6
3 TECHNICAL DATA
Alpha InTec 40GS2 - Technical Data
3.1 TECHNICAL PERFORMANCE DATA - NATURAL GAS (Cat I2H 2H - G20 20 mbar)
Heat input gross - DHW
kW
Heat input gross - CH
kW
Heat input net - DHW
kW
Heat input net - CH
kW
Heat output condensing (50/30°C) - CH
kW
Heat output non condensing (80/60°C) CH kW
Heat output min. - CH
kW
Heat output nominal - DHW
kW
Heat output max. - DHW
kW
Gas rate at max. output
m³/h
Gas supply pressure
mbar
Max. CH temperature
°C
Gas burner injector diameter
mm
Differential burner pressure - min.
mbar
Differential burner pressure - CH
mbar
Differential burner pressure - DHW
mbar
DHW flow rate at 35°C rise
l/min
DHW flow rate at 30°C rise - EN13203-1
l/min
DHW flow regulator
l/min
Dry NOx weight
mg/kWh
Dry NOx
ppm
NOx Class
Factory set CO
2
CO
2
at maximum CH output
%
CO
2
at maximum DHW output
%
CO
2
at minimum output
%
CO weight (nominal)
mg/kWh
CO (max)
ppm
Maximum CO/CO
2
Ratio
SAP/SEDBUK seasonality efficiency 2005 %
SAP/SEDBUK seasonality efficiency 2009 %
EN13203/2 DHW efficiency
%
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)
Electrical power consumption - Max.
Watts
Electrical power consumption - Standby
Watts
Max. temperature of combustion products °C
Max. flue overheating temperature
°C
Ambient operating temperature
°C
Category
Type of installation
37.8
31.3
34.1
28.2
30.3
28.0
7.2
33.7
36.7
3.6
20
85
N/A
0.15
1.32
2.04
15.8
18.4
16
33
19
5
9.5
9.5 (± 0.3%)
8.7 (± 0.3%)
25
200
0.003
90.8
88.8
81
89 (XL)
92
2.5 (0.25)
0.5 (0.05)
1.0 (0.1)
3.0 (0.3)
8.0
1.0 (0.1)
95
6
75
120
-5 to +50
II 2H3P
C13, C33, C43, C53, C63
InTec 40GS2