LG LS-H186TNA2 Service Manual page 17

• Tighten the flare nut with a wrench.
Wrench
Indoor unit tubing
Outside diameter
mm
Ø6.35
Ø9.52
Ø12.7
Ø15.88
Ø19.05
• When extending the drain hose at the indoor unit,
install the drain pipe.
Drain pipe
Adhesive
5. Wrap the insulation material around the con-
necting portion.
• Overlap the connection pipe insulation material
and the indoor unit pipe insulation material. Bind
them together with vinyl tape so that there is no
gap.
Plastic bands Insulation material
Open-end wrench (fixed)
Flare nut
Connection pipe
Torque
kg . m
inch
1/4 1.8
3.8 4.2
1/2 5.5
5/8 6.6
3/4 6.6
Indoor unit drain hose
Vinyl tape(narrow)
• Wrap the area which accommodates the rear pip-
ing housing section with vinyl tape.
Connection
pipe
Vinyl tape
(wide)
Connecting cable
Vinyl tape(narrow)
• Bundle the piping and drain hose together by
wrapping them with vinyl tape for enough to cover
where they fit into the rear piping housing section.
For left rear piping
1. Route the indoor tubing and the drain hose to
the required piping hole position.
2. Insert the piping, drain hose, and the connecting
cable into the piping hole.
Installation
Indoor
unit pipe
Wrap with vinyl tape
Pipe
Connecting
cable
Drain hose
Connecting cable
Drain pipe
Service Manual 17