Manual

23
Caution!
Safety instructions for the combustion
air system!
The combustion air opening must be free at all
times.
• Position the combustion air intake to be sure that
exhaust fumes cannot be sucked in with the
combustion air.
Do not arrange the combustion air intake to pointing
against the wind blast.
The combustion air intake must not get clogged with
dirt and snow.
• Install the combustion air intake system sloping
slightly downwards. If necessary, make a drain hole
approx. Ø 5 mm at the lowest point to drain off
condensation.
Combustion air system
Mounting the combustion air system
The universal installation kit includes a flexible
combustion air hose, inner Ø 25 mm , 100 mm long.
If necessary the flexible combustion air hose can be
shortened by 20 cm or lengthened by max. 2 m
depending on the installation conditions.
Fasten the combustion air hose to the heater with
a pipe clip and at suitable points with hose clips or
cable ties.
The installation kit for camper heaters includes a
combustion air intake silencer with a flexible
connection hose (inner diameter 25 mm).
Fasten the flexible connection hose to the heater with
a pipe clip and fasten the combustion air intake
silencer with hose clips or cable ties at suitable points.
After finishing the work, put an end sleeve on the
combustion air hose or combustion air silencer.
Combustion air hose, di = 25 mm
Combustion air silencer,
included in scope of supply for AIRTRONIC
camper heaters
– optional (not included in scope of supply for
AIRTRONIC and AIRTRONIC M heaters)
Exhaust pipe, de = 24 mm
Exhaust silencer
Intake/outlet opening –
protect from wind, snow, dirt and water.
End sleeve, combustion air
End sleeve, exhaust
Combustion air connection
Exhaust connection
Installation
3
Please note!
min. 0,2  max. 2 m
min. 0,2  max. 2 m
For AIRTRONIC and AIRTRONIC M heaters a combu-
stion air intake silencer can be fitted instead of the
combustion air hose to reduce the noise level. The
order number is stated in the Accessories Cata-
logue.
• Comply with the regulations and safety instructions
for this chapter on page 4 – 7.