LG LMU240HE Service Manual - Page 34

Checking the Drainage, Forming the Pipings and Long Pipe Setting Checking the Drainage, Forming the Pipings and Long Pipe Setting Checking the drainage To check the drainage. 1. Pour a glass of water on the evaporator. 2. Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit. Drain piping 1. The drain hose should point downward for easy drain flow. 2. Do not make drain piping. Downward slope Do not raise Accumulated drain water Air Water leakage Water leakage Waving Tip of drain hose dipped in water Water leakage Ditch Less than 50mm gap 34 Multi type Air Conditioner