant trim B2 Resultant trim Bank 2 ECU fuel Engine RPM Engine rpm value Additionally after pressing button Show a window containing information on stored trouble codes ECU fuel and pending trouble codes ECU fuel will be displayed Sm x Stored trouble codes Pending trouble codes Adress Code Adress Code Erase Refresh Fig 12 Window ECU fuel trouble codes read from OBD STAG 300 Premium Data related to OBD adaptation In the basic view only short and long term corrections shall be displayed calculated by the adaptation process In order to display and change AutoAdaptation parameters press the wide button which is below the displayed corrections The window will unwind covering the OBD on board diagnostics data For return to the previous view press the same button again STFTB1 Short term fuel trim Bank 1 STAG 300 Premium LTFT B1 Long term fuel trim Bank 1 STAG 300 Premium STFT B2 Short term fuel trim Bank 2 STAG 300 Premium TFT B2 Long term fuel trim Bank 2 STAG 300 Premium Adaptation on Switching on off of OBD adaptation In the case of engines with two Banks control systems e g V type or boxer engines one has to define in which bank a particular gas injector is located Detailed information in the chapter 2 8 Matching gas injectors with relevant Bank for STA
56. ngine runs at required point of operation Completed map acquisition is also sound signalled Taking into account driving style differences among individual drivers the map has been divided into two sub ranges the first range covers 1000 3500 RPM the red vertical line in the petrol map acquisition view and is absolutely required to switch car driving into gas the second range covers RPM 3500 the vertical yellow line in the petrol map acquisition view If in the course of driving the engine operation point moves into the not acquired part of the map and stays there for approximately 3 seconds the car will automatically switch to petrol in order to acquire a model map for this point the sound assistant is also activated A return of the engine operation point to the acquired map area will cause a switch to gas drive again with some delay of approximately 10 seconds A short drive in full rotation and load ranges to determine engine run characteristics is recommended as the first step in model map recording The model petrol map is always acquired during petrol driver when certain conditions are fulfilled including among others gas reducer temperature 50 C however the map acquisition assistant is active only when the controller is in the automatic mode No sounds will be generated in the petrol mode Page 43 of 45 4 LED switchboard operation and acoustic signals User Manual 4 1 LED switchboard
57. nnected controller Loading an update not included in the program directory requires clicking Load update and selecting the update file Loaded update should be included in the list of available updates Click Update once the update file has been selected from the list When the progress bar reaches 100 the controller will disconnect and then re connect The new version number should appear at the bottom of the screen and should reflect the version number of the update file Should the update go wrong the update window will be opened automatically upon connecting with the controller Perform the update procedure again 2 23 Update of STAG OBD Adapter In order to update a controller connect it to a diagnostics program turn the ignition on Select option Controller update from the main menu and select STAG OBD Adapter Next select an update from the list and press Update button After successful completion of the update an appropriate confirmation window should be displayed If not repeat the update process Next turn off the engine and restart after approximately 30 seconds a connection with OBD should be established Page 39 of 45 c 3 STAG 200 STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium controller programming There are two ways to program the STAG controller Programming with the petrol and LPG maps See 3 1 to 3 4 Manual programming of the controller See 3 5 Programming with the petro
58. om LPG to petrol Min gas temp min LPG temperature when lower the controller will switch over to petrol Min gas RPM min rpm when lower the controller will switch over to petrol Max gas RPM engine rpm when higher the controller will switch to petrol Pressure error time amount of time with the LPG pressure lower than minimal before the controller switches to petrol and reports LPG pressure too low Switch off at the first error with this option selected the controller will switch to petrol when the LPG pressure drop is detected When unselected the controller will switch some cylinders to petrol when the LPG pressure is detected to lower LPG usage Max engine load on gas the maximum load value in the LPG mode above which the controller switches to petrol This option is very useful for the engines in the case of which petrol injectors can be fully opened In such a situation the LPG controller can only open LPG injectors permanently as well However corrections e g resulting from changes in the LPG pressure will be no longer possible The moment when petrol injectors are fully open corresponds to the load value of 100 96 If petrol injectors become fully open the Max LPG load parameter should be set to approximately 95 96 This will result in the controller switching to petrol before full opening of LPG injectors Calibration parameters parameters related to controller
59. roperly all mechanical issues have been eliminated and injection times variations for given injectors are still present when using LPG Do not ever use injection strip collector pipes of different lengths and then the injectors calibration to accommodate this difference Also never use this option when the system is not in a perfect working condition or when some of its elements have worn out Using this option in a manner not consistent with the above instructions may result in damage to the car Page 17 of 45 c The correction window may be opened regardless of the selected tab i e the map tab may be opened and the correction window on top of it There are 3 buttons at the bottom of the Settings tab used to perform the following actions Read read the controller settings from a file Save save the controller settings to a file Default restore default controller settings 2 5 Controller Info To bring up the About gas ECU window click the Ei button in the upper right corner of the screen or select Gas controller info in the Help menu Gas controller info ECU working time Petrol 90 Since last connection Gas 10 Since last connection 2011 03 09 11 21 33 14F6 4E5E 2011 03 09 13 46 03 14F6 4E5E o PC 2011 03 10 12 17 45 14F6 4E5E Mod date 1 2011 03 10 12 20 48 14F6 4E5E 2011 03 09 14 07 05 14F6 4E5E Mod date 4 Unknown settings mod 2011 03 01 12 21 55 14F6 4E5E S N gas ECU 02080911
