DC Inverter U-match Series Cassette Type Unit
located at the base plate of the unit and then connect the drain pipe to the
pipe joint.
Fig. 4.8
4.3 Installation of the Connection Pipe
4.3.1 Flare Proces
(1). Cut the connection pipe with pipe cutter and remove the burrs.
(2). Hold the pipe downward to prevent cuttings from entering the pipe.
(3). Remove the flare nut from the stop valve on the outdoor unit. Get another
flare nut from the accessory bag for the indoor unit. Insert pipe through
flare nuts. Flare the connection with a flaring tool
(4). Check if the flare part is spread evenly and there are no cracks (see Fig.
4.9).
Fig. 4.9
4.3.2 Bending Pipes
(1). Extend the pipe by hand. Be careful not to crimp it.
Fig. 4.10
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