Connection Of The Drain Hose; Connection Of Piping -Outdoor - LG LA121HPMI Service Manual

Installation

Connection of The Drain Hose

• 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.
Drain pan
Rubber cap
Drain hose
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.

Connection of Piping -Outdoor

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.
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.
Outside diameter
mm
Ø6.35
Ø9.52
Ø12.7
Ø15.88
Ø19.05
24 Room Air Conditioner
Torque
kgf . cm
inch
1/4 180~250
3/8 340~420
1/2 550~660
5/8 630~820
3/4 980~1210
2
1
Outdoor unit
Suction Line piping
(Bigger diameter)
Torque wrench
4
3
Evaporator Line
piping
(Smaller
diameter)