1997 MERCEDES-BENZ ML350 Complete Repair Manual

Page 3313 of 4133

MERCEDES-BENZ ML350 1997  Complete Repair Manual Operating condition: Air ducting in heating mode
Fig. 60: Identifying Evaporator Housing Function 
- Operating Condition Air Ducting In Heating Mode 
Operating condition: HEATING Function  
In the hea

Page 3314 of 4133

MERCEDES-BENZ ML350 1997  Complete Repair Manual Fig. 61: Identifying Evaporator Housing Function - Operating Condition Air Ducting In Cooling Mode) 
Operating condition: cooling Function  
In the cooling operating status, the fresh air (A) is drawn

Page 3315 of 4133

MERCEDES-BENZ ML350 1997  Complete Repair Manual Fig. 62: Identifying Evaporator Housing Function - Operating Condition Blend Air Ducting 
(Warm/Cold) Closed-Loop Operation 
Operating condition: Blend air (warm/cold) Function  
In the blend air oper

Page 3316 of 4133

MERCEDES-BENZ ML350 1997  Complete Repair Manual Fig. 63: Identifying Evaporator Housing Function - Operating Condition Air Ducting Recirculation Air 
In Cooling Mode) 
Operating condition: Cooling down "recirculation air" Function  
In the cooling

Page 3317 of 4133

MERCEDES-BENZ ML350 1997  Complete Repair Manual Blending air flap actuator  
Recirculated air flap actuator motor  
Electric heater booster (for engine 612.963 only) and therefore forms a complete unit.  
The evaporator housing distributes

Page 3318 of 4133

MERCEDES-BENZ ML350 1997  Complete Repair Manual Fig. 65: Identifying Fresh Air/Recirc ulated Air Flap Actuator Motor 
FRESH AIR/RECIRCULATED AIR FLAP ACTUATOR MOTO R, FUNCTION - GF83.30-P-2105-02GH 
Function   
The fresh air/recirculated air flap a

Page 3319 of 4133

MERCEDES-BENZ ML350 1997  Complete Repair Manual Control of fresh air/recirculated air flap via the AAC push-button control module (N22)  
When the recirculating air push-button is pressed (  ) on the AAC push-button control module the system is 
sw

Page 3320 of 4133

MERCEDES-BENZ ML350 1997  Complete Repair Manual The liquefied refrigerant is routed under pressure into the fluid reservoir and flows through a stainless steel 
meshing to the filter block. The pores in the filter block are matched precisely to the