Porsche Workshop Service and Repair Manuals

Housing Assembly HVAC: Locations

Component Arrangement

Component Arrangement

Function, Individual Components

1. Heating/air-conditioning unit

The heating/air-conditioning unit includes:
-

Heat exchanger (to heat the air)

-

Temperature mixing valve
(to control the interior temperature)

-

Central valve (to control the air flow)

-

Outside air / recirculation valve
(to compensate for the dynamic pressure, or recirculation control)

-

Fresh-air blower

-

Outside sensor