Alpha 47 532 69 - Technical Data

3 TECHNICAL DATA
Alpha E-Tec 28 and 33 - Technical Data
3.1 TECHNICAL PERFORMANCE DATA - NATURAL GAS (Cat I2H 2H - G20 20 mbar)
36.2
31.7
32.6
28.6
31.3
27.0
29.7
28
5.7
5.1
4.9
32
3.45
20
85
5.75
14.1
16.5
30
17
6
9.5
3.9
9.5 (±0.2%)
3.9 (+0.3/-0.2%)
8.6 (+0.2/-0.3%)
5.5 (+0.5/-0.4%)
450
0.004
90.2
89.0
87 (XL)
93
2.5 (0.25)
0.5 (0.05)
1.0 (0.1)
3.0 (0.3)
8.0
1.0 (0.1)
105
2
75
120
-5 to +50
II 2H3P
Heat input gross - DHW kW
Heat input gross - CH kW
Heat input net - DHW kW
Heat input net - CH kW
Heat input net DHW (G20Y20) kW
Heat input net CH (G20Y20) 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 output minimum CH kW
Heat output nominal DHW kW
Gas rate at maximum output m³/h
Gas supply pressure mbar
Maximum 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 CO2
CO2 at maximum CH output %
O2 at maximum CH output %
CO2 at maximum DHW output %
O2 at maximum DHW output %
CO2 at minimum output %
O2 at minimum output %
CO (maximum) ppm
Maximum CO/CO2 Ratio
SAP/SEDBUK seasonality efficiency 2005 %
SAP/SEDBUK seasonality efficiency 2009 %
ErP DHW efficiency %
ErP Seasonal space heating efficiency %
Max. primary system pressure bar (MPa)
Min. 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)
Maximum electrical power consumption Watts
Standby electrical power consumption Watts
Maximum temperature of combustion products °C
Maximum flue overheating temperature °C
Ambient operating temperature °C
Category
Type of installation
E-Tec 28
E-Tec 33
32.0
27.3
28.8
24.6
26.4
22.6
26.1
24.1
5.0
4.5
4.3
28.3
3.05
20
85
4.90
12.1
14.1
35
20
6
9.7
3.5
9.7 (+0.5/-0.2%)
3.5 (+0.4/-0.6%)
8.8 (+0.2/-0.3%)
5.2 (+0.5/-0.3%)
450
0.004
90.2
88.9
87 (XL)
93
2.5 (0.25)
0.5 (0.05)
1.0 (0.1)
3.0 (0.3)
8.0
1.0 (0.1)
80
2
75
120
-5 to +50
II 2H3P
C13, C33, C43, C53, C63, C83, C93
3.2 TECHNICAL PERFORMANCE DATA - LPG - PROPANE GAS (Cat I3P 3P - G31 37 mbar)
Note: OtherTechnical data is the same as NG data.
Heat input gross DHW kW
Heat input gross CH kW
Heat input minimum gross kW
Gas supply pressure mbar
Gas burner injector mm
CO2 at maximum CH output %
CO2 at maximum DHW output %
CO2 at minimum output %
Gas rate at maximum output kg/h (g/s)
31.3
26.7
4.9
37
3.80
11.4
11.4 (+0.1/-0.3)
10.6 (+0.3/-0.1)
2.24 (0.62)
35.4
31.1
5.5
37
4.30
11.2
11.2 (+0.2/-0.4)
10.0 (+0.4/-0.2)
2.53 (0.7)
E-Tec 28 E-Tec 33
5