Installation Manual
11
Installation
ENGLISH
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(5ft) longer than the pipe length.
Removing burrs
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.
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)
Flaring work
1. Firmly hold copper pipe in a die in the dimension
shown in the table below.
2. Carry out flaring work wiht the flaring tool.
Copper
pipe
90
Slanted Uneven Rough
Pipe
Reamer
Point down
Flare nut
Copper tube
Bar
Copper pipe
"A"
<Wing nut type>
<Clutch type>
Pipe diameter
Inch (mm)
A inch (mm)
Wing nut type
Clutch type
Ø1/4 (Ø6.35)
0.04~0.07 (1.1~1.8)
0~0.02 (0~0.5)
Ø3/8 (Ø9.52)
Ø1/2 (Ø12.7)
Ø5/8 (Ø15.88)
