manuale generale DREAM_GB.indd
Contents
1. 82 OMYVL spa OMVL Spa PA Components OMVL spa Via Rivella 20 Pernumia PD Tel 39 0429 764111 Fax 39 0429 779068 www omvlgas it omvigas omvlgas it Ufficio Commerciale Commercial Departement sales omvlgas it Assistenza lecnica Technical Assistance assistance omvlgas it2. Tinj petrol 0 00 MAP n a T reducer n a Sensor AEBO25 Level You should check that the K figures in the map change smoothly from one cell to the other eventually modify the map to achieve a smoother map If you need to modify a figure of the map select its cell and double click the left mouse button on it or press ENTER on the keyboard You can select also a whole area of the map and press ENTER to change all the figures in the selected cells at the same time There are three way of modifying the figures e Absolute changes the selected figures into increase or decrease the the new value you enter e Linear sum subtract the value you enter to the selected figures e Percentage figures in the cell cells by the percentage you enter PAGE F5 MAP SWITCH FROM PC With this button you can switch to petrol or to gas without using the switch inside the Modify map refs car when you select the Switch from PC button the switch inside the car is momentary disabled MODIFY MAP REFS REVS columns rpm Time lines ms The value of the first time line should be 1000 checked at idle with all loads off like A C head lamps etc while on petrol Take a value lower or equal to the petrol injection time you read in the parameters panel on the bottom of the window Fill the 12th time line with the same procedure take the max petrol injection timing while driving the car at the highest revs The valu
3. clear all parameters PAGE F2 LAMBDA TYPE OF LAMDA PROBE the control unit car clearly read the lambda probe voltage only if you set this parameter correctly Please check that the lambda probe is working with a digital multimeter before you select the type of Lambda Probe A WARNING F1 Change over Type of Lambda probe Number of ahead Lambda probes Fuel trim bank 2 F3 Emissions O 1 Volt FA Sensors FG Adjustments F7 Modify carb PETROL Revs Orpm Tinj gas T gas n a Tinj petrol T reducer n a 0 00 0 00 Press gas 0 00 0 00 MAP n a Sensor AEB02 a 0 00V 0 00V Leve 0 Connect only the PURPLE wire to the lambda probe the GREY wire MUST REMAIN DISCONNECTED If you do not connect the PURPLE wire it is not necessary to set the TYPE OF LAMBDA PROBE The GREY wire should be connected only for the emulation Select this option if the voltage output of the lambda probe is approximately 0 0 2 V for lean mixture approximately 0 8 1 V for rich mixture Select this option if the voltage output of the lambda probe is approximately 0 0 2 V for lean mixture approximately 4 8 5 V for rich mixture Select this option if the voltage output of the lambda probe is approximately 4 8 5 V for lean mixture approximately O 0 2 V for rich mixture 0 8 1 6 V Select this option if the voltage output of the lambda probe is approximately 0 7 0 8 V for lean mixture approximately
4. files are saved see Load configuration paragraph INJ ISelect the type of petrol injection of the original ECU e Sequential the petrol injection is sequential e Full group the petrol injection is half group or full group INJECTORS Choose the type of gas injectors installed OMVL Standard or OMVL Fast REDUCER This parameter is only available in the LPG configuration because there are 3 types of reducers STD Standard 0 9 bar for 4 cylinders engines up to 110KW of power MP Medium Power 1 2 bar for 4 5 or 6 cylinders engines up to 150KW HP High Power 1 7 bar for 6 8 cylinders engines up to 220KW TYPE OF REVOLUTION SIGNAL This sets up the control unit to read the engine s revs with the BROWN wire STANDARD select this when the BROWN wire connected to crank or cam shaft position sensor giving a 0 z 12 V square wave output negative post of the coil pack WEAK SIGNAL select this when the BROWN2 wire is connected to crank or cam shaft position sensor giving a 0 z 5 V square wave output static ignition control giving 0 5 V square wave output Note if you are not sure of the signal you get on the BROWN wire you should check it using an oscilloscope NO OF CYLINDERS This parameter is used to set how many cylinders the vehicle has and therefore how may gas injectors the ECU should control set 3 CYLINDERS or 4 CYLINDERS according to the number of the
