2
Installation and Servicing
MODEL
SYMBOL UNITS 15 18 24 30
Condensing Boiler n/a n/a yes yes yes yes
Low Temperature Boiler n/a n/a no no no no
B1 Boiler n/a n/a no no no no
Cogeneration Space Heater n/a n/a no no no no
Equipped with a Supplementary Heater n/a n/a no no no no
Combination Heater n/a n/a no no no no
Nominal Heat Output for Space Heating
Full Load P
4 kW 15.1 18.0 24.3 30.3
Part Load P
1 kW 4.9 5.9 8.0 9.9
Auxiliary Electricity Consumption
Full Load el
max kW 0.021 0.026 0.042 0.048
Part Load el
min kW 0.012 0.013 0.013 0.013
Standby P
SB kW 0.005 0.005 0.005 0.005
Seasonal Space Heating Energy Efciency
Full Load
ƞ
4
% 90.0 89.7 90.0 89.8
Part Load
ƞ
1
% 97.8 98.5 98.7 98.2
Standby Loss P
stby kW 0.055 0.055 0.055 0.055
Ignition P
ign kW 0 0 0 0
Emissions Nox (Gross) NO
x, pond Hs mg/kWh 21 24 28 26
Annual Energy Consumption Q
HE GJ 47 56 75 93
Sound Power Level, Indoors L
WA dB 44 46 48 48
ERP DATA