Viessmann vitodens Technical Manual page 135

Components for installations on external walls
External wall set
External wall bend A with air inlet B,
double coupling C and wall bezel D
System size ∅ 60 and 80 mm
b
B
a
b
D
A
c
System Dimension
size [mm]
∅ mm a b c d
60 60 100 110 110
80 80 125 120 120
Balanced flue bend (87º)
b
d
Balanced flue bend (45º)
a
System Dimension
size [mm]
∅ mm a b c d
*1
60
*1
80
100 110 150 40 170
*1
Use balanced flue components (see page 133).
VITODENS
System size ∅ 100 mm
B
C D
System Dimension
size [mm]
e
∅ mm a
250
250 100 110 150 295 170 165
External terminal
b
a
System Dimension
size [mm]
∅ mm a
60 60 100
80 80 125
100 110 152
4.3 Flue gas system components
External pipe
b
a
b
A
c
System
size
b c d e ∅ mm
60
80
100
External inspection piece
System
size
b c ∅ mm
110 60
110 80
85 100
b
a
Dimension
[mm]
a b c
*1
*1
110 150 40
b
a
Dimension
[mm]
a b c
*1
*1
110 150 40
4
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