LG ARUN115DT2 Installation Manual page 40

Refrigerant piping installation
• 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
40 40 Outdoor Unit Outdoor Unit
B
Horizontal plane
View from point B in the direction of the arrow
Insulate the header using
the insulation
material attached to the
branch pipe kit
as shown in the figure.
Tape
Insulator of field pipe
Insulator for cap pipe
Pinched pipe
Tape