LG LP-8091PC, Service Manual

Page: 15 / 52

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➀
Cut the pipes and the cable
• Use the accessory piping kit or the pipes
purchased locally.
• Measure the distance between the indoor and
the outdoor unit.
• Cut the pipes a little longer than measured
distance.
• Cut the cable 1.5m longer than the pipe length.
➁
Remove burrs.
• Remove burrs from cut edges of pipes.
• Turn the pipe end down to avoid the metal pow-
der entering the pipe.
Caution:
If burrs are not removed, they may cause a gas
leakage.
2) Connection of piping
➀
Move the indoor tubing and drain hose to the hole
• Remove tubing holder and pull the tubing out of the chassis.
➁
Replace the tubing holder into original position
➂
Route the tubing and the drain hose staight backwards.
➃
Insert the connecting cable into the indoor unit through the hole.
• Do not connect the cable to the indoor unit
• Make a small loop with the cable for easy connection later.
➄
Tape the tubing and the connecting cable.
➅
Indoor unit installation.
➆
Connecting the pipings to the indoor unit.
• Align the center of the pipings and suffciently tighten the flare nut with fingers.
• Finally, tighten the flare nut with troque wrench until the wrench clicks.
When tightening the flare nut with troque wrench, ensure the direction for tightening follows the arrow on the
wrench.
90
°
Pipe cutter
Slanted Rough
Pipe
Point down
Reamer
5-3. Piping of Indoor Unit
1) Preparation of piping