7.2 Installation of the fresh air pipe
7 Installation instructions
In case of horizontal installation of the
defroster heating, a flammable pipe /
ventilation unit can be installed
downstream of the heater coil.
In case of vertical installation of the
defroster heating, a non-flammable
pipe with a minimum length of 300 mm
must be connected downstream of the
heater coil. The pipe must be provided
with non-flammable insulation.
Spiral duct
Defroster heating
Ventilation unit
profi-air iso pipe
≥
300mm
profi-air iso pipe
Defroster heating
Ventilation unit
Installation / operating instructions – defroster heating profi-air DN 125
8