NeOvo EFU 22 FF, User Manual

Page: 11 / 44

3 Technical specifications
3.1 Homologations
3.1.1 Certifications
The boiler complies with current standards.
CE identification number: 0085CQ0004
3.1.2 Oil categories
Tab.1 Oil categories
Type of oil that can be used Maximum viscosity
Standard fuel oil
6 mm
2
/s at 20 °C
Low-sulphur oil
6 mm
2
/s at 20 °C
Bio-oil B10
Mixture of low-sulphur oil (<50 mg/kg) plus 5.9 to 10.9% (in volume) of FAME
(1)
6 mm
2
/s at 20 °C
Bio-oil B5 (or Bio 5)
Mixture of low-sulphur oil (<50 mg/kg) plus 3 to 5.9% (in volume) of FAME
(1)
6 mm 2 /s at 20 °C
(1) Liquid petroleum products — Fatty Acid Methyl Esters used as heating fuel
3.2 Technical data
Tab.2 Technical parameters for boiler space heaters
Product name EFU 22 FF EFU 29 FF
Condensing boiler No No
Low-temperature boiler
(1)
Yes Yes
B1 boiler No No
Cogeneration space heater No No
Combination heater No No
Rated heat output
Prated
kW 22 30
Useful heat output at rated heat output and high tem­
perature regime
(2)
P
4
kW 22.4 29.8
Useful heat output at 30% of rated heat output and low
temperature regime
(1)
P
1
kW 7.0 9.3
Seasonal space heating energy efficiency ƞ
s
% 86 86
Useful efficiency at rated heat output and high temper­
ature regime
(2)
ƞ
4
% 87.5 87.3
Useful efficiency at 30% of rated heat output and low
temperature regime
(1)
ƞ
1
% 91.2 90.6
Auxiliary electricity consumption
Full load
elmax
kW 0.143 0.144
Part load
elmin
kW 0.050 0.050
Stand-by P
SB
kW 0.004 0.004
Other specifications
Standby heat loss
P
stby
kW 0.083 0.095
3 Technical specifications
7641178 - v02 - 17102016 EFU FF 11