Connection Of Piping -Outdoor - LG LA091CNP Installation Manual

Connection Of Piping -Outdoor

Connecting the Piping
Put a couple drops of refrigerant oil on the
face of the flare before assembling taking
care not to add any contaminants.
Align the center of the pipings and
sufficiently tighten the flare nut by hand.
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.
Outside diameter
mm
Ø6.35
Ø9.52
Ø12.7
Ø15.88
Ø19.05
Torque
inch kgf.cm
1/4 180~250
3/8 340~420
1/2 550~660
5/8 630~820
3/4 980~1210
Outdoor unit
Liquid side piping
(Smaller diameter)
Torque wrench
Installation Manual 21
Installation
Gas side
piping
(Bigger
diameter)