5.3 Technical data table
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%
Efficiency class Directive 92/42 EEC
NOx emission class
Burner nozzles G20
Gas supply pressure G20
Max. gas pressure at burner (G20)
Min. gas pressure at burner (G20)
Max. gas delivery G20
Min. gas delivery G20
Burner nozzles G31
Gas supply pressure G31
Max. gas pressure at burner (G31)
Min. gas pressure at burner (G31)
Max. gas delivery G31
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 content
DHW flowrate Dt 25°C
DHW flowrate Dt 30°C
Protection rating
Power supply voltage
Electrical power input
Electrical power input in hot water production
Empty weight
Type of unit
PIN CE
38
EN
Unit
DOMItech F 24 D
DOMItech F 32 D
kW
25.8
34.4
kW
8.3
11.5
kW
24.0
32.0
kW
7.2
9.9
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
20.0
20.0
12.0
12.0
1.5
1.5
3
2.73
3.64
m
/h
3
0.88
1.22
no.x
11 x 0.79
15 x 0.79
Ø
37
37
35.0
35.0
5.0
5.0
2.00
2.69
0.65
0.90
3
3
0.8
0.8
°C
90
90
litres
1.0
1.2
litres
7
10
1
1
9
9
bar
0.25
0.25
litres
0.3
0.5
l/min.
13.7
18.3
l/min.
11.4
15.2
IP
X5D
V/Hz
230V/50Hz
W
110
135
W
40
55
kg
32
38
C
-C
-C
-C
-C
-C
-C
-C
-B
-
12
22
32
42
52
62
72
82
22
B
32
cod. 3540Z940 - 06/2012 (Rev. 00)
DOMItech F 24 - 32 D
5.4 Diagrams
Pressure - power diagrams
(Q)
(Q)
(P)
(P)
(NOx)
fig. 22 - Pressure - power diagram (DOMItech F 24 D)
35
30
25
20
15
10
(PMS)
5
(tmax)
11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
fig. 23 - Pressure - power diagram (DOMItech F 32 D)
(PMW)
A = LPG - B = NATURAL GAS
Circulating pump head / pressure losses
7
6
3
5
2
4
3
1
2
1
0
0
500
fig. 24 - Circulating pump head / pressure losses (DOMItech F 24 D)
H [m H
O]
2
7
3
6
2
5
4
1
3
2
1
0
0
500
fig. 25 - Circulating pump head / pressure losses (DOMItech F 32 D)
A = Boiler pressure losses - 1, 2 and 3 = Circulating pump speed
A
B
A
B
kW
1.000
1.500
Q [l/h]
1.000
1.500
Q [l/h]
A
2.000
A
2.000