LG ARWN072BA2 Installation Manual page 50

Electrical Wiring
Control Box and Wiring Location
- Unscrew all the screw, pull out the panel.
- Connect the transmission wire between outside unit and indoor unit,
the connection between outside unit and central controller system
pass through the sub PCB for central control.
- When connecting indoor unit with the shield cable, ground at the
grounding screw.
When connecting central controller with the shield cable, ground at
the grounding screw.
- Refer to next page about the distance between main power cable
and communication cable.
50 Outside Unit
Front Panel