Webasto Air Top Series Operating Instructions Manual - page 2
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10. The fuel specified by the vehicle manufacturer is suitable for use in an Air Top Series
Heater B (gasoline).
The diesel fuel specified by the vehicle manufacturer is suitable for use in an Air Top Series
Heater D (diesel).
There are no known negative influences due to fuel additives when used appropriately.
If fuel is extracted from the vehicle’s tank, follow the additive instructions issued by the
vehicle manufacturer.
If you change to low-temperature fuel, the heater must be operated for approx. 15
minutes so that the fuel system is filled with the new fuel.
11. The temperature in the area around the heater must not exceed 85 °C / 185° F (storage
temperature). If the temperature exceeds this level there is a risk of permanent damage
to the electronics systems.
12. Non-compliance with the installation instructions and the warnings contained therein will
lead to the exclusion of all liability by Webasto. The same applies if repairs are carried out
incorrectly or by untrained technicians or with the use of parts other than genuine spare
parts. This will result in the invalidation of the type approval for the heater unit.
13. Keep the hot air inlet and hot air outlet free of dirt and foreign bodies. Soiled or blocked
hot air lines may cause overheating.
14. To prevent mechanical parts seizing, the heater should be operated for approx. 20
minutes once a month.
15. Do not stand on the heater, do not place any items of clothing, textiles or similar materials
over the heater or in front of the hot air inlet and the hot air outlet.
16. The flow of hot air through the heater must not be restricted or blocked by highly
flammable substances or materials such as rags, cleaning wool, etc.
17. The heater must not be cleaned with a high pressure cleaner.