LG Electronics LSN120HE, LSN090CE Wrap the insulation material around the connecting portion

Plastic bands

Connecting the pipings to the indoor unit and drain hose to drain pipe.

•Put a couple drops of refrigerant oil on the face of the flare before assembling taking care not to add any contaminants.

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

Wrap the insulation material around the connecting 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.

Insulation material

Indoor unit tubing Flare nut Pipings

• Tighten the flare nut with a wrench.

Indoor unit tubing

Connection pipe		Torque wrench
Flare nut
Spanner (fixed)
Outside diameter		Torque
mm	inch
Ø6.35	1/4	1.8
Ø9.52	3/8	4.2
Ø12.7	1/2	5.5
Ø15.88	5/8	6.6

•Mount the clamp on the boss with a type "B" screw.(SE-H/P: 9k, 12k C/O: 12k)

Type "B" screw	Drain hose
Clamp
Boss

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

Drain pipe

Indoor unit drain hose

Adhesive Vinyl tape(narrow)

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

Connection	Indoor
	unit pipe
pipe
Vinyl tape	Wrap with vinyl tape
(wide)

Connecting cable

Pipe

Vinyl tape(narrow)

•Bundle the piping and drain hose together by wrapping them with vinyl tape over the range within which they fit into the rear piping housing

section.

Wrap with vinyl tape

Pipe

Vinyl tape(wide)

Drain hose

For right rear piping

Route the indoor tubing and the drain hose to the required piping hole position.

Drain hose

22Room Air Conditioner