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5
Fig. 2
2. Dimensions and technical data
2.01 Dimensions and technical data (fig. 2 - tab. 1)
Key
a1 Flow 11/2"
a2 Return 11/2"
a3 Boiler drain 11/2"
N.B.: - Max. water temperature for the heating system is 90
°
C. - Min. water temperature for the heating
system is 45
°
C.
a1
64
1/2''
85
1 1/2''
a 3
400
2
3
850
1
4
5
542
1 1/2''
Ø
A
80
274
a2
71
1
B
Water
load losses
Model
Heat and
D.H.W.
(gross)
gas
Max.
28,6
43
57,3
71,6
86,1
100,4
114,7
Heat and
D.H.W.
output
Max.
23,3
34,9
46,5
58,1
69,8
81,4
93,0
Heat and
D.H.W.
(net)
gas+oil
Max.
25,8
38,7
51,6
64,5
77,5
90,4
103,3
Heat and
D.H.W.
(gross)
gas
Min.
18,2
18,2
39,3
49,1
59,1
68,8
78,6
Heat and
D.H.W.
(net)
gas+oil
Min.
16,4
16,4
35,4
44,2
53,2
62,0
70,8
Heat and
D.H.W.
output
Min.
15,0
15,0
32,5
40,5
48,8
57,0
65,0
N
°
element
2
3
4
5
6
7
8
Water
capacity
dm
3
11
14
17
20
23
26
29
Combustion
chamber
lenght
mm
286
386
486
586
686
786
886
Combustion
chamber
dimension
Ømm
260x310
260x310
260x310
260x310
260x310
260x310
260x310
Model
GN1 02
GN1 03
GN1 04
GN1 05
GN1 06
GN1 07
GN1 08
GN1 02
GN1 03
GN1 04
GN1 05
GN1 06
GN1 07
GN1 08
Working
pressure
bar
4
4
4
4
4
4
4
A
300
400
500
600
700
800
900
B
105
105
105
105
125
125
125
Ø
130
130
130
180
180
180
180
Combustion
chamber
load loss
∆
p mbar
0,2
0,2
0,2
0,2
0,2
0,2
0,2
Combustion
chamber
volume
dm
3
12,09
20,15
28,21
36,27
52,39
60,45
68,51
∆
t 10
1
1,8
4,2
7,2
11
15
20
∆
t20
-
-
1
1,6
2,3
3,3
4,5
Weight
of unit
kg.
75
100
125
150
175
200
225