SL 500 (230.475) V8-5.0L (113.963) (2004)
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Housing Assembly HVAC: Description and Operation
GF83.40-P-2105-03R Automatic Air Conditioning Box, Purpose
GF83.40-P-2105-03R Automatic Air Conditioning Box, Purpose
- with CODE (581) Automatic air conditioning
The automatic air conditioning box houses the following components
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All-purpose filter (2)
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Evaporator (3)
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Heating system heat exchanger (4)
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Fresh air/recirculated air flap (5)
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Center vent air flaps (6)
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Defroster vent air flaps (7)
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Footwell air flaps (8)
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Blending air flaps (9)
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Side vent air flaps (10)
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Blower motor (A32m1)
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Expansion valve
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Air flap actuator motors
and therefore forms a complete unit.
The automatic air conditioning box distributes the air that is required to ventilate the vehicle to the relevant air ducts and vents depending on the preset
interior temperature.
The air ducting depends on various operating conditions such as:
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Heating mode
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Cooling mode
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Blended air mode
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Normal mode
