Alpha E-Tec 20R - Page 45

45
Alpha E-Tec 15, 20, 25R - Energy Classification
Model(s): E-Tec 25R
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
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
24.1 kW
At rated heat output and high
temperature regime (*)
η
4
87.8 %
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
97.5 %
Auxiliary electricity consumption Other items
At full load el
max
0.027 kW Standby heat loss P
stby
0.090 kW
At part load el
min
0.016 kW Ignition burner power consumption P
ign
0.000 kW
In standby mode P
SB
0.006 kW Emissions of nitrogen oxides NO
X
32
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.
12.2 PRODUCT DATA SHEET (IN COMPLIANCE WITH REGULATION 811/2013)
E-Tec 15R
"! !
dB
kW
A
+++
A
++
A
A
B
C
D
+
A
+++
punto soluzioni srl ABC
54
34
15
kW
42 dB
E-Tec 20R
"! !
dB
kW
A
+++
A
++
A
A
B
C
D
+
A
+++
punto soluzioni srl ABC
54
34
20
kW
47 dB
E-Tec 25R
"! !
dB
kW
A
+++
A
++
A
A
B
C
D
+
A
+++
punto soluzioni srl ABC
54
34
24
kW
54 dB
E-Tec 25R
Parameter Alpha E-Tec 15R Alpha E-Tec 20R Alpha E-Tec 25R
Yearly energy consumption for the heating function (QHE) 47 GJ 63 GJ 44 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) 92 % 92 % 92 %
Domestic hot water production yield (ηwh) - - -
E-Tec 20R
E-Tec 15R
A
A A