LG AMNH076LQL0 Service Manual page 71

1.4 Piping connection size
A6UW368FA0
Liquid mm
Gas mm
A
A6UW368FA0
Branch unit
A6UW368FA0
1. While piping installation you must use the connector
Gas
a
b
Ø19.05 Ø15.88
a
[Connector]
2. Align the center of the pipings and sufficiently tighten the flare nut by hand.
BD
Socket(Included in Outdoor Unit)
unit
3. Finally, tighten the flare nut with torque wrench until the wrench clicks.
When tightening the flare nut with torque wrench, ensure the direction for
tightening follows the arrow on the wrench.
A
Ø6.35
Ø15.88
A
A
B
A
Liquid
a
b
Ø9.52 Ø6.35
b
Outdoor
unit
B
Adjust to indoor unit
piping size
BD Unit
B B
B
B B B
B
Service Manual 77
Installation