5. 1 4 1 6 V for rich mixture UEGO Select this option only for wide band resistive probes with 5 wires NUMBER OF FRONTAL LAMBDA PROBES Set the number of pre cat lambda probes installed in the vehicle 1 or 2 FUEL TRIM BANK 2 If you set 2 frontal lambda probes you can increase or decrease this correction value form 20 to 20 for the second bank in case of 6 8 cylinders engine This correction is applied to the K ratio defined in the map of the first bank If the correction is set to 0 both banks use the same K ratio OMVL spa PAGE F3 EMISSIONS The parameters on this page are used only for emission tests They become effective only if you cut the wire of the lambda probe black wire in a 4 wires probe connect the piece coming from the probe to the PURPLE wire of the gas F2 Lambda F1 Change over ECU and the piece going to the original ECU to the GREY wire of the gas harness Please take a look to the connection scheme if your probe is a 5 wires UEGO probe HIGH EMULATION LEVEL While idling the car in petrol read the maximum lambda probe s voltage and set this parameter accordingly LOW EMULATION LEVEL While idling the car in petrol read the minimum lambda probe s voltage and set this parameter accordingly the default values are set accordingly to the type of lambda probe you choosed in the F2 Lambda page INITIAL EMULATION DELAY When you start the engine the gas EC
6. vehicle s cylinders Should you use a control unit for 5 6 8 cylinders the following options will also be displayed in the selection box select 5 CYLINDERS 6 CYLINDERS or 8 CYLINDERS according to the number of the vehicle s cylinders z nta Omvi FAST Standard ii alir sre Two coils In acceleration rpm s Reset ecu and go to base parameters OMVL spa F1 Change over IGNITION TYPE This parameter is used by the control unit to compute the engine speed accurately depending on the type of signal the BROWN2 wire reads ONE COIL for vehicles with one coil per spark plug and the BROWN2 wire connected to the negative of a coil TWO COILS for vehicles with one coil each two spark plugs and the BROWN2 wire connected to the negative of a coil RPM SENSOR for vehicles with one coil and mechanical distributor BROWN2 wire connected to the negative of the coil and for vehicles where the BROWN2 wire is connected to a shaft position sensor RPM SENSOR 2 for all 8 cylinders vehicles that give a double RPM reading with the RPM SENSOR selected NOTE the BROWN wire is in the gas control unit harness REVS THRESHOLD FOR CHANGE OVER This sets the number of revs required for changeover to gas Set the number of revs that you want to reach before the petrol to gas changeover takes place REDUCER TEMPERATURE FOR CHANGE OVER This sets the temperature of the pressure reducer r
7. 0 00bar 0 10bar Tinj gas Tinj petrol Press gas A 0 1 Lambda 0 00V Injector s measurement the injection rail and the intake manifold read by the pressure sensor supplied in the Kit 6 This is the voltage of the lambda probe of the car Nothing will be displayed if the lambda wires purple and grey are not connected 7 Detects the size of the nozzles checking the map generated with the auto calibration Nozzle diam on mainfold Power for cylinder Cylinder volume ee lalla la 0142 442 8414 14 13 20 8350 BET 01408 19 28 ao as 01445 24 30 Nozzle Dimension Table LPG SYSTEM Nozzle diam on mainfold Power for cylinder Nozzle section Cylinder volume Nozzle diam Nozzle code 01442 0 18 5 vee S 491 18 22 22 01408 REL 20 AUTOCALIBRATION The calibration of the control unit can be done in this section Giri so that correct carburetion of the vehicle can be achieved when running on GAS Lambda Before startingthe automatic calibration procedure verify that the vehicle runs smoothly on petrol because the injection is based on the Petrol one Eha g bornad sra Conley testi 1 1 Pali es T inj gas T inj benz 0 00 0 00 rpm ms ms T ridutt T ga Press gas Carburante 20 n 22 0 00 Benz Premere INVIO per iniziare la TARATURA i Follow these instructions to proceed to the
8. Driving towards the future Injection System DREAM XXI N Software and system set up users manual DEE by OMVL Software manual DREAM XXI INDEX e Company OMVL spa presentation nenne nennen 4 eU M NIEHEFEEER 5 a TOO UCHOM EA A E 7 e e eo E EO 8 e Vehicle configuration M 9 FI SIG OF liane iaia tate inte ae 10 x 45 010 paio aio ner Eee ee 12 eE o In 13 A o y RATA 14 nn e PE CE 15 FOA ASTI zia O O EIA 1 Fr MOON sione tortora 1 A AARON II ee 19 AULOCAIDFALON sparsa PEO OO OA 20 DIVE Goat e UI gui og NR niente Sienna 21 ESad CORANGUFABON MR TER TET 21 EGO PEO OG 211011110 0 nenne erstere tere eier ensure 22 Presentation COMPANY OMVL spa The Italian company OMVL is a leading player in the Alternative Fuel Vehicles AFV sector designing manufacturing and marketing complete fueling systems for gas propelled vehicles and for the conversion of engines from petrol to CNG and LPG Established in 1980 at Argelato near Bologna since 2001 OMVL has been part of the SIT Group an Italian multinational specializing in safety monitoring and control systems for domestic gas heating appliances and for Alternative Fuel Vehicles The merger has given a further impulse to the internationalization of OMVL which currently collaborates with the most important manufacturers of motor vehicles worldwide including Volkswa
