Viessmann Vitodens 200 Technical Manual page 177

Balanced flue wall bezel for interconnected air supply
(only for system size ∅ 80 mm)
10
250
Step in the balanced flue pipe
(e.g. in corbelled ducts)
(2 × 45º balanced flue bends)
Smallest offset (A)
100 mm for system size ∅ 80 mm (C = 222 mm)
120 mm for system size ∅ 100 mm (C = 308 mm):
Push two 45º balanced flue elbows into each other
and push into the balanced flue pipe
A
VITODENS
0.6
155
Offset
above 100 mm for system size ∅ 80 mm
above 120 mm for system size ∅ 100 mm:
Depending on the offset (dimension A), place one balanced flue
extension (dimension B) between both 45º balanced flue bends.
System size ∅ 60 mm
Offset A (mm) 150 200 250 300 350 390
Extension B (mm)
Height C (mm)
System size ∅ 80 mm
Offset A (mm) 150 200 250 300 350 390
Extension B (mm)
Height C (mm)
System size ∅ 100 mm
Offset A (mm) 200 250 300 350 390
Extension B (mm)
Height C (mm)
4.3 Flue gas system components
System Dimension
size [mm]
∅ mm a b
60 60 100
80 80 125
161 232 303 373 444 501
249 299 349 399 449 489
122 193 264 384 405 500
270 330 380 430 480 547
170 240 310 380 440
320 360 410 400 505
4
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