Alpha InTec2 28XE - Energy Classification

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11 ENERGY CLASSIFICATION
The values in the following tables refer to the maximum heating output.
Model(s): InTec² 25XE
Condensing boiler: YES
Low-temperature boiler: NO
B1 boiler: NO
Cogeneration space heater: NO Equipped with a supplementary heater: NO
Combination heater: YES
Item Symbol Value Unit Item Symbol Value Unit
Rated heat output P
n
20 kW
Seasonal space heating energy
efficiency
η
s
92 %
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
20.0 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
6.0 kW
At 30% of rated heat output and low
temperature regime (**)
η
1
97.3 %
Auxiliary electricity consumption Other items
At full load el
max
0.032 kW Standby heat loss P
stby
0.072 kW
At part load el
min
0.014 kW Ignition burner power consumption P
ign
0.000 kW
In standby mode P
SB
0.005 kW Emissions of nitrogen oxides NO
X
17
mg /
kWh
For combination heaters:
Declared load profile M Water heating energy efficiency η
WH
74 %
Daily electricity consumption Q
elec
0.170 kWh Daily fuel consumption Q
fuel
7.900 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): InTec² 28XE
Condensing boiler: YES
Low-temperature boiler: NO
B1 boiler: NO
Cogeneration space heater: NO Equipped with a supplementary heater: NO
Combination heater: YES
Item Symbol Value Unit Item Symbol Value Unit
Rated heat output P
n
24 kW
Seasonal space heating energy
efficiency
η
s
92 %
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
24.0 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
7.2 kW
At 30% of rated heat output and low
temperature regime (**)
η
1
97.4 %
Auxiliary electricity consumption Other items
At full load el
max
0.037 kW Standby heat loss P
stby
0.072 kW
At part load el
min
0.015 kW Ignition burner power consumption P
ign
0.000 kW
In standby mode P
SB
0.005 kW Emissions of nitrogen oxides NO
X
18
mg /
kWh
For combination heaters:
Declared load profile XL Water heating energy efficiency η
WH
86 %
Daily electricity consumption Q
elec
0.212 kWh Daily fuel consumption Q
fuel
22.544 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.
11.1 TECHNICAL PARAMETERS FOR MIXED BOILERS (IN COMPLIANCE WITH REGULATION 813/2013)
Alpha InTec² 25XE and 28XE - Energy Classification