air inlet mode. MANUAL SINGLE ZONE AC. Motor. PartQualifier: air inlet mode. An Actuator used to control the hvac air inlet Door. HVAC Air Adjustment Control Motor. Switches modes for the blend Doors. HVAC Air Adjustment Control. HVAC Air Inlet. HVAC Blend. HVAC Mix. Mode. Temperature. Vacuum. Included with: Evaporator assembly.