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4.6 Technical data M290E.32CM
(nom.Q.) Nominal heating/d.h.w.
heat input (Hi)
(nom.Q.) Minimum heat input (Hi)
for heating
(nom.Q.) Minimum d.h.w. heat input
(Hi)
Maximum output power for heat-
ing/d.h.w.
Minimum output power for heating
Minimum output power for d.h.w.
Measured efficiency
Nominal efficiency 60°/80°C
Min. efficiency 60°/80°C
Efficiency at 30 % of load
Energy efficiency
Heat loss at the chimney with burner
operating
Heat loss at the chimney with burner
off ΔT 50°C
Heat loss towards the environment
through the casing with the burner
operating
NOx class
Weighted NOx ***
- 24 -
TECHNICAL SPECIFICATIONS
kW
33,9
kcal/h
29149
kW
15,5
kcal/h
13328
kW
15,5
kcal/h
13328
kW
30,6
kcal/h
26311
kW
14
kcal/h
12038
kW
14
kcal/h
12038
%
93,1
%
90,2
%
90,9
* * *
Pf (%)
5,9
Pfbs (%)
0,2
Pd (%)
1
2
mg/kWh
169
ppm
96
Heating
Adjustable temperature **
Max. operating temp.
Maximum pressure
Minimum pressure
Available pressure difference (at
1000 l/h)
** At minimum useful power
Domestic hot water
Temp. Minimum-Maximum
Maximum pressure
Minimum pressure
Maximum flow rate
(ΔT=25 K)
(ΔT=35 K)
Minimum flow rate
Specific d.h.w. flow rate (ΔT=30 K) * l/min
* Reference standard EN 625
Gas supply pressures
Gas
Nom.
Methane G20
Min.
Max.
Nom.
Propane G31
Min.
Max.
°C
38 - 85
°C
90
kPa
300
bar
3,0
kPa
30
bar
0,3
kPa
28,5
bar
0,285
°C
35 - 60
kPa
1000
bar
10
kPa
30
bar
0,3
l/min
17,5
l/min
12,5
l/min
2,5
15,2
Pa
mbar
2000
20
1700
17
2500
25
3700
37
2500
25
4500
45
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