Good Case; Bad Case - LG MFL39817319 Installation Manual

Connecting the piping to the indoor unit
and drain hose to drain pipe.
1. Align the center of the pipes and
sufficiently tighten the flare nut by hand.
2. Tighten the flare nut with a wrench.
Outside diameter
mm
Ø6.35
Ø9.52
Ø12.7
3. Next, extend the indoor unit's drain hose.
Then attach the drain pipe.
Installation Information. For left piping. Follow the instruction below.

Good case

• Press on the upper side of clamp and unfold the tubing to slowly downward.

Bad case

• Bending the pipe from right to left may cause damage to the tubing.
Torque
inch kgf.m (lbf·ft)
1/4 1.8~2.5 (13~18)
3/8 3.4~4.2 (24~30)
1/2 5.5~6.6 (40~48)
Indoor unit tubing Flare nut
Open-end wrench (fixed)
Wrench
Indoor unit tubing
Drain pipe
Indoor unit drain hose
Vinyl tape(narrow)
Adhesive
Installation Manual 15
Installation
Pipes
Flare nut
Connection pipe