Immergas 3.028358, Instructions And Recommendations

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INS
TALLER
U
SER
M
AINTEN
AN
CE
TECHNI
CI
AN
TECHNI
CAL
D
AT
A
4.2 COMBUSTION PARAMETERS
Gas type G20 G31
Supply pressure mbar (mm H
2
O) 20 (204) 31 (377)
Gas nozzle diameter mm 5 5
Flue flow rate at D.H.W. nominal heat output kg/h (g/s) 42 (11.54) 43 (11.83)
Flue flow rate at heating nominal heat output kg/h (g/s) 34 (9.44) 34 (9.56)
Flue flow rate at min heat output kg/h (g/s) 7 (1.98) 7 (2.02)
CO
2 to nominal Q. % 9.2 (± 0,2) 10.2 (± 0,2)
CO
2 to ignition Q. % 9 (± 0,2) 10 (± 0,2)
CO
2 to minimum Q. % 9 (± 0,2) 10 (± 0,2)
CO with 0% O
2
at Nom./Min. Q. ppm 230 / 9 240 / 69
NO
x
with 0% O
2
at Nom./Min. Q. mg/kWh 37 / 26 43 / 39
Flue temperature at nominal output °C 65 65
Flue temperature at minimum output °C 56 57
Max air combustion temperature °C 50 50
Combustion parameters: measuring conditions of useful efficiency (flow temperature/return temperature= 80 / 60 °C), ambient temper-
ature reference = 15°C.
Available head
intake / exhaust with
F0 = 0
Available head
intake / exhaust with
F0 = 1
Available head
intake / exhaust with
F0 = 2
Pa Pa Pa
68 113 152