®to the ExpertgOwner's ManualNOTE TO INSTALLER: THIS MANUAL MUST BE LEFTWITH THE EQUIPMENT USER.USER: Please read all instructions in the manual and retain allmanuals for future reference.FIRE OR EXPLOSION HAZARDFailure to follow safety warnings exactly could result ininjury, death, or property damage.Do not store or use gasoline or other flammable vapors andliquids in the vicinity of this or any other appliance.WHAT TO DO IF YOU SMELL GAS-Do not try to light any appliance.-Do not touch any electrical switch; do not use anyphone in your building.-Leave the building immediately.-Immediately call your gas supplier from a neighbor'sphone. Follow the gas supplier's instructions.-If you cannot reach your gas supplier, call the firedepartment.Installation and service must be performed by a qualifiedinstaller, service agency or the gas supplier.CARBON MONOXIDE POISONING HAZARDFailure to follow this warning could result in personalinjury and/or death.Carbon Monoxide is invisible, odorless, and toxic! CarrierCorporation recommends a carbon monoxide alarm in yourhome, even if you do not own a gas appliance. Locate thecarbon monoxide alarm in the living area of your home andaway from gas appliances and doorways to attachedgarages. Follow the alarm manufacturer's instructionincluded with the alarm.Do not use this furnace if any part has been under water. Aflood-damaged furnace is extremely dangerous. Attempts touse the furnace can result in fire or explosion. A qualifiedservice agency should be contacted to inspect the furnaceand to replace all gas controls, control system parts,electrical parts that have been wet or the furnace if deemednecessary.As an ENERGY STAR(.> Partner,Carrier Corporation has deter-mined that this product meetsthe ENERGY STAR(.> guidelinesfor energy efficiency.SAFETY CONSIDERATIONSRecognize safety information. This is the safety-alert symbol A"xWhen you see this symbol on the furnace and in instructions ormanuals, be alert to the potential for personal iniury.Understand the signal words: DANGER, WARNING, andCAUTION. DANGER identifies the most serious hazards whichwill result in severe personal injury or death. WARNING signifieshazards which could result in personal injury or death. CAUTIONis used to identify unsafe practices which may result in minorpersonal injury or product and property damage. NOTE is used tohighlight suggestions which will result in enhanced installation,reliability or operation.To minimize the possibility of serious personal injury, fire, furnacedamage, or improper operation; carefully follow these safetyrules:• Your gas furnace uses air from outside the home for combustionand vents flue gas to the outdoors. It is not to be installed usingindoor air for combustion. The vent pipe must terminate outsidethe structure and must not be obstructed in any way. Theair-intake pipe must terminate outside the structure or in a wellventilated area that is isolated from the living space and thegarage (e.g. well ventilated attic or crawlspace). Do not block orobstruct air openings on furnace or spaces around furnace.• Keep the area around your furnace clear and free of combustiblematerials, gasoline, and other flammable liquids and vapors.