Viessmann Vitodens 050-W Installation And Service Instructions Manual page 91

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
Communication module (integral)
WiFi frequency band
Max. transmission power
Low power radio frequency band
Max. transmission power
Supply voltage
Power consumption
Electronic temperature limiter setting (TN)
Electronic temperature limiter setting
Electronic flue gas temperature limiter setting
Permissible ambient temperature
During operation
■
During storage and transport
■
Weight
Excl. heating water and packaging
■
Incl. heating water
■
Water capacity (excl. diaphragm expansion ves-
sel)
Max. flow temperature
Max. flow rate
(Limit for the use of hydraulic separation)
Nominal circulating water volume
At T /T = 80/60 °C
F R
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
(cont.)
/I
2N 2H
kW
kW
kW
kW
MHz
dBm
MHz
dBm
V
W
°C
°C
°C
°C
°C
kg
kg
l
°C
l/h
l/h
l
bar
kPa
bar
MPa
G
G
mm
mm
mm
R
Specification
B0HA
3.2 to 19.0
3.2 to 19.0
2.9 to 17.0
2.9 to 17.0
2400 to 2483.5
20
2400 to 2483.5
10
24
4
91
110
110
+5 to +40
-5 to +60
35
41
3.0
82
See residual head graph
752
8
0.75
75
3
0.3
¾
½
300
400
700
¾
3.2 to 25.0
3.2 to 25.0
2.9 to 22.5
2.9 to 22.5
35
41
3.0
82
988
8
0.75
75
3
0.3
¾
½
300
400
700
¾
91