Cut The Pipes And The Cable; Burrs Removal; Putting Nut On; Flaring Work - LG LSN090HYV Product Data Book

Installation

Flaring Work

One cause of gas leakage is improper workmanship in aring . Carry out correct aring work in the following
procedure.

Cut the pipes and the cable.

1. Use the piping kit accessory or the pipes purchased
locally.
2. Measure the distance between the indoor and the
outdoor unit.
3. Cut the pipes a little longer than measured distance.
4. Cut the cable 1.5m(59 3/32 inch) longer than the
pipe length.

Burrs removal

1. Completely remove all burrs from the cut cross
section of pipe/tube.
2. While removing burrs put the end of the copper
tube/pipe in a downward direction while removing
burrs location is also changed in order to avoid
dropping burrs into the tubing.

Putting nut on

• Remove are nuts attached to indoor and outdoor
unit, then put them on pipe/tube having completed
burr removal.
(not possible to put them on after nishing are
work)
Flaring work
1. Firmly hold copper pipe in a bar with the dimension shown in table below.
Outside diameter
mm inch
Ø6.35 1/4
Ø9.52 3/8
Ø12.7 1/2
Ø15.88 5/8
Ø19.05 3/4
2. Carry out aring work with the aring tool.
A
mm inch
1.1~1.3 0.043~0.051
1.5~1.7 0.059~0.067
1.6~1.8 0.063~0.071
1.6~1.8 0.063~0.071
1.9~2.1 0.075~0.083
Inverter Single
Copper
Slanted Uneven Rough
pipe
90°
Point down
Flare nut
Copper tube
Bar
Bar
Copper pipe
Clamp handle
6RMI0-04C
Pipe
Reamer
Handle
Yoke
Cone
Red arrow mark
65