Connection Of Piping - Outdoor - LG LMCN125HV Instructions Manual

Flaring Work and Connection of Piping

Connection of piping - Outdoor

Align the center of the piping and sufficiently
tighten the flare nut by hand.
Connecting pipe order
1) A~D-UNIT gas side pipe
2) A~D-UNIT 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.
Outside diameter
mm
Ø6.35
Ø9.52
Ø12.7
36 Multi Air Conditioner
Torque
inch kgf.m(lbf.ft)
1/4 1.8~2.5 (13~18)
3/8 3.4~4.2 (24~30)
1/2 5.5~6.6 (40~48)
Outdoor unit(24/36 kBtu/h class)
Liquid
side piping
Outdoor unit(18 kBtu/h class)
(Only Indoor Units
18 kBtu/h class )
Gas side piping
A-UNIT
B-UNIT
C-UNIT
D-UNIT
Main gas
side valve
Main liquid
side valve
A-Unit
Gas pipe
B-Unit
Liquid pipe
Torque wrench