16
Rated heating
output
kW
72
84
96
108
120
132
144
Natural gas LL / G25
Pilot gas nozzle 29-2
Nozzle pressure at
full load
mbar
kPa
13.3
1.33
13.3
1.33
12.1
1.21
12.5
1.25
12.5
1.25
12.9
1.29
12.9
1.29
Nozzle pressure at
partial load
mbar
kPa
5.8
0.58
5.7
0.57
5.2
0.52
5.5
0.55
5.6
0.56
5.6
0.56
5.7
0.57
Nozzle designation
3.30
3.30
3.40
3.40
3.40
3.40
3.40
Air restrictor
7
mm
50
50
50
50
50
50
50
LPG P / G31
Pilot gas nozzle 26-1
Nozzle pressure at
full load
mbar
kPa
32.1
3.21
32.1
3.21
32.8
3.28
31.7
3.17
31.9
3.19
30.9
3.09
32.7
3.27
Nozzle pressure at
partial load
mbar
kPa
13.4
1.34
13.4
1.34
13.4
1.34
13.7
1.37
13.2
1.32
13.1
1.31
13.6
1.36
Nozzle designation
1.90
1.90
1.90
1.90
1.90
1.90
1.90
Air restrictor
7
mm
—
—
—
—
—
—
—
Number of burner tubes
6
7
8
9
10
11
12
Gas nozzles
Total number
6
7
8
9
10
11
12
Number covered up
3
4
4
5
5
6
6
Note
The values in the nozzle pressure table
apply to the following ambient condi-
tions:
■ Air pressure: 1013 mbar (101.3 kPa)
■ Temperature: 15 °C
Wobbe index see page 10.
Determining the flue gas values
Danger
CO build-up as a result of incor-
rect burner adjustment can have
serious health implications.
Carry out a CO test before and
after work on gas appliances.
Determine the flue gas values and
record them in the report.
Commissioning, inspection, maintenance
Further details regarding the individual steps
(cont.)
5692 704 GB