LG multi V ARUN Series Installation Manual page 45

Branch pipe Fitting
Y branch
A
• Ensure that the branch pipes are attached horizontally or vertically (see the diagram below.)
A
• There is no limitation on the joint mounting configuration.
• 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.
• Branch pipe should be insulated with the insulator in each kit.
Insulator
(included with kit)
Header
Pipe connections between indoor and outdoor unit
B
Horizontal
plane
Viewed from point A
in direction of arrow
Liquid and gas
pipe joints
A
B
C
A To Outdoor Unit
To Branch Piping or Indoor Unit
B
Within +/- 10°
Tape
(field supply)
Insulator for
field piping
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 45
Facing Facing
downwards upwards
Within ± 3° Within ± 3°