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Installation Manual 17
Flaring Work and Connection of Piping
Outdoor
Align the center of the piping and sufficiently
tighten the flare nut by hand.
Finally, tighten the flare nut with a torque
wrench until the wrench clicks.
• When tightening the flare nut with the torque
wrench, ensure the direction for tightening
follows the arrow on the wrench.
Outdoor unit
36K BTU/h
Liquid side piping
Torque wrench
B-UNIT
A-UNIT
Gas side piping
Torque wrench
Liquid side piping
B-UNIT
C-UNIT
A-UNIT
Gas side piping
Outdoor unit
18/24K BTU/h
Outside diameter Torque
mm inch kgf.m (lbf-ft)
Ø6.35 1/4 1.8 ~ 2.5 (13)
Ø9.52 3/8 3.4 ~ 4.2 (20)