3 Intended Use
12
Rev. 09/2022
Mixture Control
The fuel (gas) is guided into the nozzle using the adjustable wedge-shaped openings in a fuel
ring
. The openings of the fuel ring are adjusted by a stepper motor and a drive belt
. The
stepper motor of the VariFuel3 is controlled by a stepper motor driver. This can process the
signals of a master control.
Connections
All VariFuel3 gas mixers also have the following connections:
–
An impulse line connection for connecting the air inlet to a balance or zero pressure regula-
tor
–
A gauge port for measuring the gas pressure at the gas inlet by a pressure gauge
