From inside (document excerpt):
Product Data 58DLA/DLX WeatherMaker® 8000 Deluxe 4-Way Multipoise Induced-Combustion Gas Furnace Input Capacities: 45,000 thru 155,000 Btuh THE CARRIER 58DLA/DLX GAS FURNACE The 58DLA/DLX 4-way Multipoise Gas Furnaces offer deluxe features not found in other single-stage 80% gas furnaces. Carrier’s QuieTechTM noise reduction system makes the WeatherMaker 8000 an incredibly quiet induced draft gas furnace.
The exclusive Carrier Media Cabinet provides an economic way to add high performance air filtration to homes. The WeatherMaker 8000 control system provides a dehumidification mode, a third motor speed selection for continuous fan operation selectable at the thermostat, and fault code storage in the event of power outages. Applications are easy with 4-way multipoise design, through-the-furnace downflow venting, 13 different venting options, and a door designed for easy service access. An inner blower door is provided for tighter sealing in sensitive applications. The 58DLA/DLX furnaces are approved for use with natural or propane gas, and the 58DLX is approved for use in Low NOx Air Quality Management Districts. WeatherMaker 8000 STANDARD FEATURES QuieTech noise reduction system Media Filter Cabinet Included Microprocessor based control center Dehumidification selection for summer-time cooling Adjustiable heating air temperature rise Adjustable cooling airflow Comfort FanTMConstant fan speed selectable from thermostat LED diagnostics and self test feature Stores fault codes during power outages 4-way Multipoise furnace, 13 vent applications Only 33-1/3 tall Inner blower door Hot surface ignition (HSI) Draft safeguard switch to ensure proper furnace venting Insulated blower compartment Heat pump compatible Residential installations eligible for consumer financing through the Retail Credit Program LIMITED WARRANTY A02179 20-year warranty on “Super STM ” heat exchanger 5-year parts warranty on all other components 2003 Carrier Corporation Form 58DL-3PD BLOWER OFF-DELAY 90 150 120 180 Y1 DHUM G COM W/W1 Y/Y2 24V R NUETRAL