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Table of contents
1PART ONE – installation of the system .......................................................................................... 3
1.1 List of standards............................................................................................................................................... 3
1.2 Description of the LPG STAG 400 DPI system .................................................................................................... 3
1.2.1 Scope of use............................................................................................................................................................. 3
1.2.2 STAG 400 DPI – operation principle......................................................................................................................... 3
1.2.3 Scheme for connecting STAG 400 DPI system .........................................................................................................4
1.2.3.1 Scheme for connecting STAG 400.4 DPI model A1 controller.........................................................................4
1.2.3.2 Scheme for connecting STAG 400.4 DPI model B1/B2 controller ...................................................................5
1.2.3.3 Scheme for connecting STAG 400.4 DPI model C1 controller .........................................................................6
1.2.3.4 Scheme for connecting STAG 400.6 DPI model A1 or STAG 400.8 DPI model A1 controller ..........................7
1.3 Principles regarding installation of particular elements in a vehicle .................................................................. 7
1.3.1 Refuelling valves ...................................................................................................................................................... 8
1.3.2 Autogas tanks ..........................................................................................................................................................9
1.3.2.1 Cylindrical tanks ..............................................................................................................................................9
1.3.2.2 Toroidal tanks................................................................................................................................................ 10
1.3.3 Tank accessories ....................................................................................................................................................11
1.3.3.1 Selection of tank accessories.........................................................................................................................11
1.3.3.2 Installation of accessories .............................................................................................................................11
1.3.4 Installation of gas tubes.........................................................................................................................................13
1.3.4.1 Installation of copper tubes ..........................................................................................................................13
1.3.4.2 Fitting non-metal class 1 tubes .....................................................................................................................13
1.3.5 Reducer, volatile phase filter, PS-02 sensor ..........................................................................................................14
1.3.6 Electronic control unit ...........................................................................................................................................16
1.3.7 Installation of injection nozzles and manifold absolute pressure nozzles.............................................................17
1.3.8 Connecting a fuel rail pressure sensor...................................................................................................................18
1.3.9 Installation of the switchboard..............................................................................................................................18
1.4 Approval of a vehicle for installation of an LPG system ................................................................................... 19
1.5 The first start-up of the gas injection system .................................................................................................. 19
1.6 Installation quality inspection ........................................................................................................................ 19
2 PART TWO – AC STAG diagnostic software.................................................................................. 19
2.1 Description of the diagnostic software ........................................................................................................... 19
2.1.1 Connecting the controller to a PC..........................................................................................................................19
2.1.2 Diagnostic software version ..................................................................................................................................22
2.1.3 Main menu............................................................................................................................................................. 22
2.1.4 Controller's parameters.........................................................................................................................................26
2.1.5 Maps ...................................................................................................................................................................... 29
2.1.6 Auto-calibration .....................................................................................................................................................34
2.1.7 Errors ..................................................................................................................................................................... 35
2.1.8 Recorder ................................................................................................................................................................38
2.1.9 “Monitor” window.................................................................................................................................................39
2.1.10 “Oscilloscope” window .......................................................................................................................................... 40
2.1.11 “OBD reader” window ...........................................................................................................................................41
2.1.12 Gas level indicator ................................................................................................................................................. 43
2.1.13 Autoadaptation ....................................................................................................................................................44
2.1.13.1 OBD mode ..................................................................................................................................................... 44
2.1.14 Controller’s update................................................................................................................................................45
2.2 Programming the controller ........................................................................................................................... 46
2.2.1 Auto-calibration .....................................................................................................................................................46
2.2.2 Multiplier map correction...................................................................................................................................... 47
2.3 Operation of the LED switchboard and sound signals (user's manual) ............................................................. 51
2.3.1 LED-401 switchboard .............................................................................................................................................51
2.3.2 LED-500 switchboard .............................................................................................................................................52
2.4 Sound signals ................................................................................................................................................. 54
2.5 Technical specification ................................................................................................................................... 54
2.6 Appendices .................................................................................................................................................... 54
