3.2.2
Technical parameters
Tab.14 Technical parameters for boiler combination heaters
Baxi Combi
224
228
424
428
Condensing boiler
Yes
Yes
Yes
Yes
No
No
No
No
B1 boiler
No
No
No
No
Cogeneration space heater
No
No
No
No
Combination heater
Yes
Yes
Yes
Yes
Rated heat output
Prated
kW
20
24
20
24
Useful heat output at rated heat output
and high temperature regime
P
4
kW
20.0
24.0
20.0
24.0
Useful heat output at 30% of rated heat
output and low temperature regime
P
1
kW
6.7
8.0
6.7
8.0
Seasonal space heating energy efficiency
ƞ
s
%
93
93
93
93
Useful efficiency at rated heat output and
high temperature regime
ƞ
4
%
88.1
88.0
88.1
88.0
Useful efficiency at 30% of rated heat
output and low temperature regime
ƞ
1
%
97.8
97.8
97.8
97.8
Auxiliary electricity consumption
Full load
elmax
kW
0.028
0.038
0.028
0.038
Part load
elmin
kW
0.011
0.011
0.011
0.011
Standby mode
P
SB
kW
0.003
0.003
0.003
0.003
Other items
Standby heat loss
P
stby
kW
0.069
0.069
0.069
0.069
Ignition burner power consumption
P
ign
kW
0.000
0.000
0.000
0.000
Annual energy consumption
Q
HE
GJ
62
74
62
74
Sound power level, indoors
L
WA
dB
48
50
48
50
Emissions of nitrogen oxides
NO
X
mg/kWh
38
40
38
40
Domestic hot water parameters
Declared load profile
XL
XL
XL
XL
Daily electricity consumption
Q
elec
kWh
0.151
0.151
0.151
0.151
Annual electricity consumption
AEC
kWh
33
33
33
33
Water heating energy efficiency
ƞ
wh
%
86
85
86
85
Daily fuel consumption
Q
fuel
kWh
22.770
22.930
22.770
22.939
Annual fuel consumption
AFC
GJ
17
17
17
17
(1) Low temperature means for condensing boilers 30°C, for low temperature boilers 37°C and for other heaters 50°C return temperature
(at heater inlet).
(2) High temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet.
See
The back cover for contact details.
3 Technical specifications
16
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Содержание Combi 200
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