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TIGHTENING REFRIGERANT PIPING CONNECTIONS
Caution:
Remove the protection caps on the pipes and connect the assembly piping to each connector. First,
tighten the nuts manually and then with a wrench by applying the tightening torque shown below.
Flare nut size and tightening torque
Applicable size
Installation & service manual _11
1/4 "
3/8 "
1/2 "
5/8 "
3/4 "
Class 2 (for R410A)
Diamètre (mm) x Tightening torque (Nm)
17 x 14 to 18
22 x 34 to 42
26 x 49 to 61
29 x 68 to 82
36 x 100 to 120
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