Siemens LMV51 Series Basic Documentation page 112

Burner control with integrated fuel / air ratio control and load control, load control including o2 trim control for forced draft burners
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5. Curve settings via manual control
The system continues the startup sequence and assumes normal operation. The first
curvepoint entered are the ignition positions and the load entered is the number of de-
grees (angular rotation) of the fuel actuator.
90°
Pos.
AIR
FUEL
AUX
0 %
7550d07e/0704
Change of load / position resulting from an automatically entered point
Choose «Man» from the menu «Params & Display» → «Ratio Control» → «Settings
Gas / Oil» → «Curve Param». It is now possible to follow the above curves by changing
the load. A point can be saved at every intermediate point. Then, the load / position
graph will look as follows:
90°
Pos.
0 %
7550d08e/0704
Change of load / position with two points
Basic Documentation LMV5...
7 Display and operating unit AZL5...
100 %
Load
AIR
FUEL
AUX
100 %
Load
CC1P7550en
13.08.2004

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