Technical Data Table - Ferroli DIVA HF Instructions D'utilisation

5.4 Technical data table

The column on the right gives the abbreviation used on the data plate.
Data
Max. heating capacity
Min. heating capacity
Max. Heat Output in heating
Min. Heat Output in heating
Efficiency Pmax (80-60°C)
Efficiency 30%
NOx emission class
Burner nozzles G20
Gas feed pressure G20
Max gas pressure at burner G20
Min. gas pressure at burner G20
Max. gas flow G20 in heating
Min. gas flow G20
Burner nozzles G31
Gas feed pressure G31
Max. gas pressure at burner G31
Min. gas pressure at burner G31
Max. gas flow G31 in heating
Min. gas flow G31
Max. working pressure in heating
Min. working pressure in heating
Max. heating temperature
Heating water content
Heating expansion tank capacity
Heating expansion tank prefilling pressure
Protection rating
Power supply voltage
Electrical power input
Empty weight
Type of unit
22
EN
Unit DIVA HF24 DIVA HF32
kW 25.8 34.4
kW 8.3 11.5
kW 24.0 32.0
kW 7.2 9.9
% 93.0 93.1
% 90.5 91.0
- 3 (<150 mg/kWh)
no. x
11 x 1.35 15 x 1.35
Ø
mbar 20 20
mbar 12.0 12.0
mbar 1.5 1.5
3
2.73 3.64
nm /h
3
0.88 1.22
nm /h
no. x
11 x 0.79 15 x 0.79
Ø
mbar 37 37
mbar 35.0 35.0
mbar 5.0 5.0
kg/h 2.00 2.69
kg/h 0.65 0.90
bar 3 3
bar 0.8 0.8
°C 90 90
litres 1.0 1.2
litres 8 10
bar 1 1
IP X5D X5D
V/Hz 230V/50Hz 230V/50Hz
W 110 135
kg 31 34
C
-C -C -C -C -C -C -C -B
12 22 32 42 52 62 72 82 22
cod. 3541E613 - Rev. 00 - 02/2016
5.5 Diagrams
Pressure - flow diagrams DIVA HF24
mbar
35
(Q)
(Q)
30
(P)
(P)
25
20
(NOx)
15
10
A
5
B
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
A = LPG - B = NATURAL GAS
Circulating pump head / pressure losses (DIVA HF24)
7
6
(PMS)
3
5
2
(tmax)
4
3
1
2
1
0
0
A = Boiler pressure losses - 1, 2 and 3 = Circulating pump speed
Pressure - flow diagrams DIVA HF32
mbar
35
30
25
20
15
10
A
5
B
8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
A = LPG - B = NATURAL GAS
Circulating pump head / pressure losses (DIVA HF32)
H [m H O]
2
7
3
6
2
5
4
1
3
2
1
0
0 500
A = Boiler pressure losses - 1, 2 and 3 = Circulating pump speed
DIVA HF
kW
500 1.000 1.500
Q [l/h]
26 27 28 29 30 31 32 33 34 35
kW
1.000 1.500
Q [l/h]
A
2.000
A
2.000