Outside diameter
mm
ø6.35
ø9.52
ø12.7
ø15.88
ø19.05
inch
1/4"
3/8"
1/2"
5/8"
3/4"
mm
mm
1.1~1.3
0.7
1.5~1.7
0.8
1.6~1.8
0.8
1.6~1.8
1.9~2.1
1.0
1.0
A
Thickness
FLARING
WORK
AND CONNE
CTION OF PIPING
A
Use the
piping kit
accessory or
the pipes
purchased locally
.
Measure the
distance between
the indoor
and the
outdoor unit.
Cut the
pipes a
little longer
than measured
distance.
Cut the
cable 1500mm
longer than
the pipe
length.
D
Carry out
flaring work
using flaring
tool as
shown
below.
Firmly hold
copper pipe
in a
die in
the
dimension shown
in the
table above.
B
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.
E
Compare the
flared work
with figure
below.
If flare
is noted
to be
defective, cut
off
the flared
section and
do flaring
work again.
C
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)
Copper
pipe
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 shiny without scratches.
Smooth all round
Even length
all round
Surface
damaged
CrackedUneven
thickness
= Improper flaring =
Main cause for gas leakage is due to defect
in flaring work. Carry out correct flaring work
in the following procedure.
Flaring w
ork
Flaring w
ork
Burrs removal
Check
Cut the pipes and the cable
Putting nut on
INSTALL
ATION
10
