LG multi V ARUN080BSR0 Instruction Manual page 32

PIPE CONNECTIONS BETWEEN INDOOR AND OUTDOOR UNIT
32
Refrigerant pipe diameter from outdoor unit to first branch. (A)
Outdoor unit
total capacity (HP)
8
10
12
Refrigerant pipe diameter from branch to branch (B,C,D)
Downward Indoor Unit
total capacity [kW(Btu/h)]
≤ 5.6(19,100)
< 16.0(54,600)
≤ 22.4(76,400)
< 36.4(124,200)
WARNING
!
When the any one (or both ) of below conditions are satisfied, the diameter of main pipe (A)
must be increased according to below table.
- The equivalent length between outdoor unit and the farthest indoor unit is 90m or more
(Liquid and Gas pipes are increased)
- The level difference (Outdoor unit ÷ Indoor unit) is 50m or more (Only liquid pipe is in-
creased)
Liquid pipe [mm(inch)]
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)
Gas pipe [mm(inch)]
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)