39
12 ENERGY CLASSIFICATION
The values in the following tables refer to the maximum heating output.
Model(s): CD 13R
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
12 kW
Seasonal space heating energy
efficiency
η
s
90 %
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
12.0 kW
At rated heat output and high
temperature regime (*)
η
4
87.7 %
At 30% of rated heat output and low
temperature regime (**)
P
1
3.6 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
0.025 kW Standby heat loss P
stby
0.050 kW
At part load el
min
0.021 kW Ignition burner power consumption P
ign
0.000 kW
In standby mode P
SB
0.007 kW Emissions of nitrogen oxides NO
X
31
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.
Model(s): CD 18R
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
18 kW
Seasonal space heating energy
efficiency
η
s
90 %
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
18.0 kW
At rated heat output and high
temperature regime (*)
η
4
88.3 %
At 30% of rated heat output and low
temperature regime (**)
P
1
5.4 kW
At 30% of rated heat output and low
temperature regime (**)
η
1
95.9 %
Auxiliary electricity consumption Other items
At full load el
max
0.033 kW Standby heat loss P
stby
0.090 kW
At part load el
min
0.022 kW Ignition burner power consumption P
ign
0.000 kW
In standby mode P
SB
0.007 kW Emissions of nitrogen oxides NO
X
33
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.
12.1 TECHNICAL PARAMETERS FOR MIXED BOILERS (IN COMPLIANCE WITH REGULATION 813/2013)
Alpha CD13R, 18R, 24R - Energy Classification