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Service Manual 29
Checking The Drainage
• Pour a glass of water on the drain pan.
• Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the
drain exit.
Drain piping
• The drain hose should point downward for easy drain flow.
Drain pan
Drain
hose
Leakage
checking
Connecting area
drain hose
Leakage
checking
Downward slope
• Avoid these situations.
Do not raise
Accumulated
drain water
Tip of drain hose
dipped in water
Air
Waving
Water
leakage
Water
leakage
Ditch
Less than
50mm gap
Water
leakage