18 Room Air Conditioner
Installation

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.
Outdoor unit
Liquid side piping
(Smaller diameter)
Gas side
piping
(Bigger
diameter)
Torque wrench
mm inch kg.mlb
.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