Issued June 2020
Compressed Natural Gas (CNG) Option
Copyright 2020, Heil Environmental
Printed in U.S.A.
249
HEIL CNr
(CONTINUED)
Low Fuel Level Detection
The system is capable of detecting low fuel levels and will
give audible and visual alerts that the truck needs to be
refueled, as shown in the figure below. Whenever pressure
drops below 500 psi on the system side, the system will
show a Low Fuel Warning alert message along with an
audible alert.
Figure 90. Display Screenshot:
Low Fuel Warning
CNG Tank Option Configuration
The system is designed for different tank configurations
and is a common design which will work from 3 tank to 7
tank system. This helps the customer to upgrade to higher
DGE (Diesel Gallon Equivalents) by adding more tanks
without need to modify anything in this system. The figure
below shows a snapshot of the Tank Option Configuration
maintenance screen where you can configure the number
of tanks on the truck.
Figure 91. Display Screenshot:
Tank Option Configuration
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