LG ARUM080LTE5 Engineering Product Data Book page 730

Multi V 5
7. Refrigerant piping system
7.1.2 Heat Pump System
■ Single Outdoor Unit Connection
Y branch method
ⓐ Outdoor Unit
ⓑ 1st branch (Y branch)
ⓓ Indoor Units
Combination of Y branch / header method
ⓐ Outdoor Unit
ⓑ 1st branch (Y branch)
ⓒ Y branch
ⓓ Indoor Units
ⓔ Header
ⓕ Sealed piping
Header method
ⓐ Outdoor Unit
ⓓ Indoor Units
ⓔ Header
ⓕ Sealed piping
WARNING
Pipe length after header branching
• It is recommended that difference in length of the
pipes connected to the indoor units (a~f) is
minimized.
Performance difference between indoor units may
occur.
WARNING
• Branch pipe can not be used after header
Installation of Outdoor Units
a
a
L 150m [492ft] (200m [656ft] : Conditional application)*
l 40m [131ft] (90m [295ft] : Conditional application)*
b
d
d
d d
h 40m [131ft]
a
b
d d
L 150m [492ft] (200m [656ft] : Conditional application)*
l 40m [131ft] (90m [295ft] : Conditional application)*
c
d
a
L 200m [656ft]
e
d
d
d
d d
h 40m [131ft]
Indoor
d
Unit
d
d
e
f
d
d
l 40m [131ft]
f
d
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