Benchmark Alpha E-Tec Plus 28 - Page 54

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E-Tec Plus 28
12.2 PRODUCT DATA SHEET (IN COMPLIANCE WITH REGULATION 811/2013)
E-Tec Plus 33
Alpha E-Tec Plus 28, 33 and 38 - Energy Classification
Model(s): E-Tec Plus 38
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
32 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
32.0 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
10.6 kW
At 30% of rated heat output and low
temperature regime (**)
η
1
97.7 %
Auxiliary electricity consumption Other items
At full load el
max
0.042 kW Standby heat loss P
stby
0.055 kW
At part load el
min
0.007 kW Ignition burner power consumption P
ign
0.000 kW
In standby mode P
SB
0.002 kW Emissions of nitrogen oxides NO
X
34
mg /
kWh
For combination heaters:
Declared load profile XL Water heating energy efficiency η
WH
85 %
Daily electricity consumption Q
elec
0.124 kWh Daily fuel consumption Q
fuel
23.108 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.
XL
24
kW
A
52 dB
E-Tec Plus 28
XL
28
kW
55 dB
E-Tec Plus 33
E-Tec Plus 38
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E-Tec Plus 38
32
kW
54 dB
AA
A A A
XL
Yearly energy consumption for the heating function (QHE)
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)
Domestic hot water production yield (ηwh)
E-Tec Plus 28
44.1 GJ
27 kWh
17 GJ
93 %
87 %
Parameter Value
E-Tec Plus 33
51 GJ
29 kWh
17 GJ
93 %
87 %
E-Tec Plus 38
50 GJ
27 kWh
18 GJ
93 %
85 %
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