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5.3 Technical data table
Model
Number of elements
no.
Max. heating capacity
kW
Min. heating capacity
kW
Max. heat output in heating
kW
Min. heat output in heating
kW
Efficiency Pmax (80-60°C)
Efficiency 30%
Efficiency class Directive 92/42 EEC
NOx emission class
Burner nozzles G20
no.x Ø 6 x 2.80
Gas supply pressure G20
mbar
Max. gas pressure at burner G20
mbar
Min. gas pressure at burner G20
mbar
Max. gas delivery G20
3
m
Min. gas delivery G20
3
m
Burner nozzles G31
no.x Ø 6 x 1.75
Gas supply pressure G31
mbar
Max. gas pressure at burner G31
mbar
Min. gas pressure at burner G31
mbar
Max. gas delivery G31
kg/h
Min. gas delivery G31
kg/h
Max. working pressure in heating
bar
Min. working pressure in heating
bar
Max. heating temperature
°C
Heating water content
Protection rating
IP
Power supply voltage
V/Hz 230/50
Electrical power input
W
Empty weight
5.4 Diagrams
Pressure loss
A
1,5
1,35
1,2
1,05
0,9
0,75
0,6
0,45
0,3
0,15
0
0,5
1
1,5
2
Key
A
Pressure losses m H
2
3
B
Delivery m
/h
16
EN
67 2S
77 2S
87 2S
97 2S
7
8
9
10
73.3
84.2
95.2
106.0
31.0
35.7
40.3
45.0
67.0
77.0
87.0
97.0
27.3
31.4
35.5
39.6
%
91.4
91.5
91.4
91.5
%
91.3
91.4
91.2
90.5
2
7 x 2.80
8 x 2.80
9 x 2.80
20
20
20
20
13
13
13
13
2.5
2.5
2.5
2.5
7.76
8.91
10.07
11.22
/h
3.28
3.78
4.26
4.76
/h
7 x 1.75
8 x 1.75
9 x 1.75
37
37
37
37
35
35
35
35
6
6
6
6
5.74
6.59
7.45
8.30
2.43
2.80
3.16
3.52
6
6
6
6
0.3
0.3
0.3
0.3
95
95
95
95
L
19.1
21.6
24.1
26.6
X0D
X0D
X0D
X0D
230/50
230/50
230/50
30
30
30
30
275
304
333
362
2,5
3
3,5
4
4,5
B
O column
cod. 3541B940 - 03/2012 (Rev. 01)
SEVEN 67 ÷ 107 2S
5.5 Wiring diagrams
Connection wiring diagram
107 2S
11
117.0
(Q)
49.0
(Q)
107.0
(P)
43.0
(P)
91.5
90.5
10 x 2.80
20
13
2.5
12.38
5.19
10 x 1.75
37
35
6
9.16
3.84
6
(PMS)
0.3
Main wiring diagram
95
(tmax)
29.1
X0D
230/50
30
390
5
5,5
Connections in broken lines to be carried out by the installer
A
Key
24 -
Ignition electrode
32 -
Heating circulating pump (not supplied)
44a -
Gas valve
nd
44b -
2
Gas valve (only models 97 2S and 107 2S)
49 -
Safety thermostat
72 -
Room thermostat (not supplied)
82 -
Detection electrode
83 -
Electronic controller
92 -
Fume thermostat
98 -
Switch
129 -
Reset button with indicator lamp
159 -
Test button
160 -
Auxiliary contact
167a -
Gas valve 2nd stage operator
167b -
2nd Gas valve 2nd stage operator (only models 97 2S and 107 2S)
170 -
1st stage control thermostat
171 -
2nd stage control thermostat
242 -
Connector for thermostatic controller
fig. 13 - Electrical connection diagram
fig. 14 - Main wiring diagram
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