LG LAN121CNM Service Manual - Page 24

Connection of The Drain Hose • The drain hose can be connected at two different positions. Use the most convenient position and, if necessary, exchange the position of the drain pan, rubber cap and the drain hose. – Drain pan — Rubber cap ˜ Drain hose ™ Exchange if necessary • Remove the drain hose. • Securely insert both the rubber plug and drain hose into the drain outlets. Be sure the rubber the cap is securely fastened so that there is no leakage. Connection of Piping -Outdoor Put a couple drops of refrigerant oil on the face of the flare before assembling taking care not to add any contaminants. Align the center of the pipings and sufficiently tighten the flare nut by hand. 2 4 3 1 Outdoor unit Suction Line piping (Bigger diameter) Evaporator Line piping (Smaller diameter) 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. Outside diameter mm inch Ø6.35 1/4 Ø9.52 3/8 Ø12.7 1/2 Ø15.88 5/8 Ø19.05 3/4 Torque 1.8 4.2 5.5 6.6 6.6 24 Room Air Conditioner Torque wrench