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5.2 Water circuit
29
5
16
278
27
20
130
44
194
95
241
10
8
7
9
fig. 31 - Water circuit
5.3 Technical data table
The column on the right gives the abbreviation used on the dataplate.
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
Burner nozzles G20
Gas supply pressure G20
Max. pressure downstream of gas valve (G20)
Min. pressure downstream of gas valve (G20)
Max. gas delivery G20
Min. gas delivery G20
Burner nozzles G31
Gas supply pressure G31
Max. pressure downstream of gas valve (G31)
Min. pressure downstream of gas valve (G31)
Max. gas delivery G31
Min. gas delivery G31
Efficiency class Directive 92/42 EEC
NOx emission class
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
42
EN
297
81
56
246
36
32
14
11
DIVAtop ST
DIVAtop ST
24 F
32 F
Unit
Value
Value
kW
25.8
34.4
kW
8.3
11.5
kW
24.0
32.0
kW
7.6
10.5
kW
24.0
32.0
kW
7.6
10.6
no. x Ø
11 x 1.35
15 x 1.35
mbar
20
20
mbar
12.0
12.0
mbar
1.5
1.5
nm
/h
2.73
3.64
3
nm
/h
0.88
1.22
3
no. x Ø
11 x 0.79
15 x 0.79
mbar
37.0
37
mbar
35.0
35.0
mbar
5.0
5.0
kg/h
2.00
2.69
kg/h
0.65
0.90
-
-
3 (<150 mg/kWh)
bar
3
3
bar
0.8
0.8
°C
90
90
litres
1.0
1.2
litres
8
10
bar
1
1
cod. 354
Data
Max. working pressure in hot water production
Min. working pressure in hot water production
Hot water content
Expansion tank capacity. DHW.
Expansion tank pre-filling pressure. DHW.
DHW flowrate t 30°C
DHW flowrate t 30°C
Protection rating
Power supply voltage
Electrical power input
Electrical power input in hot water production
Empty weight
Type of unit
PIN CE
243
5.4 Diagrams
195
97
40
74
DIVAtop ST 24 F - A = LPG, B = NATURAL GAS
B
DIVAtop ST 32 F - C = LPG, D = NATURAL GAS
H [m H
O]
2
7
6
3
5
2
4
3
1
2
(Q)
(Q)
1
(P)
0
(P)
0
500
fig. 33 - Circulating pump head / pressure losses DIVAtop ST 24 F
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
H [m H
O]
7
2
3
6
2
5
4
1
3
2
1
0
0
(NOx)
fig. 34 - Circulating pump head / pressure losses DIVAtop ST 32 F
(PMS)
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
(tmax)
- Rev. 00 - 09/2013
DIVAtop ST F
DIVAtop ST
24 F
Unit
Value
bar
9
bar
0,25
litres
25
litres
2
bar
3
l/10min
145
l/h
700
IP
X5D
V/Hz
230V/50Hz
W
110
W
110
kg
49
C12-C22-C32-C42-C52-C62-
C72-C82-B22
0461BR0844
A
B
fig. 32 - Pressure/power diagram
1.000
Q [l/h]
500
1.000
1.500
DIVAtop ST
32 F
Value
9
(PMW)
0.25
25
2
3
180
930
(D)
X5D
230V/50Hz
135
135
52
C
D
A
1.500
2.000
A
5
4
Q [l/h]
2.000
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