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4.2
COMBUSTION PARAMETERS
Gas type
Supply pressure
Gas nozzle diameter
Flue flow rate at D.H.W. nominal heat output
Flue flow rate at heating nominal heat output
Flue flow rate at min heat output
2 to nominal Q.
CO
2 to ignition Q.
CO
2 to minimum Q.
CO
CO with 0% O
at Nom./Min. Q.
2
NO
with 0% O
at Nom./Min. Q.
x
2
Flue temperature at nominal output
Flue temperature at minimum output
Max air combustion temperature
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
Pa
68
mbar (mm H
O)
2
mm
kg/h (g/s)
kg/h (g/s)
kg/h (g/s)
%
%
%
ppm
mg/kWh
°C
°C
°C
Available head
intake / exhaust with
F0 = 1
Pa
113
G20
G31
20 (204)
31 (377)
5
42 (11.54)
43 (11.83)
34 (9.44)
34 (9.56)
7 (1.98)
7 (2.02)
9.2 (± 0,2)
10.2 (± 0,2)
9 (± 0,2)
10 (± 0,2)
9 (± 0,2)
10 (± 0,2)
230 / 9
240 / 69
37 / 26
43 / 39
65
56
50
Available head
intake / exhaust with
F0 = 2
Pa
152
5
65
57
50
69
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