Install Instructions

18 Air Conditioner
Installation
2. Align the center of the pipings and sufficiently
tighten the flare nut by hand.
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.
Outdoor unit
Gas side piping
(Bigger diameter)
Liquid side piping
(Smaller diameter)
Torque wrench
Outdoor unit
1. Remove the tubing cover from the unit by
loosening the screw.
Tubing cover
mm inch kgf
.
m lbf
.
ft
Ø6.35 1/4 1.8~2.5 13~18
Ø9.52 3/8 3.4~4.2 24.6~30.4
Ø12.7 1/2 5.5~6.6 39.8~47.7
Ø15.88 5/8 6.3~8.2 45.6~59.3
Ø19.05 3/4 9.9~12.1 71.6~87.5
Outside diameter Torque