5.4.3.
Setting the air/gas ratio (Part load)
1. Unscrew the plug of the flue gas measurement point.
2. Connect the flue gas analyser.
WARNING
Ensure that the opening around the sensor is completely
sealed when taking measurements.
3. Set the boiler to part load. Press the
[-]
key several times until
l3
is displayed on the screen.
4. Measure the percentage of O
2
or CO
2
in the flue gases.
5. Compare the values measured with the checking values given in
the table (Front panel removed).
6. If necessary, adjust the gas/air ratio using the adjusting screw
(
B
).
O
2
/CO
2
control and setting values at part load for G20 (Gas H)
Boiler type
Setting value
Checking value
O
2
(%)
CO
2
(%)
O
2
(%)
CO
2
(%)
Quinta Pro 30
4.8 ± 0.2
9.0 ± 0.1
4.8 ± 0.5
9.0 ± 0.2
Quinta Pro 45
4.8 ± 0.2
9.0 ± 0.1
4.8 ± 0.5
9.0 ± 0.2
Quinta Pro 65
4.8 ± 0.2
9.0 ± 0.1
4.8 ± 0.5
9.0 ± 0.2
Quinta Pro 90
3.9 ± 0.2
9.5 ± 0.1
3.9 ± 0.5
9.5 ± 0.2
Quinta Pro 115
4.3 ± 0.2
9.3 ± 0.1
4.3 ± 0.5
9.3 ± 0.2
O
2
/CO
2
control and setting values at part load for G31 (Propane)
Boiler type
Setting value
Checking value
O
2
(%)
CO
2
(%)
O
2
(%)
CO
2
(%)
Quinta Pro 30
4.6 ± 0.2
10.7 ± 0.1
4.6 ± 0.5
10.7 ± 0.2
Quinta Pro 45
4.6 ± 0.2
10.7 ± 0.1
4.6 ± 0.5
10.7 ± 0.2
Quinta Pro 65
4.6 ± 0.2
10.7 ± 0.1
4.6 ± 0.5
10.7 ± 0.2
Quinta Pro 90
4.6 ± 0.2
10.7 ± 0.1
4.6 ± 0.5
10.7 ± 0.2
Quinta Pro 115
4.9 ± 0.2
10.5 ± 0.1
4.9 ± 0.5
10.5 ± 0.2
T001581-A
T001998-A
rpm
kWµA
± 30
l/min
bar
Psi
St
ºC
ºCºFh
T003242-A
B
B
B
Quinta Pro 30 - 45 - 65 - 90 - 115
5. Commissioning
250413 - 123157-03
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