Siemens LMV5 Quick Start Manual page 176

O2 Ratio Control, O2 Control, and O2 Monitor Curves
16 MM Btu/hr Gas Burner, 10 to 1 Turndown, FGR, Gas 1000 BTU /SCFH
Set During Fuel-Air Ratio Curve Commissioning
Gas
Point SCFH
1 1600
2 2909
3 4218
4 5527
5 6836
6 8145
7 9455
8 10764
9 12073
10 13382
11 14691
12 16000
8
7
6
5
4
3
2
1
0
1 2 3
LMV5 QSG Rev 4
Figure 6-1.1 Fuel-Air Ratio Curve,
Load Gas Air
% Deg Deg
10 7 10
18 11 15
26 14 18
35 17 25
43 22 29
51 27 36
59 33 44
67 40 52
75 48 63
84 56 72
92 65 79
100 73 85
O2 Ratio Control
O2 Control
O2 Monitor
4 5 6
Sec 6 Pg 2
Set During O2 Trim Commissioning
% O2
Ratio
Aux1 Control
Deg (wet)
30 Cannot trim on Point 1
37 7.2
40 6.9
41 6.7
45 6.5
48 6.1
45 5.9
40 5.9
35 5.4
31 5.1
27 4.9
20 4.6
1.0 %
02
Min
0.5 %
02 Min
7 8 9
Point
% O2 % O2
Control Monitor
(wet) (wet)
5.3
5.8 5.1
5.8 4.9
5.4 4.8
5.2 4.3
4.7
4.3 3.3
4.3
4
3.8 2.8
3.6 2.5
3.3 2.2
Lean
Trim
Rich
10 11 12
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4
3
3
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