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Installation
WALL INSTALLATION
2.4.3
Preparation for connection pipes
It is necessary to make a hole in the wall where the
refrigerant piping, drainage pipe and electrical cables
that will connect the indoor unit to the outdoor unit will
pass through.
1 Determine hole position in the wall according to the
position of the outdoor unit. The hole in the wall should
have a minimum diameter of 65 mm and a slight
downward slope to facilitate drainage (see "Fig. 16").
2 Drill the hole in the wall using a 65 mm drill bit. The
hole should have a slight inclination, so that the outer
end is lower than the inner one by about 12 mm. This
will facilitate water drainage.
Fig. 15
3 Insert the protective sleeve into the wall, which will
protect the edges of the hole and improve the seal
after installation.
a
CAUTION DANGER
When drilling holes, pay attention to avoid
electrical wires, hydraulic hoses and other
delicate components.
m
CAUTION
The drain pipe outlet must be at least 5 cm
from the floor. If it touches the ground, the unit
can block and not work properly. If the water is
discharged directly into the sewer system, use
a U- or S-shaped drain pipe to block odours
which would otherwise flow back inside.
Wall
Inside
Outside
Fig. 16
15
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