9. U will activate the emulation after the amount of time you set Set it to 0 to disable the emulation F6 Adjustments F7 Modify carb PETROL Revs T gas High emulation level Low emulation level Initial emulation delay Orpm Tinj gas 0 00 0 00 Press gas a 0 00V n a Tinj petroi 0 00 0 00 MAP 8 T reducer n a Sensor Connection scheme for UEGO 5 wires lambda probes Type BOSH CONNETTORE LATO CENTRALINA D INEZIONE DELLA SONDA LANEDA A 5 FILI POSTA PRIMA DEL CATALIZZATORE TIPO BOSCH CEMTRALIMA D INIEZIONE GAS Type NTK CONNETTORE LATO CENTRALINA L INIEZIONE DELLA SONDA LAMBDA A 5 FILI POSTA PRIMA DEL CATALIZZATORE TIPO NTK CENTRALINA D INIE ZIONE GAS PAGE F4 SENSOR TYPE OF MAP SENSOR Lets you choose the type of MAP sensor installed AEB025 or AEB013 F1 Change over Type of map sensor F2 Lambda Type of GAS level sensor F3 Emissions TYPE OF GA LEVEL SENSOR This sets the type of level sensor that you use 14 AEB set this if you are using a sensor with standard AEB output signal like the AEB1050 for connection instruc tions look to the installation diagram for the gas control unit 0 90 ohm set 0 90 ohm if the sen sor gives an output from 0 to 90 ohm like the AEB1090 refer to the installa tion diagram for the gas control unit Non standard select this option for all non AEB sensors that give an output directly proportional t
10. ange e commercializzazione fabbricazione di componenti e sistemi di alimentazione a gas di motori per veicoli EA 22a 18 i OMVL spa Introduction MINIMUM COMPUTER REQUIREMENTS FOR SOFTWARE INSTALLATION e Operating system Windows 98 SE or later e Memory ram 16 Mbytes at least e Hard disk 20 Mbytes of free space at least e Screen resolution 800 x 600 or better Internet Explorer version 5 5 or later should also be installed INSTALLING THE SOFTWARE When you are ready to install the software insert the cd rom in the computer and wait for the installation wizard to pop up Should the wizard fail to start click the Start button in the Applications Bar and select Run Enter D setup exe where D is your Cd rom drive You will be asked to choose a directory where the software will be installed we recommend to choose the default one Once the installation has been completed the icon of the program will be automatically put on your desktop INTRODUCTION It s not necessary to connect the ECU to start the software However if you want to program the ECU you need to connect the it to the PC with an interface cable part number OMVL 411028 not supplied in the kit should be ordered separately Furthermore the control unit must be powered by the 12 V battery voltage via the red black wire and properly gro
11. automatic calibration 1 Start the vehicle on petrol and wait for the engine to reach its normal operating temperature approximately 90 2 Start the automatic calibration procedure by pressing the ENTER key and follow the instructions shown on screen When the engine revs have reached the value specified on screen the control unit will perform several switch from petrol to gas The engine s revs will probably drift during the first stages It is important to keep the accelerator pedal steady even if the revs drift without trying to correct the revs If the engine stalls during the automatic calibration procedure enter VEHICLE CONFIGURATION in the F1 Change over section and select Reset ecu and go to Esci base parameters After resetting restore the settings for the parameters in VEHICLE CONFIGURATION if necessary e Check the nozzles size Return to AUTOCALIBRATION and start the automatic calibration procedure again as described above Try the auto calibration while driving on the road if it seems that it s difficult to complete it while on idle After completing the AUTOCALIBRATION try the vehicle on gas and verify that it runs smoothly Note Starting from software version 4 1 0 the default starting injection time has been changed from 4 2ms to 3 5ms This should ease out the auto calibration process most of all with Range Rovers that had some troubles during this proces
12. ctors Reducer Type of revolution signal Mo of cylinders Ignition type Type of change over in acceleration Revs threshold for change over 1600 rpm Reducer temperatura for change over Change over from petrol gas delay Overlapping time lt lt 4 5 Press gas MAP n a Sensor AEB025 Press gas the difference in pressure between the injection rail and the manifold air pressure of the intake read by the pressure sensor supplied in the kit MAP Manifold Air Pressure reading only if you are using an AEB025 sensor and type of sensor used 5 This box displays the voltage of the lambda probe and the gas level in the tank in a O to 255 range Info if you do not connect the purple wire to the lambda probe you can t read the lambda voltage on the screen F1 Change over 1 Note all the parameters painted in YELLOW F6 Adjustments F3 Emissions F4 Sensors F5 Map Fuel type Type of revolution signal No of cylinders Ignition type Type of change over E Revs threshold for change over 1600 Reducer temperature for change over Change over from petrol gas delay Overlapping time F7 Modify carb FUEL TYPE This box is used to reset the control unit to the default parameters for the selected fuel type Select GPL for vehicles powered by LPG METHANE for vehicles powered by CNG The selecion of LPG or METHANE changes also the directory where the configuration
