Samsung Slim Duct CNH LDB Series Technical Data Book page 21

6 6 . . El Electric ectrical al Wiring Diagr Wiring Diagram am
NOTE
This wiring diagram applies only to the Indoor unit.
Symbols show as follow :
blk: black, red: red, blu: blue, wht: white, yel: yellow, brn: brown, sky: skyblue: grn: green
For connection wiring indoor-outdoor transmission F1-F2, indoor-wired remote controller transmission F3-F4.
Protective earth(screw)