Nor m al Sounds Operating Instructions MAW15R1 High Pitched Chatter In front of the unit, you may hear the sound of rushing air being moved by the fan. Sound of Rushing Air Pinging or Switching Operating Instructions during normal Gurgle/Hiss Gurgling or hissing noises may be heard due to refrigerant Vibration Unit may vibrate and evaporator during normal operation. MAW06R1 / MAW08R1 / MAW10R1 / MAW12R1 High Pitched Chatter Modern compressors may have a high pitched sound during cooling cycle. Vibration Sound of Rushing Air In front of the unit, you may hear the sound of rushing air being moved by the fan.
Unit may vibrate and make noise because of poor wall or window construction or incorrect installation. Gurgle/Hiss Gurgling or hissing noise may be heard due to UHIULJHUDQWµRZLQJ through evaporator during normal operation. Pinging or Switching Droplets of water hitting condenser during normal operation may cause pinging or swishing. NOTE All the pictures in this m anual are for illustrative purposes only. The actual appearance of the air conditioner you purchased m ay vary slightly, but its operation and functions will be si m ilar. Page 9