5.1.4 Leveling
The water level test must be done after installing the indoor unit to make the
unit is horizontal, as shown below.
5.2 Installation of the Connection Pipe
5.2.1 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. 8).
Fig. 7
Fig. 8
16
Floor Ceiling Type Unit