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1) Carry out electrical connections as per diagram and be careful to:
•
keep the "VOILA PLUS" wires as far as possible away from the high voltage cables, this to avoid high voltage
discharges that disturb weak signals like those of the Lambda Feeler and TPS, and thus causing malfunctions of the
"VOILA PLUS" and the original injection board system;
•
Connect the BLACK earth wire to the battery negative pole. Keep in mind that the earth marking is of great
importance for a good operation of the " VOILA PLUS " ;
•
Avoid connections with current blankers, the best electric connection is obtained with insulated welding or with
appropriate fastons.
Connection performed without due precautions may cause :
false contacts leading to malfunctions of the "VOILA PLUS" and vehicle;
•
possible short circuits, with damage to the electronic devices.
•
2) Connect the panel box and stepper motor wiring harness
3) Plug in the fuses, check that the RED warning light of the panel box switches on for a few seconds and then off.
The panel box will set the actuator to zero.
•
never replace the supplied 7,5A fuse with one of a higher ampere rating. This could cause irreparable damage
both to the "VOILA PLUS" and to the vehicle.
4) If necessary program the panel box parameters using a computer and its appropriate software.
5) With the adjustment TESTER connected to the "VOILA PLUS" , turn on the petrol fuelled vehicle and wait until the
GREEN, YELLOW, and RED WARNING LIGHTS, placed on the left side of the tester, turn on one after the other.
At this point the Lambda Feeler has warmed up and has started working. If instead the COMPUTER is connected to
the "VOILA PLUS" turn on the petrol fuelled vehicle and wait until the lambda value and the graphic bar on the
monitor right side begin to oscillate. At this point the Lambda Feeler has warmed up and has started working.
If these conditions do not occur, check that:
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the GREY and PURPLE wires have been correctly connected and their position is not inverted (see diagram);
•
the EARTH is correctly connected, and that there are no false contacts;
•
the Lambda Feeler could be damaged then should be replaced.
6) Switch the vehicle over to GAS (LPG or CNG) and carry out a few accelerations and decelerations making sure the
engine does not turn off. In this condition the panel box RED WARNING LIGHT will be on at minimum and will flash
when out-of-minimum, meaning that the panel box has not yet memorised the carburetion parameters.
7) Now run the vehicle at 2.500 - 3.000 rpm and wait until the RED WARNING LIGHT stops flashing. At this stage the
panel box has memorised the correct carburetion position and the RED WARNING LIGHT will indicate:
•
RED WARNING LIGHT on = T.P.S. at minimum
•
RED WARNING LIGHT off = T.P.S. out-of-minimum
8) Now bring the engine to minimum running and adjust reducer minimum, check the correct carburetion with the COM
PUTER or TESTER. The optimal position of the stepper motor during LPG operation lies between 50 - 100 pitches,
and between 70 - 150 pitches during CNG operation. If the difference between these values and the stepper motor
position is higher, it is recommended to check the proper working condition of the mixer or reducer.
9) At this stage it is recommended to carry out a road test, with COMPUTER or TESTER on, so as to check carburetion
with vehicle in movement.
NOTE. WHEN BATTERY IS REMOVED ONLY DATA REFERRING TO THE "VOILA PLUS"
is170 Rev. 190598 - 0
PANEL BOX MEMORY ARE CANCELLED.
ALL SETTINGS DONE VIA COMPUTER REMAIN UNCHANGED.
THESE CAN BE CHANGED ONLY WITH THE COMPUTER.
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