OPERATING INSTRUCTIONS
Normal Sounds
RAC-WK05 Model
Sound of Rushing Air
In front of the unit, you
may hear the sound of
rushing air being moved
by the fan.
Gurgle/Hiss
Gurgling or hissing
noises may be heard due
to refrigerant flowing
through evaporator
during normal operation.
RAC-WK06 Model
Sound of Rushing Air
In front of the unit, you
may hear the sound of
rushing air being moved
by the fan.
Gurgle/Hiss
Gurgling or hissing
noises may be heard due
to refrigerant flowing
through evaporator
during normal operation.
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High Pitched Sound
High efficiency compressors may
have a high pitched sound during
cooling cycle.
High Pitched Sound
High efficiency compressors
may have a high pitched sound
during cooling cycle.
Trickling Sound
Droplets of water
hitting condenser
during normal
operation may cause
a trickling sound.
Vibration
Unit may vibrate and
make noise because
of poor wall or window
construction or
incorrect installation.
Trickling Sound
Droplets of water
hitting condenser
during normal
operation may cause
a trickling sound.
Vibration
Unit may vibrate and
make noise because
of poor wall or window
construction or
incorrect installation.
User Manual