Combustion Air Intake And Exhaust Pipes - Webasto Air Top 2000 STC Installation Instructions Manual

Combustion air intake and exhaust pipes

10 Combustion air intake and exhaust pipes
Both pipes must be installed falling away from the heater. If this is not
possible, make a ø 4 mm condensation drain hole at the lowest point.
Fig. 18: Prevent condensation forming
The pipes must not face in the direction of travel.
Fig. 19: Pipe ends not facing in direction of travel
The pipes must be arranged in such a way that it cannot become clogged
with dirt.
60
Fig. 20: Prevent pipes becoming clogged with dirt
ATTENTION:
Risk of fire if the exhaust pipe ends other than shown in Fig. 21!
Length of combustion air intake and exhaust pipe in total:
with silencer: max. 2.0 m
without silencer: max. 5.0 m
NOTE:
Exhaust pipes longer than 2 m must be insulated (to prevent dropping below
dew point)
Inside diameter of pipes:
Combustion air line: 22 mm
Exhaust pipe (metal): 22 mm
Smallest bending radius: 50 mm
Total bends:
combustion air line: max. 270°
Exhaust pipe: max. 270°
Air Top 2000 STC