ENGLISH
16
MySMART R.S.I.
17
TECHNICAL DATA
DESCRIPTION
MySMART 20 R.S.I.
G20
G31
Heating
Nominal heat input
kW
20,00
kcal/h
17.200
Nominal heat output (80/60°)
kW
19,62
kcal/h
16.873
Nominal heat output (50°/30°)
kW
21,44
kcal/h
18.438
Reduced heat input
kW
2,80
4,00
kcal/h
2.408
3.440
Reduced heat output (80°/60°)
kW
2,76
3,95
kcal/h
2.377
3.399
Reduced heat output (50°/30°)
kW
3,00
4,20
kcal/h
2.577
3.609
Nominal Range Rated heat output (Qn)
kW
20,00
kcal/h
17.200
Minimum Range Rated heat output (Qm)
kW
6,00
6,00
kcal/h
5.160
5.160
Domestic hot water
Nominal heat input
kW
20,00
kcal/h
17.200
Nominal heat output (*)
kW
20,00
kcal/h
17.200
Reduced heat input
kW
2,80
4,00
kcal/h
2.408
3.440
Reduced heat output (*)
kW
2,80
4,00
kcal/h
2.408
3.440
Useful efficiency Pn max - Pn min (80°/60°)
%
98,1 - 98,7
Useful efficiency 30% (47° return)
%
102,4
Combustion efficiency
%
98,3
Useful efficiency Pn max - Pn min (50°/30°)
%
107,2 - 107,0
Useful efficiency 30% (30° return)
%
109,6
P Average Range Rated efficiency (80°/60°)
%
98,4
Max DHW electric power
W
93
Max CH electric power
W
81
Maximum circulator electric power (1.000 l/h)
W
51
Category ● Country of destination
II2H3P ● (+)
Power supply voltage
V - Hz
230-50
Protection level
IP
X5D
Stop loss
W
26
Nominal loss at smoke pipe with burner off
%
0,05
Nominal loss at smoke pipe with burner ignited at minimum
%
0,61
Nominal loss through the shell with burner ignited
%
0,22
CH operation
Pressure - maximum temperature
bar-°C
3-90
Minimum pressure for standard operation
bar
0.25-0.45
Selection field of heating water temperature
°C
20/45 ~ 40/80
Pump: maximum head available
mbar
326
for system capacity
l/h
1.000
Membrane expansion tank
l
9
Expansion tank pre-charge
bar
1
Gas pressure
G20
G31
Nominal gas pressure
mbar
20
37
Hydraulic connections
CH input - output
Ø
3/4”
Water tank delivery-output
Ø
3/4”
Gas input
Ø
3/4”
Boiler dimensions
Height
mm
780
Height with hydraulic cover connection
mm
845
Width
mm
400
Depth at shell
mm
358
Boiler weight
kg
38
(*) average value between various hot water operation conditions