TECHNICAL DATA
DESCRIPTION
Heating
Domestic hot water
Useful efficiency Pn max - Pn min (80°/60°)
Useful efficiency 30% (47° return)
Combustion efficiency
Useful efficiency Pn max - Pn min (50°/30°)
Useful efficiency 30% (30° return)
P Average Range Rated efficiency (80°/60°)
Total electric power (max power CH)
Total electric power (max power DHW)
Maximum circulator electric power (1.000 l/h)
Category
Country of destination
Power supply voltage
Protection level
Stop loss
Nominal loss at smoke pipe with burner off
Nominal loss at smoke pipe with burner ignited
Nominal loss at smoke pipe with burner ignited at minimum
Nominal loss through the shell with burner ignited
CH operation
Pressure - maximum temperature
Minimum pressure for standard operation
Selection field of heating water temperature
Pump: maximum head available
for system capacity
Membrane expansion tank
Expansion tank pre-charge
DHW operation
Maximum pressure
Minimum pressure
Hot water quantity
DHW minimum capacity
Selection field of DHW temperature
Flow regulator
(*) average value between various hot water operation conditions
Nominal heat input
Nominal heat output (80/60°)
Nominal heat output (50°/30°)
Reduced heat input
Reduced heat output (80°/60°)
Reduced heat output (50°/30°)
Nominal Range Rated heat output (Qn)
Minimum Range Rated heat output (Qm)
Nominal heat input
Nominal heat output (*)
Reduced heat input
Reduced heat output (*)
with ∆t 25°C
with ∆t 30°C
with ∆t 35°C
MySMART 28 C.S.I.
G20
kW
kcal/h
17.200
kW
kcal/h
16.873
kW
kcal/h
18.438
kW
2,80
kcal/h
2.408
kW
2,76
kcal/h
2.377
kW
3,00
kcal/h
2.577
kW
kcal/h
17.200
kW
6,00
kcal/h
5.160
kW
kcal/h
24.080
kW
kcal/h
24.080
kW
2,80
kcal/h
2.408
kW
2,80
kcal/h
2.408
%
98,1-98,7
%
%
%
107,2-107,0
%
%
W
W
W
II2H3P
V - Hz
230-50
IP
W
%
%
%
%
bar-°C
bar
0.25-0.45
°C
20/45 ~ 40/80
mbar
l/h
l
bar
bar
bar
l/min
l/min
l/min
l/min
°C
l/min
MySMART C.S.I.
G31
20,00
19,62
21,44
4,00
3.440
3,95
3.399
4,20
3.609
20,00
6,00
5.160
28,00
28,00
4,00
3.440
4,00
3.440
102,4
98,3
109,6
98,4
80
94
51
(+)
X5D
26
0,05
1,68
0,61
0,22
3-90
326
1.000
9
1
6
0.2
16,1
13,4
11,5
2
37-60
11
17