LG ARUN038GS2 Installation Manual page 27

[ Reducers for indoor unit and HR unit ]
Models
Indoor unit
reducer
PRHR020A
HR unit
reducer
PRHR030A
PRHR040A
Liquid pipe
OD9.52(3/8) Ø6.35(1/4)
OD9.52(3/8) Ø6.35(1/4)
OD12.7(1/2) Ø9.52(3/8)
Refrigerant piping installation
Gas pipe
High pressure
OD19.05(3/4) Ø15.88(5/8) Ø12.7(1/2)
OD12.7(1/2) Ø9.52(3/8)
Ø15.88(5/8)
OD22.2(7/8) Ø19.05(3/4)
OD15.88(5/8) Ø12.7(1/2)
[Unit:mm(inch)]
Low pressure
OD15.88(5/8) Ø12.7(1/2)
Ø15.88(5/8)
OD22.2(7/8) Ø19.05(3/4)
OD15.88(5/8) Ø12.7(1/2)
OD28.58(1-1/8) Ø22.2(7/8) Ø19.25(3/4)
OD19.05(3/4) Ø15.88(5/8)
Installation Manual 27