Ford Falcon. Manual - part 301
412-02-8
Heating and Ventilation
412-02-8
DESCRIPTION AND OPERATION (Continued)
finer pollen filter is also available, as an accessory
Fresh/Recirculated air selector
item, from your Ford dealer.
Fresh or recirculated air is controlled by pressing the
NOTE: Extended operation of the climate control
recirculated mode button. Pressing the button will
system in a recirculated air mode may lead to a
alternate between fresh and recirculated air modes. A reduction in air quality in the cabin. The air in the
graphic indicating the selected mode will appear on
cabin should be periodically refreshed by selecting
the display.
fresh air settings.
In normal circumstances, the fresh air mode should
To clean the standard mesh filter, blow through mesh
be selected to maintain the quality of air inside the
with compressed air and wash with luke warm water.
vehicle and to prevent the build-up of stale air or
For the optional pollen filter (where fitted), the filter
odours, and to reduce windscreen misting.
cannot be washed. When serviced, the pollen filter
To prevent the ingress of dust, odours or fumes,
should be replaced. If the filter is blown through with
select the recirculated air mode. The recirculated air
compressed air, rather than replaced, the air quality
mode can also be used to allow the air conditioner to
and airflow quantity may be degraded.
more effectively cool the vehicle’s cabin. Do not use
the recirculated air mode if vehicle occupants are
HVAC Ducting
smoking as tobacco odours may remain.
The fresh air intake to the HVAC unit enters the
plenum chamber through the cowl grilles underneath
the windscreen wipers. The recirculated air intake to
the HVAC unit is inside the cabin behind the glove
box and directly below the LH plenum chamber. The
HVAC fresh air entry is attached to the plenum
chamber with a foam seal. Outlet air from the HVAC
unit can exit into the instrument panel duct, to the
floor vent outlets or to the floor console duct. The
HVAC unit is attached to the floor console duct with a
foam seal.
Between the HVAC unit and the firewall at the
locations where the heater and evaporator tubes pass
through, foam pads are fitted around the tubes to seal
the firewall openings.
Air Filtering
The air selector system is fitted with a fine mesh
particle filter to exclude leaf debris, dust and dirt. A
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