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Water Discharge Test
• Before the test, make sure that the water discharge pipeline is smooth, and check that each
connection is sealed properly.
• Conduct the water discharge test in the new room before the ceiling is paved.
1. Connect the power supply, and set the air conditioner to operate in the cool mode.
Check the running sound of the drainage pump.
2. keep cool mode running at least 10 min.
3. Stop the air conditioner. Wait for three minutes, and then check if there is anything
unusual. If the water discharge piping layout is not correct, the excessive water ow will
cause the water level error and "EE" error code will be displayed on the display panel. There
may even be water over owing from the water pan.
4. Continue to add water until the alarm for excessive water levels is triggered. Check if the
drainage pump drains water immediately. After three minutes, if the water level does not
fall below the warning level, the unit will shut down.
At this time, you need to turn o the power supply, and drain away the accumulated water
before you can turn on the unit normally.
5. Turn o the power supply, remove the water manually using the drainage plug, and put
the test cap back to the original place.
The drainage plug at the bottom of the unit body is used to discharge accumulated water from
the drain pan when the air conditioner malfunctions. When the air conditioner is operating
normally, make sure the drainage plug is properly plugged to prevent water from leaking.
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