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Combustion air inlet and exhaust lines
10
Combustion air inlet and exhaust lines
Both lines are to be installed falling away from the heater. If this is not
possible, a condensate drain hole with a diameter of 4 mm must be
made at its lowest point.
Fig. 18: Prevent the formation of condensate
The lines must not point to the front of the vehicle.
Fig. 19: The lines must not end pointing towards the front of the
vehicle
The lines must be located so that they cannot become clogged with dirt.
54
Air Top 3500 / Air Top 5000
Fig. 20: Avoid the air outlet area
IMPORTANT
If the exhaust pipe ends is other than as shown in the Figure 21 it will
pose a fire risk!
Length of the combustion air inlet and exhaust lines in total:
With exhaust silencer:
max. 2.6 m
Without exhaust silencer:
max. 5.6 m
NOTE:
If the exhaust line is over 2 m in length, insulated lines must be used
(to prevent falling below the dewpoint)
Internal diameter of the lines:
Combustion air line:
25 mm
exhaust line (metal):
24 mm
Minimum bending radius:
50 mm
Total bends:
Combustion air line:
max. 270°
Exhaust line:
max. 270°
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