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22
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0HWKDQHJDV*
3URSDQH*
Lower Wobbe index (at 15°C-1013 mbar)
MJ/m
3
S
45,67
70,69
Net Calorific Value
MJ/m
3
S
MJ/KgS
34,02
-
88
46,34
Supply nominal pressure
mbar
mm H
2
O
20
203,9
37
377,3
Supply minimum pressure
mbar
mm H
2
O
10
102,0
-
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Burner: number of nozzles - diameter of nozzles - lenght
n° - mm - mm
1 - 63 - 130
1 - 63 - 130
Diaphragm: number of holes - diameter of holes
n° - mm
1 - 5,6
1 - 4,3
Heating maximum gas capacity
Sm
3
/h
kg/h
2,64
-
-
1,94
DHW maximum gas capacity
Sm
3
/h
kg/h
2,64
-
-
1,94
Heating minimum gas capacity
Sm
3
/h
kg/h
0,63
-
-
0,47
DHW minimum gas capacity
Sm
3
/h
kg/h
0,63
-
-
0,47
Number of fan rotations with slow ignition
rpm
4.000
4.000
Maximum number of heating fan rotations
rpm
7.000
7.000
Maximum number of DHW fan rotations
rpm
7.100
7.000
Minimum number of heating fan rotations
rpm
2.100
2.100
Minimum number of DHW fan rotations
rpm
2.100
2.100
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Seasonal space heating energy efficiency
class
A
Water heating energy
efficiency class
A
3DUDPHWHU
6\PERO
9DOXH 8QLW
3DUDPHWHU
6\PERO 9DOXH 8QLW
5DWHGKHDWRXWSXW
P
rated
25
kW
6HDVRQDOVSDFHKHDWLQJ
HQHUJ\HIILFLHQF\
Ș
s
92
%
For boiler space heaters and boiler combination heaters:
useful heat output
For boiler space heaters and boiler combination heaters:
useful efficiency
At rated heat output and high-
temperature regime (*)
P
4
24,5
kW
At rated heat output and high-
temperature regime (*)
Ș
4
88,8
%
At 30% of rated heat output
and low-temperature
regime (**)
P
1
8,0
kW
At 30% of rated heat output
and low-temperature
regime (**)
Ș
1
96,4
%
Auxiliary electricity consumption
Other parameters
At full load
elmax
50,0
W
Stand-by heat loss
P
stby
58,0
W
At part load
elmin
16,7
W
Pilot flame energy
consumption
P
ign
-
W
In Stand-by mode
P
SB
2,4
W
Annual energy consumption
Q
HE
48
GJ
Sound power level, indoors
L
WA
53
dB
Emissions of nitrogen oxides
NO
x
35
mg/ kWh
For combination heaters:
'HFODUHGORDGSURILOH
XL
:DWHUKHDWLQJHQHUJ\
HIILFLHQF\
Ș
wh
83
%
Daily electricity consumption
Q
elec
0,183
kWh
Daily fuel consumption
Q
fuel
23,579
kWh
Annual electricity consumption
AEC
40
kWh
Annual fuel consumption
AFC
18
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).
