Viessmann Vitodens 050-W Installation And Service Instructions Manual page 95

Gas condensing combi 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
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
■
Temperature (at a return temperature of 60 °C, for
DHW heating)
Temperature when overheating
Mass flow rate (for DHW heating)
Natural gas
At the max. rated heating output
■
At partial load
■
Available draught (with individual connection)
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).
Appliances for multiple connection of type B0KA-[kW]-M
*2
(cont.)
/I
2N 2H
kW
kW
kW
kW
3
m /h
3
m /h
kg/h
°C
°C
°C
°C
kg/h
kg/h
Pa
mbar
l/h
Ø mm
Ø mm
Ø mm
%
B0KA, BPKA
3.2 (7.0 ) to 19.0
*2
3.2 to 19
2.9 (6.3 *2 ) to 17.0
2.9 to 17
1.88
2.19
1.4
41
38
65
120
31.7
5.6 (9.8)
250
2.5
3.8
20 to 24
60
100
Up to 98 (H ) [gross cv]
s
A
Specification
3.2 (7.0 ) to 25.0
*2
3.2 to 25
2.9 (6.3 *2 ) to 22.5
2.9 to 22.5
2.48
2.88
1.83
46
38
67
41.6
5.6 (9.8)
250
2.5
4.4
20 to 24
60
100
A
95