35
ENGLISH
TECHNICAL DATA
DESCRIPTION
UM
EXCLUSIVE
25C
30C
35C
42C
G20
G31
G20
G31
G20
G31
G20
G31
Heating
Rated heat input
kW
18,00
24,00
32,00
35,00
kcal/h
15.480
20.640
27.520
30.100
Nominal heat output (80°/60°)
kW
17,60
23,54
31,39
34,30
kcal/h
15.139
20.248
26.997
29.498
Nominal heat output (50°/30°)
kW
19,17
25,56
34,08
37,21
kcal/h
16.486
21.982
29.309
31.996
Reduced heat input
kW
3,70
5,20
4,30
6,00
5,10
7,20
6,00
8,40
kcal/h 3.182
4.472
3.698
5.160
4.386 6.192
5.160
7.224
Reduced heat output (80°/60°)
kW
3,61
5,03
4,19
5,86
4,99
6,92
5,87
8,11
kcal/h 3.102
4.324
3.606
5.036
4.290 5.951
5.046
6.978
Reduced heat output (50°/30°)
kW
3,99
5,50
4,58
6,40
5,28
7,43
6,32
8,69
kcal/h 3.430
4.731
3.935
5.506
4.540 6.390
5.439
7.470
Nominal Range Rated heat output (Qn)
kW
18,00
24,00
32,00
35,00
kcal/h
15.480
20.640
27.520
30.100
Minimum Range Rated heat output (Qm)
kW
6,70
5,20
4,30
6,00
5,10
7,20
6,00
8,40
kcal/h 5.762
4.472
3.698
5.160
4.386 6.192
5.160
7.224
DHW
Rated heat input
kW
26,00
30,00
34,60
42,00
kcal/h
22.360
25.800
29.756
36.120
Nominal heat output (*)
kW
26,00
30,00
34,60
42,00
kcal/h
22.360
25.800
29.756
36.120
Reduced heat input
kW
3,70
5,20
4,30
6,00
5,10
7,20
6,00
8,40
kcal/h 3.182
4.472
3.698
5.160
4.386 6.192
5.160
7.224
Reduced heat output (*)
kW
3,70
5,20
4,30
6,00
5,10
7,20
6,00
8,40
kcal/h 3.182
4.472
3.698
5.160
4.386 6.192
5.160
7.224
Useful efficiency Pn max - Pn min (80°/60°)
%
97,8 - 97,5
98,1 - 97,5
98,1 - 97,8
98,0 - 97,8
Combustion efficiency
%
98,0
98,2
98,3
98,2
Useful efficiency Pn max - Pn min (50°/30°)
%
106,5 - 107,8
106,5 - 106,4
106,5 - 103,5
106,3 - 105,4
Useful efficiency Pn max 30% (30° return)
%
109,8
109,7
109,4
109,3
Efficiency at average P Range Rated (80°/60°)
%
98,0
98,1
98,0
98,0
Efficiency at average P Range Rated 30% (30° return
%
109,8
109,8
109,5
109,4
Overall electric output (maximum heating output)
W
66
77
95
87
Overall electric output (maximum DHW output)
W
98
101
115
122
Circulator electric power (1.000 l/h) (DHW - CH)
W
51 - 41
51 - 41
51 - 41
51 - 41
Category
●
Country of destination
II2H3P
●
(+)
II2H3P
●
(+)
II2H3P
●
(+)
II2H3P
●
(+)
Voltage supply
V-Hz
230-50
230-50
230-50
230-50
Protection level
IP
X5D
X5D
X5D
X5D
Stop loss
W
42
42
46
42
Losses at the flue with burner off - burner on
%
0,14 - 2,01
0,11 - 1,80
0,09 - 1,67
0,07 - 1,80
Heating operation
Pressure
bar
3
3
3
3
Minimum pressure for standard operation
bar
0,25-0,45
0,25-0,45
0,25-0,45
0,25-0,45
Maximum temperature
°C
90
90
90
90
Selection field of heating water temperature
°C
20/45 ÷ 40/80
20/45 ÷ 40/80
20/45 ÷ 40/80
20/45 ÷ 40/80
Pump: maximum head available
mbar
326
326
326
326
for system capacity
l/h
1.000
1.000
1.000
1.000
Membrane expansion tank
l
8
8
9
9
Expansion tank pre-loading (heating)
bar
1
1
1
1
DHW operation
Maximum pressure
bar
6
6
6
6
Minimum pressure
bar
0,15
0,15
0,15
0,15
Quantity of hot water with Δt 25° C
l/min
14,9
17,2
19,8
24,1
with Δt 30° C
l/min
12,4
14,3
16,5
20,1
with Δt 35° C
l/min
10,6
12,3
14,2
17,2
DHW minimum capacity
l/min
2
2
2
2
Selection field of domestic H2O temperature
°C
37-60
37-60
37-60
37-60
Flow regulator
l/min
10
12
14
16
G20
G31
G20
G31
G20
G31
G20
G31
Gas pressure
Nominal methane gas pressure (G20) mbar
mbar
20
-
20
-
20
-
20
-
Nominal liquid gas LPG pressure (G31)
mbar
-
37
-
37
-
37
-
37
