| 摘要 |
An automobile air conditioning system supplies conditioned air to the passenger compartment of an automobile. The air conditioning system includes an evaporator for cooling the incoming flow of air and a heater core for heating the incoming air from said evaporator to a predetermined temperature. The air conditioning system also includes front and rear vent units for expelling conditioned air, and a control unit which includes a single mode selector for expelling heated air out the front vent unit and a dual mode selector for expelling heated air out both the front and rear vent units. A bypass for directly leading air from the cooling unit to the front vent unit is provided for the air conditioning system. The control unit opens the bypass when the single mode and maximum cooling mode are selected, and closes the bypass when the dual mode is selected.
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