LG TCM 18 Service Manual page 30

3. 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
1/4"
Liquid Side
3/8"
1/2"
Gas Side
5/8"
4. Checking the Drainage
1) Checking the Drainage
1. Remove the Air Filter.
• To remove air filter, take hold of tab and pull
slightly upwards.
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
1.8kg·m
4.2kg·m
5.5kg·m
6.6kg·m
–30–
Outdoor unit
Torque wrench
Gas side piping
(Bigger Dia.)
Liquid side piping
(Smaller Dia.)