Gas Condensing Combi Boiler - Viessmann Vitodens 300-W Technical Manual
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- Service manual (124 pages) ,
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Vitodens 200-W
(cont.)
Gas condensing combi boiler
Gas boiler, series B and C
Category II
2N3P
Type
Rated heating output range (details to EN 677)
T
/T
= 50/30 °C
F
R
T
/T
= 80/60 °C
F
R
Rated heating output range for DHW heating
Rated heat input
Product ID
IP rating
Gas supply pressure
Natural gas
LPG
Max. permissible gas supply pressure
Natural gas
LPG
Sound power level
(to EN ISO 15036-1)
At partial load
At rated heating output (DHW heating)
Power consumption
– In the delivered condition
– Max.
Weight
Heat exchanger capacity
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
Safety valve connection
Dimensions
Length
Width
Height
Gas connection
Standby instantaneous water heater
Hot and cold water connections
Permiss. operating pressure (DHW side)
Minimum pressure, cold water connection
Outlet temperature, adjustable
Continuous DHW output
Spec. flow rate
At ΔT = 30 K (to EN 13203)
Connection values
relative to max. load
With gas
Natural gas E
Natural gas LL
LPG P
*5
If the gas supply pressure is higher than the maximum permissible value, install a separate gas pressure governor upstream of the sys-
tem.
VITODENS
kW
kW
kW
kW
mbar
kPa
mbar
kPa
*5
mbar
kPa
mbar
kPa
dB(A)
dB(A)
W
W
kg
l
°C
l/h
l/h
l
bar
kPa
bar
MPa
Rp
mm
mm
mm
R
G
bar
MPa
bar
MPa
°C
kW
l/min
m
3
/h
m
3
/h
kg/h
B2KB
Values in ( ) when operating with LPG P
2.6 - 26.0
2.6 - 30.0
2.4 - 24.1
2.4 - 28.0
2.4 - 29.3
2.4 - 30.0
2.5 - 30.5
2.5 - 31.3
CE-0085CN0050
IP X4 to EN 60529
20
2
50
5
25.0
25.0
2.5
57.5
57.5
5.75
5.75
36
48
65
108
46
2.4
74
1400
1600
1018
1169
10
0.8
80
3
0.3
¾
375
450
800
½
½
10
1
1.0
0.1
30-57
30-57
29.3
30.0
14.0
14.3
3.23
3.31
3.75
3.85
2.38
2.45
1.8 (3.5) - 35.0
1.6 (3.2) - 32.5
1.6 (3.2) - 33.5
1.7 (3.3) - 34.9
20
20
2
2
50
50
5
5
25.0
2.5
2.5
57.5
5.75
36
36
52
52
82
95
119
123
45
48
2.8
2.8
74
74
1600
1361
10
10
0.8
0.8
80
80
3
3
0.3
0.3
¾
¾
375
375
450
450
800
800
½
½
½
½
10
10
1
1
1.0
1.0
0.1
0.1
30-57
33.5
16.0
3.69
4.30
2.73
VIESMANN
9
1
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