13. e load The boxes are painted in red to show the actual working point of the engine WEAKENING ON MAZDA We found out that some Mazda engines under certain conditions switch their injection strategies from sequential to full group When this happens the petrol injection timings decrease by a 50 and the dot on the map moves to a higher row pointing at wrong figures The engine then starts to shake and the car doesn t run smoothly The Weakening on MAZDA lets you set a value that will be subtracted from the figures in the map taking them back to the right value Enrichment in acceleration e e LEANING ees sees ENRICHING PROCEDURE FOR VERIFYING CARBUREATION PROCEDURE CARBUREATION FOR VERIFYING Before proceeding with any modifications first verify that the vehicle runs fine while on petrol because the Gas injection is based on the Petrol one Start the vehicle on petrol and wait for the engine to reach its normal operating temperature approximately 90 select the box where you intend to verify carburetion and keep the position of the accelerator steady verify the reading of the petrol fuel trims using an OBDII palm top switch to gas trying to get back to the same number of engine revs and returning to the same box verify the reading of the fuel trims if while on gas the reading of the fuel trims changes more than 3 4 units from their original va
14. efs not as standard Reserve 1 4 214 314 Press to confirm Automatic change back to petrol Low pressure time for change back 0 00 0 00 rpm Tinj gas n a Tinj petrol Press gas MAP Sensor AEBO25 n a n a Laval Not standard inverted n a Sansor AEGO25T Level OMVL spa PAGE F5 MAP It is possible to modify the gas mixture in this page adjusting the map created by the automatic calibration procedure Changing the map is not mandatory we recommend to check the mixture and modify the map only if necessary You can check if the engine is correctly carbureated while on gas using a diagnostic tool capable of reading the petrol ECU fuel trims for example you can use an OBD II scan tool on OBD II equipped cars simply check the fuel trims at different revs You can check the carbureation also without a scan tool checking the strobing of the lambda signal while switching form petrol to gas and vice versa You can still make some test even if the lambda probe is not connected to the gas ECU just compare the petrol injection timings while on petrol and while on gas switching from petrol to gas and vice versa Petrol injection F1 Change over timings F2 Lambda F3 Emissions K ratio for given petrol injection time and engine s or e Switch from PC F6 Adjustments FgeModity carb Engine s A cui i revs e PETROL Revs Orpm Tinj gas 0 00 Press gas T gas n a
15. equired for the changeover to gas the control unit WILL SWITCH TO GAS under this temperature The control unit will continue to operate on GAS even if the temperature falls below the threshold temperature while running on gas We recommend setting a temperature between 20 C and 45 C if you set a too low temperature the Petrol to Gas changeover will take place when the reducer is not warm enough to ensure a sufficent gas supply if the temperature you set is too high it will take a long time to switch to gas CHANGE OVER FROM PETROL GAS DELAY Set the minimum time the ECU waits from the engine start before switching to gas even if the reducer s temperature has already reached the threshold temperature This delay lets the original ECU perform all the checks it needs on the vehicle s sub systems whitout annoying it with the gas power Reset ecu and go to base parameters If you press this button all the parameters in the control unit are cleared and the configuration is reset to the default one We recommend to use this button ONLY in the following circumstances after each use of the ECU REPROGRAMMING feature to update the ECU to a new firmware we recommend you press this button before any other modification on the configuration if you are not sure that all the parameters have been set correctly and you want to start from scratch again press this button to restore the default configuration and
