Gree GUD35ZD/A-T Owner's Manual page 46

DC Inverter U-match Series Floor Ceiling Type Unit
Wire routing of unified power supply for single phase
b)
The communication wire
gets in from the upper
hole
The power cords of outdoor unit
and indoor unit get in from the
lower hole.
The communication wire
gets in from the upper hole
The power cords of outdoor unit and
indoor unit get in from the lower hole.
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