Issued June 2020
Compressed Natural Gas (CNG) Option
Copyright 2020, Heil Environmental
Printed in U.S.A.
252
HEIL CNr
OPTION (CONTINUED)
System Under Voltage
The display notification shown in the figure
below will only be displayed in the event that
the System Voltage is less than 8 volts,
indicating that there is voltage too low to
safely operate the Cortex Controller and
Display.
Figure 96. Display Screenshot:
System Under Voltage
Fuel Fill Mode
For the CNrG Solenoid System only, engage Fuel Fill Mode on the in-
for fast fill fueling. The "FUEL FILL MODE" button turns green when
engaged. After Fuel Fill Mode is engaged, the Fuel Fill Mode remains
active for one (1) hour or until the ignition key switch cycles ON-OFF-
ON.
WARNING
BEFORE fueling the CNrG Solenoid System (if equipped), Fuel Fill
Mode
While Fuel Fill Mode is engaged, the system will not detect leaks.
Figure 97. Display Screenshot:
Fuel Fill Mode OFF
Figure 98. Display Screenshot:
Fuel Fill Mode ON