Exhaust Line - Webasto DUAL TOP RHA 100 Installation Instructions Manual

Exhaust system

14.2. Exhaust line

As exhaust lines use flexible piping of stainless steel or rigid pipes of
stainless steel with a minimum wall thickness of 1.0 mm. The exhaust pipe
has to be connected to the heater using a Webasto exhaust clamp. An
exhaust assembly including a special bracket to mount the silencer on the
heater can be used.
Length of the exhaust line
in total (with silencer):
Internal diameter of the line
(stainless steel):
Minimum bending radius:
Total bends exhaust line:
• Max. one piece cast 90° elbow is allowed.
Pipes with more than one 90° bends are allowed.
See Fig. 31.
• The exhaust line should point from the heater downwards to let
condensation water escape (see Fig. 32). If this is not possible, a
condensate drain hole with a diameter of 4 mm must be drilled at its
lowest point.
• The line must not point to the front of the vehicle. See Fig. 34.
• Avoid the formation of an exhaust bag under the vehicle.
See Fig. 34.
32
• Discharge direction: 45 ~ 70°.
A fixing bracket is required no further than 150 mm from the end of
the exhaust pipe to ensure that the angle 45 ~ 70° is achieved.
IMPORTANT
If the exhaust pipe end is other than as shown, it will pose a fire risk.
See Fig. 34.
max. 3.0 m
• Assemble the line in such a way that it cannot set fire to anything.
22 mm • The line must be located so that it cannot become clogged with dirt or
snow.
See Fig. 33.
50 mm
• Make sure that the exhaust outlet is not positioned directly below a
max. 270° door, window and other ventilation openings and that exhaust fumes
will not be blown into a tent besides the vehicle.
• Exhaust outlet should be on the opposite side of the entrance door of
the living cell.
• Avoid that the exhaust pipe can touch ground or pavement, including
traffic calming measures.
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