2. Training at profigas, kiev 2010-09-15,16
LANDIRENZO Alternative Fuel Systems
Training at profigas, kiev ,16

3. System Overview 3

4. Landi Systems Overview
Landi designs and produces “ready to go” LPG / CNG systems covering
OEM and aftermarket installation
Any type of alternative fuel from LPG to CNG and CNG hydrogen mixture
Landi focuses on optimising the installation process, engine endurance, vehicle performance and exhaust emissions
CNG/LPG systems mainly consist of the following components:
Pressure reducers and vaporizer (only LPG)
Valves / electrical valves
Injectors
Electronic control units
Switches
Air / fuel mixers
Landi does not produce the tank
Landi gas fuel systems are installed “on top” of the existing petrol fuel system, allowing the vehicle to be operated by both fuels

5. Multipoint Injection System
Landi LPG Systems
Multipoint Injection System
Mixer Based System (1)
Carburetor Vehicles
Omegas
IG1 or LI02 pressure reducer
OMEGAS ECU
OMEGAS Switch
GI Injector Rail
V05, LC01, LCS/2
SE81 or EC04 pressure reducer
V05, LC01, LCS/2 ECU's
V05, LC01, LCS/2 Switches
Stepper Motor Actuator
Air / Fuel Mixers
094 or Renzomatic
SE81 or Renzomatic pressure reducer
094 or 100 family switches
Mixers
Petrol Solenoid Valve
(1) Mixer based systems have a Lambda control unit if a catalyst is present

6. Switch – Level Indicator LANDIRENZO OMEGAS PLUS
LPG system layout
Toroydal Tank
Switch – Level Indicator
LANDIRENZO OMEGAS PLUS
Injectors Rail
Filling plug
Filter
Gas Reducer IG1
OMEGAS Ecu
© LANDI RENZO SPA CONFIDENTIAL 6

7. Omegas main components Overview7

8. © LANDI RENZO SPA CONFIDENTIAL
Landi Renzo Omegas ECU
Temperature range from – 40° to 100°C
IP59 protection level
Automotive microprocessor 16 bit 50 Mhz
Up to 8 injectors management, 2 version available, 3-4 cylinders and cylinders
Sensors and actuators self diagnosis
Input and Output self protection
PC Communication via wiring harness diagnosis connector
© LANDI RENZO SPA CONFIDENTIAL

9. NG2-2 – CNG Pressure regulator
Two stage aluminium modular regulator
External HP shut-off valve
Filter integrated in shut-off valve
Service Pressure: 15260 bar
Nominal Output Pressure: 2 bar gauge (Normal)
2.5 bar rel. (Turbo)
Other set pressure available for specific appli.
Temperature Range: -40°  120° C
Solenoid Valve Supply: 6  16 Volt
Input Filter: 50 m
Flow Rate:
Max: 40 Kg/h
Weight: g.
Homologation: ECE/ONU -40°C min.

10. NG1 - CNG Pressure regulator
Single stage aluminum modular regulator
External HP shut-off valve
Filter integrated in shut-off valve
Service Pressure: 15260 bar
Nominal Output Pressure: 1.95 bar ± 8.5%
Other set pressure available for specific applic.
Temperature Range: -40°  120° C
Solenoid Valve Supply: 6  16 Volt
Input Filter: 50 m
Flow Rate:
Max: 40 Kg/h
Weight: g.
Homologation: ECE/ONU -40°C min. 10

11. Landi Renzo IG1 Pressure Regulator
IG1 – LPG Pressure regulator
IG1 PRESSURE REGULATOR
Two stage aluminum modular regulator
External HP shut-off valve
Filter integrated in shut-off valve
Service Pressure: 2,5 to 30 bar
Nominal Output Pressure: 0.95 bar gau (Norm.)
1.25 bar gau (Turbo)
Temperature Range: -20°  120° C
Solenoid Valve Supply: 6  16 Volt
Air Flow Rate:
Max: 75 Kg/h
Weight: g.
Homologation: ECE/ONU R67/01
© LANDI RENZO SPA CONFIDENTIAL 11

