29
ENGLISH
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
Outer
diam.
Tightening
torque
(N.cm)
Additional
tightening
torque
(N.cm)
ø
6.35
1500
(153kgf.cm)
1600
(163kgf.cm)
ø
9.52
1500
(255kgf.cm)
2600
(265kgf.cm)
ø
12.7
3500
(357kgf.cm)
3600
(367kgf.cm)
CAUTION!
Excessive torque can break nut
depending on installation conditions.
Flare nut Pipings
Indoor unit tubing
Summary of Contents for EXC09JEIWI
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