LG Electronics LA090HPO, LA120HPO Wrap the insulation material around the connecting portion

Flaring work and connection of piping

Connecting the piping with the indoor unit and drain hose with drain pipe

1.Align the center of the pipings and sufficiently tighten the flare nut by hand.

2.Tighten the flare nut with a wrench.

Outside diameter		Torque
mm	inch	kgf.cm
Ø6.35	1/4	180~250
Ø9.52	3/8	340~420
Ø12.7	1/2	550~660

3.When extending the drain hose at the indoor unit, install the drain pipe.

Indoor unit tubing Flare nut Pipings

Spanner (fixed)

Flare nut

Torque wrench Connection pipe

Indoor unit tubing

Drain pipe

Indoor unit drain hose

Adhesive Vinyl tape(narrow)

Wrap the insulation material around the connecting portion.

1.Overlap the connection pipe insulation material and the indoor unit pipe insulation material. Bind them together with vinyl tape so that there may be no gap.

2.Wrap the area which accommodates the rear piping housing section with vinyl tape.

3.Bundle the piping and drain hose together by wrap- ping them with vinyl tape over the range within which they fit into the rear piping housing section.

Plastic bands Insulation material

Connection	Indoor
	unit pipe
pipe
Vinyl tape	Wrap with vinyl tape
(wide)
Connecting cable
	Pipe
	Vinyl tape(narrow)

Wrap with vinyl tape

Pipe

Vinyl tape(wide)

Drain hose

Service Manual 21