Alpha E-Tec 30S - Energy Classification; Technical Parameters for Mixed Boilers

50
Alpha E-Tec S 20 and 30 - Energy Classification
11 ENERGY CLASSIFICATION
The values in the following tables refer to the maximum heating output.
Model(s): E-Tec 20S
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
93 %
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
88.1 %
At 30% of rated heat output and low
temperature regime (**)
P
1
8.0 kW
At 30% of rated heat output and low
temperature regime (**)
η
1
97.6 %
Auxiliary electricity consumption Other items
At full load el
max
0.010 kW Standby heat loss P
stby
0.057 kW
At part load el
min
0.005 kW Ignition burner power consumption P
ign
0.000 kW
In standby mode P
SB
0.002 kW Emissions of nitrogen oxides NO
X
35
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): E-Tec 30S
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
28 kW
Seasonal space heating energy
efficiency
η
s
93 %
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
28.0 kW
At rated heat output and high
temperature regime (*)
η
4
87.9 %
At 30% of rated heat output and low
temperature regime (**)
P
1
9.3 kW
At 30% of rated heat output and low
temperature regime (**)
η
1
97.6 %
Auxiliary electricity consumption Other items
At full load el
max
0.012 kW Standby heat loss P
stby
0.057 kW
At part load el
min
0.006 kW Ignition burner power consumption P
ign
0.000 kW
In standby mode P
SB
0.002 kW Emissions of nitrogen oxides NO
X
30
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.
11.1 TECHNICAL PARAMETERS FOR MIXED BOILERS (IN COMPLIANCE WITH REGULATION 811/2013)