Viessmann Vitodens 050-W Installation And Service Instructions Manual page 92

Specification
Gas condensing system boiler
Gas boiler, type B and C, category I
Type
Rated heating output range (details to
EN 15502)
T /T = 50/30 °C
F R
Natural gas
LPG
T /T = 80/60 °C
F R
Natural gas
LPG
Supply values
Relative to the max. load and 1013 mbar/15 °C
With gas
Natural gas E
Natural gas LL
LPG
Flue gas parameters
Temperature (at a return temperature of 30 °C)
At rated heating output
■
At partial load (individual connection)
■
Temperature (at a return temperature of 60 °C, for
DHW heating)
Temperature when overheating
Available draught
Available draught for B23P
Max. amount of condensate
To DWA-A 251
Condensate connection (hose nozzle)
Flue gas connection
Ventilation air connection
Standard seasonal efficiency [to DIN] at
T /T = 40/30 °C
F R
Energy efficiency class
Note
The supply values are only for reference (e.g. in the
gas contract application) or for a supplementary, rough
estimate to check the volumetric settings. Due to fac-
tory settings, the gas pressure must not be altered
from these values. Reference: 15 °C, 1013 mbar
(101.3 kPa).
92
(cont.)
/I
2N 2H
kW
kW
kW
kW
3
m /h
3
m /h
kg/h
°C
°C
°C
°C
Pa
mbar
Pa
mbar
l/h
Ø mm
Ø mm
Ø mm
%
B0HA
3.2 to 19.0
3.2 to 19.0
2.9 to 17.0
2.9 to 17.0
1.88
2.19
1.4
41
38
65
120
250
2.5
527
5.27
2.5
20 to 24
60
100
Up to 98 (H ) [gross cv]
s
A
3.2 to 25.0
3.2 to 25.0
2.9 to 22.5
2.9 to 22.5
2.48
2.88
1.83
46
38
67
250
2.5
698
6.98
3.3
20 to 24
60
100
A