Viessmann Vitola 200 Technical Manual page 5

Technical data
Boiler Model
Flue gas *6 , temperature (gross)
H 104°F / 40°C boiler water temp.
H 167°F / 75°C boiler water temp.
Flue gas mass flow
Vent pipe
Boiler vent
Flue gas volume, boiler
Required flue draft *8 *9
*6
Combustion results are based on 11.0% to 13.0% CO
or 10.0% to 11.5% CO with propane, and a hot water heating system supply temperature of 167°F / 75°C, return 140°F / 60°C.
2
*7
Measured flue gas temperature with combustion air temperature of 68°F / 20°C.
*8
Ensure compatibility during burner selection.
*9
Ensure compatibility with chimney system. The chimney vent system must be suitable for the application (low flue gas temperature with
possible condensation), see page 10.
For information regarding other Viessmann System Technology componentry, please reference documentation of the respective product.
"
Model No.
*7 at
*9 °F
°C
°F
°C
lbs/h
kg/h
outer ∅ inches
USG
ltr
"w.c.
with fuel oil #2, 9.5% to 10.2% with natural gas,
2
VB2-18 VB2-22 VB2-33
293 293
145 145
329 329
165 165
68 84
31 38
5 5
10.3 14.0
39 53
-0.02 -0.02
Technical Data
VB2-40 VB2-50
293 293
145 145
329 329
165 165
123 150
56 68
6 6
20.6 29.1
78 110
-0.02 -0.02 -0.02
VB2-63
293 293
145 145
329 329
165 165
187 236
85 107
7 7
41.5 45.7
157 173
-0.02
5