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Pipe Expanding Method
Note: Improper pipe expanding is the main cause of refrigerant leakage. Expand the
pipe according to the following steps:
(A) Cut the Pipe
Determine the line length based on the distance between the indoor and outdoor air
conditioners. Cut the required cable length with a cable cutter.
(B) Remove the Burrs
Remove the burrs with a shaper. Make sure that the end of the line is pointing
downwards towards the top of the shaper to prevent dust from getting back into the line.
Pipe cutter
Pipe
Pipe end points
downwards
Shaper
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