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5.3 Printed Circuit Board
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Schematic Diagram
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1 Interface of neutral wire
2 Transformer input
3 Interface of PG motor
4 Auto button
5 Feedback from PG motor
6 Up&Down swing
7 Jumper cap
8 Indoor temperature sensor
9 Pipe temperature sensor
10 DISP-1, DISP-2 display interface
11 Protective tube
12 Communication interface
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