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 (*)
(*) average value of various DHW operating conditions
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)
LPG liquid gas nominal pressure (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)
** The installation of this product is allowed only in the destination Countries contained in the data plate, regardless of the present transla-
tion language.
Ciao 24 C.A.I. e
kW
26,70
kcal/h
22.962
kW
23,92
kcal/h
20.574
kW
10,40
kcal/h
8.944
kW
8,88
kcal/h
7.638
kW
26,70
kcal/h
22.962
kW
23,92
20.574
kW
10,40
kcal/h
8.944
kW
8,88
kcal/h
7.638
%
89,6 - 85,4
%
89
%
90,3
W
85
II2H3+
-
V - Hz
230-50
IP
X5D
%
9,70
%
0,40
bar-°C
3-90
bar
0,25-0,45
°C
40/80
mbar
250
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
mbar
37
Ø
3/4"
Ø
1/2"
Ø
3/4"
mm
740
mm
400
mm
328
kg
28
Nm
h
46,550
3/
Nm
/h
49,227
3
gr/s
16,790-15,260
Ciao 28 C.A.I. e
Ciao 24 C.S.I. e
31,90
25,80
27,434
22.188
28,49
23,94
24.499
20.590
10,70
8,90
9.202
7.654
8,92
7,52
7.674
6.468
31,90
25,80
27.434
22.188
28,49
23,94
24.499
20.590
10,70
8,90
9.202
7.654
8,92
7,52
7.674
6.468
89,3 - 83,4
92,8 - 84,5
88,7
91,8
89,9
93
80
100
II2H3+
II2H3+
-
-
230-50
230-50
X5D
X5D
10,10
7,00
0,40
0,10
3-90
3-90
0,25-0,45
0,25-0,45
40/80
40/80
300
250
1.000
1.000
8
8
1
1
6
6
0,15
0,15
16,3
13,7
13,6
11,4
11,7
9,8
2
2
37/60
37/60
12
10
20
20
28-30
28-30
37
37
3/4"
3/4"
1/2"
1/2"
3/4"
3/4"
740
715
450
405
328
248
29
28
54,767
39,743
57,966
42,330
19,760-17,610
14,360-15,600
CIAO e
Ciao 28 C.S.I. e
30,20
25.972
28,24
24.284
12,70
10.922
10,95
9.415
30,20
25.972
28,24
24.284
10,50
9.030
9,05
7.784
93,5 - 86,2
92,8
93,7
125
II2H3+
-
230-50
X5D
6,30
0,10
3-90
0,25-0,45
40/80
300
1.000
8
1
6
0,15
16,2
13,5
11,6
2
37/60
12
20
28-30
37
3/4"
1/2"
3/4"
740
450
328
34
48,515
51,530
17,520-19,330
11