16. es in the time lines should increase smoothly in the first 5 6 rows while the other values should increase proportionally till the 12th line PETROL Revs Orpm Tinj gas T gas n a Tinj petrol T reducer n a PAGE F6 ADJUSTMENTS REDUCER TEMPERATURE CORRECTIONS F1 Change over Reducer LIAE DENTI C You can change the temperatures and the correction percentages You should modify the temperatures only if the reducer tempetra ture for change over is lower than the figures in the correction table FA Soneore You should change the correction percenta ges only if you think that the mixture is too rich at a specific temperature F2 Lambda F3 Emissions GAS TEMPERATURE CORRECTIONS This table lets you compensate the variation erino mes om Tinigos Pres a gas n a inj petro na of the gas density over temperature Taine kl 8 Sensor AEBO25 16 m C 100 m C 100 OMVL spa PAGE F7 MODIFY CARB Manual carburation adjustment 50 Idle Out of idle Fi Chang F2 Lambda Very low load Low load Middle load Higth load In this page you can modify the gas carbureation to fine tune the map created by the auto calibration This operation is not F3 Emissions F4 Sensore Extrainj sensitiveness mandatory and we strongly suggest to check the carbureation before making any modification FE Adjustments PETROL Reva T gas T reducer n a There are 2 col
17. gen Citro n Ford and FIAT selling to Europe 4396 the Americas 1496 and Australasia 4396 The company s headquarters and manufacturing premises are now based in Pernumia Padua while commercial branches or production plants are located in Iran Brazil and Argentina MISSION E VISION The adoption of gas as an alternative fuel for motor vehicles and other applications too can certainly be considered the stepping stone to a future characterized by the use of cleaner energy with a lower carbon content since it is handy and economical competitive and relatively plentiful besides being by far the least pollutant of Known fossil fuels It would also provide a promising source of hydrogen in the event that fuel cells should ultimately replace conventional fueling systems in the not too distant future All this is a matter of conviction for OMVL and forms the basis of the company s mission statement optimum performance with minimal emissions a combination giving Customers maximum satisfaction and reliability and a steadily cleaner future STATE OF ART The popularity of motor vehicle gas fueling systems has been boosted mainly by 2 factors fuel economy the cost of CNG and LPG globally is much lower than that of petrol and there is also the bonus of reduced engine wear and lower emission levels All around the world in point of fact there is an increasing willingness to develop and encourage new technol
18. lue for example the trim changes from 896 to to 11 1296 correct the carburetion following these rules e if the fuel trim drifts up increasing its value the petrol control unit has detected a lean carburetion Therefore a value that is more or less the same as the increase of the fuel trim should be entered in the corresponding box e f the fuel trim drifts down decreasing its value the petrol control unit has detected rich carburetion and a negative amount must therefore be entered Verify that the fuel trim show has same reading while on Gas and on Petrol after each modification Repeat this procedure for each single box Please note that on road vehicle testing is necessary to select some boxes There is no need to modify the carburetion if the fuel trim shows the same reading during gas and petrol operations NOTE it s important that you perform any modification only while running on petrol OMVL spa DISPLAY This page displays all the signals that are acquired by the control unit 1 Displays the temperature of the gas reducer 2 Displays the gas temperature 3 Displays the current number of engine s revs 4 Indicates if the vehicle is running on Gas or Petrol 5 This box displays the current Gas injection time the current petrol injection time the difference in pressure between the gas in Nozzle Dimension Table CNG SYSTEM Nozzle Nozzle Nozzle code diam section 0 00ms 0 00ms
19. n efficency and effectiveness which guarantee a continuous and increasing consumer satisfaction of our products branded REG Progettazione e lt o u o al ua co lt o m cc a oO O a oO he a hal c E O a EN ote i I co c er o o a sb c 4 no el x e al Mm CERTI TY Certificato Nr 50 100 2684 This certificate is vali for the REG products are subjected to a process control for the entire manufacturing course which starts from in coming material control to final tests under pressure performed on the production as a whole in accordance with the international and internal Regulations in order to guarantee and maintain continually a high standard of quality and safety The LPG and CNG converting components are approved in line with the European Regulations R67 01 and R110 Moreover the CNG converting components are approved in accordance with ISO 15500 Regulation REG converting systems for small medium and high power engines are approved in line with the European standards for emissions of pollution Euro4 FICATE Si attesta che This is to certify that IL SISTEMA QUALIT DI THE QUALI TY SYSTEM OF CONFORME Al REQUISITI DELLA NORMA HAS BEEN FOUND TO CONFORM TO THE REQUIREMENTS OF UNI EN ISO 9001 2000 valido per ll seguente campo di foliowing applicazione product or service r
