Test prerequisites
Check wheel suspension, wheel bearing assembly and steering
for excessive play and damage.
Tread depth difference of no more than 2 mm on one axle.
Tyres inflated to correct pressures.
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Coming Home and Leaving Home functions (orientation lighting)
First read and observe the introductory information
and safety warnings The Coming Home function is switched on manually. However,
the Leaving Home function is controlled automatically by a twilight sensor.
Coming Home
Action
Switching on
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Principle circuit diagrams for various purging circuits
Note
The arrows in the following illustrations show the direction
of flow of the refrigerant during purging. The refrigerant flows
against the direction of flow during normal conditioning of the
air, which is why the high-pressure system o ...