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MULTIGAS TABLE
DESCRIPTION
Lower Wobbe index (at 15°C-1013 mbar)
Net Calorific Value
Supply nominal pressure
Supply minimum pressure
MySMART 20 R.S.I.
Diaphragm - number of holes
Diaphragm - diameter of holes
Burner diameter
Burner length
CH maximum gas capacity
DHW maximum gas capacity
CH minimum gas capacity
DHW minimum gas capacity
Number of fan rotations with slow ignition
Maximum number of heating fan rotations
Maximum domestic hot water fan rotations
Minimum number of heating fan rotations
Minimum number of DHW fan rotations
The data indicated must not be used to certify the system; for certification, use the data indicated in the "System handbook" measured during
first ignition.
All the pressure values are measured with the compensation socket disconnected.
MySMART 20 R.S.I.
Seasonal space heating energy efficiency class
Parameter
Rated heat output
For boiler space heaters and boiler combination heaters: useful
heat output
At rated heat output and high-
temperature regime (*)
At 30% of rated heat output and
low-temperature regime (**)
Auxiliary electricity consumption
At full load
At part load
In Stand-by mode
For combination heaters:
Declared load profile
Daily electricity consumption
Annual electricity consumption
(*) 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).
A
Symbol
Value
Unit
Prated
20
kW
P4
19.6
kW
P1
6.6
kW
elmax
31.8
W
elmin
14.8
W
PSB
2.4
W
-
Qelec
-
kWh
AEC
-
kWh
Methane gas
(G20)
MJ/m
S
45,67
3
MJ/m
S
34,02
3
mbar
20 (203,9)
mm W.C.
mbar
10 (102,0)
mm W.C.
No.
2
ø mm
1x4,7 flap+1x4,2 free
mm
63
mm
95
Sm
/h
2,12
3
kg/h
Sm
/h
2,12
3
kg/h
Sm
/h
0,30
3
kg/h
Sm
/h
0,30
3
kg/h
rpm
3.700
rpm
4.500
rpm
4.500
rpm
1.200
rpm
1.200
Water heating energy efficiency class
Parameter
Seasonal space heating energy
efficiency
For boiler space heaters and boiler combination heaters: useful
efficiency
At rated heat output and high-
temperature regime (*)
At 30% of rated heat output and low-
temperature regime (**)
Other parameters
Stand-by heat loss
Pilot flame energy consumption
Annual energy consumption
Sound power level, indoors
Emissions of nitrogen oxides
Water heating energy efficiency
Daily fuel consumption
Annual fuel consumption
MySMART R.S.I.
Propane
(G31)
70,69
88
37 (377,3)
-
2
1x3,4 flap+1x3,25 free
63
95
1,55
1,55
0,31
0,31
3.700
4.500
4.500
1.500
1.500
-
Symbol
Value
Unit
ηs
94
%
η4
88.6
%
η1
98.7
%
Pstby
26.0
W
Pign
-
W
QHE
34
GJ
LWA
51
dB
NOx
29
mg/kWh
ηwh
-
%
Qfuel
-
kWh
AFC
-
GJ
19
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