Technical documentation
Model
Condensing boiler
Low-temperature boiler
B11 boiler
Cogeneration space heater
Combination heater
Applied standards
Rated heat output
For boiler space heaters and boiler combination heaters: Useful heat output
At rated heat output and high-temperature
regime
At 30 % of rated heat output and low-temper-
ature regime
Auxiliary electricity consumption
At full load
At part load
Standby mode
For combination heaters
Declared load profile for water heating
Daily energy consumption
Annual energy consumption
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Prated
42
kW
Seasonal space heating energy efficiency
For boiler space heaters and boiler combination heaters: Useful efficiency
P
42
kW
At rated heat output and high-temperature
4
regime
P
kW
At 30 % of rated heat output and low-temper-
1
ature regime
Other items
elmax
kW
Standby heat loss
elmin
kW
Ignition burner power consumption
P
0,01
kW
Annual energy consumption
SB
Sound power level, indoors
Water heating energy efficiency
Q
kWh
Daily fuel consumption
elec
AEC
kWh
Annual fuel consumption
ELK 42
ƞ
s
ƞ
4
ƞ
1
P
stby
P
ign
Q
HE
L
WA
ƞ
wh
Q
fuel
AFC
GB
36,9
%
40
%
%
0,2
kW
kW
kWh
35
dB
%
kWh
GJ
23