LG Art Cool Series Installation Manual page 12

Installation
Connecting the piping with the indoor unit
and drain hose with drain pipe
1. Align the center of the pipings and sufficiently tight-
en the flare nut by hand.
2. Tighten the flare nut with a wrench.
Outside diameter
mm inch
Ø6.35 1/4
Ø9.52 3/8
Ø12.7 1/2
Ø15.88 5/8
Ø19.05 3/4
3. When extending the drain hose at the indoor unit,
install the drain pipe.
Wrap the insulation material around the
connecting portion.
1. Overlap the connection pipe insulation material and
the indoor unit pipe insulation material. Bind them
together with vinyl tape so that there may be no
gap.
2. Wrap the area which accommodates the rear piping
housing section with vinyl tape.
3. Bundle the piping and drain hose together by wrap-
ping them with vinyl tape over the range within
which they fit into the rear piping housing section.
12 Indoor Unit
Torque
kgf . m
1.8~2.5
3.4~4.2
5.5~6.6
6.3~8.2
9.9~12.1
Indoor unit tubing Flare nut
Torque wrench
Indoor unit tubing
Drain pipe
Vinyl tape(narrow)
Adhesive
Plastic bands Insulation material
Connection
pipe
Vinyl tape
Wrap with vinyl tape
(wide)
Connecting cable
Vinyl tape(narrow)
Wrap with vinyl tape
Pipe
Vinyl tape(wide)
Drain hose
Pipings
Spanner (fixed)
Flare nut
Connection pipe
Indoor unit drain hose
Indoor
unit pipe
Pipe