LG Multi V miniARUN Series Installation Manual page 29

Branch Pipe Fitting
Y branch
A
• Ensure that the branch pipes are attached horizontally or vertically (see the diagram below.)
A
Header
B
Horizontal
plane
Viewed from point A
in direction of arrow
A
B
C
A To Outdoor Unit
To Branch Piping or Indoor Unit
B
downwards
Within +/- 10°
Within ± 3°
A To outdoor unit
B To indoor unit
• The indoor unit having larger capacity must be
installed closer to than smaller one.
• If the diameter of the refrigerant piping selected
by the procedures described is different from
the size of the joint, the connecting section
should be cut with a pipe cutter.
Pipe cutter
• When the number of pipes to be connected is
smaller than the number of header branches,
install a cap to the unconnected branches.
Installation Manual 29
Refrigerant Piping
Facing Facing
upwards
Within ± 3°