LG ARUN040LSS0 Installation Manual page 37

Refrigerant pipe diameter from outdoor unit to first branch. (A)
Outdoor unit
total capacity(HP)
4
5
6
8
10
12
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)
PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
Liquid pipe [mm(inch)]
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
Ø12.7(1/2)
Liquid pipe [mm(inch)]
Ø6.35(1/4)
Ø9.52(3/8)
Ø9.52(3/8)
Ø9.52(3/8)
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Gas pipe [mm(inch)]
Ø15.88(5/8)
Ø15.88(5/8)
Ø19.05(3/4)
Ø19.05(3/4)
Ø22.2(7/8)
Ø28.58(11/8)
Gas pipe [mm(inch)]
Ø12.7(1/2)
Ø15.88(5/8)
Ø19.05(3/4)
Ø22.2(7/8)
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