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