29
ENGLISH
10 TECHNICAL DATA
DESCRIPTION
UM
MYNUTE X R
20
30
40
G20
G31
G20
G31
G20
G31
Heating
Rated heat input
kW
20,00
30,00
30,00
kcal/h
17.200
25.800
25.800
Nominal heat output (80°/60°)
kW
19,48
29,22
29,22
kcal/h
16.753
25.129
25.129
Nominal heat output (50°/30°)
kW
21,24
32,07
32,07
kcal/h
18.266
27.580
27.580
Reduced heat input
kW
3,60
5,00
4,90
7,00
4,90
7,00
kcal/h
3.096
4.300
4.214
6.020
4.214
6.020
Reduced heat output (80°/60°)
kW
3,50
4,86
4,77
6,83
4,77
6,83
kcal/h
3.006
4.180
4.104
5.870
4.104
5.870
Reduced heat output (50°/30°)
kW
3,81
5,30
5,13
7,34
5,13
7,34
kcal/h
3.276
4.558
4.412
6.315
4.412
6.315
Nominal Range Rated heat output (Qn)
kW
20,00
30,00
30,00
kcal/h
17.200
25.800
25.800
Minimum Range Rated heat output (Qm)
kW
3,60
5,00
4,90
7,00
4,90
7,00
kcal/h
3.096
4.300
4.214
6.020
4.214
6.020
DHW
Rated heat input
kW
20,00
34,60
40,00
kcal/h
17.200
29.756
34.400
Nominal heat output (*)
kW
20,00
36,33
42,00
kcal/h
17.200
31.244
36.120
Reduced heat input
kW
3,60
5,00
4,90
7,00
4,90
7,00
kcal/h
3.096
4.300
4.214
6.020
4.214
6.020
Reduced heat output (*)
kW
3,60
5,00
4,54
7,00
4,54
7,00
kcal/h
3.096
4.300
3.905
6.020
3.905
6.020
Useful efficiency Pn max - Pn min (80°/60°)
%
97,4 - 97,1
97,4 - 97,4
97,4 - 97,4
Combustion efficiency
%
97,8
97,7
97,7
Useful efficiency Pn max - Pn min (50°/30°)
%
106,2 - 105,8
106,9 - 104,7
106,9 - 104,7
Useful efficiency Pn max 30% (30° return)
%
108,4
108,2
108,2
Efficiency at average P Range Rated (80°/60°)
%
97,3
97,5
97,5
Efficiency at average P Range Rated 30% (30° return)
%
108,5
108,3
108,3
Overall electric output (maximum heating output)
W
75
84
84
Overall electric output (maximum DHW output)
W
75
99
121
Circulator electric power (1.000 l/h) (heating-DHW)
W
39
39
39
Category ● Country of destination
II2H3P ● (+)
II2H3P ● (+)
II2H3P ● (+)
Voltage supply
V-Hz
230-50
230-50
230-50
Protection level
IP
X5D
X5D
X5D
Stop loss
W
34
32
32
Losses at the flue with burner off - burner on
%
0,10 - 2,23
0,06 - 2,33
0,06 - 2,33
Heating operation
Pressure
bar
3
3
3
Minimum pressure for standard operation
bar
0,25-0,45
0,25-0,45
0,25-0,45
Maximum temperature
°C
90
90
90
Selection field of heating water temperature
°C
20/45 ÷ 40/80
20/45 ÷ 40/80
20/45 ÷ 40/80
Pump: maximum head available
mbar
286
286
286
for system capacity
l/h
1.000
1.000
1.000
Membrane expansion tank
l
9
9
9
Expansion tank pre-loading (heating)
bar
1
1
1
Gas pressure
G20
G31
G20
G31
G20
G31
Nominal methane gas pressure (G20)
mbar
20
-
20
-
20
-
Nominal liquid gas LPG pressure (G31)
mbar
-
37
-
37
-
37