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COMPONENT PARTS HAC-23 < SYSTEM DESCRIPTION > [AUTO A/C (WITH HEAT PUMP)] C D E F G H J K L M A B HAC N O P • When the drive signal from the A/C auto amp. is input into the motor, the step motor inside the motor rotates by the number of steps corresponding to the drive signal and stops at the target door position. • The rotational movement of the motor is transmitted via the rod and lever to the air mix doors (upper air mix door, lower air mix door), changing the discharge air temperature. AIR MIX DOOR MOTOR DRIVE METHOD • The 4 drive coils are excited in sequence in order to drive the motor. • Direction of rotation is changeable by recomposing the pattern of excitation. A/C UNIT ASSEMBLY : Mode Door Motor INFOID:0000000010121735 DESCRIPTION • The step motor type motor is adopted for mode door motor. • When the drive signal from the A/C auto amp. is input into the motor, the step motor inside the motor rotates by the number of steps corresponding to the drive signal and stops at the target door position. • The rotational movement of the motor is transmitted via the rod, link, and lever to the mode doors (center ventilator, defrost door, sub-defrost door, side ventilator door, and foot door), changing the air outlets. MODE DOOR MOTOR DRIVE METHOD • The 4 drive coils are excited in sequence in order to drive the motor. • Direction of rotation is changeable by recomposing the pattern of excitation. A/C UNIT ASSEMBLY : Intake Door Motor INFOID:0000000010121736 • Intake door motor consists of a motor that drives the door and PBR (Potentiometer Balance Resister) that detects door position. • Motor operates according to drive signal from A/C auto amp. • Motor rotational movement is transmitted via the lever to the intake door, changing the air inlet. JSIIA1655GB JZIIA0033GB |