AIR FLOW The air is drawn in through the inlet duct due to the suction created by the blower. The blower forces either the ambient air or the cabin air depending on the mode selected (Fresh Air mode or Recirculation mode) to flow over the evaporator which lowers the temperature of the ambient air. The incoming air also gets dehumidified as the moisture condenses when the air flows over the cold evaporator fins. This cold de-humified air is then mixed with the hot air (if required) to attain the temperature selected by the occupant; the mixing control is done by the heater door opening HVAC W/O ETC 8
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