Ducted air conditioning is surely the ultimate in comfort. The Fujitsu ducted models offer quiet, efficient operation, are easy to maintain, and operated via a wall mounted LCD control that controls all functions of the system. The Fujitsu ducted system has an automatic air flow adjustment feature, that allows the micro-processor to adjust the airflow to follow changes in room temperature when the auto mode is selected. The control port has external inputs and outputs contained within the product allow on/off control, fresh air interlock connection and heater bank element connection. With the ALL DC, electricity loss is decreased and power consumption reduced.