22 Room Air Conditioner
Installation

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 like the following.
Drain pan
Drain
hose
Leakage
checking
Connecting area
drain hose
Leakage
checking
Downward slope
Do not raise Accumulated
drain water
Tip of drain hose
dipped in water
Air
Kinking
Water
leakage
Water
leakage Ditch
Less than
50mm gap
Water
leakage