Alpha E-Tec Plus 28NX - Technical Data

3 TECHNICAL DATA
Alpha E-Tec Plus 28NX, 33NX and 38NX - Technical Data
3.1 TECHNICAL PERFORMANCE DATA - NATURAL GAS (Cat I2H 2H - G20 20 mbar)
36.3
31.7
32.7
28.6
31.5
27.6
30.4
28.0
5.6
5.0
4.8
4.8
32.0
3.46
20 (17)
85
5.7
14.1
16.5
34.1
19.3
6
9.2 (9.1 - 9.5)
4.4 (3.9 - 4.6)
8.6 (8.3 - 8.7)
5.5 (5.3 - 6.0)
0.003
250
90.2
89.4
87 (XL)
94
2.5 (0.25)
0.5 (0.05)
1.0 (0.1)
3.0 (0.3)
8.0
1.0 (0.1)
115
3
73
120
-5 to 40
53
9
77
63
E-Tec Plus 28NX
E-Tec Plus 33NX
31.9
27.2
28.7
24.5
27.1
23.2
26.1
24.0
5.0
4.5
4.3
4.3
28.0
3.04
20 (17)
85
4.90
12.1
14.1
38.8
22.0
6
9.2 (9.1 - 9.5)
4.4 (3.9 - 4.6)
8.5 (8.3 - 8.7)
5.7 (5.3 - 6.0)
0.003
250
90.2
89.4
87 (XL)
94
2.5 (0.25)
0.5 (0.05)
1.0 (0.1)
3.0 (0.3)
8.0
1.0 (0.1)
95
3
79
120
-5 to 40
46
8
72
68
II 2H3P
C13, C33, C43, C63, C93
Heat input gross - DHW kW
Heat input gross - CH kW
Heat input net - DHW kW
Heat input net - CH kW
Heat input net DHW (H2NG) kW
Heat input net CH (H2NG) kW
Heat output condensing (50/30°C) - CH kW
Heat output non condensing (80/60°C) CH kW
Heat input minimum gross kW
Heat input minimum net kW
Heat input minimum net (H2NG) kW
Heat output minimum - CH kW
Heat output nominal - DHW kW
Gas rate at maximum output m³/h
Gas supply pressure nominal (minimum) mbar
Max. CH temperature - Set point °C
Gas burner injector diameter mm
DHW flow rate at 35°C rise l/min
DHW flow rate at 30°C rise - EN13203-1 l/min
Dry NOx weight (net calorific value) mg/kWh
Dry NOx ppm
NOx Class
Factory set CO
2
CO
2 at maximum DHW output %
O
2 at maximum DHW output %
CO
2 at minimum output %
O
2 at minimum output %
CO (maximum) ppm
Maximum CO/CO
2 Ratio
SAP/SEDBUK seasonality efficiency 2005 %
SAP/SEDBUK seasonality efficiency 2009 %
ErP DHW efficiency %
ErP Seasonal space heating efficiency %
Maximum primary system pressure bar (MPa)
Minimum primary system pressure bar (MPa)
Recommended system pressure - Cold bar (MPa)
System pressure relief valve setting bar (MPa)
Expansion vessel size litres
Expansion vessel charge pressure bar (MPa)
Electrical power consumption - Max. Watts
Electrical power consumption - Standby Watts
Temp. of combustion products at max. output 80/60°C °C
Maximum flue overheating temperature °C
Ambient operating temperature °C
Flue mass at maximum output Kg/h
Flue mass at minimum output Kg/h
Flue temperature at maximum output °C
Flue temperature at minimum output °C
Category
Type of installation
42.2
36.3
38.0
32.7
35.0
30.0
34.8
32.0
6.7
6.0
5.8
5.8
36.9
4.02
20 (17)
85
6.4
15.4
17.9
27.8
15.8
6
8.7 (8.6 - 9.0)
5.3 (4.8 - 5.5)
8.5 (8.2 - 8.6)
5.7 (5.5 - 6.2)
0.003
250
90.2
89.4
85 (XL)
94
2.5 (0.25)
0.5 (0.05)
1.0 (0.1)
3.0 (0.3)
8.0
1.0 (0.1)
125
3
83
120
-5 to 40
64
10
83
63
E-Tec Plus 38NX
6