LG UU18WC - Connecting the Pipes to the Outdoor Unit

CONNECTING PIPES
15
ENGLISH
Connecting the pipes to the Outdoor unit
Align the center of the piping 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.
Preventing foreign objects from entering
- Plug the pipe through-holes with putty or
insulation material(procured locally) to stop
up all gaps.
Liquid side piping
(Smaller diameter)
Gas side piping
(Bigger diameter)
Torque wrench
h When tighten the pipe, hold the haxago-
nal body.
Torque
wrench
Contin-
uous
h When tighten the pipe, hold the haxago-
nal body.
Torque wrench
Liquid side piping
(Smaller diameter)
Gas side piping
(Bigger diameter)
h When tighten the pipe, hold the haxago-
nal body.
Torque
wrench
Continuous
h When tighten the pipe, hold the haxago-
nal body.
Drain hose
Connecting wire
Gas side piping
Liquid side piping
Outside diameter Torque
mm inch N·m
Ø 6.35 1/4 16±2
Ø 9.52 3/8 38±4
Ø 12.7 1/2 55±6
Ø 15.88 5/8 75±7
Ø 19.05 3/4 110±10