LG LA121HPMI - Manual (Page 24)

24 Room Air Conditioner
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 suffi-
ciently tighten the flare nut by hand.
• The drain hose can be connected at two different
positions. Use the most convenient position and, if
necessary, exchange the position of the drain pan,
rubber cap and the drain hose.
➊ Drain pan
➋ Rubber cap
➌ Drain hose
➍ Exchange if necessary
• Remove the drain hose.
• Securely insert both the rubber plug and drain hose
into the drain outlets.
Be sure the rubber the cap is securely fastened so
that there is no leakage.
Finally, tighten the flare nut with torque
wrench until the wrench clicks.
• When tightening the flare nut with torque
wrench, ensure the direction for tightening fol-
lows the arrow on the wrench.
Outdoor unit
Suction Line piping
(Bigger diameter)
Evaporator Line
piping
(Smaller
diameter)
Torque wrench
1
2
3
4
Connection of The Drain Hose
Connection of Piping -Outdoor
Ш6.35 1/4 180~250
Ш9.52 3/8 340~420
Ш12.7 1/2 550~660
Ш15.88 5/8 630~820
Ш19.05 3/4 980~1210
Outside diameter
mm inch
Torque
kgf.cm
Installation