Installation

FlaringWork

Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring 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(59.1in) longer than the pipe length.

Copper

 

Slanted Uneven Rough

pipe

90¡

Burrs removal

Pipe

1.

Completely remove all burrs from the cut cross

Reamer

 

section of pipe/tube.

 

2.

Put the end of the copper tube/pipe in a

Point down

 

 

downward direction as you remove burrs in order to avoid dropping burrs into the tubing.

Putting nut on

Remove flare nuts attached to indoor and outdoor unit, then put them on pipe/tube having completed burr removal.

(not possible to put them on after flaring work)

Flare nut

Copper tube

Flaring work

Carry out flaring work using flaring tool as shown below.

Outside diameter

 

A

 

 

 

 

 

mm

inch

mm

 

inch

Ø6.35

1/4

1.1~1.3

 

0.043~0.051

Ø9.52

3/8

1.5~1.7

 

0.059~0.066

Ø12.7

1/2

1.6~1.8

 

0.063~0.070

Ø15.88

5/8

1.6~1.8

 

0.063~0.070

Ø19.05

3/4

1.9~2.1

 

0.074~0.082

Firmly hold copper pipe in a die in the dimension shown in the table above.

 

"A"

Handle

Bar

Bar

 

 

 

Yoke

 

 

Cone

Copper pipe

Clamp handle

Red arrow mark

16Room Air Conditioner

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LG Electronics 3828A30087S installation manual Flaring Work, Completely remove all burrs from the cut cross

3828A30087S specifications

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