Electrolux EXO18HEIWE Manuel D'installation page 29

Tightening Connection
• Align the center of the pipes.
• Sufficiently tighten the flare nut with
fingers, and then tighten it with a
spanner and torque wrench as shown
in below drawing.
Fig.53
Indoor unit tubing Flare nut Pipings
Outer Tightening
diam. torque
(N.cm)
ø6.35
1500
(153kgf.cm)
ø9.52
1500
(255kgf.cm)
ø12.7
3500
(357kgf.cm)
CAUTION!
Excessive torque can break nut
depending on installation conditions.
ENGLISH 29
Additional
tightening
torque
(N.cm)
1600
(163kgf.cm)
2600
(265kgf.cm)
3600
(367kgf.cm)