Refrigerant Piping
Connection
Page 22
NOTE ON MINIMUM BEND RADIUS
Carefully bend the tubing in the middle
according to the diagram below. DO NOT bend
the tubing more than 90° or more than 3 times.
Bend the pipe with thumb
min-radius 10cm (3.9”)
Fig. 7.12
6. After connecting the copper pipes to the
indoor unit, wrap the power cable, signal
cable and the piping together with
binding tape.
NOTE: DO NOT intertwine signal cable with
other wires. While bundling these items
together, do not intertwine or cross the signal
cable with any other wiring.
7. Thread this pipeline through the wall and
connect it to the outdoor unit.
8. Insulate all the piping, including the valves
of the outdoor unit.
9. Open the stop valves of the outdoor unit
to start the flow of the refrigerant between
the indoor and outdoor unit.
CAUTION
Check to make sure there is no refrigerant leak
after completing the installation work. If there is
a refrigerant leak, ventilate the area immediately
and evacuate the system (refer to the Air
Evacuation section of this manual).
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