Consumer SupportTroubleshooting TipsOperating InstructionsSafety InstructionsInstallation Instructions9Preparing to install the air conditioner.Read these instructions completely and carefully.NOTE TO INSTALLER: Leave these instructions withthe air conditioner after installation is completed.NOTE TO CONSUMER: Keep this Owner’s Manualand Installation Instructions for future use.IMPORTANT NOTES:For personal safety, this air conditioner must beproperly grounded.It is important to have the wall outlet and circuitchecked by a qualified electrician if there is anydoubt as to whether a proper ground exists.Follow National Electric Codes (NEC) and/or localcodes and ordinances.CAUTION:Do not, under any circumstances, cut orremove the third (ground) prong from thepower cord.Do not change the plug on the power cordof this air conditioner.Aluminum house wiring may presentspecial problems—consult a qualifiedelectrician.Before You BeginSome models require 115/120-volt ac,60-Hz grounded outlet protected witha 15-amp time delay fuse or circuitbreaker.The 3-prong grounding plug minimizes thepossibility of electric shock hazard. If the wall outletyou plan to use is only a 2-prong outlet, it is yourresponsibility to have it replaced with a properlygrounded 3-prong wall outlet.Some models require 230/208-volt ac,protected with a time delay fuse or circuitbreaker. These models should be installedon their own single branch circuit for bestperformance and to prevent overloadinghouse or apartment wiring circuits, whichcould cause a possible fire hazard fromoverheating wires.Electrical Requirementsn Phillips-head screwdrivern Adjustable wrenchn Ruler or tape measuren Scissors or knifen Penciln LevelTools You Will Need