Cooling Air System; Installation - Webasto DUAL TOP RHA 100 Installation Instructions Manual

Cooling air system

10 Cooling air system
Cooling air is required to protect the heaters' electronics and motor against
overheating. Cooling air shall be taken from outside and not from inside
the vehicle. The air has to be discharged outside the vehicle.
The heater is equipped with a motor and a ventilator to transport the
cooling air. Besides this, it also provides the heater with combustion air.
This motor works independently from the hot air system that has an own
motor and ventilator.

10.1. Installation

Mount a grille on the cooling air inlet of the heater.
Also use a cooling air intake protector (optional item) depending on the
installation position.
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Fig. 17: Cooling air inlet on heater with
- protector and grille (left) or
- grille only (right)
Dual Top