PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
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ENGLISH
Y branch
Header
Facing
upwards
Facing
downwards
Within ±3° Within ±3°
Viewed from point A
in direction of arrow
Horizontal
plane
Within +/- 10°
A
Insulator
(included with kit)
Liquid and gas
pipe joints
Insulator for
field piping
Tape
(field supply)
C
Ⓐ To Branch Piping or Indoor Unit
Ⓑ To Outdoor Unit
• Ensure that the branch pipes are attached horizontally or vertically (see the diagram below.)
• 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.
Ⓐ To Outdoor Unit Ⓑ 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.
Branch pipe Fitting
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