LG Multi V miniARUN Series Installation Manual page 22

Refrigerant Piping
Selection of Refrigerant Piping
Outdoor unit
Gas pipe
Liquid pipe
Main pipe
No. Piping parts
Outdoor unit
1st branching section
Branching section
Branching section
Branching section
Indoor unit
22 Outdoor Unit
Branching
pipe
Branching
pipe
Name
Size of main pipe
Main pipe
Pipe size of between branching sections
Indoor unit capacity[kW(Btu/h)]
Branching pipe
Connecting pipe size of indoor unit
Indoor unit capacity[kW(Btu/h)]
Indoor unit
connecting pipe
Indoor unit
Selection of pipe size
Outdoor unit capacity type
4 HP
5 HP
6 HP
≤ 5.6(19,100)
< 16.0(54,600)
< 22.4(76,400)
≤ 5.6(19,100)
< 16.0(54,000)
Liquid pipe Gas pipe
[mm(inch)] [mm(inch)]
Ø9.52(3/8) Ø15.88(5/8)
Ø9.52(3/8) Ø15.88(5/8)
Ø9.52(3/8) Ø19.05(3/4)
Liquid pipe Gas pipe
[mm(inch)] [mm(inch)]
Ø6.35(1/4) Ø12.7(1/2)
Ø9.52(3/8) Ø15.88(5/8)
Ø9.52(3/8) Ø19.05(3/4)
Liquid pipe Gas pipe
[mm(inch)] [mm(inch)]
Ø6.35(1/4) Ø12.7(1/2)
Ø9.52(3/8) Ø15.88(5/8)