DOMINA F24 N / F28 N / F32 N
23
EN
cod. 3541E094 - Rev. 00 - 06/2014
5.3 Hydraulic diagrams
fig. 24 - Heating circuit
fig. 25 - DHW circuit
5.4 Technical data table
The column on the right gives the abbreviation used on the data plate.
11
9
10
8
340
34
38
42
27
32
114
36
14
56
74
49
11
9
10
8
340
34
38
42
27
32
114
36
14
56
74
49
Data
Unit
DOMINA F 24
N
DOMINA F28
N
DOMINA F32
N
Max. heating capacity
kW
25.8
30.0
34.4
(Q)
Min. heating capacity
kW
8.3
11.5
11.5
(Q)
Max. heating capacity in hot water production
kW
25.8
34.4
34.4
(Q)
Min. heating capacity in hot water production
kW
8.3
11.5
11.5
(Q)
Max. Heat Output in heating
kW
24.0
28.0
32.0
(P)
Min. Heat Output in heating
kW
7.2
9.9
9.9
(P)
Max. Heat Output in hot water production
kW
24.0
32.0
32.0
Min. Heat Output in hot water production
kW
7.2
9.9
9.9
Efficiency Pmax (80-60°C)
%
93.0
93.1
93.1
Efficiency 30%
%
90.5
91.0
91.0
NOx emission class
-
3 (<150 mg/kWh)
(NOx)
Burner nozzles G20
no. x Ø
11 x 1.35
15 x 1.35
15 x 1.35
Gas supply pressure G20
mbar
20
20
20
Max. gas pressure at burner G20 in hot water prod.
mbar
12.0
12.0
12.0
Max. gas pressure at burner G20 in heating
mbar
12.0
9.2
12.0
Min. gas pressure at burner G20
mbar
1.5
1.5
1.5
Max. gas delivery G20 in heating
nm
3
/h
2.73
3.17
3.64
Min. gas delivery G20
nm
3
/h
0.88
1.22
1.22
Burner nozzles G31
no. x Ø
11 x 0.79
15 x 0.79
15 x 0.79
Gas supply pressure G31
mbar
37
37.0
37.0
Max. gas pressure at burner G31 in hot water prod.
mbar
35.0
35.0
35.0
Max. gas pressure at burner G31 in heating
mbar
35.0
27.0
35.0
Min gas pressure at the burner G31
mbar
5.0
5.0
5.0
Max. gas delivery G31 in heating
kg/h
2.00
2.35
2.69
Min. gas delivery G31
kg/h
0.65
0.90
0.90
Max. working pressure in heating
bar
3
3
3
(PMS)
Min. working pressure in heating
bar
0.8
0.8
0.8
Max. heating temperature
°C
90
90
90
(tmax)
Heating water content
litres
1.0
1.2
1.2
Heating expansion tank capacity
litres
7
10
10
Heating expansion tank prefilling pressure
bar
1
1
1
Max. working pressure in hot water production
bar
9
9
9
(PMW)
Min. working pressure in hot water production
bar
0.25
0.25
0.25
DHW flowrate Dt 25°C
l/min
13.7
18.3
18.3
DHW flowrate Dt 30°C
l/min
11.4
15.2
15.2
(D)
Protection rating
IP
X5D
X5D
X5D
Power supply voltage
V/Hz 230V/50Hz
230V/50Hz
230V/50Hz
Electrical power input
W
110
135
135
Empty weight
kg
30
35
35
Type of unit
C
12
-C
22
-C
32
-C
42
-C
52
-C
62
-C
72
-C
82
-B
22
Содержание DOMINA F24 N
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