Checking The Drainage And Forming The Pipings; Checking The Drainage - LG LA120CPI Service Manual

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Checking the drainage and forming the pipings

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 like the following.

Do not raise

Water

leakage

Accumulated

drain water

Air

Water

Waving

leakage

Checking the drainage and forming the pipings

Tip of drain hose

dipped in water

Water

leakage

Ditch

(mm

)

Downward slope

Less than

50mm gap

Service Manual 27

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