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HAC-148 < SYSTEM DESCRIPTION > [MANUAL AIR CONDITIONING] COMPONENT PARTS • Direction of rotation is changeable by recomposing pattern of excitation. A/C UNIT ASSEMBLY : Blower Motor INFOID:0000000010432491 • Brush motor, that rotates coil while brush functions as contact points, is adopted for blower motor. • Rotation speed changes according to voltage from power transis- tor. A/C UNIT ASSEMBLY : Fan Control Amp. INFOID:0000000010499376 • Fan control amp., that uses MOS field effect transistor, is adopted for blower motor speed control. • Fan control amp. continuously controls voltage to blower motor, according to gate voltage from A/C amp. • This power transistor does not require a HI relay even when the maximum voltage is applied to blower motor at HI status, because voltage drop is nominal. JMIIA3565GB JMIIA3336ZZ JMIIA0793GB JMIIA1317ZZ |