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• 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.
• Header should be insulated with the insulator in each kit.
• Joints between branch and pipe should be sealed with the tape included in each kit.
Insulator
• Any cap pipe should be insulated using the insulator provided with each kit and then taped as described
above.
Cap pipe
B
Horizontal plane
View from point B in the direction of the arrow
Tape
Insulator of field pipe
Insulator for cap pipe
Refrigerant piping system
Pinched pipe
Insulate the header using
the insulation
material attached to the
branch pipe kit
as shown in the figure.
Tape
Installation Manual 41
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