Viessmann Vitodens series Technician Manual page 41

Design and sizing information for connection on the flue gas side
Vitodens installed as a block 45 - 105 kW
1500
700
7
3
2 2
2
4
100
1 Flue gas header Ø 150, 200 or 250 mm
2 Flue gas non-return device Ø 80 or 100 mm
3 End piece with condensate drain
4 Siphon with hose
Header a
7 mm mm
150 196
200 502
250 532
Route the flue gas header with a fall of at least 3º.
VITODENS
a
1
2
5 6
b c
mm mm
146 176
146 176
215 245
5 Inspection piece Ø 150, 200 or 250 mm
6 Vent bezel
7 Brackets with suitable fixing materials
d e
mm mm
— —
— —
275 305
The flue gas non-return devices will have to be trimmed accordingly.
(cont.)
f g
mm mm
1700 202
1700 352
1750 422
VIESMANN
41
2