SI S
12
EN
cod. 3541A750 - 05/2011 (Rev. 00)
5. TECHNICAL DATA AND CHARACTERISTICS
Table. 7 - Key of figures cap. 5
5.1 General view and main components
fig. 13 - General view
5.2 Plumbing diagrams
fig. 14 - Water circuit
5.3 Technical data table
5
Sealed chamber
28
Fume manifold
7
Gas inlet
29
Fume outlet manifold
8
Domestic hot water outlet
38
Flowswitch
9
Cold water inlet
44
Gas valve
16
Fan
73
Antifreeze thermostat (not supplied)
19
Combustion chamber
81
Ignition and detection electrode
20
Burner assembly
187
Fume baffle
21
Main nozzle
288
Antifreeze kit (optional) code 013009X0
22
Burner
R1 - R2 - R3 - R4
Electric heaters
27
Copper exchanger
344
Double sensor ( Heating)
44
81
19
27
16
5
28
344
20
21
22
29
38
187
9
7
8
Data
Unit
SI 11 S
SI 14 S
SI 17 S
Max. heating capacity
kW
21.7
26.9
32.9
(Q)
Min. heating capacity
kW
8.3
10.3
12.6
(Q)
Max. heat output
kW
19.2
23.9
29.2
Min. heat output
kW
7.1
8.8
10.7
Pmax efficiency
%
88.5
88.7
88.9
Burner nozzles G20
no.x Ø
10 x 1.25
12 x 1.25
14 x 1.25
Gas supply pressure G20
mbar
20.0
20.0
20.0
Max. gas pressure at burner
mbar
13.0
14.0
15.0
Min. gas pressure at burner
mbar
2.0
2.0
2.0
Max. gas delivery G20
m
3
/h
2.30
2.85
3.48
Min. gas delivery G20
m
3
/h
0.88
1.10
1.33
Burner nozzles G31
no.x Ø
10 x 0.77
12 x 0.77
14 x 0.77
Gas supply pressure G31
mbar
37
37
37
Max. gas pressure at burner
mbar
35.0
35.0
35.0
Min. gas pressure at burner
mbar
5.0
5.0
5.0
Max. gas delivery G31
kg/h
1.70
2.11
2.58
Min. gas delivery G31
kg/h
0.65
0.80
0.99
Max. working pressure
bar
10
10
10
(PMS)
Min. working pressure
bar
0.20
0.20
0.20
DHW flowrate
'
t 25°C
l/min
11.0
13.7
16.8
DHW flowrate
'
t 50°C
l/min
5.5
6.9
8.4
(D)
Protection rating
IP
X5D
X5D
X5D
Power supply voltage
V/Hz
230V
230V
230V
Electrical power input
W
40
40
55
Empty weight
kg
13
14
17
Type of unit
C
12
-C
22
-C
32
-C
42
-C
52
-C
62
-C
72
-C
82
-B
22
PIN CE
0461CL0983
8
9
38
344