LG A3UQ24GFAB, Installation Manual

Page: 15 / 97

15
FLARING WORK AND CONNECTION OF PIPING
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- Bundle the piping and drain hose together by
wrapping them with vinyl tape over the
range within which they fit into the rear pip-
ing housing section.
Good case
Press on the upper side of clamp and unfold
the tubing to downward slowly. Bad case
Following bending type from left to right could
cause problem of pipe damage.
Wrap with vinyl tape
Drain hose
Pipe
Vinyl tape(wide)
Ø
12.7(1/2 inch) Connector
Installation Information (For right piping) For right piping, follow the instruction below.
CAUTION !
Connection of piping - Outdoor
Align the center of the piping and sufficiently
tighten the flare nut by hand.
Connecting pipe order
1) ROOM A~E gas side pipe
2) ROOM A~E liquid side pipe
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.
Gas side piping
ROOM A
ROOM B
ROOM C
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
Outdoor unit
Main gas
side valve
Main liquid
side valve
Gas side piping
ROOM A
ROOM B
ROOM C
ROOM D
ROOM E
Liquid
side piping
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