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PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
42
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
B
Horizontal
plane
Viewed from point A
in direction of arrow
Liquid and gas
pipe joints
Ⓐ To Outdoor Unit
Ⓑ To Indoor Unit
A
• The indoor unit having larger capacity must be
• If the diameter of the refrigerant piping selected
B
ⓒ Pipe cutter
C
• When the number of pipes to be connected
Ⓐ To Branch Piping or Indoor Unit
Ⓑ To Outdoor Unit
Within ±10°
Tape
(field supply)
Insulator for
field piping
installed closer to Ⓐ than smaller one.
by the procedures described is different from the
size of the joint, the connecting section should
be cut with a pipe cutter.
is smaller than the number of header
branches, install a cap to the unconnected
branches.
Facing
Facing
downwards
upwards
Within ±3°
Within ±3°
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