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Fig. 73: Identifying Automatic Air Conditioning Box Function - Operating Condition Air Ducting Under Operating condition: HEATING Function When in heating mode, the blower motor (5) draws in fresh air (A) to the automatic air conditioning box and The dried, cooled and filtered air (B) is then heated up again in the hot heat exchanger (1). The warm air (C) is The fresh air/recirculated air flap (4) is closed. Operating condition: Air ducting in cooling mode
2001 Mercedes-Benz ML320 1998-2005 HVAC Climate Control - 163 Chassis
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