LG AS-C076QLA0 Service Manual page 28

• Bundle the piping and drain hose together by wrap-
ping them with cloth tape over the range within which
they fit into the rear piping housing section.
Drain hose
8. Reroute the pipings and the drain hose across the
back of the chassis.
Piping for
passage through
piping hole
9. Set the pipings and the drain hose to the back of
the chassis with the tubing holder.
• Hook the edge of tubing holder to tap on chassis and
push the bottom of tubing holder to be engaged at the
bottom of chassis.
Tubing holder
10. Indoor unit installation
• Remove the spacer.
• Ensure that the hooks are properly seated on the
installation plate by moving it left and right.
Pipe
Vinyl tape(narrow)
Wrap with
vinyl tape(wide)
Connecting
cable
Drain hose
-27-
Press the lower left and right sides of the unit against
the installation plate until the hooks engage into their
slots(clicking sound).
3) Connection of the pipes-Outdoor
1. Align the center of the pipings and sufficiently
tighten the flare nut by hand.
2. 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 follows the arrow on
the wrench.
Outside diameter
mm
Ø6.35
Ø9.52
Ø12.7
Ø15.88
Ø19.05
Outdoor unit
Outdoor unit
Torque
kg . m
inch
1/4 1.8
3/8 4.2
1/2 5.5
5/8 6.6
3/4 6.6
Gas side piping
Liquid side piping
(Bigger diameter)
(Smaller diameter)
Gas side
piping
Liquid side
(Bigger
piping
diameter)
(Smaller
diameter)
Torque wrench
Torque wrench