15. Installation

3) Flaring Work

Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the following proce- dure.

Cutting 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 out- door unit.

3.Cut the pipes a little longer than measured distance.

4.Cut the cable 1.5m longer than the pipe length.

Removing burrs

1.Completely remove all burrs from the cut cross section of pipe/tube.

2.Put the end of the copper tube/pipe in a downward direction as you remove burrs in order to avoid drop- ping burrs into the tubing.

Copper

 

Slanted Uneven Rough

pipe

90°

Pipe

Reamer

Point down

Putting nut on

1.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)

Flaring work

Flare nut

Copper tube

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

2.Carry out flaring work with the flaring tool.

 

 

 

"A"

 

Handle

 

 

Bar

Bar

 

 

 

 

Yoke

Outside diameter

A

 

 

 

 

 

mm

inch

mm

 

 

Cone

Ø6.35

1/4

0~0.5

 

 

 

Ø9.52

3/8

0~0.5

Copper pipe

 

Ø12.7

1/2

0~0.5

 

Clamp handle

 

Ø15.88

5/8

0~1.0

 

Red arrow mark

 

 

Ø19.05

3/4

1.0~1.3

 

 

 

Ceiling & Floor, Ceiling Suspended (50Hz, R22) 75

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LG Electronics 5CSV2-03A manual Flaring Work, Cutting the pipes and the cable, Removing burrs, Putting nut on

5CSV2-03A specifications

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