LG ARUV025GSD0 Engineering Product Data Book page 49

7. Refrigerant Piping System
Refrigerant pipe diameter from outdoor unit to first branch. (A)
Outdoor unit total capacity (HP)
2.5
3
4
Refrigerant pipe diameter from branch to branch (B,C)
Downward Indoor Unit
total capacity [kW(Btu/h)]
≤ 5.6(19,100)
< 16.0(54,600)
≤ 22.4(76,400)
< 36.4(124,200)
Outdoor unit Connection
WARNING
• In case of pipe diameter B connected after first branch is bigger than the main pipe diameter A, B
should be of the same size with A.
16 _
R410A(50/60Hz)
Liquid pipe [mm(inch)]
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
Liquid pipe [mm(inch)]
Ø6.35(1/4)
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
Gas pipe [mm(inch)]
Ø15.88(5/8)
Ø15.88(5/8)
Ø15.88(5/8)
Gas pipe [mm(inch)]
Ø12.7(1/2)
Ø15.88(5/8)
Ø19.05(3/4)
Ø22.2(7/8)