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GZ 2 - GZ 4 / 100 - 1450 kW
Installation-Operation-Maintenance
9
Gas-burner and gas ramps assembly GZ 2 - GZ 4
Burner-
type
Gas type
Burner
order
number
Suitable for boiler
performance
kW
Gas flow
pressure
mbar
Rated with
2)
DN
Order
number
Total weight
kg
GZ 2.1
Natural gas H (L,LL)
3)
Liquefied gas
-1001
-1008
100 - 200
28
26
GZ 2.2
Natural gas H (L,LL)
3)
Liquefied gas
-1002
-1018
180 - 300
28
26
GZ 3.0
Natural gas H (L,LL)
3)
Liquefied gas
-3085
2)
260 - 315
20
50
Rp 1¼“
1)
50
GZ 3.1
Natural gas H (L,LL)
3)
Liquefied gas
-3175
2)
315 - 500
25-50
50
Rp 1½“
-3044
67
GZ 3.2
Natural gas H (L,LL)
3)
Liquefied gas
-3275
2)
450 - 650
25-50
50
Rp 2“
-3054
73
GZ 3.3
Natural gas H (L,LL)
3)
Liquefied gas
-3305
2)
550 - 810
25-50
50
Rp 2“
-3054
74
GZ 4.1
Natural gas H (L,LL)
3)
Liquefied gas
-4105
-4108
700 - 1020
35-50
50
DN 65
-4065
173
GZ 4.2
Natural gas H (L,LL)
3)
Liquefied gas
-4205
-4208
900 -1450
25-50
50
DN 80
-4080
201
1)
included in burner order number
2)
It is vital for the stated basic settings (see page 8) to be met for liquid gas operation!
Table of basic settings and dimensions GZ 2 - GZ 4
Gas flow rate
Air pressure
Nozzle pressure
Burner-
type
Gas type
Suitable for boiler
performance
kW
Stage 1
m3 /h
Stage 2
m3 /h
Dim.
A
mm
Dim.
B
mm
Dim.
D
mm
Stage 1
mbar
Stage 2
mbar
Stage 1
mbar
Stage 2
mbar
Air
supply
nozzle
GZ 2.1 Natural gas H (L,LL)
3)
Liquefied gas
100 - 200
10
4
14
5,5
18
50
57
95
2
3
7
8
6
13
10
16
9,5
7,5
GZ 2.2 Natural gas H (L,LL)
3)
Liquefied gas
180 - 300
16
6
23
9
18 70
110 2,5
5
7
5
11
9
20
9,5
GZ 3.0 Natural gas H (L,LL)
3)
Liquefied gas
260 - 315
19
7,6
32
13,8
23
65
75 110
3,4
1,2
7,2
7
5,5
2,2
11,7
10
0
GZ 3.1 Natural gas H (L,LL)
3)
Liquefied gas
315 - 500
26
9,5
43,5
15
20
25
88
135
130
126
3,5
2
11,5
6
4,8
3,5
12
9
7,5
1,5
GZ 3.2 Natural gas H (L,LL)
3)
Liquefied gas
450 - 650
39
14
65
25
20
27
118
120 145
5,5
1,5
11,5
9
4,2
2,5
11
9,5
7,5
2,5
GZ 3.3 Natural gas H (L,LL)
3)
Liquefied gas
550 - 810
53
16
75
28
27 117
120 145
3,5
2
9
10
6
3
13
11,5
8
3,5
GZ 4.1 Natural gas H (L,LL)
3)
Liquefied gas
700 - 1020
58
24,8
91
33,1
33 125
130 175
9
13,5
17
18,5
6,5
12
14
16,5
2
1,5
GZ 4.2 Natural gas H (L,LL)
3)
Liquefied gas
900 -1450
85
27,9
125
46,5
33 130
141 175
10,5
7,5
17,5
17
5
9
11
2
1,5
3)
For operation with natural gas (L, LL), only the gas quantity is increased. The output-related basic setting does not have to be changed. Power reduc-
tion for natural gas (L) approx. 15%, for natural gas (LL) approx. 30%