60. s turn auto adaptation on if necessary and set gas injectors corrections to the initial value In the case of controllers with 2 Banks improper realisation of the above described procedure will result in incorrect auto adaptation function which may lead to engine damage Page 24 of 45 c The above described procedure need not be implemented in the engines with controller and 1 Bank as all gas injectors are by default matched with 1 Bank 2 9 Signals injectors switchboard On the right side of the window Fig 7 there are the Signals and Injectors windows The Signals window shows the following signals measured by the controller Gas pressure bar LPG CNG pressure value the difference in the pressure regulator pressure and the suction collector pressure MAP pressure bar pressure inside the suction collector absolute pressure value Injection time ms petrol injection time Petrol 1 Petrol injection time for Injector 1 Petrol 2 Petrol injection time for Injector 2 Petrol 3 Petrol injection time for Injector 3 Petrol 4 Petrol injection time for Injector 4 Petrol 5 Petrol injection time for Injector 5 Petrol 6 Petrol injection time for Injector 6 Petrol 7 Petrol injection time for Injector 7 Petrol 8 Petrol injection time for Injector 8 Injection time ms Gas injection time Gas 1 Gas injection time for Injector 1 Gas 2 Gas inject
61. s are controlled from a single channel in the petrol controller The LPG Controller Settings window lists the following groups of parameters Switchover to gas parameters related to switching from petrol to LPG Switchover temp LPG pressure regulator temperature required for the controller to switch to LPG Switchover threshold engine rpm required for the controller to switch to LPG For rpm set to 700 the controller switches to LPG at idle run Switchover time time after starting the engine when the controller can switch to LPG Page 14 of 45 Cylinder Switchover time elapsing between the switching of subsequent cylinders E g with the setting at 200 ms for a 4 cylinder engine the switching from petrol to LPG or LPG to petrol will take 4 200 ms This works regardless of whether the petrol injection system is the so called full sequence or not Setting the switching time to O will result in the switching from petrol to LPG or vice versa and turning on and off of the solenoid valves without any delay Hot start when this option is selected the car s engine will start on LPG if temperature of the gas reducing valve at the engine starting point exceeds the set Switch Temperature value or 30 C if the Switch Temperature is lower and LPG temperature exceeds 15 C This option is particularly useful in vehicles with the start stop function Switchover to petrol parameters related to switching fr
62. t only the marked area undergoes changes while adjacent fields remain unchanged The mode is activated by means of pressing the TAB key switch from the previous mode Page 32 of 45 Ac Rotating the diagram This mode is used rotate the 3D diagram In order to rotate the diagram press the right mouse button and move the mouse so that the desired result is achieved Another method is to rotate the diagram by pressing the following arrow keys gt lt Left arrow gt T Uparrow gt Right arrow gt Down arrow 2 15 Options menu The Options menu can be accessed from the upper menu Thanks to the Options menu the user can define their own 3D map window view corresponding to their requirements Options Display chart cursor position W Display mouse cursor position w Show legend Themes Classic with grid Classic grey Black Full black Fig 20 Options menu view The menu presented above makes it possible for the user to adjust the 3D map display mode The following 5 display modes are available Classic Classic with grid lines Classic grey Black Full black VN VN N The following additional options are also available Display chart cursor position rpm and injection time values are displayed for the actual engine status Display mouse cursor position rpm and injection time values corresponding to the actual mouse position are displayed Show legend the
63. te the LPG injection impulse if the petrol injection impulse is below the set value this parameter is not available for the STAG 4 Eco controller The Advanced window lists the following groups of parameters Emergency starts a limitation of the number of emergency start ups which are available for the end user When the number is exceeded then the engine will always start either in the petrol or automatic mode The number of emergency start ups is always reset during software update It can also be manually cancelled by the Erase button this parameter is not available for the STAG 4 Eco controller Pressure release in the course of driving when gas injectors are not controlled e g in the cut off status gas pressure in the gas controller may rise If this option is on when pressure exceeds the set value Switch over threshold the controller will start a procedure to bring it down The procedure is switched off when the pressure drops down to 1 5 bar ntensity parameter controlls the frequency of the injectors opening this parameter is not available for the STAG 4 Eco controller Cold engine leaning Function Cold engine leaning eliminates jerking of cold engine working on gas resulting from the fact that the mixture is too rich Problem this occurs on some cars If function is needed its parameters should be set accordingly Max gas injection time is set during driving on cold engine you set it so rapid
