Connecting Pipes to the Outdoor Unit
Connecting the pipes to the Outdoor
unit
• Align the center of the pipings and sufficiently
tighten the flare nut with fingers.
• 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
6.35(1/4")
9.52(3/8")
12.70(1/2")
15.88(5/8")
19.05(3/4")
Checking the Drainage
Checking the Drainage
• Remove the Air Filter.
• 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.
kgf . m
N . m
1.8~2.5
14~18
3.4~4.2
36~42
5.5~6.6
49~61
6.3~8.2
68~82
9.9~12.1
100~120
Connecting Pipes to the Outdoor Unit
Outdoor unit
Gas side piping
(Bigger Dia.)
Liquid side piping
(Smaller Dia.)
Torque wrench
Installation Manual 21