Chapter 4 Electrical Components And Wiring Diagrams - Mitsubishi Electric PUHY-P250YNW-A Service Handbook

Chapter 4 Electrical Components and Wiring Diagrams
4-1 Circuit Board Arrangement.................................................................................................................. 1
4-1-1 Outdoor Unit Control Box........................................................................................................................ 1
4-1-2 Indoor Unit Control Box........................................................................................................................... 4
4-2 Circuit Board Components .................................................................................................................. 5
4-2-1 Outdoor Unit Control Board .................................................................................................................... 5
4-2-2 Outdoor Unit Power-supply board (PS Board)........................................................................................ 6
4-2-3 Outdoor Unit Inverter Board (INV Board)................................................................................................ 7
4-2-4 Outdoor Unit Fan Board.......................................................................................................................... 8
4-2-5 Outdoor Unit Noise Filter ........................................................................................................................ 9
4-2-6 Indoor Unit Control Board ..................................................................................................................... 10
4-2-7 Indoor Unit External Input/Output Circuit Board.................................................................................... 11
4-3 Electrical Wiring Diagrams ................................................................................................................ 12
4-4 Transmission Booster Electrical Wiring Diagrams ......................................................................... 15
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