Viessmann Vitodens 200 Technical Manual page 148

4.2 Design and sizing information for connection on the flue gas side
Adaptor for system 80/125 to system 60/100 and 70/110
80/125
80/125 80/125 80/125 80/125 80/125 80/125 80/125
60/100
60/100 60/100 60/100 60/100 60/100 60/100 60/100
Max. total length of the flue pipe
Vitodens 200
Rated output range
4
Max. length
Vitodens 300
Rated output range
Max. length system size 60
Max. length system size 80
Max. length system size 100
Vitodens 333
Rated output range
Max. length system size 80
Vitodens 343
Rated output range
Max. length system size 60
Allowed for: 2 x 87º bends
(incl. support bends)
or 3 x 45º bends,
and 2.5 m length of union D.
148
Rated output
qR Universal roof tile
H for roof tile cover
Colour black
Colour terracotta
H for plain tile, slate and other covers
Colour black
Colour terracotta
Pipe outlet for Klöber roof tiles
Colour black or terracotta
(provide the appropriate Klöber roof
tile on site when selecting a roof
outlet which matches the roof cover)
External extension
with clamp (on-site ties)
Colour black
0.5 m long
1 m long
Colour terracotta
0.5 m long
1 m long
Balanced flue adaptor
H ∅ 80/125 mm to ∅ 60/100 mm
H ∅ 60/100 mm to ∅ 80/125 mm
H ∅ 80/125 mm to ∅ 70/110 mm
H ∅ 70/110 mm to ∅ 80/125 mm
kW
m
kW 4.2 13.0
m 12
m
m
kW
m
kW
m
For a different number of elbows, deduct
from or add to the given max. length 1 m
for 87º elbows or 0.5 m for 45º elbows.
For a different length of union D deduct
or add the difference.
kW
8.8 20.0
13
6.6 26.0 8.7 35.0 12.2 49
15 12
4.2 13.0
8
Example:
Vitodens 300, 6.6 kW 26.0 kW, with 3 x 87º
bends and 3 m length of the union D:
Deduct 1 m for the bend and 0.5 m for the
union from the max. flue pipe length of
15 m.
Consequently, the max. length would be
13.5 m.
13 26 35 49 66
60 80 100
60 80 100
60 80 100
60 80 100
60 80
Part no.
7176 741 7147 626
7176 742
7176 743 7147 627
7176 744
System size
∅ mm
60 80
60 80
80
80
8.8 26.0
15
16.6 66
12 12
6.6 26.0
15
4.2 13.0
12
VITODENS