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Chapter 4 Electrical Components And Wiring Diagrams - Mitsubishi Electric PURY-HP72 Service Handbook

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Table of Contents
Chapter 4
Electrical Components and Wiring Diagrams
4-1
Outdoor Unit Circuit Board Arrangement......................................................................................... 87
4-1-1
Outdoor Unit Control Box...................................................................................................................... 87
4-1-2
Transformer Box ................................................................................................................................... 89
4-2
Outdoor Unit Circuit Board Components ......................................................................................... 90
4-2-1
Control Board........................................................................................................................................ 90
4-2-2
M-NET Board (Transmission Power Supply Board) ............................................................................. 91
4-2-3
INV Board ............................................................................................................................................. 92
4-2-4
Fan Board ............................................................................................................................................. 94
4-2-5
Noise Filter............................................................................................................................................ 96
4-3
Outdoor Unit Electrical Wiring Diagrams ......................................................................................... 98
4-4
Transmission Booster Electrical Wiring Diagrams ....................................................................... 100
4-5
BC Controller Circuit Board Arrangement ..................................................................................... 101
4-5-1
BC Controller Control Box................................................................................................................... 101
4-6
BC Controller Circuit Board Components...................................................................................... 102
4-6-1
BC Board ............................................................................................................................................ 102
4-6-2
Four-Relay Board................................................................................................................................ 103
4-6-3
Ten-Relay Board................................................................................................................................. 103
4-7
BC Controller Electrical Wiring Diagrams ...................................................................................... 104
HWE13080
- 85 -
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