Page 10
BLOWER DATA
BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL & AIR FILTERS IN PLACE 
FOR ALL UNITS ADD:
1 - Wet indoor coil air resistance of selected unit. 
2 - Any factory installed options air resistance (heat section, Economizer, etc.) 
Then determine from blower table blower motor output and drive required. 
See page 34 for wet coil and option/accessory air resistance data. 
MINIMUM AIR VOLUME REQUIRED FOR DIFFERENT GAS HEAT SIZES
Low (L), Standard (S) and Medium Heat (M) - 4500 cfm minimum 
High Heat (H) - 5125 cfm minimum
Air Volume 
cfm
0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 1.80 2.00 2.20 2.40 2.60
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2750 385 0.30 505 0.50  0.70   755 1.10 820 1.30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3000  0.35 515 0.55  0.75  1.00  1.20 825 1.45 885 1.70 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3250 405 0.40 520   0.85  1.10  1.30 830   1.85  2.10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3500 415 0.45 530 0.70   700 1.20 775 1.45 840 1.70  2.00  2.25 1005 2.55 - - - - - - - - - - - - - - - - - - - - - - - -
3750 425 0.50 540 0.75  1.05 710 1.30 780  845 1.85  2.15  2.45 1010 2.70  3.00 1110 3.30 - - - - - - - - - - - -
4000 435 0.55 545 0.85  1.10 715 1.40 785 1.70 850 2.00  2.30   1020  1070 3.25 1115 3.55  3.85 1205 4.15
4250 445  555   1.25 725 1.55  1.85 855 2.15  2.45  2.80 1025 3.10 1075 3.45 1120 3.75  4.10 1210 4.45
4500 455 0.70  1.00  1.35 730  800 2.00  2.35    3.00 1030 3.30 1080  1130 4.05 1175 4.35 1215 4.70
4750 470 0.75 575 1.10  1.45 740 1.80 810 2.15 870 2.50  2.85  3.20 1040 3.55 1085  1135 4.25 1180  1225 5.00
5000 480 0.85 585 1.25   750  815 2.30 880 2.70  3.05  3.40 1045 3.80  4.15 1140 4.50 1185  1230 5.30
5250    1.35  1.70 755 2.10 825 2.50    3.25 1000  1050 4.00 1100 4.40 1150 4.80  5.20 1235 
5500 505 1.05  1.45  1.85  2.25 835   3.05  3.45 1010 3.85  4.25 1110 4.70 1155 5.10 1200 5.50 1240 
5750 520 1.15   700 2.00 775 2.45 840 2.85  3.25  
1015 4.10  4.50 1115   5.35 1205 5.80 1250 
 530 1.30  1.75 710 2.15 785  850 3.05  3.45   1025 4.35 1075 4.80 1120 5.20 1170  1215  1255 
 545 1.40   720 2.35  2.80  3.25  3.70  4.15 1030  1080 5.05 1130 5.50 1175  1220   
  1.55  2.05 730 2.50 805 3.00 870 3.45    4.40 1040 4.85  5.35 1140 5.85 1185  1225  1270 7.25
 570 1.70  2.20 745 2.70 815 3.20 880 3.70  4.20   1045 5.10   1145    1235 7.10 1275 
7000 585 1.85  2.35 755  825 3.40    4.45 1005  1055 5.40 1105  1155  1200  1240 7.45 1285 8.00
7250  2.00    3.10 835   4.15   1015 5.25  5.75 1115    1205 7.30 1250 7.85  8.35
7500  2.20 700 2.75 775 3.30 845 3.85  4.45   1020 5.50 1075  1125  1170 7.15 1215   8.25 1300 8.75
7750  2.40 715 3.00  3.55 855 4.10  4.70  5.25 1030 5.80 1080  1130  1180 7.50 1225 8.05   1305 
8000  2.55 725 3.20 800 3.80  4.35    5.50 1040    1140 7.25 1185 7.85 1230 8.40 1275  1315 
8250  2.80 740 3.40 810 4.00 880   5.25  5.85 1050  1100 7.05 1150   8.25 1240 8.85 1280  1325 10.05
8500  3.00 750  825 4.30    5.55 1005    1110 7.40  8.05 1205  1250    1330 10.45
8750  3.25   835 4.55  5.20  5.85 1015  1070 7.15 1120 7.75  8.35 1215  1255  1300 10.30 1340 
 700 3.50 780 4.20 850 4.85  5.50   1025  1080 7.50 1130 8.15 1175 8.75 1220   10.10 1310 10.80 1350 11.40
 715 3.75  4.45  5.15  5.85   1040 7.20  7.85 1140 8.55 1185  1230  1275 10.55 1315 11.20 - - - - - -
 730 4.00 805 4.75 875 5.45   
 1050  1100 8.25 1150    1240 10.30 1285 11.05 - - - - - - - - - - - -
 745 4.30 820 5.05 885 5.75   1005 7.20   1110    1205 10.05 1250 10.80  11.50 - - - - - - - - - - - -
10,000   835 5.40     1015  1070 8.35 1120  1170  1215 10.50  11.25 - - - - - - - - - - - - - - - - - -
10,250 775  845     7.20 1030 8.00 1080 8.75 1135  1180 10.25 1225 11.00 - - - - - - - - - - - - - - - - - - - - - - - -
10,500  5.20       1040 8.40   1145 10.00  10.70 1235 11.45 - - - - - - - - - - - - - - - - - - - - - - - -
10,750 805 5.55 875   7.25 1000 8.05 1055 8.85 1105  1155 10.45 1200 11.20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
11,000 820      1010 8.45   1115 10.05   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -