15
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
3.9 COMBUSTION PARAMETERS.
G20
G30
G31
Julius 11 4 ErP
Gas nozzle diameter
mm
1.30
0.77
0.77
supply pressure
mbar (mm H
2
O)
20 (204)
29 (296)
37 (377)
Pilot nozzle diameter
mm
0.26
0.22
0.22
Gas cone seats
mm
9.0
7.0
7.0
Gas cone inlet
code
0864
0681
0681
Gas cone outlet
code
0870
0679
0679
Gas inlet valve diaphragm
mm
4.70
4.70
4.70
Flue flow rate at nominal heat output
kg/h
46
46
47
Flue flow rate at min heat output
kg/h
39
38
39
CO
2
at Q. Nom./Min.
%
7.10 / 3.15
8.32 / 3.75
8.00 / 3.60
CO with 0% O
2
at Nom./Min. Q. Nom./Min.
ppm
70 / 50
110 / 56
52 / 69
NO
x
at 0% of O
2
at Q. Nom./Min.
mg/kWh
205 / 135
270 / 149
235 / 142
Flue temperature at nominal output
°C
183
189
184
Flue temperature at minimum output
°C
126
130
126
Julius 14 4 ErP
Gas nozzle diameter
mm
1.35
0.80
0.80
supply pressure
mbar (mm H
2
O)
20 (204)
29 (296)
37 (377)
Pilot nozzle diameter
mm
0.26
0.22
0.22
Gas cone seats
mm
9.0
9.0
9.0
Gas cone inlet
code
0855
0881
0881
Gas cone outlet
code
0863
0884
0884
Gas inlet valve diaphragm
mm
5.8
5.8
5.8
Flue flow rate at nominal heat output
kg/h
55
55
58
Flue flow rate at min heat output
kg/h
53
48
49
CO
2
at Q. Nom./Min.
%
7.15 / 2.85
8.20 / 3.70
7.80 / 3.55
CO with 0% O
2
at Nom./Min. Q. Nom./Min.
ppm
60 / 45
86 / 76
37 / 124
NO
x
at 0% of O
2
at Q. Nom./Min.
mg/kWh
195 / 150
282 / 153
250 / 150
Flue temperature at nominal output
°C
153
156
150
Flue temperature at minimum output
°C
111
122
119