16
ENGLISH
- When the number of indoor units to be connected to the branch
pipes is less than the number of branch pipes available for connection
then cap pipes should be fitted to the surplus branches.
- Fit branch pipe lie in a horizontal plane.
Ⓐ To Branch Piping or Indoor Unit
Ⓑ To Outdoor Unit
- Ensure that the branch pipes are attached horizontally or vertically
(see the diagram below.)
Ⓐ To Outdoor Unit
Ⓑ To Indoor Unit
- The indoor unit having larger ca-
pacity must be installed closer to
Ⓐ than smaller one.
- If the diameter of the refrigerant
piping selected by the proce-
dures described is different from
the size of the joint, the connect-
ing 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, in-
stall a cap to the unconnected
branches.
Branch pipe Fitting
- Header should be insulated with the insulator in each kit.
- Joints between branch and pipe should be sealed with the tape in-
cluded in each kit.
- Any cap pipe should be insulated using the insulator provided with
each kit and then taped as described above.
h For example. Indicated Ø9.52 is the outer diameter(O.D..) of field
jointed piping
as shown in the figure.
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