HVAC 28 PINOUT Pin NO. Rotation from max Hot to max Cool Position Rotation from max Cool to max Hot Position 1 +Ve (Pot.) +Ve (Pot.) 2 Feedback Signal From pot. to Control Panel Feedback Signal From pot. to Control Panel 3 Ground (Pot) Ground (Pot) 4 NC NC 5 Motor +Ve Motor Grd. 6 Motor Grd. Motor +Ve MODE ACTUATOR The mode actuator is a high-torque, bi-directional actuator with position feedback and is used to control the position of air distribution flap, according to the mode set by the user. The outputs are fully compatible with all physical aspects of directly driving a motor such as the occurrence of transients at motor turn-off due to back EMF. The Mode control will be functional throughout the Ignition is On. Mode knob controls the servomotor. When the knob is turned from Chest/ Chest-Leg/Leg Mode to LegDefrost/ Defrost Mode, the Air Inlet door is moved to the Fresh Air Mode and Power A/C is selected. On turning the knob back to Chest/ Chest-Leg/Leg Mode from Leg Defrost/ Defrost Mode, the last selected settings are restored (provided that there has been no user intervention in between). The Mode knob Rotary ring Total Rotation Span is 270° with 5 detents, each of 67.5° (between detents), including both the end positions. The Position of the mode actuator is based on the Knob position of the Control Panel during the Ignition ON / OFF. PINOUT Pin NO. Rotation from Face to Def. Position Rotation from Def. to Face Position 1 Ground (Pot) Ground (Pot) 2 Feedback Signal From pot. to Control Panel Feedback Signal From pot. to Control Panel 3 +Ve (Pot.) +Ve (Pot.) 4 NC NC 5 Motor Grd. Motor +Ve 6 Motor +Ve Motor Grd.
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