Buderus 800 - Page 64

Appendix6
Wall-mounted condensing gas boiler Buderus 800 - Subject to modifications resulting from technical improvements!
64
Technical data - cont'd
Size Unit
800–24 800 – 24T25
H/V
800 – 29 800 – 29T25
H/V
800–43 800–60
Pipe connections
Gas [inch] R½ R½ R½ R½ R½ R¾
Flow & return [mm] Ø 28 Ø 28 Ø 28 Ø 28 Ø 28 Ø 28
Condensate water drain [mm] Ø32 Ø32 Ø32 Ø32 Ø32 Ø32
Flue gas values
Condensate water volume
natural gas H, 40/30 C
[
l
/
h
] 2.6 2.6 3.3 3.3 4.7 7.1
pH value condensate water approx. 4.1 approx. 4.1 approx. 4.1 approx. 4.1 approx. 4.1 approx. 4.1
Flue gas mass flow full load [
g
/
s
] 10.03 10.03 12.64 12.64 18.33 25.9
Flue gas temperature
Heating curve 40/30 °C
Heating curve 75/60 °C
[°C]
[°C]
45
65
45
65
45
65
45
65
45
65
45
65
CO
2
full load,
natural gas G20
[%] 9.2 9.2 9.2 9.2 9.2 9.3
Standard emission factor CO [
mg
/
kWh
] <15 <15 <15 <15 <15 <15
Standard emission factor NO
x
[
mg
/
kWh
] <20 <20 <20 <20 <20 <20
Free feed pressure of fan [Pa] up to 140 up to 140 up to 140 up to 140 up to 140 up to 140
Gasrate G20 [m
3
/h] 2.33 2.33 2.96 2.96 4.25 5.98
Flue gas system
Type of flue gas system B
23
, B
33
, C
13
, C
33
, C
43
, C
53
, C
73
depending on room air and independent of room air
Diameter of flue gas system
dependent on room air
independent of room air
[mm]
[mm]
80
80/125
concentric
80
80/125
concentric
80
80/125
concentric
80
80/125
concentric
80
80/125
concentric
80
80/125
concentric
Electrical data
Mains connection voltage [V] 230 230 230 230 230 230
Type of enclosure IP40 (B
xx
)
IP4X (C
xx
)
IP40 (B
xx
)
IP4X (C
xx
)
IP40 (B
xx
)
IP4X (C
xx
)
IP40 (B
xx
)
IP4X (C
xx
)
IP40 (B
xx
)
IP4X (C
xx
)
IP40 (B
xx
)
IP4X (C
xx
)
Power consumption
full load
partial load
[W]
[W]
120
60
120
60
130
70
130
70
180
85
200
100
Boiler dimensions and weight V H V H
Height
Width
Depth
[mm]
[mm]
[mm]
685
560
431
1250
560
431
685
900
431
685
560
431
1250
560
431
685
900
431
685
900
431
685
900
431
Weight without casing [kg] 41 71 66 48 77 70 53 61
Weight casing [kg] 11 14 11 11 14 11 11 11