Possible Sounds
Sound of Rushing Air
At the front of
the unit, you
may hear the
sound of
rushing air
being moved
by the fan.
Gurgle/Hiss
Gurgling or hissing may be
heard due to refrigerant passing through
the evaporator during normal operation.
Specifications
Model
Rated Voltage
Lowest Voltage of CPU Emitting Signal
Signal Receiving Range
Environment
High-Pitched Chatter
High-efficiency compressors
may make a high-pitched chatter
during the cooling cycle.
R09
3.0V (Alkaline batteries Lr03x2)
2.4V
5m
23 - 140
Possible sounds and specifications
vibration
The unit may vibrate and
make noise because
of poor wall or window
construction or incorrect
installation.
Pinging or Clicking
Droplets of water hitting
the condenser during
normal operation may
cause pinging or
clicking sounds.
F (-5 - 60
C)
o
o
28