7.3.4.
Checking combustion
The check on combustion is done by measuring the percentage of
O
2
/CO
2
in the flue gas discharge flue. To do this, proceed as follows:
1. Unscrew the plug of the flue gas measurement point.
2. Connect the flue gas analyser.
CAUTION
Ensure that the opening around the sensor is completely
sealed when taking measurements.
3. Set the boiler to full load. Press the two
B
keys simultaneously.
The
B
symbol is visible on the menu bar and
h3
appears in the
display. The boiler is now operating at full load.
4. Measure the percentage of CO
2
and compare this value with the
checking values given.
¼
See chapter: "Setting the air/gas ratio (Full load)", page
5. Set the boiler to part load. Press the
[-]
key several times until
l3
is displayed on the screen. The boiler is now operating on
part load.
6. Measure the percentage of CO
2
and compare this value with the
checking values given.
¼
See chapter: "Setting the air/gas ratio (Part load)", page
T001581-A
T001631-B
...x
7. Checking and maintenance
Quinta Pro 30 - 45 - 65 - 90 - 115
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