2
4
/3
2
0
3
.0
6
.2
0
, Su
b
je
c
t t
o
a
lte
ra
tio
n
s
Ad
ju
s
tm
e
n
t t
a
b
le
s
MG20/2-ZM-L-LN
MG20/2-ZM-L-LN
Natural gas LL
Hi,n = 9.3
[
kWh/m
3
]
Natural gas E
H
i,n
= 10.4 [kWh/m
3
]
LPG
H
i,n
= 25.89 [kWh/m
3
]
Burner output
[kW]
Boiler output
η
= 93%
[kW]
Air flap
position
[ ° ]
Mixer head
position
[mm]
Gas nozzle pres-
sure
[mbar]
Gas flow rate
[m
3
/h]
Gas nozzle pres-
sure
[mbar]
Gas flow rate
[m
3
/h]
Gas nozzle pres-
sure
[mbar]
Gas flow rate
[m
3
/h]
Stage
2
Stage 1
2nd
stage
P 9
1st stage
P 1
Stage
2
Stage 1
Stage
2
Stage 1
Stage
2
Stage 1
Stage
2
Stage 1
Stage
2
Stage 1
Stage
2
Stage 1
440
220
405
22
9
22
4.9
1.3
48.8
24.6
3.8
1.0
43.6
22.0
4.3
1.6
17.0
8.5
600
300
552
30
13
22
6.9
2.5
66.5
33.3
5.4
2.0
59.5
29.7
7.5
2.4
23.2
11.6
800
400
736
40
20
22
12.8
4.2
88.7
44.3
10.0
3.3
79.3
39.7
12.8
3.7
30.9
15.4
1000
500
920
90
25
22
19.6
5.2
110.9
55.4
15.3
4.1
99.1
49.6
19.5
5.4
38.6
19.3
500
250
460
25
9
10
5.0
1.2
55.4
27.5
3.9
0.9
49.6
24.6
4.5
1.5
19.3
9.7
660
330
607
32
17
10
7.0
3.0
73.2
36.6
5.5
2.3
65.4
32.7
7.4
2.2
25.5
12.7
860
430
791
41
22
10
13.0
4.2
95.3
47.7
10.2
3.3
85.2
42.6
12.3
3.4
33.2
16.6
1080
540
994
90
27
10
20.3
5.3
119.7
59.9
15.9
4.1
107.1
53.5
19.2
5.1
41.7
20.9
600
300
552
21
10
0
5.1
1.4
66.5
33.3
4.0
1.1
59.5
29.7
4.9
1.5
23.2
11.6
800
400
736
26
14
0
8.6
2.4
88.7
44.3
6.7
1.9
79.3
39.7
8.6
2.4
30.9
15.4
1100
550
1012
43
19
0
16.0
4.9
121.9
61.0
12.5
3.8
109.0
54.5
16.2
4.2
42.5
21.2
1350
680
1242
90
24
0
24.6
6.3
149.7
75.4
19.2
4.9
133.8
67.4
24.5
6.2
52.1
26.1
