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Alpha CD13R, 18R, 24R - Energy Classification
12.2 PRODUCT DATA SHEET (IN COMPLIANCE WITH REGULATION 811/2013)
Model(s): CD 24R
Condensing boiler: YES
Low-temperature boiler: NO
B1 boiler: NO
Cogeneration space heater: NO Equipped with a supplementary heater: NO
Combination heater: NO
Item Symbol Value Unit Item Symbol Value Unit
Rated heat output P
n
24 kW
Seasonal space heating energy
efficiency
η
s
91 %
For boiler space heaters and boiler combination heaters: useful
heat output
For boiler space heaters and boiler combination heaters: Useful
efficiency
At rated heat output and high
temperature regime (*)
P
4
23.5 kW
At rated heat output and high
temperature regime (*)
η
4
88.2 %
At 30% of rated heat output and low
temperature regime (**)
P
1
7.1 kW
At 30% of rated heat output and low
temperature regime (**)
η
1
96.4 %
Auxiliary electricity consumption Other items
At full load el
max
0.040 kW Standby heat loss P
stby
0.090 kW
At part load el
min
0.023 kW Ignition burner power consumption P
ign
0.000 kW
In standby mode P
SB
0.007 kW Emissions of nitrogen oxides NO
X
29
mg /
kWh
For combination heaters:
Declared load profile Water heating energy efficiency η
WH
%
Daily electricity consumption Q
elec
kWh Daily fuel consumption Q
fuel
kWh
Contact details Alpha Therm Ltd., Nepicar House, Wrotham Heath, Kent. TN15 7RS
(*) High temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet.
(**) Low temperature means for condensing boilers 30°C, for low-temperature boilers 37°C and for other heaters 50°C return temperature.
CD 13R
Parameter Value
Yearly energy consumption for the hea-
ting function (QHE)
38.4 GJ
Yearly electricity consumption for the
domestic hot water function (AEC)
-
Yearly fuel consumption for the domestic
hot water function (AFC)
-
Seasonal room heating yield (ηs) 90 %
Domestic hot water production yield (ηwh) -
A
+
A
B
C
D
E
F
G
A
A
++
12kW
36 dB
CD 13R