7
Exclusive C.A.I.
24 C.A.I.
28 C.A.I.
CH/DHW nominal heating capacity (Hi)
kW
26,70
31,90
kcal/h
22.962
27.434
CH/DHW nominal heating power
kW
23,98
28,71
kcal/h
20.620
24.691
CH reduced heating capacity (Hi)
kW
10,70
14,00
kcal/h
9.202
12.040
CH reduced heating power
kW
9,14
11,93
kcal/h
7.859
10.258
DHW reduced heating capacity (Hi)
kW
8,30
8,70
kcal/h
7.138
7.482
DHW reduced heating power
kW
7,09
7,41
kcal/h
6.096
6.375
Working efficiency Pn max - Pn min
%
89,8-85,4
90,0-85,2
Working efficiency 30% (47 °C)
%
89,5
89,5
Combustion performance
%
91,1
91,2
Electric power
W
55
53
Circulator electric power (1.000 l/h)
W
39
39
Supply voltage
V - Hz
230-50
230-50
Country of destination (II2H3+)
(+)
(+)
Country of destination (I3B/P)
MT
MT
Protection level
IP
X5D
X5D
Chimney losses with burner on-off
%
8,90-0,30
8,83-0,27
CH operation
Maximum pressure - temperature
bar-°C
3-90
3-90
Minimum pressure for standard working/operating
bar
0,25-0,45
0,25-0,45
Selection field of CH water temperature
°C
40-80
40-80
Pump: maximum head available for system
mbar
227
227
capacity
l/h
1.000
1.000
Membrane expansion tank
l
8
8
Expansion vessel pre-charge (CH)
bar
1
1
DHW operation
Maximum pressure
bar
6
6
Minimum pressure
bar
0,15
0,15
Hot water quantity: ∆t 25° C
l/min
13,7
16,5
Hot water quantity: ∆t 30° C
l/min
11,5
13,7
Hot water quantity: ∆t 35° C
l/min
9,8
11,8
DHW minimum capacity
l/min
2
2
Selection field of DHW temperature
°C
35-60
35-60
Flow regulator
l/min
10
12
Gas pressure
Category (extra EC countries)
II2H3+
II2H3+
Natural gas pressure (G20)
mbar
20
20
LPG pressure (G30/G31)
mbar
28-30/37
28-30/37
Category (MT)
I3B/P
I3B/P
LPG pressure (G30/G31)
mbar
30
30
Hydraulic connections
CH input-output
Ø
3/4”
3/4”
DHW input-output
Ø
1/2”
1/2”
Gas input
Ø
3/4”
3/4”
Boiler dimensions and weight
Height
mm
740
740
Width
mm
400
450
Depth
mm
332
332
Weight
kg
28
30
Flow rates (G20)
Air capacity
Nm
3
/h
44,666
50,960
Fumes capacity
Nm
3
/h
47,345
54,160
Mass flow (max-min)
g/s
16,115-15,926
18,855-16,978
Flow rates (G30)
Air capacity
Nm
3
/h
43,235
48,088
Fumes capacity
Nm
3
/h
44,020
50,432
Mass flow (max-min)
g/s
15,033-14,182
17,868-15,833
Flow rates (G31)
Air capacity
Nm
3
/h
44,620
49,811
Fumes capacity
Nm
3
/h
45,655
52,285
Mass flow (max-min)
g/s
15,589-15,004
18,484-16,423
Fume exhaustion pipe
Diameter
mm
130
140
8 - TECHNICAL DATA