Outdoor
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
inch
Ø6.35
1/4
Ø9.52
3/8
Ø12.7
1/2
Ø15.88
5/8
Ø19.05
3/4
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Torque
kg.m
1.8
4.2
5.5
6.6
6.6
- 21 -
Outdoor unit
Liquid side piping
(Smaller diameter)
Torque wrench
LGE Internal Use Only
Installation
Gas side
piping
(Bigger
diameter)