CLS 55 AMG (219.376) V8-5.5L SC (113.990) (2006)
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Switching refrigerant compressor (A9) on and off
The AAC control and operating unit takes over control of the following:
Via the Control Area Network bus, class B (interior compartment) (CAN B):
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Refrigerant compressor (A9) and heat exchanger shutoff motor (M16/32) by the driver-side SAM control unit with fuse and relay module (N10/1)
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Coolant circulation pump (M13) by the passenger-side SAM control unit (N10/1)
Via Controller Area Network bus class C (engine compartment) (CAN-C):
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Engine and AC electric suction fan with integrated control (M4/7) via the central gateway control unit (N93), by the CDI control unit (N3/9) (with
diesel engine) or the ME-SFI [ME] control unit (N3/10) (with gasoline engine)
Via local interconnect network (LIN):
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Blower regulator (A32n1)
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Fresh air/air recirculation flaps actuator motor (M2/5)
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Left blending air flap actuator motor (M2/6)
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Right blending air flap actuator motor (M2/7)
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Left and right footwell flaps actuator motor (M2/15
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Left and right defroster flaps actuator motor (M2/16)
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Center outlet flap actuator motor (M2/22)
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PTC heater booster (R22/3) (with diesel engine)
The following sensor signals are read in by the AAC control and operating unit:
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Directly:
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in-car temperature sensor (B10/4)
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evaporator temperature sensor (B10/6)
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Via LIN:
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air humidity sensor (B31/2)
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Via CAN-B by the driver-side SAM control unit:
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refrigerant pressure and temperature sensor (B12/2) (up to 31.5.05)
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refrigerant pressure sensor (B12) (as of 1.6.05)
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outside temperature display temperature sensor (B14)
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Via CAN-B
by the overhead control panel control unit (N70):
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in-car temperature sensor (N70b1)
Control possibilities
Left temperature selector wheel
Right temperature selector wheel
Turning each temperature selector wheel enables the specified temperature to be set for the left and right side.
Increase air volume button
Reduce air volume button
The air volume can be selected manually by actuating the appropriate button.
The selected setting is displayed by the respective LED in the air volume display lighting up.
Air distribution rocker
The air distribution can be set manually with the air distribution rocker. This is indicated by the respective LED lighting up on the air distribution
display.
The setting selected at the air distribution rocker is displayed by the respective LED lighting up in the air distribution display.
Automatic button
The air volume and air distribution are regulated automatically when the automatic button is pressed. When the automatic mod is activated, the indicator
LED comes on.
ON/OFF button