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3.3.1 Flaring work
Main cause for refrigerant leakage is due
following procedure:
1. Cut the pipes and the cable.
Use the piping kit accessory or pipes
purchased locally.
Measure the distance between the
indoor and the outdoor unit.
Cut the pipes a little longer than the
measured distance.
Cut the cable 1.5m longer than the
pipe length.
Fig.13
Pipe
Oblique
2. Burr 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.
Fig.14
Face Down
Roughness
Burr
Pipe
Reamer
3. Put nut on
and outdoor unit, then put them on
pipe/tube having completed burr
removal. (It is not possible to put them
Fig.15
Flare Nut
Cooper Tube
4. Flaring work
ashown below.
Bar
Bar
Clamp Handle
Firmly hold copper pipe in a die
according to the dimension shown in
the table below.
Tab.1
Outer diam. (mm)
ENGLISH
13
Cooper
Pipe
Handle
Yoke
Cone
Red arrow
mark
A (mm)
Max.
Min.
0.7
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