30
4.8.4 Combustion analysis
To analyse the combustion, use a combustion gas analyser for CO and CO2, periodically calibrated in accordance with the provisions
of the relevant manufacturer.
After checking the offset (see paragraph
4.8.3 Checking the offset
), analyse the combustion to obtain a more correct calibration.
Set the equipment to flue cleaning function:
• press the following keys at the same time:
+
for 5 secs until three digits are shown at the centre of the display,
together with the % symbol
• turn knob to set operation percentage: 0% corresponds to operation at minimum power; 100% corresponds to operation at maximum
power.
Remove the brass cap
B
and connect to the relevant socket onboard the equipment. Check that measured CO2 corresponds to the
values in the technical specifications table or on the nameplate hung to the anti-irradiation metal sheet. If necessary, adjust CO2
content by working screw
A
with equipment at minimum power and working screw
R.Q. ADJ
with equipment at maximum power (fig.
25).
WARNING
After combustion analysis, refit and fasten the brass cap, making sure that the silicone O-ring is not damaged and is
properly in place.
Replace it if damaged!
Pout
Pint
A
R.Q. ADJ
Fig. 25
Check
B
Fig. 26
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