Webasto Air Top Evo 40 Einbauanweisung Seite 79

Exhaust gas
Fig. 22 Preventing contamination
The opening of the exhaust line must be installed so as to prevent clog-

ging due to dirt.
NOTE:
The exhaust pipe must not be routed through the passenger
compartment.
NOTE:
Exhaust gas must be prevented from entering the combustion
air.
NOTE:
The maximum total combined length of the combustion air
intake pipe and the exhaust pipe must not exceed:
With exhaust silencer: 2.0 m

Without exhaust silencer: 5.0 m

See also Chapter 7, "Combustion air supply".
74
Air Top Evo 40 / Air Top Evo 55
8.2. Notes on the exhaust pipe
The exhaust pipe must be secured to the heater with an appropriate clamp
for this pipe.
To prevent falling below the dew point, suitable insulation can be fitted.
Characteristics of the exhaust pipe
IMPORTANT
Risk of confusing the exhaust pipe with the combustion
air pipe!
Damage to the combustion air pump cable
 Attach the exhaust pipe only to the exhaust connection
piece
Exhaust pipe
Inner diameter
Minimum bending radius
Max. sum of all bends
Minimum length
Exhaust silencer
The heater may also be operated without an exhaust silencer.
Install the exhaust silencer as close as possible to the heater.

During installation, pay attention to the correct installation position (see
Fig. 23 and Fig. 24).
The flow direction is arbitrary.
Value
24 mm
50 mm
270°
0.5 m