Viessmann VITODENS 050-W Technical Manual page 9

Vitodens 050-W
(cont.)
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
Diaphragm expansion vessel
– Capacity
– Pre-charge pressure
Permiss. operating pressure
Connections (with connection accessories)
– Boiler flow and return
– Cold water and DHW
Dimensions
– Length
– Width
– Height
Gas connection
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)
Overheating temperature
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 factory settings, the gas pressure must
not be altered from these values. Reference: 15 °C, 1013 mbar
(101.3 kPa).
For specification of flue system C
Vitodens flue systems.
*2 Appliances for multiple connection of type B0KA-[kW]-M
VITODENS
/I
2N 2H
kW
kW
kW
kW
l
bar
kPa
bar
MPa
G
G
mm
mm
mm
R
3
m /h
m 3 /h
kg/h
°C
°C
°C
°C
kg/h
kg/h
Pa
mbar
l/h
Ø mm
Ø mm
Ø mm
%
, see technical guide for
10
B0KA, BPKA
*2
3.2 (7.0 ) to 19.0 3.2 (7.0
3.2 to 19
*2
2.9 (6.3 ) to 17.0 2.9 (6.3
2.9 to 17
8
0.75
75
3
0.3
¾
½
300
400
700
¾
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
B0KA
*2 3.2 to 32.0
) to 25.0
3.2 to 25 3.2 to 32.0
*2 2.9 to 29.3
) to 22.5
2.9 to 22.5 2.9 to 29.3
8
0.75 0.75
75
3
0.3
¾
½
300
400
700
¾
2.48 3.69
2.88 4.29
1.83 2.71
46
38
67
41.6 62.1
5.6 (9.8) 5.6 (9.8)
250
2.5 4.74
4.4
20 to 24 20 to 24
60
100
A
VIESMANN
1
8
75
3
0.3
¾
½
300
400
700
¾
59
38
72
474
4.9
60
100
A
9