Improper installation or repair of Webasto heating and cooling systems can cause fire or the leakage of deadly. Timer, or an Air Top Evo Multi Control (MC04).
Operating and servicing instructions Air Top 3500 Air Top 5000 General information The heater must not be operated: Webasto AG Kraillinger Strasse 5 - 82131 Stockdorf Dear Webasto user We presume that the principle and mode of operation of your new heater has been explained to your complete satisfaction by the workshop / service centre which installed the heater. This manual summarizes the main points of importance for using the heaters Air Top 3500 and Air Top 5000. Maintenance and safety instructions Ident-Nr. 9011433A 05/0406 The Air Top 3500 / Air Top 5000 heater has been type-tested and approved in accordance with EC Directives 72/245/EEC (EMC) and 2001/56/EC (heater) with the following EC permit numbers: e1*72/255**-e1*20*-e1*20*-NOTE: The provisions of these Directives are binding within the territory governed by EU Directive 70/156/EEC and should similarly be observed in countries without specific regulations! 
The heaters must be installed as described in the installation instructions.
The installation must be tested in compliance with the statutory regulations for the installation. For further details refer to the installation instructions. The year in which the heater was used for the first time must be permanently displayed on the factory plate be deleting the inapplicable years from the plate. The heaters are not designed for heating hazardous substance transport compartments. To install the Air Top 3500 and Air Top 5000 heater in hazchem vehicles, the requirements of ADR/RID part 9 para. 9.2.4.7 Combustion heating systems, must also be satisfied. Keep the hot air inlet and hot air outlet free of dirt and foreign bodies.
Contaminated or blocked hot air lines may cause overheating and thus result in the overheating cut-out tripping. Do not stand on the heater and do not place any heavy items on the heater or throw items at 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. The current of hot air in the heater must not be restricted or blocked by highly inflammable substances or materials such as rags, cleaning wool, etc.!
Risk of explosion and asphyxiation D n n n at filling stations or tank farms. In places where inflammable vapours or dust may form (for example near fuel, coal, wood dust or cereal stores). In enclosed areas (for example garages), not even if you use the timer or Telestart. The heater must not: n n be exposed to temperatures over +85°C. If it is exposed to temperatures above this level the electronics may suffer permanent damage.
Be cleaned using a high pressure cleaner. The heater must: n G n n be operated using the diesel fuel prescribed by the vehicle manufacturer. Class EL heating oil (not L heating oil) may also be used as long as it complies with the normal quality available on the German market pursuant to DIN 51603. We know of no negative influences due to additives. 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. Be shut down by removing the fuse if lots of smoke, unusual combustion noise or a smell of fuel develops.
Do not restart it until the heater has been tested by Webasto-trained personnel. Be started at least one per months with a cold engine and at the lowest blower setting for 10 minutes.
The heater must be checked by an expert at the latest at the start of the cold weather. Liability claims: n n Failure to follow the installation instructions and the notes contained therein will lead to all liability being refused by Webasto. The same applies if repairs are carried out incorrectly or with the use of parts other than genuine spare parts.
Scm xilog 3. This will result in the invalidation of the type approval for the heater and therefore of its homologation / EC type licence. Liability claims will only be accepted if the claimant can verify that he has complied with the servicing and safety instructions.
The heat exchanger in the air heater can be used for a maximum of 10 years and must then be replaced by the manufacturer or one of its contract workshops using a genuine spare part. If exhaust lines pass through areas used by personnel they must also be replaced by genuine spare parts after 10 years. Control element! Changes to the settings on the control element are implemented after a delay. Rotary knob for: - Switching on and off - Setting the room temperature - Resetting after a fault cut-out Indicator / Error code display To switch on Set the rotary knob on the control element to the required temperature. To prevent the hot and combustion air fan from blocking or scraping, ensure that there are no objects on or against the heater before you switch it on. NOTE for ADR operation only:!