Alpha E-Tec Plus 28NX - Page 66

E-Tec Plus 28NX
12.2 PRODUCT DATA SHEET (IN COMPLIANCE WITH REGULATION 811/2013)
Alpha E-Tec Plus 28NX, 33NX and 38NX - Energy Classification
Model(s): E-Tec Plus 38NX
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
94 %
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
87.9 %
At 30% of rated heat output and low
temperature regime (**)
P
1
10.8 kW
At 30% of rated heat output and low
temperature regime (**)
η
1
98.5 %
Auxiliary electricity consumption Other items
At full load el
max
0.020 kW Standby heat loss P
stby
0.054 kW
At part load el
min
0.010 kW Ignition burner power consumption P
ign
0.000 kW
In standby mode P
SB
0.002 kW Emissions of nitrogen oxides NO
X
25
mg /
kWh
For combination heaters:
Declared load profile XXL Water heating energy efficiency η
WH
85 %
Daily electricity consumption Q
elec
0.184 kWh Daily fuel consumption Q
fuel
28.4 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.
E-Tec Plus 38NX
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 28NX
43 GJ
24 kWh
18 GJ
94 %
87 %
Parameter Value
E-Tec Plus 33NX
50 GJ
26 kWh
18 GJ
94 %
87 %
E-Tec Plus 38NX
58 GJ
41 kWh
23 GJ
94 %
85 %
E-Tec Plus 33NX
A
+
A
B
C
D
E
F
A
+++
A
++
A
+
A
B
C
D
Y
XL
24
kW
A
48 dB
A
E-Tec Plus 28NX
A
+
A
B
C
D
E
F
A
+++
A
++
A
+
A
B
C
D
Y
XL
28
kW
51 dB
A
A
E-Tec Plus 33NX
A
+
A
B
C
D
E
F
A
+++
A
++
A
+
A
B
C
D
Y
32
kW
54 dB
A
A
XXL
E-Tec Plus 38NX
66