LG LUU246HV Manuel D'installation page 12

The indoor unit installation
2. Floor Standing type
200(7.9)
70 (2.8)
1. The mounting floor should be strong and solid
enough to prevent it from vibration.
2. Drill the piping hole with 70mm diameter hole-
core drill at either the right or the left of indoor
unit. The hole should be sightly slant to the
outdoor side.
3. Insert the plastic tube through the hole.
4. Cut the extruded outside part of the plastic
tube, if necessary.
12 Air Conditioner
70 (2.8)
Unit : mm (inch)
Plastic tube
(Bushing)
Wall
Core Drill
INSIDE
Wall
OUTSIDE
Tilt
Cut if necessary
More than
15mm(0.6 inch)