20. o the gas level in the tank 0 255 With this option selected you can de fine the thresholds for the level gauge in steps of 1 4 of the tank The maxi mum value is for the full level the mini mum for the empty level 0 00V Lambda Level 0 Non standard inverted select this option for all non AEB sensors that give an output inversely proportional to the gas level in the tank 255 0 With this option selected you can de fine the thresholds for the level gauge in steps of 14 of the tank The maxi mum value is for the empty level the minimum for the full level F6 Adjustments F7 Modify carb PETROL Revs T gas T reducer F1 Change over F2 Lambda F3 Emissione FB Adjustments F7 Modify carb Automatic change back to petrol Low pressure time for change back 0 00 0 00 0 00 0 00 Orpm Tinj gas n a Tinj petrol n a MAP Type of map sensor Type of GAS level sensor Level refs not as standard Reserve 1 4 214 3 4 Press to confirm Automatic change back to petrol Low pressure time for change back Sensor AEBO25 Press gas n a Leve Not standard E 58 H15 162 216 Revs T gas T reducer PETROL Fi Changeover F2 Lambda F3 Emissions FG Adjustments F7 Modify carb PETROL Reva T gas T reducer na 0 00 0 00 Orpm Tinj gas n a Tinj petrol n a Press gas MAP Type of map sensor Type of GAS level sensor Level r
21. ogies to exploit clean energy sources Where environmental awareness is particularly keen as in the countries of Northern Europe and where levels of pollution are especially high India Mexico local governments encourage the installation of CNG and LPG systems by offering tax breaks and subsidies OUR PRODUCTS OMVL products all marketed under the REG brand are the outcome of long term research and advanced technology Thanks to a wealth of know how accumulated over a quarter century of activity and experience in the field solid investments and regular feedback from users on products and their applications OMVL is able to offer business partners the most advanced and workably competitive solutions supplied within the most competitive time scales Reducers mixers ECUs accessories and parts are designed and produced by OMVL with pressure diecasting machining assembly and testing operations all organized entirely as internal procedures OMVL spa Quality QUALITY OMVL is a Company certified with a Quality System ISO 9001 2000 This certificate released by TUV Italy which belongs to the German Group TUV Suddeutschland is related to the entire process of designing manufacturing and marketing of gas components and complete fuel supplying systems for gas propelled vehicles OMVL Company processes are defined monitored and subjected to programs of constant improvements in order to reach high goals i
22. re in order to download an existing configuration into the control unit 3 This is the version of the control unit s software select the ECU REPROGRAMMING sub menu to update it Note this is only possible if INTERNET EXPLORER version 5 5 or later is installed on your PC 4 This indicates if the current configuration downloaded into the control unit uses the operating parameters for CNG or LPG go to the VEHICLE CONFIGURATION sub menu to select the type of fuel Vehicle configuration This sub menu is made up of 7 pages when the REG009 dongle key is plugged into the PC where you can change the parameters that define the behaviour of the gas control unit These parameters must be set according to the signals that are present on the vehicle O At the bottom of any page you have a resuming sight of the gas ECU parameters 1 2 3 PETROL Revs Orpm Tinj gas 0 00 T gas n a Tinj petrol 0 00 T reducer n a 1 This box displays whether the vehicle is powered by petrol or gas The description CUT OFF may also appear when the system is in cut off 2 This box displays the Engine Revs currently read by the control unit T gas is the temperature of the gas inside the injection rail T reducer is the temperature of the water inside the pressure reducer 3 This box displays the gas Tinj gas and petrol Tinj petrol injection times 4 In this box you can see Fuel type Inje
