Carrier 52F - Manual (Page 3)

Product Registration
Record Your Model and Serial Numbers
Record in the space provided below the model and serial numbers. On most
models, the serial plate is located on the outside of the cabinet. On some models,
remove the filter and look at the bottom edge of the air conditioner behind the
front grille for the model and serial numbers.
Model No.
Serial No.
Contents
NOTE: This Owner's Guide provides
specific operating instructions for your
model. Use the room air conditioner only
as instructed in this Owner's Guide.
These instructions are not meant to
cover every possible condition and
situation that may occur. Common sense
and caution must be practiced when
installing, operating, and maintaining
any appliance.
2 Warranty
3 Product Registration
3 Normal Sounds
4 Important Safety Instructions
4 Energy Saving Ideas
5 Using Air Conditioner
5-9 Air Conditioner Features
9 Care and Cleaning
10 Avoid Service Checklist
Normal Sounds
Sound of Rushing Air
High Pitched Chatter
Today's high efficient
compressors may have a
high pitched chatter during
the cooling cycle.
Vibration
Unit may vibrate and make
noise because of poor wall
or window construction or
incorrect installation.
refrigerant passing through evaporation during
normal operation.
Pinging or Swishing
Droplets of water hitting
condenser during normal
operation may cause
"pinging or swishing"
sounds.