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DIVAtop HC
5.2 Water circuit
126
78
278
27
20
44
95
241
209
10
fig. 24 - Water circuit
7
Gas inlet
10
System delivery
11
System return
14
Safety valve
20
Burner assembly
27
Copper exchanger
32
Heating circulating pump
36
Automatic air vent
44
Gas valve
56
Expansion tank
74
System filling cock
78
Anti-backflow device
81
Ignition and detection electrode
95
Diverter valve
126
Fume thermostat
209
Hot water tank delivery
210
Hot water tank return
241
Automatic bypass
246
Pressure transducer
278
Double sensor (Safety + Heating)
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
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
56
81
246
36
14
32
74
210
7
11
Unit
DIVAtop HC 24
DIVAtop HC 32
kW
25.8
34.4
kW
8.3
11.5
kW
23.5
31.3
kW
7.0
9.7
no.x Ø
11 x 1.35
15 x 1.35
mbar
20
20
mbar
12.0
12.0
mbar
1.5
1.5
3
2.73
3.64
m
/h
3
0.88
1.22
m
/h
no.x Ø
11 x 0.79
15 x 0.79
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
-
-
3 (<150 mg/kWh)
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. 3540S840 - 02/2010 (Rev. 00)
Data
Protection rating
Power supply voltage
Electrical power input
DHW electrical absorption
(with optional hot water tank installed)
Empty weight
Type of unit
PIN CE
5.4 Diagrams
Pressure - power diagrams DIVAtop HC 24
A
LPG
B
NATURAL GAS
Circulating pump head / pressure losses DIVAtop HC 24
H [m H
O]
7
2
6
3
5
2
4
3
1
2
1
0
0
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
Pressure - power diagrams DIVAtop HC 32
(Q)
(Q)
(P)
A
LPG
(P)
B
NATURAL GAS
Circulating pump head / pressure losses DIVAtop HC 32
H [m H
O]
7
2
3
6
2
5
4
1
3
2
(NOx)
1
(PMS)
0
0
(tmax)
A
Boiler pressure losses
1 - 2 - 3
Circulating pump speed
Unit
DIVAtop HC 24
IP
X5D
V/Hz
230V/50Hz
W
110
W
110
kg
32
B
11BS
0461BR0843
A
500
1.000
1.500
500
1.000
1.500
EN
DIVAtop HC 32
X5D
230V/50Hz
90
90
30
B
A
Q [l/h]
2.000
A
B
A
Q [l/h]
2.000
35
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