10 - TECHNICAL DATA
CH
Heat input
Maximum heat output (80/60°C)
Maximum heat output (50/30°C)
Minimum heat input (G20/G31)
Minimum heat output (80/60°C) (G20/G31)
Minimum heat output (50/30°C) (G20/G31)
Nominal Range Rated heat output (Qn)
Minimum Range Rated heat output (Qm)
(G20/G31)
DHW*
Heat input
Maximum heat output (**)
Minimum heat input (G20/G31)
Minimum heat output (**) (G20/G31)
Working efficiency Pn max/Pn min (80-60°)
Working efficiency 30% (47° return)
Combustion efficiency
Working efficiency Pn max/Pn min (50-30°)
Working efficiency 30% (30° return)
Working P media Range Rated (80°/60°)
Electric power
Circulator electric power (1.000 l/h)
Category
Country of destination
Supply voltage
Protection level
Chimney losses with burner off-on
CH operation
Maximum pressure
Minimum pressure for standard working/
operating
Maximum temperature
Selection field of CH water temperature
Pump:
maximum head available
for system capacity
Membrane expansion tank
Expansion vessel pre-charge (CH)
DHW operation*
Maximum pressure
Minimum pressure
Hot water quantity ∆t 25° C
∆t 30° C
∆t 35° C
DHW minimum capacity
Selection field of DHW temperature
Flow regulator
Gas pressure
Natural gas pressure (G20)
LPG pressure (G31)
Hydraulic connections
CH input-output
DHW input-output (C.S.I.)
Water tank delivery-return (R.S.I.)
Gas input
Boiler dimensions and weight
Height
Width
Depth
Weight
Flow rates (G20)
Air capacity
Fumes capacity
Mass flow (max-min)
25 C.S.I.
kW
20,00
kcal/h
17.200
kW
19,62
kcal/h
16.873
kW
21,44
kcal/h
18.438
kW
2,80/4,00
kcal/h
2.408/3.440
2.752/3.870
kW
2,76/3,95
kcal/h
2.377/3.399
2.722/3.824
kW
3,00/4,20
kcal/h
2.577/3.609
2.961/4.075
kW
20,00
kcal/h
17.200
kW
6,00/6,00
kcal/h
5.160/5.160
5.160/5.160
kW
25,00
kcal/h
21.500
kW
25,00
kcal/h
21.500
kW
2,80/4,00
kcal/h
2.408/3.440
2.752/3.870
kW
2,80/4,00
kcal/h
2.408/3.440
2.752/3.870
%
98,1/98,7
%
102,4
%
98,3
%
107,2/107,0
106,8/107,6
%
109,6
%
98,4
CH: 81
W
DHW: 93
W
51
II2H3P
(+)
V - Hz
230 - 50
IP
X5D
%
0,05 - 1,68
bar
3
bar
0,25 ÷ 0,45
0,25 ÷ 0,45
°C
90
°C
20 - 80
mbar
334
l/h
1.000
l
9
bar
1
bar
6
bar
0,2
l/min
14,3
l/min
11,9
l/min
10,2
l/min
2
°C
35 - 60
l/min
10
mbar
20
mbar
37
Ø
3/4"
Ø
1/2"
Ø
-
Ø
3/4"
mm
845
mm
400
mm
358
kg
41
CH
DHW
CH
Nm
/h 24,298
30,372
30,372
3
Nm
/h 26,304
32,880
32,880
3
9,086-
11,357-
11,357-
g/s
1,272
1,272
1,454
30 C.S.I.
35 C.S.I.
25,00
30,00
21.500
25.800
24,58
29,25
21.135
25.155
26,70
31,77
22.962
27.322
3,20/4,50
3,60/5,00
3.096/4.300
3,16/4,45
3,50/4,87
3.009/4.184
3,44/4,74
3,80/5,29
3.269/4.545
25,00
30,00
21.500
25.800
6,00/6,00
3,60/5,00
3.096/4.300
30,00
34,60
25.800
29.756
30,00
34,60
25.800
29.756
3,20/4,50
3,60/5,00
3.096/4.300
3,20/4,50
3,60/5,00
3.096/4.300
98,3/98,9
97,5/97,2
103,3
102,8
98,6
97,6
105,9/105,6
109,6
109,2
98,3
97,8
CH: 97
CH: 99
DHW: 108
DHW: 115
51
51
II2H3P
II2H3P
(+)
(+)
230 - 50
230 - 50
X5D
X5D
0,05 - 1,45
0,05 - 2,42
3
3
0,25 ÷ 0,45
90
90
20 - 80
20 - 80
334
334
1.000
1.000
10
10
1
1
6
6
0,2
0,2
17,2
19,8
14,3
16,5
12,3
14,2
2
2
35 - 60
35 - 60
13
14
20
20
37
37
3/4"
3/4"
1/2"
1/2"
-
-
3/4"
3/4"
845
845
453
453
358
385
42
43
DHW
CH
DHW
36,447
36,447
42,035
39,456
39,456
45,506
13,629-
13,629-
15,718-
1,454
1,635
1,635
ENGLISH
25 R.S.I.
35 R.S.I.
20,00
30,00
17.200
25.800
19,62
29,25
16.873
25.155
21,44
31,77
18.438
27.322
2,80/4,00
3,60/5,00
2.408/3.440
3.096/4.300
2,76/3,95
3,50/4,87
2.377/3.399
3.009/4.184
3,00/4,20
3,80/5,29
2.577/3.609
3.269/4.545
20,00
30,00
17.200
25.800
6,00/6,00
3,60/5,00
5.160/5.160
3.096/4.300
25,00
34,60
21.500
29.756
25,00
34,60
21.500
29.756
2,80/4,00
3,60/5,00
2.408/3.440
3.096/4.300
2,80/4,00
3,60/5,00
2.408/3.440
3.096/4.300
98,1/98,7
97,5/97,2
102,4
102,8
98,3
97,6
107,2/107,0
105,9/105,6
109,6
109,2
98,4
97,8
CH: 81
CH: 99
DHW: 93
DHW: 115
51
51
II2H3P
II2H3P
(+)
(+)
230 - 50
230 - 50
X5D
X5D
0,05 - 1,68
0,05 - 2,42
3
3
0,25 ÷ 0,45
0,25 ÷ 0,45
90
90
20 - 80
20 - 80
334
334
1.000
1.000
9
10
1
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
20
20
37
37
3/4"
3/4"
-
-
3/4"
3/4"
3/4"
3/4"
845
845
400
453
358
385
38
41
CH
DHW
CH
DHW
24,298
30,372
36,447
42,035
26,304
32,880
39,456
45,506
9,086-
11,357-
13,629-
15,718-
1,272
1,272
1,635
1,635
11