Siemens LMV5 Series Technical Instructions page 194

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Technical Instructions 
Document No. LV5‐1000 
 
barometric pressure that existed during O
change to keep the same %O
 
Air temperature during O
2
Barometric pressure during O
 
Maximum expected air temperature = 120°F (+40°F compared to commissioning) 
Minimum expected air temperature = 30°F (‐50°F compared to commissioning) 
Maximum expected barometric pressure = 31.5 inHg (+1.5 inHg compared to commissioning) 
Minimum expected barometric pressure = 28.0 inHg (‐2.0 inHg compared to commissioning) 
 
Using Figure 6‐8 and the information above, the following values can be found: 
 
O2MaxManVariable = 13 
O2MinManVariable = ‐16 
 
Since other small factors exist that can change (heating value of the fuel, change in draft, etc.), it is 
suggested that an additional 5% are added to the max and subtracted from the min, giving the following 
settings: 
 
O2MaxManVariable = 18 
O2MinManVariable = ‐21 
 
Figure 6‐9:  Finding the Theoretical Max and Min Manipulated Variable for Given Conditions 
Section 6 
                                                          Page 22                                                                          SCC Inc. 
 Control Curve commissioning, the manipulated variable must 
2
 in the stack.  An example is done below and illustrated in Figure 6‐9: 
2
 Control Curve commissioning = 80°F 
 Control Curve commissioning = 30.0 inHg 
2
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