Trane IntelliPak WEHE Series Installation, Operation And Maintenance Manual page 96

System Start-up
Figure 51. Natural gas combustion curve (ratio of O
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
Figure 52. Gas valve adjustment screw locations
96
to C0
2
Curve Fuel
A = 1,000 BTU per cu. ft.
of Natural Gas.
A
Percent Oxygen
in percent)
2
RT-SVX35H-EN