Chapter 4
Electrical Components and Wiring Diagrams
4-1
4-1-1
Outdoor Unit Control Box...................................................................................................................... 87
4-1-2
Transformer Box ................................................................................................................................... 89
4-2
4-2-1
Control Board........................................................................................................................................ 90
4-2-2
4-2-3
INV Board ............................................................................................................................................. 92
4-2-4
Fan Board ............................................................................................................................................. 94
4-2-5
Noise Filter............................................................................................................................................ 96
4-3
4-4
4-5
4-5-1
BC Controller Control Box................................................................................................................... 101
4-6
4-6-1
BC Board ............................................................................................................................................ 102
4-6-2
Four-Relay Board................................................................................................................................ 103
4-6-3
Ten-Relay Board................................................................................................................................. 103
4-7
HWE13080
- 85 -
GB