LG ARUN040GSS5 Installation Manual page 30

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
30
Method of drawing out pipes on the bottom side
- Drawing out common pipe through base panel
Liquid pipe Gas pipe
Remove only liquid/gas pipe Knock out
Method of drawing out pipes on the rear side
- Proceed with the pipe work as shown in the below figure for rear side pie drawing out.
Pipe Knock Out for Liquid/Gas pipes
※Pictures may differ depending on the model.