Vehicular air conditioner with manually operated bypass door operable only in full cool mode

A vehicular air conditioner comprising:

• automatic air conditioning control means for automatically generating a command to select at least one of a plurality of air outlets including first and second air outlets and a temperature of air blown out through said air outlets in accordance with vehicular thermal loads;
• means for cooling air inducted through an air inlet;
• means for heating air inducted through said air inlet in accordance with said selected temperature of the blown-out air;
• means for forming a first bypass air passage which communicates with said air inlet and which bypasses said heating means;
• means for forming a second bypass air passage which communicates with said air inlet and bypasses said heating means, said second bypass air passage being opened to a first position nearer to said first air outlet than a second position at which said first bypass air passage is opened;
• means for opening and closing said second bypass air passage respectively when receiving opening and closing commands;
• means for generating said opening and closing commands;
• means for selecting at least one of said air outlets including said first and second air outlets in response to said command of said automatic air conditioning control means;
• and
• means for closing said second bypass air passage regardless of generation of said opening command when at least said first air outlet is selected by said automatic air conditioning control means to supply air into a passenger compartment, and under a condition other than a full cool condition;
• wherein the means for opening said second bypass air passage is operable when at least said first air outlet is selected by said automatic air conditioning control means to supply cool air into said passenger compartment under said full cool condition.