23. s in the past OMVL spa SAVE CONFIGURATION All the parameters set in vehicle configuration can be saved using this menu in a file that can be used later for the programming of other control units installed on the same model of vehicle that use the same type of fuel Methane or LPG Name of file to be saved Auto XYZ Files available F Auto XYZ To save it specify the Name of file to be saved and click OK Ecu type 3 4 cilynder ok Cancel E gt Note selection of the number of cylinders in the bottom section of the window only appears if the control unit is not connected to the computer If the control unit is connected to the computer this information will be saved when you select NO OF CYLINDERS in the vehicle configuration page LOAD CONFIGURATION An existing configuration can be loaded into a control unit using this menu The configuration files are contained in two separate directories one for LPG configurations and the other for METHANE configurations AW Before loading a configuration you must enter VEHICLE CONFIGURATION and select METHANE or LPG in Fuel type according to the configuration that you Ecu ype 8 4 cilyndor il _ Camel want to load Selection of the number of cylinders computer this information will be saved when in the bottom section of the window you select NO OF CYLINDERS in the vehicle only appears if the control uni
24. t is not configuration page connected to the computer If the control unit is connected to the Select the file that you want to load and click OK Note To avoid problems during the control unit programming stage do not rename configurations and avoid moving them to directories other than the original ones Laza ECU REPROGRAMMING Itis possible to update the FIRMWARE the management program inside the control unit for the gas control unit using this menu The installation CD Rom for the calibration software always includes the latest version of the firmware available at the time the CD Rom is produced whereas any later firmware versions may be sent by e mail or by disk and must be requested to your dealer To update the FIRMWARE select ECU REPROGRAMMING and the Select programming file window will appear y Cronologia mw rn y lan 2001N_ 00301 po4 Et la 2001N_ 00500 po4 pe De sktop Ba Risorse del eo c Select the update file and click open a Aie di rete Should there be more than one file select the one with the highest number the latest version Fini proganiasione 3 4 olidi Note in order to avoid the loss of the configuration in the control unit check that the control unit is connected to the computer before updating the FIRMWARE IMPORTANT Reprogramming is only possible if INTERNET EXPLORER version 5 5 or above is installed on your PC
25. umns in the MODIFY CARB section Idle when the engine s speed is below 1100 RPM Out of idle when the speed is above 1100 RPM EXTRAINJ SENSITIVITY The DREAM XXI N ECU converts the extra injection pulses generated by the petrol ECU into gas injections However the petrol extra injection timings are very short and under some conditions the gas injectors could not fully open giving thus an inaccurate flow of gas To avoid this problem you can change the Extra injection sensitivity when you set the extra injection fader to the minimum value the gas ECU converts the petrol injection timings into gas injection timings without extra injection thus the extra offset time is O When the fader is set to the maximum the DREAM XXI N ECU converts the petrol injection timings into gas injection timings with the maximum extra injection time extra offset time is 3 6 ms The suggested settings for the fader are O for CNG systems and middle position for LPG systems ENRICHMENT IN ACCELERATION This feature is active only when the bar under the fader is painted in blue this happens while you are accelerating or decelerating In these conditions you can enrich or lean the mixture to enhance the drivability You can use this only if you installed an AEBO25 pressure sensor Weakening on Mazda rpm Tinj gas Press gas na Tinj petrol MAP na Sensor AEBO25 i Level Both columns are divided up into 4 boxes showing the engin
26. unded black wire Main Menu This menu is used to access all the submenus contained in the software all of which are listed and described below DISPLAY AUTOCALIBRATION SAVE CONFIGURATION LOAD CONFIGURATION ECU REPROGRAMMING EXIT The following information is provided at the bottom of the page 1 2 3 4 EE Om LPG 1 This indicates if the control unit is connected or not connected to the PC It is important to 2 This is the name that can be given or has been given to the configuration of the vehicle for a remember that any settings made when the control unit is not connected will be lost at the time of connection unless they have been already saved in a configuration file The program will automatically attempt to connect to the control unit when you open it If the program can t connect to the ECU a window will pop up reporting an error You should check the connection of the serial interface the connection of the control unit to the battery and to ground if the key has been switched off for more than an hour you should switch it on for a few seconds or crank up the car if the switch doesn t light up with the instruments To attempt a connection again open the Connection menu at the top of the window and select Connect new control unit the standard configuration is standard LPG The control unit must be connected to the configuration softwa
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