Heat Controller RAD-123H - Manual (Page 6)

Owner’s Manual Room Air Conditioner with R-410A Heat Controller, Inc.
5
NOTE: Clear Air and/or Follow
Me features only apply to
certain models. Your control
panel may or may not have
there features and display
lights. Check the actual unit
you purchased to determine
if these options apply.
Unit may vibrate and make noise
because of poor wall or window
construction or incorrect installation.
Pinging or Swishing
Droplets of water hitting condenser
during normal operation may cause
pinging or swishing sounds.
Gurgling or hissing noise may
be heard due to refrigerant
passing through evaporator
during normal operation.