64. tion Ww OH 3 i 5A2 Adaptation 5 TAG 300 154A2 Heating engine M1 0 0 Momentary deflection mam 5 Adaptation enable threshold 0 2 Lambda sensor mixture threshold 05 TV Adaptation assistant No Auto stop Yes iv Petrol map fulfillment state C chew sounds Fig 13 ISA2 AutoAdaptation window Description of parameters STFT short term correction of gas injection time period M1 and M2 markers identify the mode of ISA2 autoadaptation functions basic and for high loads respectively Distortion proportion of the actual petrol injection time deviation vs the injection time on model map Adaptation threshold the acceptable value of the actual fuel injection time deviation and the injection time indicated on model map Lambda sensor mixture threshold voltage value of the lambda probe above which the fuel mixture will be regarded rich or lean in case of reversed lambda sensor This information is used by ISA2 autoadaptation in M2 mode YES NO adaptation assistant activation deactivation of the map collection assistant If the assistant is on switching to gas shall be possible only after acquisition of the 3D petrol map In the course of petrol driving a buzzer will be emitting sounds guiding to the demanded RPM range facilitating the 3D petrol map acquisition The assistant switches automatically off at the end point of basic map range acquisition i e up to 3 5
65. tion time value is bigger after switching to LPG the positive correction must be made for this LPG temperature value the LPG temperature calibration map must be brought up If the petrol injection time value is lower after switching to LPG the calibration map for a given LPG temperature value must be brought down The calibration map must be set in such a way as to ensure that the petrol injection time remains the same after switching from petrol to LPG In order to set the LPG temperature calibration map correctly the procedure described above must be repeated for the full range of LPG temperature values in 5 C steps Page 42 of 45 3 8 Model petrol map acquisition for STAG 300 ISA2 controller only Proper ISA2 AutoAdaptation performance requires correct model petrol map acquisition When the map is missing no switching to gas shall be possible see the appropriate messages displayed in the AC Gas Synchro application The term correctly acquired map shall be understood as map acquired in the course of normal engine operation conditions heated engine no defects reported by the engine s ECU engine control unit Map acquisition consists in recording injection times for various engine operation parameters RPM and overload The so called map acquisition assistant has been designed to facilitate the task The tool by means of sound signals from a buzzer prompts the fitter to appropriate engine RPM range and informs when the e
66. ual e g app 5 ms The blue marker will help determine the injection times as it is location on the horizontal axis is determined by the injection times Next switch the car to LPG and watch the blue marker for variations in injection times when compared with the earlier petrol injection times If the injection times decreased the marker moved to the left it means that for the selected injection times the multiplier is too high the mixture is too rich In this case lower the multiplier value for the 5 ms injection time in our case If upon switching to LPG the blue marker moves to the right it means the mixture is not reach enough and the multiplier needs to be brought up for given injection times The procedure described above should be performed for a few different injection times starting at the calibration point all the way until heavy load injections You can check the multiplier map e g every 2 ms starting at the calibration point If necessary add a point at the multiplier map to set it more precisely Once the manual setting is complete both maps petrol and LPG should match 3 6 Multiplier map calibration 3D map for STAG 4 Plus STAG 4 Eco STAG 300 ISA2 STAG 300 Premium controller only Having performed auto calibration and having set the multiplier map while driving additional calibration of the multiplier depending on the engine revolutions can be performed using the 3D map see 2 14 If there are any dif
67. ually equal app 5 V set the detection threshold to app 2 5 V For impulses originating from the ignition coil set the threshold to app 7 V Nissan Micra is an exception Its computer ignition impulses equal app 1 4 V in which case the detection threshold needs to be set at app 1 0 V For some Renault Megan models the detection setting needs to be set at app 10 V RPM signal filter Switching on YES and switching off NO of RPM signal filtration In case of cars from the U S A correct reading of RPM value can be difficult so this option should be switched on In other cases it should be switched off this parameter is not available for the STAG 4 Eco controller Engine type engine type Standard normally aspirated engine with no supercharger Turbo supercharged engine Page 13 of 45 Wankl engine this option shall be marked when fuel petrol injectors are stopped in a car with a Wankl engine Petrol Injector driven by injection signals reading in systems where signals are positive i e grounding is the common signal for all injectors and the controlling signals are up to 12 V this parameter is not available for the STAG 4 Eco controller Lambda type type of the installed lambda probe Not connected voltage OV means lean standard voltage probe Two voltage probes can be connected simultaneously only one voltage sensor can be connected to STAG 4 Eco
68. ue for 8 cylinder controller 25 A LPG injectors 1 Q Current input in the standby mode lt 10 mA Operating temperature 40 110 C Protection class IP54 6 Limited warranty exclusions The warranty shall not cover the following 1 Damageresulting from installing the unit inconsistently with applicable installation diagram in particular damage resulting from connecting signal wires to other connections than those indicated in the installation manual 2 Damage resulting from installing the unit in locations inconsistent with the installation manual as well as locations in which the unit may be affected by water high temperature or car battery vapour 3 Systems modified or repaired by unauthorised parties 4 Mechanical damage resulting from the customer s fault in particular connections damage connections damage resulting from application of chemical cleaning substances casing damage PCB damage 5 Systems damaged electrically due to connecting communication interfaces other than those recommended in the installation manual Page 45 of 45

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