Riello INSIEME EVOe 25 B/70 LN, Installation And Maintenance Manual

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8
GENERAL INFORMATION
1.7 Technical specifications
DESCRIPTION INSIEME EVOe 25 B/70 LN
Device type
Mixed low temperature
heating B23-C13(*)-
C33(*)-C63(*)
Fuel Heating fuel oil (light oil)
Combustion chamber vertical
Maximum rated heat input at furnace referred to HVC (LCV) 28,1 (26,5) kW
Useful (rated) heat output 25 kW
Maximum useful heat output P4 (80-60°C) 25,3 kW
30% heat output P1 with return at 37°C 7,7 kW
Efficiency class in central heating mode B
Seasonal energy efficiency in DHW mode B
Seasonal energy efficiency in central heating mode
ηs
86 %
Efficiency at rated heat output in high temperature
mode referred to HCV
η4
Pn (80-60°C) 90 %
Efficiency with nominal heat output and high tem-
perature referred to LHV
Pn (80-60°C) 84,8 %
Efficiency at 30% rated heat output in low tempera-
ture mode referred to HCV
η1
with return at 37°C 91,1 %
Efficiency at 30% with nominal heat output and low
temperature referred to LHV
with return at 37°C 85,9 %
Energy efficiency in DHW mode
ηwh
77 %
Domestic load profile XL
Chimney losses with burner on at max. Pn (80-60°C) 3,6 %
Heat loss in standby mode Pstby
44 W
0,17 %
Annual energy consumption QHE 84 GJ
Daily electrical energy consumption Qelec 0,103 kWh
Annual electrical energy consumption AEC 27,5 kWh
Daily fuel consumption Qfuel 25,12 kWh
Annual fuel consumption AFC 34,28 GJ
Noise level (sound power) LWA 59 dB(A)
Emissions with maximum output (*)
NOx (referred to HCV) 92 mg/kWh
NOx Class 3 n°
CO2 12,5 %
CO w.a. < 10 ppm
Flue gas T
with nominal out-
put (80-60°C)
100 °C
Smoke scale <0,5
Flue gas mass airflow with max nominal output (**) 10 g/s
Flue gas residual head with max power 20 Pa
Minimum operating pressure 0,5 bar
Maximum working pressure 3 bar
Lockout thermostat activation temperature 110 °C
Maximum adjustment temperature 82 °C
Minimum return temperature 37 °C
Boiler water capacity 33 l
Turbulators 16 n°
Volume of expansion vessel (CH) 8 l
Precharge of expansion vessel (CH) 1,5 bar