The changeover switch supplied with the kit has one button, 7 LEDs and an internal buzzer.
This is used to select either the petrol or the gas fuel supply. Press the button one time to switch to
gas and press it again to return to petrol.
Rapid flashing – the control unit is prepared to start with petrol and switch automatically to GAS.
Steady on with yellow LED off – Gas operation.
Fuel level indicator; reserve RED LED, while the 4 GREEN LEDS indicate the fuel level (1/4, 2/4,
3/4, 4/4). The indicator is illuminated only when the gas mode is selected.
Steady on with Green LED off – PETROL operation.
Steady on with flashing Green LED – the control unit is prepared to start with petrol and
switch automatically to Gas.
When the changeover switch indicates the fuel tank is in reserve and the gas pressure drops below a
set value, the control unit automatically switches over to gas. This prevents the engine from running
with an excessively lean carburetion, thus damaging the catalyser. Before returning to gas opera-
tion, fill up. The changeover switch signals the changeover to petrol due to low gas pressure by
activating the internal buzzer, illuminating the YELLOW petrol operation LED and by illuminating the
RED LED in an alternating pattern with the 4 GREEN LEDS. To make the changeover switch return to
normal operation press the BUTTON one time; the YELLOW LED will remain on to indicate that the
car is operating with petrol and the buzzer turns off.
10-13
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This document may not be reproduced or made known to any third party without permission of the company EMMEGAS
CHANGEOVER SWITCH OPERATION
Operating description
RED LED –
EMPTY TANK
RESERVE
GREEN LED -
GAS OPERATION
WITH
DIAGNOSTIC
SIGNAL
GREEN LED FUNCTIONS
RED LED + 4 GREEN LED FUNCTIONS
YELLOW LED FUNCTIONS
LOW GAS PRESSURE PETROL CHANGEOVER
4 GREEN
LEDS - FUEL
LEVEL
YELLOW LED -
OPERATION
BUTTON
BUTTON
PETROL
616000112 - Rev. 300513-0