6Physical data* Gas input ratings are certified for elevations to 2000 ft. For elevations above 2000 ft, reduce ratings 4% for each 1000 ft above sea level. Refer to NationalFuel Gas Code Table F4 or furnace Installation Instructions. In Canada, derate the unit 10% for elevations 2000 to 4500 ft above sea level.† Capacity in accordance with U.S. Government DOE test procedures.‡ Airflow shown is for bottom only return-air supply. For air delivery above 1800 CFM, see Air Delivery Table for other options. A filter is required for eachreturn-air supply. An airflow reduction of up to 7% may occur when using a Carrier 4-5/15 high efficiency media filter.ICS — Isolated Combustion SystemN/A-Not ApplicableBlower performance dataUNIT SIZE045 070 09008 12 08 12 16 14 16OUTPUT CAPACITY BTUH*(Nonweatherized ICS) †58DLX Upflow; all 58DLA 35,000 36,000 53,000 54,000 53,000 71,000 71,00058DLX Downflow/Horizontal 34,000 34,000 51,000 51,000 51,000 68,000 68,000INPUT BTUH* 58DLX Upflow; all 58DLA 44,000 44,000 66,000 66,000 66,000 88,000 88,00058DLX Downflow/Horizontal 42,000 42,000 63,000 63,000 63,000 84,000 84,000AFUE%* Nonweatherized ICS 80.0 80.0 80.0 80.0 80.0 80.0 80.0CERTIFIED TEMP RISE RANGE (°F) 30–60 20–50 40–70 30–60 25–55 40–70 30–60CERTIFIED EXT STATIC PRESSURE Heating 0.10 0.10 0.12 0.12 0.12 0.15 0.15Cooling 0.50 0.50 0.50 0.50 0.50 0.50 0.50AIRFLOW CFM‡ Heating 920 1250 720 1195 1450 1375 1505Cooling 845 1160 900 1200 1530 1385 1720LIMIT CONTROL SPSTHEATING BLOWER CONTROL Solid-State Time OperationBURNERS (Monoport) 2 2 3 3 3 4 4GAS CONNECTION SIZE 1/2-in. NPTGAS VALVE (Redundant) Manufacturer White-RodgersMinimum Inlet Pressure (In. wc) 4.5 (Natural Gas)Maximum Inlet Pressure (In. wc) 13.6 (Natural Gas)IGNITION DEVICE Hot SurfaceUNIT SIZE045 070 09008 12 08 12 16 14 16DIRECT-DRIVE MOTOR Hp (PSC) 1/5 1/3 1/5 1/3 1/2 1/3 1/2MOTOR FULL LOAD AMPS 2.9 5.2 2.9 5.2 7.9 5.2 7.9RPM (Nominal) – SPEEDS 1075-3 1075-4 1075-3 1075-4 1075-4 1075-4 1075-4BLOWER WHEEL DIAMETER WIDTHS (In.) 10 x 6 10 x 6 10 x 6 10 x 6 11 x 8 10 x 8 10 x 10