44
The following figures illustrate three various energy input
coefficient configurations.
Figure 9 - Linear coefficients
Used with Modulating Head burners or anytime straight line
control is desired.
E
n
e
r
g
y
I
n
p
u
t
Command Signal
Linear
Figure 10 - Butterfly valve coefficients
Used on fixed head burners with butterfly valve gas control.
E
n
e
r
g
y
I
n
p
u
t
Reference Linear
Command Signal
Figure 11 - Adaptive coefficients
As determined by Control System.
E
n
e
r
g
y
I
n
p
u
t
Reference Linear
Command Signal