Baxi 424 Combi 2 Installation And Service Manual page 15

Tab.7 Characteristics of the heating circuit
Maximum pressure
Minimum pressure
Temperature range for heating circuit
Water capacity of expansion vessel
Tab.8 Characteristics of the domestic water circuit
Minimum pressure
Maximum pressure
Minimum dynamic pressure
Minimum water flow
Specific flow (D)
Temperature range for domestic water circuit
Domestic water production with ΔT = 25 °C
Domestic water production with ΔT = 35 °C
Tab.9 Combustion characteristics
G20 gas consumption (Qmax)
G20 gas consumption (Qmax) with domestic hot water tank
G20 gas consumption (Qmin)
G31 propane gas consumption (Qmax)
G31 propane gas consumption (Qmin)
Diameter of separate discharge pipes
Diameter of coaxial discharge pipes
Flue gas mass flow rate (max)
Flue gas mass flow rate (max) with domestic hot water tank
Flue gas mass flow rate (min)
Tab.10 Electrical characteristics
Power supply voltage
Power supply frequency
Rated electric power
Rated electrical output with domestic hot water tank
Tab.11 Other characteristics
Humidity protection rating (EN 60529)
Net weight when empty/filled with water
Dimensions (height/width/depth)
bar
bar
°C
l
bar
bar
bar
l/min
l/min
°C
l/min
l/min
Dynamic (nominal) inlet pressure (Natural gas — G20) 20mbar with a CV of 37.78 MJ/m
3
m
3
m
3
m
kg/h
kg/h
mm
mm
kg/sec
kg/sec
kg/sec
V
Hz
W
W
IP
kg
mm
424
2.5
0.5
25 - 80
7
424
0.8
8.0
0.15
2.0
11.5
35 - 60
13.8
9.8
424
2.61
/h
–
/h
0.52
/h
1.92
0.38
80/80
60/100
0.011
–
0.002
424
230
50
90
–
424
X5D
28/30
700/395/285
3 Technical specifications
430
2.5
0.5
25 - 80
7
430
0.8
8.0
0.15
2.0
14
35 - 60
16.7
11.9
3
430
3.17
-
0.63
2.33
0.47
80/80
60/100
0.014
-
0.003
430
230
50
90
-
430
X5D
29/31
700/395/285
Combi 2 15