From inside (document excerpt):
58DLA/DLX COMFORTTM 80 DELUXE 4-WAY MULTIPOISE INDUCED-COMBUSION GAS FURNACE Input Capacities: 45,000 thru 155,000 Btuh Product Data THE CARRIER ComfortTM 80 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 ComfortTM 80 an incredibly quiet induced-draft gas furnace. The exclusive Carrier Media Cabinet provides an economic way to add high performance air filtration to homes.
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The gas furnace 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. STANDARD FEATURES Comfort QuieTechTM noise reduction system SmartEvapTM–Humidity control when using a Thermidistat Control Comfort FanTMadjustable constant fan speed from the thermostat High-Efficiency Media Filtration Cabinet included Microprocessor based control center LED diagnostics and self test feature Stores fault codes during power outages Adjustable heating air temperature rise Adjustable cooling airflow Dehumidification selection for summer-time cooling 4-way Multipoise furnace, 13 vent applications Compact design – only 33-1/3 in. tall Power HeatTM Igniter Draft safeguard switch to ensure proper furnace venting Insulated blower compartment Inner door for tighter sealing Hybrid HeatTM compatible All models are chimney friendly when used with accessory vent kit Twinning in Upflow, Downflow and Horizontal Residential installations eligible for consumer financing through the Retail Credit Program A04040 LIMITED WARRANTY 20-year warranty on “Super STM ” heat exchanger 5-year parts warranty on all other components BLOWER OFF-DELAY 90 150 120 180 Y1 DHUM G COM W/W1 Y/Y2 24V R NUETRAL BL W STATUS CODE LED FUSE 3-AMP SEC-2 SEC-1 EA C-2 PLT TEST/TWIN HUM 0.5 AMP@24VAC L2 PLT 1 58DLA/DLX Input Capacity 045 — 44,000 Btuh 070 — 66,000 Btuh 090 — 88,000 Btuh COOL HEAT A02169 FAN SPARE-1 SPARE-2 1-AMP@ L1 PL2 1 EAC-1 115V AC PR-1 A02169 A02215 A02170 HEAT EXCHANGER CONTROL BOARD INDUCER BLOWER Model number nomenclature 58DLA 045 100 58DLA Deluxe 4-Way Multipoise 58DLX Low NOx version 08 Nominal Cooling Size (Airflow at .5 e.s.p.) (400 CFM per 12,000 Btuh) 08 — 800 CFM 12 — 1200 CFM 14 — 1400 CFM 16 — 1600 CFM 20 — 2000 CFM 22.