15
COMBUSTION
After 10 minutes of normal operation, take a smoke test and adjust
SETTING/
the burner to obtain a reading of “1” on the smoke scale.
EFFICIENCY
.
Take a CO
2
test and note the result.
(18 full slow steady
pump action)
Open the air band on the burner to
reduce your CO
2
lecture by 1.5% with a two pipes installation. On a one pipe
installation reduce your CO
2
by 1%.
You now have a perfect “ 0 ” of smoke
Relation between % of CO
2
and O
2
CO
2
(%)
O
2
(%)
Excess Air (%)
13.5
2.6
15.0
13.0
3.3
20.0
12.5
4.0
25.0
12.0
4.6
30.0
11.5
5.3
35.0
11.0
6.0
40.0
To reach the maximum smoke
test value, a 10 full slow steady
pump action is required.
CO2 test can be done mechanically or electronically
