Installation Manual
27
ENGLISH
Refrigerant piping installation
Branch pipe Fitting
Y branch
A
B
To Outdoor 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
/- 10°
A
A
B
Header
To outdoor unit
To indoor unit
A
B
C
• Ensure that the branch pipes are attached horizontally or vertically (see the diagram below.)
• When the number of pipes to be connected is
smaller than the number of header branches,
install a cap to the unconnected branches.
• 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