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Water Heating Coils Steam Coils^^
CFM Face 180°F. Entering Water 200°F. Entering Water CFM One Two
Unit Std Area One Row Two Row One Row Two Row Std Row Row
Size Air Sq. Ft. MBH GPM PD MBH GPM PD MBH GPM PD MBH GPM PD Air MBH MBH
03 1500 3.00 65 10.0 3.9 101 10.0 1.8 76 10.0 3.8 119 10.0 1.8 1375 93 148
06 2844 5.69 125 18.5 8.7 195 18.5 4.8 147 19.0 8.9 229 19.0 4.9 2641 179 284
08 3750 7.50 166 25.0 13.0 259 25.0 5.6 195 25.0 12.7 303 25.0 5.4 3750 254 403
10 4690 9.38 200 31.0 3.6 315 31.0 3.4 236 31.5 3.7 370 31.5 3.5 4675 317 499
12 5844 11.69 253 39.0 5.1 396 39.0 4.9 297 39.0 5.0 464 39.0 4.8 5845 395 628
14 6875 13.75 300 45.5 7.0 470 45.5 6.8 353 46.0 6.9 551 46.0 6.8 6875 465 739
18 8750 17.50 382 58.0 8.5 598 58.0 7.9 449 58.5 8.4 701 58.5 7.9 8438 571 907
20 9625 19.25 428 64.0 12.4 666 64.0 12.4 502 64.5 12.3 781 64.5 12.3 9625 651 1035
26 12750 25.50 557 65.5 13.8 864 85.0 5.7 653 66.0 13.7 1013 85.5 5.7 12750 859 1370
34 17000 34.00 743 87.5 8.4 1152 113.0 7.0 871 88.0 8.3 1351 114.0 7.0 17000 1145 1827
41 20188 40.38 882 104.0 9.3 1368 134.5 8.0 1034 104.0 9.1 1605 135.5 8.0 20190 1360 2170
50 24750 49.50 1077^ 120.5 13.2 1683^ 165.0 6.1 1261^ 120.0 12.9 1974^ 166.0 6.1 23625 1586^ 2539
65 32292 64.58 1384^ 134.5 14.6 2207^ 211.0 8.6 1623^ 135.5 14.5 2589^ 213.5 8.6 31000 1848**
75 37458 74.92 1565^ 136.5 8.8 2562^ 246.5 9.6 1837^ 137.5 8.8 3003^ 248.0 9.5 36167 2156**
CFM Face 180°F. Entering Water Coils 200°F. Entering Water Coils
Unit Std Area One Row Two Row One Row Two Row
Size Air Sq. Ft. MBH GPM PD MBH GPM PD MBH GPM PD MBH GPM PD
03 1565 3.13 45 4.6 0.1 86 8.8 0.7 56 5.7 0.2 104 10.7 0.9
06 2880 5.76 89 9.1 0.4 164 16.9 2.2 108 11.2 0.6 197 20.3 3.0
08 3905 7.81 119 12.2 0.4 221 22.7 2.1 146 15.0 0.6 266 27.5 2.8
10 4885 9.77 153 15.7 0.8 281 28.8 3.5 186 19.2 1.0 336 34.7 4.6
12 6200 12.40 196 20.1 1.0 358 36.7 4.6 238 24.6 1.4 428 44.2 6.1
14 7290 14.58 234 24.0 1.5 425 43.6 6.8 283 29.2 2.1 507 52.3 9.0
18 8855 17.71 285 29.2 1.6 516 52.9 7.2 344 35.5 2.2 615 63.6 9.5
20 10025 20.05 329 33.7 2.8 590 60.5 12.6 395 40.8 3.8 703 72.6 16.6
26 13280 26.56 443 45.5 5.5 767 78.7 3.9 531 54.9 7.4 917 94.7 5.2
34 16825 33.65 561 57.6 6.0 972 99.7 4.2 673 69.5 8.0 1162 120.0 5.6
41 20365 40.73 680 69.7 6.2 1177 120.7 4.4 814 84.1 8.3 1406 145.3 5.9
50 25312 50.63 847^ 86.9 6.2 1467^ 150.4 4.4 1015^ 104.9 8.3 1710^ 176.6 5.4
65 32290 64.58 1088^ 111.6 8.9 1884^ 193.2 6.4 1302^ 134.4 11.9 2247^ 232 8.5
75 37675 75.35 1270^ 130.3 9.4 2198^ 225.4 6.7 1519^ 156.9 12.5 2621^ 270.8 8.9
GPM = Gallons per minute ^ These selections have two circuits. All the other selections have a single circuit .
PD = Water pressure drop in feet of water ^^ All steam coils rated at 5 PSIG Steam.
MBH = BTU per Hour in Thousands ** Steam selections for 65 and 75 are two circuits and are 1 inch diameter tube (Type 8).
* To estimate performance of coils at other than 10 FPI or at other air speeds or with other water or air temperatures or
other steam pressures see page 23, or call your representative. With your representative, you can have specific computer
selected coils rated for your job conditions.
Table 13 Heating 60°F. Air*
Heating,
Water And 5/8" tube, entering air at 60°F.
Steam Type 5**, hot water, heating & steam capacities
10 FPI*, large coils, 500 FPM*
Table 12 Heating 60°F. Air*
Heating,
Water 1/2" tube, entering air at 60°F.
1/2" tube, hot water, heating capacities
10 FPI, large coils, 500 FPM
Air Handler Performance- Hot Water/Steam