Trane IntelliPak WEHE Series - Page 96

System Start-up
96 RT-SVX35H-EN
Figure 51. Natural gas combustion curve (ratio of O
2
to C0
2
in percent)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
0 1 2 3 4 5 6 7 8 9 101112131415161718192021
Percent Oxygen
Percent Carbon Dioxide
Curve Fuel
A = 1,000 BTU per cu. ft.
of Natural Gas.
A
Figure 52. Gas valve adjustment screw locations