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10.2.8 Connecting the pipe
Screw the flare nuts to the outdoor unit coupling
with the same tightening procedures described for
the indoor unit.
Note: If the tightening torque is not sufficient, there
will probably be some leakage. With excessive
tightening torque there will also be some leakage,
as the flange could be damaged.
10.2.9 Bleeding
Air and humidity left inside the refrigerant circuit can
cause compressor malfunction. After having
connected the indoor and outdoor units, bleed the
air and humidity from the refrigerant circuit by using
a vacuum pump.
The air and humidity left inside the refrigerant
circulation can cause compressor malfunction.
After having connected the indoor and outdoor
units, bleed the air and humidity from the
refrigerant circulation using a vacuum pump.
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