11
ENGLISH
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
Cracked Uneven
thickness
= Improper flaring =
Pipe
Reamer
Point down
Flare nut
Copper tube
1. Completely remove all burrs from the cut
cross section of pipe/tube.
2. While removing burrs put the end of the
copper tube/pipe in a downward direction
while removing burrs location is also
changed in order to avoid dropping burrs
into the tubing.
- Remove flare nuts attached to indoor and
outdoor units, then put them on the pipe/tube
which have completed its burr removal.
(not possible to put them on after finishing
flare work)
Flaring work
1
Firmly hold copper pipe in a bar with the
dimension shown in table below.
2
Carry out flaring work with the flaring tool.
1
Compare the flared work with the figures
given below.
2
If a flared section is defective, cut it off and
do flaring work again.
Connecting the Piping
1
Pull the screw caps at the bottom of the
indoor unit
2
Remove the chassis cover from the unit by
loosing 2 screws
Burrs removal
Putting nut on
Check
Chassis cover
Outside diameter
A
Thickness
mm
inch
mm
mm
Ø6.35
1/4"
1.1~1.3
0.7
Ø9.52
3/8"
1.5~1.7
0.8
Ø12.7
1/2"
1.6~1.8
0.8
Ø15.88
5/8"
1.6~1.8
1.0
