4 | Technical information
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M1820921_en | Installation instructions Dual fuel boiler SP Dual compact
4.3 Technical specifications
4.3.1 SP Dual compact 15/20
Technical specifications of the firewood boiler
Refer to the relevant assembly instructions for technical specifications and information
regarding efficiency and emissions in firewood operation.
Technical specifications of the pellet unit
Description
SP Dual compact
15
20
Nominal output
kW
15
20
Output range - pellet operation
kW
4,4-15,0
4,4-20,0
Electrical connection
230V / 50Hz / fused C16A
Power consumption in pellet mode
W
37-56
37-63
Power consumption in slumber mode
3
Boiler weight incl. pellet unit
kg
645
655
Weight of pellet unit
190
Total boiler capacity (water)
l
105
Pellet container capacity
40
Water pressure drop
(ΔT = 10 / 20 K)
mbar
4.5
At least boiler return temperature
°C
60
Max. permitted operating temperature
°C
90
Permitted operating pressure
bar
3
Boiler class as per EN 303-5:2012
5
Permitted fuel as per EN ISO 17225
Part 2: Wood pellets class A1 / D06
Airborne sound level
dB(A)
<70
Test book number
PB 082
PB 083
Regulation (EU) 2015/1187
SP Dual compact
15
20
Energy efficiency class of boiler
A+
A+
Energy efficiency index (EEI) of boiler
118
118
Heating space annual rate of use ηs
%
80
80
Energy efficiency index (EEI) of boiler and controller combined
120
120
Energy efficiency class of boiler and controller combined
A+
A+
