LG MULTI V S ARUV060GSD0 Installation Manual page 33

Header Method
Example : 6 Indoor Units connected
Ⓐ : Outdoor Unit
Ⓑ : 1st branch
Ⓒ : Indoor Units
Ⓓ : Sealed piping
Outdoor unit capacity (HP)
Total pipe length (m)
T
A+B+C+a+b+c+d+e
Longest pipe length (m) (Equivalent pipe length)
L
A+B+C+D+e
Longest pipe length after 1st branch (m)
B+C+D+e
Difference in height (m) (Outdoor Unit ÷ Indoor Unit)
H
H
Difference in height (m) (Indoor Unit ÷ Indoor Unit)
h
h
WARNING
!
Pipe length after header branching (a~f)
It is recommended that difference in length of the pipes connected to the Indoor Units is
minimized. Performance difference between Indoor Units may occur.
• * : Assume equivalent piping length of Y branch to be 0.5m, that of header to be 1m, calcu-
lation purpose
• Indoor Unit should be installed at lower position than the header.
PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
L 150m
2.5 3 4
50 80 85
30 40 50
20 30 30
15 15 15
7.5 7.5 7.5
33
40m
5 6
100 100
50 50
30 30
15 15
7.5 7.5