AUTOTERM PLANAR-2D-12/24, Installation Instructions Manual

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Both exhaust and intake pipes should be positioned
inclined downward from the heater (Fig.16). If this is not
possible, then a hole Ø3 mm should be made at the lowest
point to drain condensate.
Exhaust gas outlet and combustion air inlet should be
positioned in such a manner as to eliminate the possibility of
re-suction of exhaust gases
The air intake inlet and the outlet of the exhaust
pipe shall not face incoming air flow when the
vehicle is in motion (Fig.17).
When installing the heater inside van bodies
(insulated vans, box vans, etc.), the exhaust pipe
outlet and the air intake shall not be placed on
the opposite sides of the vehicle (Fig.18).
The correct installation of the exhaust and air intake
pipes is on one side. The distance between them should
exclude re-suction of exhaust gases through the air intake (at
least 200mm).
Under adverse conditions (strong wind, occasional
atmospheric pressure changes), failure to comply with these
recommendations not only prevents the discharge of exhaust
gases, but also creates an additional depression near the air
intake.
As a result, normal operation of the burner is impeded,
it gets clogged with soot, and the life of the heater shortens.
In rare cases, failure to comply with this
recommendation may lead to penetration of flame into the air
blower.