58CTW/58CTYPERFORMANCE™ 80 TWO---STAGEVARIABLE---SPEED 4---WAY MULTIPOISEINDUCED---COMBUSTION GAS FURNACEInput Capacities: 45,000 thru 135,000 BtuhSeries 110Product DataPerformanceA10249THE PERFORMANCE 80 GAS FURNACEThe 58CTW/58CTY Two-Stage, Variable--speed, 4-wayMultipoise Gas Furnaces offer unmatched comfort in their classwith ComfortHeatt technology in an 80% AFUE gas furnace.You get the benefits of a ComfortHeatt technology furnace:reduced drafts, reduced sound levels, longer cycles, lesstemperature swings between cycles, and less temperaturedifferences between rooms. Its exclusive, intelligentmicroprocessor control adapts to the heating needs of the home byautomatically adjusting high and low heat times to maximizecomfort. The 58CTW/58CTY furnaces are approved for use withnatural or propane gas.STANDARD FEATURESS ComfortHeatt Technology Intelligent microprocessorcontrolS Two--stage heating with single-stage thermostat withpatented Adaptive Control TechnologyS Very low operating sound through low--stage operation andQuieTecht systemS SmartEvapt--Humidity control when using aThermidistatt controlS Comfort Fant adjustable constant fan speed from thethermostatS Microprocessor based control centerEnhanced diagnostics with LED and reflective sight glassStores fault codes during power outagesAdjustable heating air temperature riseAdjustable cooling airflowS 4-way Multipoise furnace, 13 vent applicationsS Compact design -- only 33-1/3 in. (847 mm) tallS Power Heatt IgniterS Draft Safeguard switch to ensure proper furnace ventingS Insulated blower compartmentS Inner door for tighter sealingS Certified to leak 2 percent or less of its nominal airconditioning CFM delivered when pressurized to 1--In.Water Gauge with all present air inlets and air outlets sealed.S HYBRID HEATr Dual Fuel System compatibleS All models are Chimney Friendly when used with accessoryvent kitS Variable-speed ECM blower motorIncreased SEER ratings for AC and HP systems as compared tothe Air Conditioning Heating and Refrigeration Institute’sstandard coil--only rating when paired with selected Carrierevaporator coils.Perfectly matches CFM to cooling system at all static pointsS Residential installations eligible for consumer financingthrough the Retail Credit Program