4.5 Technical data M270V.2530 SM
(nom.Q.) Nominal heat input in
heating mode (Hi)
(nom.Q.) Nominal heat input in
d.h.w. mode (Hi)
(nom.Q.) Minimum heat input (Hi)
* Max. heat input in heating mode
60°/80°C
* Max. heat input in d.h.w. mode
60°/80°C
* Min. heat input 60°/80°C
** Max. heat input in heating mode
30°/50°C
** Max. heat input in d.h.w. mode
30°/50°C
** Min. heat input 30°/50°C
Data in heating mode
NOx class
Weighted NOx ***
Weighted CO EN483 (0% O2)
CO at nom. Q. (0% O2) ***
CO at nom. Q. (0% O2) ***
CO2 at nom. Q. with G20
CO2 at min. Q. with G20
CO2 at nom. Q. with G31
CO2 at min. Q. with G31
** Condensate quantity at nom.Q.
30°/50°C
** Condensate quantity at min.Q.
30°/50°C
Condensate pH
- 26 -
TECHNICAL SPECIFICATIONS
kW
26,0
kcal/h
22356
kW
31,0
kcal/h
26655
kW
6,2
kcal/h
5331
kW
25,4
kcal/h
21840
kW
30,3
kcal/h
26053
kW
5,8
kcal/h
4987
kW
27,9
kcal/h
23990
kW
33,3
kcal/h
28633
kW
6,5
kcal/h
5589
6
mg/kWh
35
ppm
20
ppm
n.a.
ppm
196,0
ppm
9,0
%
9,0 - 9,6
%
8,2 - 8,8
%
10,1 - 10,7
%
9,4 - 10,0
l/h
4,8
l/h
1,2
l/h
4,0
Data in d.h.w. mode
CO2 at nom. Q. with G20
CO2 at min. Q. with G20
CO2 at nom. Q. with G31
CO2 at min. Q. with G31
* With return water temperature that does not permit
condensation
** With return water temperature that does permits
condensation
*** With coax. flue gas discharge 60/100 0.9 m and
METHANE gas G20
Measured efficiency in heating mode
* Nominal efficiency 60°/80°C
* Min. efficiency 60°/80 C
** Nominal efficiency 30°/50°C
** Min. efficiency 30°/50°C
* Efficiency At 30 % of load
** Efficiency At 30 % of load
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
Energy efficiency
Gas supply pressures
Gas
Nom.
Methane G20
Min.
Max.
Nom.
Propane G31
Min.
Max.
%
9,1 - 9,7
%
8,2 - 8,8
%
10,3 - 10,9
%
9,4 - 10,0
%
97,8
%
93,4
%
107,3
%
104,6
%
n.a.
%
107,9
Pf (%)
1,7
Pfbs
0,2
(%)
Pd (%)
0,9
* * * *
Pa
mbar
2000
20
1700
17
2500
25
3700
37
2500
25
4500
45