3 Technical specifications
3.1
Homologations
3.1.1
Certifications
The boiler complies with current standards.
CE identification number: 0085CQ0002
3.1.2
Oil categories
Tab.1
Type of oil that can be used
Maximum viscosity
GNR
Non-road diesel with a maximum FAME content of 7 %
(1)
Note
To be used exclusively for a boiler fitted with a burner with a heater.
6 mm
2
/s at 20 °C
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 C 19
EFU C 24
EFU C 32
Condensing boiler
Yes
Yes
Yes
Low-temperature boiler
(1)
No
No
No
B1 boiler
No
No
No
Cogeneration space heater
No
No
No
Combination heater
No
No
No
Rated heat output
Prated
kW
18
23
31
Useful heat output at rated heat output and
high temperature regime
(2)
P
4
kW
18.3
23.1
30.7
Useful heat output at 30% of rated heat output
and low temperature regime
(1)
P
1
kW
5.8
7.3
9.6
Seasonal space heating energy efficiency
ƞ
s
%
88
89
88
Useful efficiency at rated heat output and high
temperature regime
(2)
ƞ
4
%
90.4
90.3
89.8
Useful efficiency at 30% of rated heat output
and low temperature regime
(1)
ƞ
1
%
95.2
94.6
93.7
Auxiliary electricity consumption
Full load
elmax
kW
0.172
0.143
0.143
3 Technical specifications
7640198 - v03 - 12012017
EFU C
11
