Mynute Boiler B.A.I.
23
Multigas table
DESCRIPTION
Methane gas (G20)
Butane (G30)
Propane (G31)
Lower Wobbe index (at 15°C-1013 mbar)
MJ/m
3
S
45,67
80,58
70,69
Net Calorific Value
MJ/m
3
S
34,02
116,09
88
Supply nominal pressure
mbar
mm W.C.
20
203,9
28 - 30
285,5 - 305,9
37
377,3
Supply minimum pressure
mbar
mm W.C.
13,5
137,7
-
-
-
-
MYNUTE BOILER 28/60 B.A.I.
Burner (number of holes)
n°
14
14
14
Burner (diameter of holes)
mm
1,3
0,77
0,77
Heating maximum gas capacity
Sm
3
/h
3,28
kg/h
2,44
2,41
DHW maximum gas capacity
Sm
3
/h
3,28
kg/h
2,44
2,41
Heating minimum gas capacity
Sm
3
/h
1,48
kg/h
1,10
1,09
DHW minimum gas capacity
Sm
3
/h
1,04
kg/h
0,77
0,76
Maximum pressure downstream CH valve
mbar
11,70
27,80
35,60
mm W.C.
119,31
283,48
363,02
Maximum pressure downstream DHW valve
mbar
11,70
27,80
35,60
mm W.C.
119,31
283,48
363,02
Minimum pressure downstream CH valve
mbar
2,60
6,50
7,80
mm W.C.
26,51
66,28
79,54
Minimum pressure downstream DHW valve
mbar
1,40
2,80
4,10
mm W.C.
14,28
28,55
41,81
PARAMETER
SYMBOL
MYNUTE BOILER 28/60 B.A.I.
UNIT
Seasonal space heating energy efficiency class
C
-
Water heating energy efficiency class
B
-
Rated heat output
Pnominal
28
kW
Seasonal space heating energy efficiency
ηs
77
%
Useful heat output
At rated heat output and high-temperature regime (*)
P4
28,1
kW
At 30% of rated heat output and low-temperature regime (**)
P1
8,3
kW
Useful efficiency
At rated heat output and high-temperature regime (*)
η4
81,5
%
At 30% of rated heat output and low-temperature regime (**)
η1
80,7
%
Auxiliary electricity consumption
At full load
elmax
10,0
W
At part load
elmin
4,8
W
In Stand-by mode
PSB
2,6
W
Other parameters
Stand-by heat loss
Pstby
154,0
W
Pilot flame energy consumption
Pign
-
W
Annual energy consumption
QHE
105
GJ
Sound power level, indoors
LWA
51
dB
Emissions of nitrogen oxides
NOx
145
mg/kWh
For combination heaters
Declared load profile
XL
Water heating energy efficiency
ηwh
75
%
Daily electricity consumption
Qelec
0,140
kWh
Daily fuel consumption
Qfuel
26,882
kWh
Annual electricity consumption
AEC
31
kWh
Annual fuel consumption
AFC
20
GJ
(*) High-temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet.
(**) Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50 °C return temperature (at heater inlet).
