Connecting Copper Pipes
Connecting the pipes to the Outdoor unit
• Align the center of the piping 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
mm
Ø6.35
Ø9.52
Ø12.7
Ø15.88
14 Air Conditioner
Torque
N . m
inch
1/4
16±2
3/8
38±4
1/2
55±6
5/8
75±7
Outdoor unit
❈ When tighten the pipe, hold the valve body.
<Figure 1>
Forward
Downward
Continuous
Torque wrench
Backward
Sideways