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4.2 COMBUSTION PARAMETERS.
G20
G31
Supply pressure
mbar (mm H
2
O)
20 (204)
37 (377)
Victrix Tera 28 1
Gas nozzle diameter
mm
5.00
3.80
Flue flow rate at nominal heat output
kg/h
44
43
Flue flow 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
65 / 22
81 / 55
Flue temperature at nominal output
°C
70
70
Flue temperature at minimum output
°C
64
63
Victrix Tera 32 1
Gas nozzle diameter
mm
6.00
4.30
Flue flow rate at nominal heat output
kg/h
51
50
Flue flow rate at min heat output
kg/h
9
9
CO
2
at Nom./Min. Q.
%
9.50 - 8.60
11.20 / 10.00
CO with 0% O
2
at Nom./Min. Q.
ppm
300 / 5
430 / 5
NO
X
with 0% O
2
at Nom./Min. Q.
mg/kWh
56 / 18
89 / 39
Flue temperature at nominal output
°C
57
60
Flue temperature at minimum output
°C
58
60
Victrix Tera 38 1
Gas nozzle diameter
mm
6.70
4.90
Flue flow rate at nominal heat output
kg/h
63
65
Flue flow rate at min heat output
kg/h
11
12
CO
2
at Nom./Min. Q.
%
9.20 / 8.50
10.09 / 9.41
CO with 0% O
2
at Nom./Min. Q.
ppm
290 / 10
292 / 7
NO
X
with 0% O
2
at Nom./Min. Q.
mg/kWh
70 / 14
71 / 19
Flue temperature at nominal output
°C
59
59
Flue temperature at minimum output
°C
51
54
Combustion parameters: measuring conditions of useful efficien-
cy (flow temperature/return temperature= 80 / 60 °C), ambient
temperature reference = 15°C.
Victrix Tera 38 1.
METHANE (G20)
PROPANE (G31)
HEAT
OUTPUT
HEAT
OUTPUT
MODULATION
GAS FLOW RATE
BURNER
MODULATION
GAS FLOW RATE
BURNER
(kW)
(kcal/h)
(%)
(m
3
/h)
(%)
(kg/h)
37.9
32594
D.H.W.
99
4.13
99
3.03
32.0
27520
CH +
D.H.W.
80
3.46
81
2.54
6.3
5404
1
0.69
1
0.50
6.1
5246
1
0.67
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