Installation Of Connection Pipe - Electrolux EXl09HL1W Installation Manual

Step 5: Installation of Connection Pipe
Refrigerant pipe connection
1 Flaring work
Main cause for refrigerant leakage is due to
work using the following procedure:
A: Cut the pipes and the cable.
Use the piping kit accessory (if applicable) 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.
Pipe
Oblique
B: Burr removal
Completely remove all burrs from the cut
cross section of pipe/tube.
Face the end of the copper pipe/tube in a
downward direction as you remove burrs in
order to avoid burrs dropping into the tubing.
Face down
C: Putting are nut on
outdoor unit, then put them on pipe/tube
having completed burr removal.
35
Roughness Burr
Pipe
Reamer
Flare nut
Copper tube
caution
D: Flaring work.
shown below.
Bar
Bar
Copper pipe
Clamp handle
Firmly hold copper pipe in a die according to
the dimension shown in the table below.
Outer diam. (mm)
E: Check
diagram.
If the pipe has any defect, cut off the enlarged
section and redo the work.
Smooth all around
Inclined
Even length all
around
Make an independent covering for each
pipe with the appropriate tubular isolation.
Handle
Yoke
Cone
Red arrow mark
A (mm)
Max. Min.
1.3 0.7
1.6 1.0
1.8 1.0
2.4 2.2
Damaged Cracked Uneven
surface thickness