4CLEARANCE TO COMBUSTIBLESUNIT APPLICATION UPFLOW DOWNFLOW HORIZONTALSIDESFurnace 0 2 2Supply Plenum and Warm--- Air Duct Within 6 Ftof Furnace 1 2 1BACK Furnace 0 1 0TOPFurnace Casing or Plenum 2 2 2Horizontal Warm--- Air Duct Within 6 Ft ofFurnace 2 2 3BOTTOM Furnace 0 0* 0*FLUE PIPE Horizontally or Below Pipe 4 4 4Vertically Above Pipe 9 9 9FRONT 8 8 24*For combustible floor, use approved accessory subbase.NOTE: Adequate service clearance should be provided over and above these dimensions as required.PHYSICAL DATAUNIT SIZE 105---12 120---20INPUT (BTUH) 70,000 91,000 105,000 119,000 140,000 154,000HEATING CAPACITY (BTUH)* 57,000 74,000 85,000 97,000 115,000 126,000NOZZLE 0.50 --- 70W 0.55 --- 70B 0.65 --- 70B 0.75 --- 70B 0.85 --- 70B 0.85 --- 70BFIRING RATE (GPH) 0.50 0.65 0.75 0.85 1.00 1.10AFUE% UPFLOW 80.5 80.5 80.5 80.5 80.5 80.5DOWNFLOW 80 80 80 80 80 80HORIZONTAL 80 80 80 80 80 80OIL PUMP STAGES/PRESSURE(PSIG) 1/100 1/140 1/130 1/130 1/140 1/170HEATING TEMP RISE _F 55--- 85 55--- 85 55--- 85 55--- 85 55--- 85 55--- 85COOLING CFM @ 0.5---IN. WCSTATIC PRESSURE 1250 1250 1250 1865 1865 1865HEATING CFM @ 0.2---IN. WCSTATIC PRESSURE 840 1130 1425 1220 1535 1890RECOMMENDED HEATINGBLOWER SPEED Med --- Low Med --- High High Med --- Low Med --- High HighSHIPPING WEIGHT (LB) 235 235 235 260 260 260BURNER MODEL (3450 RPM){ BECKETTAFG--- F3BECKETTAFG--- F3BECKETTAFG--- F3BECKETTAFG--- F3BECKETTAFG--- F3BECKETTAFG--- F6* Capacity and AFUE in accordance with U.S. Government DOE test procedures.{ Beckett AFG---F6 requires field---supplied and replacement burner firing head.Shaded cells are as factory shipped.58CMA