8
GENERAL INFORMATION
1.7
Technical specifications
DESCRIPTION
INSIEME EVOe
25 K LN
INSIEME EVOe 32
K LN
Device type
Mixed low temperature heating
B23-C13(*)-C33(*)-C63(*)
Fuel
Heating fuel oil (light oil)
Combustion chamber
vertical
vertical
Maximum rated heat input at furnace referred to HVC (LCV)
28,1 (26,5)
36 (33,9)
kW
Useful (rated) heat output
25
32
kW
Maximum useful heat output
P4
(80-60°C)
25,3
32,5
kW
30% heat output
P1
with return at
37°C
7,7
9,9
kW
Efficiency class in central heating mode
B
B
Seasonal energy efficiency in DHW mode
B
B
Seasonal energy efficiency in central heating mode
ηs
86
87
%
Efficiency at rated heat output in high temperature
mode referred to HCV
η4
Pn (80-60°C)
90
90,2
%
Efficiency with nominal heat output and high tempera-
ture referred to LHV
Pn (80-60°C)
95,4
95,7
%
Efficiency at 30% rated heat output in low temperature
mode referred to HCV
η1
with return at
37°C
91,1
91,8
%
Efficiency at 30% with nominal heat output and low
temperature referred to LHV
with return at
37°C
96,6
97,3
%
Energy efficiency in DHW mode
ηwh
77
77
%
Domestic load profile
XL
XL
Chimney losses with burner on at max. Pn (80-60°C)
3,6
3,8
%
Heat loss in standby mode
Pstby
44
66
W
0,17
0,25
%
Annual energy consumption
QHE
84
108
GJ
Daily electrical energy consumption
Qelec
0,103
0,105
kWh
Annual electrical energy consumption
AEC
27,5
28,7
kWh
Daily fuel consumption
Qfuel
25,12
27,18
kWh
Annual fuel consumption
AFC
34,28
36,32
GJ
Noise level (sound power)
LWA
59
59
dB(A)
Emissions with maximum output (*)
NOx
(referred to
HCV)
92
88
mg/kWh
NOx Class
3
3
n°
CO2
12,5
12,5
%
CO w.a.
<
10
10
ppm
Flue
gas T
with nominal
output (80-
60°C)
100
105
°C
Smoke scale
<0,5
<0,5
Flue gas mass airflow with max nominal output (**)
10
12
g/s
Flue gas residual head with max power
20
18
Pa
Minimum operating pressure
0,5
0,5
bar
Maximum working pressure
3
3
bar
Lockout thermostat activation temperature
110
110
°C
Maximum adjustment temperature
82
82
°C
Minimum return temperature
37
37
°C
Boiler water capacity
32
42
l
Turbulators
16
26
n°
Volume of expansion vessel (CH)
8
12
l
Precharge of expansion vessel (CH)
1,5
1,5
bar