TECHNICAL DATA
DESCRIPTION
Heating
Heat input
Maximum heat output (80/60°)
Minimum heat input
Minimum heat output (80°/60°)
DHW
Heat input
Maximum heat output
Minimum heat input
Minimum heat output
Useful efficiency (Pn max - Pn min)
Efficiency 30% (47° return)
Combustion performance
Electric power
Category
Country of destination
Power supply voltage
Degree of Protection
Pressure drops on flue with burner on
Pressure drops on flue with burner off
Heating operation
Pressure - maximum temperature
Minimum pressure for standard operation
Selection field of heating water temperature
Pump: maximum head available
for system capacity
Membrane expansion tank
Expansion tank pre-charge
DHW operation
Maximum pressure
Minimum pressure
Hot water quantity with ∆t 25°C
with ∆t 30°C
with ∆t 35°C
DHW minimum output
Selection field of DHW temperature
Flow regulator
Gas pressure
Methane gas nominal pressure (G20)
LPG liquid gas nominal pressure (G30/G31)
Hydraulic connections
Heating input - output
DHW input-output
Gas input
Boiler dimensions
Height
Width
Depth of housing
Boiler weight
Flow rate (G20)
Air capacity
Flue gas capacity
Mass flow of flue gas (max-min)
Flow rate (G30)
Air capacity
Flue gas capacity
Mass flow of flue gas (max-min)
Flow rate (G31)
Air capacity
Flue gas capacity
Mass flow of flue gas (max-min)
Fan performance
Residual head of concentric pipes 0.85m
Residual head of boiler without pipes and flange
(+) The installation of this product is allowed only in the destination Countries contained in the data plate, regardless of the present translation language.
QUADRA II 24 C.S.I.
kW
25,80
kcal/h
22.188
kW
23,94
kcal/h
20.590
kW
8,90
kcal/h
7.654
kW
7,61
kcal/h
6.544
kW
25,80
kcal/h
22.188
kW
23,94
kcal/h
20.590
kW
8,90
kcal/h
7.654
kW
7,61
kcal/h
6.544
%
92,8 - 85,5
%
90,9
%
93,0
W
116
II2H3+
(+)
V - Hz
230-50
IP
X5D
%
6,96
%
0,07
bar - °C
3 - 90
bar
0,25 - 0,45
°C
40/80
mbar
300
l/h
1.000
l
8
bar
1
bar
6
bar
0,15
l/min
13,7
l/min
11,4
l/min
9,8
l/min
2
°C
37/60
l/min
10
mbar
20
mbar
28-30/37
Ø
3/4"
Ø
1/2"
Ø
3/4"
mm
715
mm
405
mm
250
kg
29
Nm
h
39,613
3/
Nm
/h
42,204
3
gr/s
14,308 - 16,247
Nm
h
40,249
3/
Nm
/h
41,008
3
gr/s
13,985 - 16,429
Nm
h
40,454
3/
Nm
/h
41,455
3
gr/s
14,120 - 16,683
Pa
70
Pa
110
QUADRA II C.S.I.
QUADRA II 28 C.S.I.
30,50
26.230
28,37
24.394
12,70
10.922
11,00
9.458
30,50
26.230
28,37
24.394
10,50
9.030
9,09
7.820
93,0 - 86,6
91,9
92,5
128
II2H3+
(+)
230-50
X5D
7,50
0,07
3 - 90
0,25 - 0,45
40/80
340
1.000
8
1
6
0,15
16,3
13,6
11,6
2
37/60
12
20
28-30/37
3/4"
1/2"
3/4"
740
400
328
32
48,052
51,112
CH: 17,788 - 18,226
DHW: 17,788 - 15,069
47,071
49,312
CH: 17,474 - 18,399
DHW: 17,474 - 15,212
48,749
51,114
CH: 18,075 - 18,836
DHW: 18,075 - 15,573
20
35
11