Adjusting Co 2 - Bradford White Brute BNTH Installation And Operation Instructions Manual

Page 52
8.10.2 – Adjusting CO
See Section 8.10
GAS TYPE HIGH FIRE, CO
Natural 8.8 to 9.8%
Propane 9.8 to 10.2%
Table 14. (Residential, sizes 150 - 285 Mbtu)
CO Range and Differential Pressure
2
GAS TYPE HIGH FIRE, CO
Natural 8.8 to 9.0%
Propane 9.8 to 10.0%
Table 15. ( Commercial, sizes 399 - 850 Mbtu)
CO Range and Manifold Pressure
2
Figure 41. Brute Gas Valves (ALL)
2
LOW FIRE, CO
DIFFRNTL PRESSURE
2 2
(inches wc)
0.5% lower than
3.6" to 3.9"
high fire setting
LOW FIRE, CO MANIFOLD
2 2
PRESSURE
0.5% lower than -.005" to
high fire setting -.015" wc
399
500
B W
RADFORD HITE
150–285
Outlet Gas
Pressure
(manifold
pressure)