Connecting The Pipings To The Indoor Unit And Drain Hose To Drain Pipe - LG UTN48R Owners & Installation Manual

Connecting the pipings to the
indoor unit and drain hose to
drain pipe
- Align the center of the pipings and
sufficiently tighten the flare nut by hand.
Indoor unit tubing Flare nut Pipings
- Tighten the flare nut with a wrench.
Torque wrench
Indoor unit tubing
Outside diameter
mm inch
Ø 6.35 1/4
Ø 9.52 3/8
Ø 12.7 1/2
Ø 15.88 5/8
Ø 19.05 3/4
- When extending the drain hose at the indoor
unit, install the drain pipe.
Drain pipe
Vinyl tape(narrow)
Adhesive
Spanner (fixed)
Flare nut
Connection pipe
Torque
kg . m
1.8~2.5
3.4~4.2
5.5~6.6
6.6~8.2
9.9~12.1
Indoor unit drain hose
CONNECTING PIPES
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
Set the tubing cutting line upward.
Wrap the area which accommodates the
rear piping housing section with vinyl tape.
Cutting Line
Gas Pipe
Liquid Pipe
Good Case
* Tubing cutting line have to be upward.
Connection pipe
Vinyl tape (wide)
Wrap with vinyl tape
Connecting cable
Vinyl tape(narrow)
3
Bundle the piping and drain hose together
by wrapping them with vinyl tape sufficient
enough to cover where they fit into the
rear piping housing section.
Wrap with vinyl tape
Pipe
Drain hose
23
Insulation material
Cutting Line
Bad Case
Indoor unit pipe
Pipe
Vinyl tape(wide)