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2.3.1.7 Built-in Display Board
The standard indoor unit can be controlled by wired controller.
There is a display board with a receiver in the E-box. Move out the display, and fix it in other place,
even in the distance of 2m(6.56ft). The unit will realized remoter control.
The wired controller and the display board can display the error code or production code when the
chips detect some failure.