Flaring work and connection of piping

ConnectionofPiping -Outdoor

Put a couple drops of refrigerant oil on the face of the flare before assembling taking care not to add any contaminants.

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.

Outside diameter

Torque

 

 

 

mm

inch

kgf.cm

Ø6.35

1/4

180~250

Ø9.52

3/8

340~420

Ø12.7

1/2

550~660

Ø15.88

5/8

630~820

Ø19.05

3/4

980~1210

Outdoor unit

Liquid side piping (Smaller diameter)

Gas side piping (Bigger diameter)

Torque wrench

Service Manual 23

Page 23
Image 23
LG Electronics LA120HPI, LA120HPO, LA090HPO, LA120CPO, LA120CPI service manual Connection of Piping -Outdoor