Flaring Work - LG DELUXE HIGH WALL MINI SPLIT Installation Instructions Manual

Flaring work
Main cause for gas leakage is due to
defect in flaring work. Carry out correct
flaring work in the following procedure.
1. Cut the pipes and the cable.
• Use the piping kit accessory or the
pipes purchased locally.
• Measure the distance between the
indoorand the outdoor unit.
• Cut the pipes a little longer than
measured distance.
• Cut the cable 1.5m(4.9ft) longer than
the pipe length.
Copper 0 X
pipe ,_P'_,_ 90_,
2. Burrs removal
• Completely remove all burrs from the
cut cross section of pipe/tube.
• Put the end of the copper tube/pipe in
a downward direction as you remove
burrs in order to avoid dropping burrs
into the tubing.
Reamer
Point down
3. 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)
4. Flaring work
• Carry out flaring work using flaring toot as
shown below.
Outside diameter A
mm inch mm
e6.35 1/4 0~0.5
e9.52 3/8 0~0.5
e12.7 1/2 0~0.5
_15.88 5/8 0~1.0
Firmly hold copper pipe in a die in the
dimension shown in the table above.
_:/ __ j_ - Handle
Bar = _ Ba_
_-_ Yoke
L_ _"_ I/._ e
Cepperpipe
Clamp handle _ Red arrow mark
5. Check
• Compare the flared work with figure below.
• If flare is noted to be defective, cut off the
flared section and do flaring work again.
Smooth all round
is shiny without scratches
Improperflaring :
all round
Flare nut
Copper_