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4. Connecting Pipes to the Outdoor Unit
1) Connecting the pipes to the
Outdoor unit
1. Align the center of the pipings and
sufficiently tighten the flare nut with
fingers.
2. 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.
Pipe size
Φ6.35
Φ9.52
Φ12.7
Φ15.88
Φ19.05
5. Checking the Drainage
1) Checking the Drainage
1. Remove the Air Filter.
2. Check the drainage.
• Spray one or two glasses of water upon
the evaporator.
• Ensure that water flows drain hose of
indoor unit without any leakage.
Torque[kgf.cm]
180~250
340~420
500~610
630~820
990~1210
14
Outdoor unit
Gas side piping
(Bigger Dia.)
Liquid side piping
(Smaller Dia.)
Torque wrench
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