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INSTALLERUSERMAINTENANCE TECHNICIAN
3.24 COMBUSTION PARAMETERS.
G20 G31
Supply pressure mbar (mm H
2
O) 20 (204) 37 (377)
Gas nozzle diameter mm 5.00 3.80
Flue ow rate at nominal heat output kg/h 44 43
Flue ow rate at min heat output kg/h 8 7
CO
2
at Nom./Min. Q. % 9.70 / 8.80 11.40 / 10.60
CO with 0% O
2
at Nom./Min. Q. ppm 360 / 7 560 / 9
NO
X
with 0% O
2
at Nom./Min. Q. mg/kWh 57 / 27 81 / 55
Flue temperature at nominal output °C 70 70
Flue temperature at minimum output °C 64 63
Combustion parameters: measuring conditions
of useful eciency (ow temperature/return
temperature= 80 / 60 °C), ambient temperature
reference = 15°C.
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