LG ARUB230BT2 Installation Manual page 26

Refrigerant piping installation
Connection of Outdoor Units
2 outdoor units
Model
Low Pressure Gas Pipe
Ø34.9(1-3/8)
Ø31.8(1-1/4)
Ø28.58(1-1/8)
ARCNB20
OD34.9(1-3/8)
OD28.58(1-1/8)
Ø38.1(1-1/2)
26 26 Outdoor Unit Outdoor Unit
Ø28.58(1-1/8)
Ø12.7(1/2)
Ø19.05(3/4)
Ø28.58(1-1/8)
Ø22.2(7/8)
Ø19.05(3/4) Ø15.88(5/8)
Ø22.2(7/8) OD19.05(3/4)
Liquid Pipe
Ø 9.52(3/8)
Ø12.7(1/2)
Ø19.05(3/4)
Ø12.7(1/2)
Ø15.88(5/8)
Ø22.2(7/8) OD12.7(1/2)
Ø9.52(3/8)
OD19.05(3/4)
[Unit:mm(inch)]
High Pressure Gas Pipe
Ø22.2(7/8)
Ø19.05(3/4)
Ø28.58(1-1/8)
Ø22.2(7/8)
Ø22.2(7/8)
Ø15.88(5/8)
OD22.2(7/8)
Ø19.05(3/4)
Ø15.88(5/8)