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.
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.
4. Connecting Pipes to the Outdoor Unit
5. Checking the Drainage
14
Liquid side piping
(Smaller Dia.)
Gas side piping
(Bigger Dia.)
Torque wrench
Outdoor unit
Pipe size
Torque
1/4"
1.8kg.m
3/8"
4.2kg.m
1/2"
5.5kg.m
1/2"
5.5kg.m
Gas Side
5/8"
6.6kg.m
3/4"
6.6kg.m
Liquid
Side
