LG JB-Q18GB2A0, Owner'S Manual

Page: 39 / 50

3-1.Preparation ofPiping
3.Connecting Pipesto theIndoor Unit
Maincause ofgas leakageis defectin
flaringwork. Carryout correctflaring work
inthe followingprocedure.
1)Cut thepipes andthe cable .
Usethe accessorypiping kitor thepipes
purchasedlocally .
Measurethe distancebetween the
indoorand theoutdoor unit.
Cutthe pipesa littlelonger than
measureddistance.
Cutthe cable1.5m longerthan thepipe
length.
2)Burr sremo val
Completelyremove allburrs fromthe cut
crosssection ofpipe/tube.
Putthe endof thecopper tube/pipeto
downwarddirection asyou removeburrs
inorder toavoid tolet burrsdrop inthe
tubing.
3)Putting nut on
Removeflare nutsattached toindoor
andoutdoor units,than putthem on
pipe/tubehaving completedburr
removal.
(Notpossible toput themon afterflaring
work)
4)Flaring work
Carryout flaringwork usingflaring tool
asshown below.
Firmlyhold coppertube ina bar(ordie) as
indicateddimension inthe tableabove.
5)Chec k
Comparethe flaredwork withfigure.
Ifflare isnoted tobe defective,cut off
theflared sectionand doflaring work
again.
Copper
tube
90
Slanted Uneven Rough
Pipe
Reamer
Point down
Flare nut
Copper tube
Bar
Copper pipe
Clamp handle
Red arrow mark
Cone
Yoke
Handle
Bar
"A"
Inclined
Inside is shining without scratches.
Smooth all round
Even length
all round
Surface
damaged
CrackedUneven
thickness
= Improper flaring =
OutsideDiameter "A"
1/4" 0~0.5
3/8" 0.5~0.8
1/2" 0.5~0.8
5/8" 0.8~1.0
3/4" 1.0~1.3
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