Siemens LMV50 series

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Building Technologies Basic Documentation LMV5... CC1P7550en
19 O2 trim control with LMV52 and PLL52 22.05.2018
Example for calculating manipulated variables
7550d45e/0813
-40.0
-30.0
-20.0
-10.0
0.0
10.0
20.0
30.0
-60 -50 -40 -30 -20 -10 0 10 20 30 40 50 60
Delta temperature
Manipulated variable
Minimum air pressure 60 mbar below set pressure.
Maximum temperature 30 °C above set temperature.
Maximum anticipated manipulated value 14.7%
Minimum air pressure 40 mbar above set pressure.
Maximum temperature 30 °C below set temperature.
Minimum anticipated manipulated value -15.9%
Figure 120: Calculating manipulate variables
Legend
-100 mbar
-80 mbar
-60 mbar
-40 mbar
-20 mbar
0 mbar
20 mbar
40 mbar
60 mbar
80 mbar
100 mbar