User Manual

9
CAPACITY 1000’S BTU PER HOUR PER FOOT OF BURNER
NAT & GAS APPROXIMATE 100° RISE
______ CAPACITY ____ ____ ____ FLAME LENGTH
FIGURE A CAPACITY & FLAME LENGTH WITH VARIOUS AIR FLOWS
TABLE I
Btu/hr. Required for Each 1,000 C.F.M. of Fan Rating (at 70° F.)
LOWEST EXPECTED OUTSIDE TEMPERATURE (°F)DESIRED
DELIVERY
TEMP.
-20° -15° -10° -5° 0° 5° 10° 15° 20° 25° 30°
70°F 99,000 94,000 88,000 82,000 77,000 71,000 66,000 61,000 55,000 49,000 44,000
75°F 104,000 98,000 93,000 87,000 82,000 76,000 71,000 66,000 60,000 54,000 49,000
80°F 108,000 103,000 98,000 92,000 87,000 81,000 76,000 70,000 65,000 59,000 54,000
85°F 113,000 107,000 102,000 96,000 91,000 85,000 80,000 75,000 69,000 64,000 59,000
90°F 117,000 111,000 106,000 101,000 96,000 90,000 85,000 80,000 74,000 69,000 64,000
95°F 121,000 116,000 111,000 105,000 100,000 94,000 89,000 84,000 79,000 73,000 68,000
100°F 125,000 120,000 115,000 109,000 104,000 99,000 94,000 89,000 83,000 78,000 73,000