12. Landi Renzo LI02 Pressure Regulator
LI02 – LPG Pressure regulator
LI02 PRESSURE REGULATOR
Single aluminum regulator
External HP shut-off valve
Filter integrated in shut-off valve
Service Pressure: 2,5 to 27 bar
Nominal Output Pressure: 0,95 bar
Temperature Range: -20°  120° C
Solenoid Valve Supply: 6  16 Volt
Flow Rate:
Max: 28 Kg/h of LPG
Weight: g.
Homologation: ECE/ONU R67/01
© LANDI RENZO SPA CONFIDENTIAL 12

13. MED RGBI Gas Injector Current management: 4 / 1 “Peak and hold”
Supply Voltage: 6 to 16 volts
Temperature Range: -40°C to +120°C
Nominal Pressure: 0.8 to 3 bar
Aperture 2 ms
Dimensions: Ø 32 x h 73 mm
Weight: g
Homologation: ECE R -40°C min.
Available in 3 different sizes to cover all the power range of the engines on the market

14. Injector Rails Available
Rail with 2 Injectors with and without P/T sensor
Rail with 3 Injectors with and without P/T sensor
Rail with 4 Injectors with and without P/T sensor
Injector rails package
3 Cylinders engine (1x3 injector rail)
4 Cylinders engine (1x4 injector rail)
4 Cylinders engine boxer (2 x 2 injector rails)
5 Cylinders engine (1x2 injector+1x3 injectors rails)
6 Cylinders engine (2x3 injector rails)
8 Cylinder engine (2x4 injector rails)
Injector sizes:
Each rail is available in 3 different injector sizes
Small (green cap) till 20 kW/cyl
Medium (black cap) from 15 kW to 30 Kw/cyl
Large (white cap) From 25 kw to 40 kW/cyl 14

15. © LANDI RENZO SPA CONFIDENTIAL
Landi Renzo FL One gas filter
Operating pressure: 0,5 – 3 bar
Max pressure drop (% of inlet): < 10%
Maximum air flow: 60 kg/h
Filtration element: rolled paper
Environment operating temperature: -40 /+120°C
Inlet gas operating temperature: -40/+60°C
Weight: g
Life time CNG use: km
LPG use: km
© LANDI RENZO SPA CONFIDENTIAL 15

16. © LANDI RENZO SPA CONFIDENTIAL
Landi Renzo FL-375
Operating pressure: LPG 0,5 – 4.5 bar
CNG 0.5 – 9 bar
Max pressure drop (% of inlet): < 10%
Maximum air flow: 60 kg/h
Filtration element: rolled paper
Environment operating temperature: -40 /+120°C
Inlet gas operating temperature: -40/+60°C
Weight: g
Life time CNG use: km
LPG use: km
(Replace only the cartrige)
© LANDI RENZO SPA CONFIDENTIAL 16

17. Omegas system features17

18. The last generation car technological level represents a new challenge for the producer of LPG and CNG converting systems, due to emission levels, diagnostic devices required by the new laws, performance and driving desired by the costumers.
These facts drove LANDIRENZO to project OMEGAS, the new LPG and CNG sequential multipoint “corrector” injection system with electro-injectors.
The components of OMEGAS are designed by LANDIRENZO in order to be qualified like standard O.E.M. components, with the possibility to be tailored
according to the specific requirements.

19. It’s a gaseous, phased, multi-point sequential injection system:
Gaseous: the system injects gaseous fuels (like LPG or CNG) into the intake manifolds, the closest possible to the intake valves of the cylinders;
Multi-point: The gas is injected very close to the intake port of each cylinder
Phased: the injection feed each cylinder phased with the position of the piston position
Sequential: the cylinders receive the gas one after the other, according to the engine cycle phase in which they are.
System is suitable for:
Full group injection system
Semi sequential injection system
Sequential injection system

21. OMEGAS CONTROL SYSTEM
The control system is slave type ECU. This means that the petrol ECU remains fully operational and calculates the petrol injectors injection timing according to the signals given by the car sensors (lambda sensor signal being the most important one);
Using some more sensor signals and the relative appropriate algorithms, Omegas processes these petrol ECU outputs as inputs, to obtain the correct gas injectors injection timing from petrol ones;
Omegas, then, takes care to physically avoid petrol injection uncoupling the petrol injectors.

