Haier HWE18VCN, User & Care Manual

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NORMAL SOUNDS
While your air conditioner is operating, it is normal to hear the following sounds:
Your new air conditioner is designed to give you many years of dependable service. This section
tells you how to clean and care for your air conditioner properly.
ENGLISH
PAGE 28 USING YOUR AIR CONDITIONER
SOUNDS REASON
Air movement Air rotating around the fan.
Window vibration Installation not correct. Refer to Install section
Pinging
Water droplets being thrown against the condenser (outside) coil. This
helps cool the condenser coil.
High pitched hum The compressor turning on and off.
Clicking The thermostat turning on and off.
Gurgling Refrigerant moving through the evaporator (inside) coil.
NORMAL SOUNDS OF AN AIR CONDITIONER