Commissioning - Page 22
Table 4. Gas Pressures
3.5
Products Of Combustion Measurement
The combustion performance can be assessed by placing a
suitable sampling probe through the access hole in the inner
casing door whilst the appliance is running. Typical figures
based on a 500mm flue length with the boiler operating at
maximum output are:-
CO.
0.002 - 0.005%
CO
.
4.5 - 5.0%
2
Replace the screw in access hole after test.