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Drain pipe mounting hole
4.3 Installation of the Connection Pipe
4.3.1 Flare Processing
(1). Cut the connection pipe with the pipe cutter and remove the burrs.
(2). Hold the pipe downward to prevent cuttings from entering the pipe.
(3). Remove the flare nuts at the stop valve of the outdoor unit and inside the accessory bag of
the indoor unit, then insert them to the connection pipe, after that, flare the connection pipe
with a flaring tool.
(4). Check if the flare part is spread evenly and there are no cracks (see Fig.13).
4.3.2 Bending Pipes
(1). The pipes are shaped by your hands. Be careful not to collapse them.
(2). Do not bend the pipes in an angle more than 90°.
(3). When pipes are repeatedly bent or stretched, the material will harden, making it difficult to
bend or stretch them any more. Do not bend or stretch the pipes more than three times.
DC Inverter U-match Series Duct Type Unit
Drain cap
Bottom
Fig.12
Fig.13
√
Fig.14
×
12
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