First branch joint
Increase the main
pipe size
10. Installation
Selecting refrigerant pipe
•
Install the refrigerant pipe according to main pipe size of each outdoor unit capacity.
•
When the pipe length (including elbow) between an outdoor unit and the farthest indoor unit exceeds 90m
(295ft)
,
you must increase the size of the pipe (main pipe) by one grade which connects between the outdoor
unit to
the first branch joint.