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40 Outside Unit
Refrigerant piping system
Branch pipe Fitting
Y branch
A
B
To Outside Unit
To Branch Piping or Indoor Unit
A
B
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)
• 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.
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