KCASERIESOWNER’S GUIDEHave a question? Need help?Call 1-800 CARRIER in the U.S.A. only.For future reference, fill in the information below andkeep this guide in a safe place. Please keep a copy ofyour receipt for warranty purposes.This book is for 73KCA051D mechanical control airconditioners and 73KCA061P and 73KCA081P elec-tronic control room air conditioners.DEALER NAME ___________________________________________________ADDRESS ________________________________________________________TELEPHONE _____________________________________________________MODEL/CATALOG NUMBER _______________________________________SERVICE DISCRETE NUMBER _____________________________________SERIAL NUMBER _________________________________________________PLEASE KEEP A COPY OF YOUR RECEIPT FOR WARRANTY PURPOSES.CONTENTSPageA FEW WORDS ABOUT YOUR NEWAIR CONDITIONING UNIT . . . . . . . . . . . . . . . . . . . . . .2REQUIRED TOOLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6WIRING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3LOCATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3WINDOW INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . .4STORM WINDOW APPLICATIONS . . . . . . . . . . . . . . . .6OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8MECHANICAL CONTROLS . . . . . . . . . . . . . . . . . . . . . . .6ELECTRONIC CONTROLS. . . . . . . . . . . . . . . . . . . . . . . . .6ENERGY SAVING TIPS . . . . . . . . . . . . . . . . . . . . . . . . . . . .8PageMAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8CLEAN FILTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8CLEAN FRONT PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . . 8CLEAN BASEPAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8CARE OF THE REMOTE CONTROL . . . . . . . . . . . . . . . 8REMOTE CONTROL BATTERYREPLACEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-11