22. Operating strategy, petrol injectors uncoupling
Driving signals of injectors
Operating strategy, petrol injectors uncoupling
Petrol ECU
Power supplies of injectors (+15 V)
Uncoupling relay
Uncoupling impedance
Omegas ECU
Petrol injectors

24. Operating strategy: master/slave system
Master ECU (petrol one) doesn’t know about new ECU; it works also in gas mode and all diagnosis are performed (the same running in petrol mode)
EOBD diag (misfire, catalyst, oxygen sensor,…) will be done by master ECU in both mode (petrol and gas). With EOBD tester is possible to check diag. stored with standard PCODE and freeze frame as when a fault occurs in petrol mode.
In addition LANDIRENZO ECU is capable to perform electrical and functional diagnosis on proper sensor/actuator set.
Fault detected by LANDIRENZO ECU are stored into an internal memory; by calibration they can be evidenced to the driver with a buzzer/LED blinking code on the switch and major faults produce a switch back to petrol mode.
© LANDI RENZO SPA CONFIDENTIAL 24

25. Omegas System is not suitable for these engines
Single point injection system
Multipoint injection car without oxygen sensor (system would work but it’s very difficult to calibrate so it’s better avoid unless necessary)
Direct injection engines like
VW group FSI and TFSI engine
Alfa JTS engines
Mitsubishi GDI
BMW new IS engines
It’s possible retrofit some of these engine by the new “Omegas Direct System”

26. Kit/Minikit main components Available but not included in the kit
Pressure regulator/LPG converter (different one depending on the kit)
Filter (Fly-One or FT375 depending on the kit)
Injectors Rail (MED RGI injectors) with integrated T/P sensor
Electronic Control Unit Omegas
Main Wiring
Switch
Standard intake nozzles
Available but not included in the kit
External coolant temperature sensor
Petrol injector uncoupling harness available in different type

27. PRESSURE / TEMPERATURE GAS SENSOR
The pressure sensor inform the ECU gas on the absolute pressure (Bosch sensor) in the injector rail.
It’s integrated in the injector rail and doesn’t need any further adjustment

28. NOZZLE
The nozzle is threaded to the suction manifold and connected to the injectors by
means of a suitable tube.
M6X1

29. OPTIONAL NOZZLES
Internal Nozzle
M8X1

30. Coolant temperature signal
The coolant temperature signal is used to have a precise information about the engine temperature during the warm up and the normally run to gas.
Is possible:
read to original temperature sensor (in the software is present a procedure that allow to parameterize the original sensor of the car).
read the temperature with an additional T sensor not included in a KIT.
In case of temperature sensor not connected the engine will activate a recovery procedure which manage the switch on the gas temperature but is much safer, especially in cold climate, have the correct value of the coolant temperature
Original Water Sensor
Wire to connect to gas harness

31. TEMPERATURE SENSOR (optional)
The water temperature sensor is fitted on the water pipe just before the gas pressure regulator.
The signal transmitted to the GAS ECU is necessary for the correct work of the system.

32. Wire to connect to gas harness
MAP SIGNAL
The MAP signal is used to have a precise information about the manifold pressure.
This signal is directly read to original MAP sensor of the car.
In the software is present a procedure that allow to parameterize the sensor.
If isn’t present the MAP sensor in the software is present other strategy to manage the return to gas when the gas tank is empty.
Original MAP Sensor
Wire to connect to gas harness
+5V
MAP
SIGNAL
GND
AIR
TEMPERATURE

33. OMEGAS STANDARD HARNESS
3-4 CYLINDER MED
KF184lr

34. OMEGAS STANDARD HARNESS
5-6-8 CYLINDER MED
KF188lr

35. Petrol Injectors uncoupling harness

36. DIRECT
INVERTED

41. ECU Two version of ECU are available 3-4 Cylinder ECU
It’s possible by set an cylinder ECU to make it working in 3-4 cylinder engine but it’s needed to use the cylinder harness

42. SWITCHER The new switch has the same function of the previous model.
A new “buzzer” is inserted to inform the driver of the change over to petrol when the gas is finishing.

44. How to access to ECU’s internal memory
Diagnosis stored in internal memory are visible (and resettable) with a dedicated LANDIRENZO tool (Omegas Tool) connected on the RS232 serial port 44

45. Thanks