Technical Data Table - Ferroli DIVA F24 Instructions D'utilisation, D'installation Et D'entretien

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
Max. Heat Output in hot water production
Min. Heat Output in hot water production
Efficiency Pmax (80-60°C)
Efficiency 30%
NOx emission class
Burner nozzles G20
Gas supply pressure G20
Max. gas pressure at burner G20 in hot water prod.
Max. gas pressure at burner G20 in heating
Min. gas pressure at burner G20
Max. gas delivery G20 in heating
Min. gas delivery G20
Burner nozzles G31
Gas supply pressure G31
Max. gas pressure at burner G31 in hot water prod.
Max. gas pressure at burner G31 in heating
Min gas pressure at the burner G31
Max. gas delivery G31 in heating
Min. gas delivery 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
Max. working pressure in hot water production
Min. working pressure in hot water production
DHW flowrate t 25°C
DHW flowrate t 30°C
Protection rating
Power supply voltage
Electrical power input
Empty weight
Type of unit
20
EN
Unit DIVA F24
kW 25.8
kW 8.3
kW 24.0
kW 7.2
kW 24.0
kW 7.2
% 93.0
% 90.5
- 3 (<150 mg/kWh) (NOx)
no. x Ø 11 x 1.35
mbar 20
mbar 12.0
mbar 12.0
mbar 1.5
3
2.73
nm /h
3
0.88
nm /h
no. x Ø 11 x 0.79
mbar 37
mbar 35.0
mbar 35.0
mbar 5.0
kg/h 2.00
kg/h 0.65
bar 3 (PMS)
bar 0.8
°C 90 (tmax)
litres 1.0
litres 8
bar 1
bar 9 (PMW)
bar 0.25
l/min 13.7
l/min 11.4
IP X5D
V/Hz 230V/50Hz
W 110
kg 32
C -C -C -C -C -C -C -C -
12 22 32 42 52 62 72 82
B
22
cod. 3541E054 - Rev. 00 - 07/2015
5.5 Diagrams
Pressure - flow diagrams
mbar
35
(Q)
(Q)
30
(P)
(P)
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 26 27
A = LPG - B = NATURAL GAS
Circulating pump head / pressure losses
7
6
3
5
2
4
3
1
2
1
(D)
0
0 500
A = Boiler pressure losses - 1, 2 and 3 = Circulating pump speed
DIVA F24
kW
1.000 1.500
Q [l/h]
A
2.000