OPERATING INSTRUCTIONS
Normal Sounds
RAC-WK05 Models
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-WK08 / RAC-WK10 / RAC-WK12 Models
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.
NOTE
All the pictures in this manual are for illustrative purposes only. The actual appearance of the air
conditioner you purchased may vary slightly, but its operation and functions will be similar.
Page 8
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