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
18
24
30
Part Load
P
1
kW
4.8
5.8
7.9
11
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 Efficiency
Full Load
ƞ
4
%
89.7
89.6
89.6
89.8
Part Load
ƞ
1
%
97.7
97.4
98
98
Standby Loss
P
stby
kW
0.055
0.055
0.055
0.055
Ignition
P
ign
kW
0
0
0
0
Emissions
NO
x
mg/kWh
27
24
34
36
Annual Energy Consumption
Q
HE
GJ
46.0
56.0
74.0
93.0
Sound Power Level, Indoors
L
WA
dB
41
42
45
45
ERP DATA
