8
GENERAL INFORMATION
1.7
Technical specifications
DESCRIPTION
INSIEME EVO COND
25 B/130 LN
35 B/130 LN
Device type
for condensing heating of environ-
ments B23-B23P-C13(*)-C33(*)-C63(*)
Fuel
Heating fuel oil (light oil)
Combustion chamber
Horizontal
Maximum rated heat input at furnace referred to HVC (LCV)
26,5 (25)
37 (34,9)
kW
Minimum rated heat input at furnace referred to HVC (LCV)
26,5 (25)
37 (34,9)
kW
Useful (rated) heat output
24
34
kW
Maximum useful heat output
P4
(80-60°C)
24,2
33,8
kW
Maximum rated heat output (50-30°C)
-
OIL
26,2
36,4
kW
Maximum nominal heat output (60-40°C)
-
OIL
25,5
35,3
kW
30% heat output
P1
with return
30°C
7,9
11,0
kW
Minimum rated heat output (80-60°C)
-
OIL
24,2
33,8
kW
Minimum nominal heat output (50-30°C)
-
OIL
26,2
36,4
kW
Efficiency class in central heating mode
A
A
Seasonal energy efficiency in DHW mode
B
B
Seasonal energy efficiency in central heating mode
ηs
93
93
%
Efficiency at rated heat output in high temperature
mode referred to HCV
η4
Pn (80-60°C)
91,4
91,0
%
Efficiency with nominal heat output and high tem-
perature referred to LHV
96,9
96,5
%
Efficiency at 30% rated heat output in low tempera-
ture mode referred to HCV
η1
with return
30°C
99,6
98,9
%
Efficiency at 30% with nominal heat output and low
temperature referred to LHV
105,6
104,8
%
Energy efficiency in DHW mode
ηwh
78
78
%
Domestic load profile
XL
XL
Chimney losses with burner on at max. Pn (80-60°C)
2,6
3,0
%
Chimney losses with burner on at max. 30% Pn (50-
30°C)
0,3
0,3
Heat loss in standby mode
Pstby
121
170
W
0,5
0,5
%
Annual energy consumption
QHE
78
109
GJ
Daily electrical energy consumption
Qelec
0,101
0,103
kWh
Annual electrical energy consumption
AEC
26,20
28,50
kWh
Daily fuel consumption
Qfuel
24,93
26,70
kWh
Annual fuel consumption
AFC
33,85
35,40
GJ
Noise level (sound power)
LWA
69
75
dB(A)
Emissions with maximum output (*)
NOx
(referred to
HCV)
89
99
mg/
kWh
NOx Class
4
4
n°
CO2
12,5
12,5
%
CO w.a. <
8
11
ppm
Flue gas T
with nominal
output (80-
60°C)
72,1
73,8
°C
Smoke scale
<0,5
<0,5
Flue gas mass airflow with max nominal output (**)
11
15
g/s
Flue gas residual head with max power
200
200
Pa
Minimum operating pressure
0,5
bar
Maximum working pressure
3
bar
Lockout thermostat activation temperature
110
°C
(*)
Configurations possible only with the installation of the dedicated accessories (available separately).
(**)
Values referred to atmospheric pressure at sea level.