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LG A2UH243FA0(LMU240HE) User Manual

Page 29

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Service Manual 29

Flaring Work and Connection of Piping

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.

Liquid side piping

Torque wrench

B-UNIT

A-UNIT

Gas side piping

Outdoor unit

Outside diameter

Torque

mm

inch

kg.m

Ш6.35

1/4

1.8

Ш9.52

3/8

4.2