Webasto DUAL TOP RHA 100 Installation Manual page 27

Hot air system
• In case hot air hoses inside the interior are NOT running through closed
compartments or areas, cover them to prevent damaging the hose and
accidental touching.
• Secure the hoses at all connection points with hose clamps.
• Fasten the hoses to the wall or floor using hose clips.
NOTES
• The length of the hot air hoses from the heater to the first air outlet
(from each heater outlet) must be at least 0.80 m.
• At least two air outlets (one each per main hot air hose) must be
mounted at the same height. If possible, the air outlets with the short-
est hot air hose to the heater should be used.
• To keep heat loss to a minimum, the length of the hot air hoses routed
outside the passenger compartment should be as short as possible and
should be insulated.
• Hose routing: as straight as possible, large curves;
• Avoid compressing or pinching the hot air hoses;
• Not more than 30% of the total number of outlets shall be closable;
• Arrange outlets in such a way that they do not get blocked;
• Free flow into the interior enables the best interior heating and air cir-
culation;
• Position of the outlets close to the floor for best air circulation.
WARNING
Fire danger! Only use high temperature resistant Webasto hot air hoses.
The hot air opening is to be positioned in such a way that the air is not
blown on to any parts that cannot withstand the heat. Depending on the
length of the hot air hose, the blow-out temperature can be 120 °C (and
briefly even higher).
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