Perfect Aire PAC5000 - Manual (Page 6)

5
NOTE: All of the pictures in this manual are for explanatory purposes only. The actual shape/look of the
air conditioner purchased may be slightly different, but the operations and functions are similar.
Sound of Rushing Air
At the front of the unit, you may
hear the sound of rushing air
being moved by the fan
High Pitched Chatter
High efficiency compressors
may have a high pitched chatter
during the cooling cycle.
Gurgle/Hiss
“Gurgling” or “hissing” noise may
be heard due to refrigerant
passing through evaporator
during normal operation.
Pinging or Switching
Droplets of water hitting condenser
during normal operation may cause
“pinging” or “switching” sounds.
Vibration
Unit may vibrate and make noise
because of poor wall or window
construction or incorrect installation.
NORMAL SOUNDS