Viessmann Vitodens 200 Technical Manual page 168

4.3 Flue gas system components
External wall components for routing over an external wall
External wall set
External wall bend A with air inlet B,
dual fem. coupling C and wall bezel D
System size ∅ 60 and 80 mm
b
B
a
b
D
c
System Dimension
size [mm]
∅ mm a b c
60 60 100 110
80 80 125 120
4
External wall bend (87º)
b
d
External wall bend (45º)
a
System Dimension
size [mm]
∅ mm a b c
*1
60
*1
80
100 110 150 40 170
*1
Use balanced flue components (see page 165).
168
System size ∅ 100 mm
A
System Dimension
size
[mm]
d e
∅ mm
110 250
120 250 100
External wall terminal
System Dimension
size [mm]
d ∅ mm
60
80
100
b
B
a
b
C D
A
c
a b c d e
110 150 295 170 165
b
a
a b c
60 100 110
80 125 110
110 152 85
External pipe
b
a
System Dimension
size [mm]
∅ mm a b c
*1
60
*1
80
100 110 150 40
External wall inspection piece
b
a
System Dimension
size [mm]
∅ mm a b c
*1
60
*1
80
100 110 150 40
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