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Lennox LHT156

Lennox LHT156
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Page 7
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.

󰀨
Then determine from blower table blower motor output and drive required.

See page 9 for minimum air volume required for use with optional electric heat.
Air Volume
cfm
TOTAL STATIC PRESSURE - Inches Water Gauge (Pa)
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  0.30 505 0.50  0.70  0.90 755 1.10  1.30 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3000 395 0.35 515 0.55  0.75  1.00  1.20  1.45  1.70 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3250 405 0.40 520     1.10  1.30     950 2.10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
3500 415 0.45 530 0.70  0.95 700 1.20 775 1.45  1.70 900 2.00 955 2.25 1005 2.55 - - - - - - - - - - - - - - - - - - - - - - - -
3750 425 0.50 540 0.75  1.05 710 1.30     905 2.15  2.45 1010 2.70  3.00 1110 3.30 - - - - - - - - - - - -
4000 435 0.55 545   1.10 715 1.40  1.70  2.00 910 2.30   1020 2.90 1070 3.25 1115 3.55   1205 4.15
4250 445  555 0.90  1.25 725 1.55 795   2.15 915 2.45 970  1025 3.10 1075 3.45 1120 3.75  4.10 1210 4.45
4500 455 0.70  1.00  1.35 730   2.00  2.35 925   3.00 1030 3.30   1130 4.05 1175 4.35 1215 4.70
4750 470 0.75 575 1.10  1.45 740   2.15  2.50 930   3.20 1040 3.55  3.90 1135 4.25   1225 5.00
5000    1.25   750 1.95  2.30  2.70 940 3.05 995 3.40 1045  1095 4.15 1140 4.50  4.90 1230 5.30
5250 495 0.95 595 1.35  1.70 755 2.10  2.50  2.90 945 3.25 1000  1050 4.00 1100 4.40 1150  1195 5.20 1235 
5500 505 1.05  1.45    2.25    3.05 955 3.45 1010   4.25 1110 4.70 1155 5.10 1200 5.50 1240 5.90
5750 520 1.15   700 2.00 775 2.45   905 3.25   1015 4.10  4.50 1115
4.95  5.35 1205  1250 
 530 1.30  1.75 710 2.15    3.05 910 3.45 970 3.90 1025 4.35 1075  1120 5.20 1170  1215  1255 
 545 1.40  1.90 720 2.35 795   3.25 920 3.70 975 4.15 1030   5.05 1130 5.50 1175 5.95 1220   
  1.55  2.05 730 2.50  3.00  3.45 930 3.95  4.40 1040  1090 5.35 1140    1225  1270 7.25
 570 1.70  2.20 745 2.70  3.20  3.70 940 4.20 995  1045 5.10 1095  1145  1190  1235 7.10 1275 
7000    2.35 755 2.90  3.40  3.95 950 4.45 1005 4.95 1055 5.40 1105 5.95 1155  1200  1240 7.45  
7250  2.00    3.10   900 4.15 955  1015 5.25  5.75 1115    1205 7.30 1250  1290 
7500  2.20 700 2.75 775 3.30   910 4.45  4.95 1020 5.50 1075  1125  1170 7.15 1215    1300 
7750  2.40 715 3.00 790 3.55  4.10 920 4.70 975 5.25 1030    1130   7.50 1225    1305 9.15
  2.55 725 3.20    4.35 930 4.95  5.50 1040  1090  1140 7.25   1230  1275 9.00 1315 
   740 3.40  4.00   940 5.25 995  1050  1100 7.05 1150  1195  1240   9.40 1325 10.05
  3.00 750   4.30  4.90 950 5.55 1005    1110 7.40   1205  1250 9.25 1290  1330 10.45
  3.25  3.90  4.55 900 5.20   1015  1070 7.15 1120 7.75   1215 9.05 1255  1300 10.30 1340 10.90
9000 700 3.50  4.20   910 5.50 970  1025   7.50 1130  1175  1220 9.40  10.10 1310  1350 11.40
9250 715 3.75 790 4.45  5.15 925    1040 7.20 1090  1140   9.20 1230  1275 10.55 1315 11.20 - - - - - -
9500 730 4.00  4.75  5.45 935  995  1050  1100 
1150  1195  1240 10.30  11.05 - - - - - - - - - - - -
9750 745 4.30  5.05  5.75 950  1005 7.20  7.95 1110   9.40 1205 10.05 1250  1295 11.50 - - - - - - - - - - - -
    5.40 900    1015  1070  1120 9.05 1170  1215 10.50  11.25 - - - - - - - - - - - - - - - - - -
 775 4.90   910  970 7.20 1030    1135 9.55  10.25 1225 11.00 - - - - - - - - - - - - - - - - - - - - - - - -
 790 5.20   925    1040  1095 9.20 1145 10.00 1190 10.70 1235 11.45 - - - - - - - - - - - - - - - - - - - - - - - -
  5.55   940 7.25 1000  1055  1105  1155 10.45 1200 11.20 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
  5.90   950  1010   9.30 1115 10.05  10.90 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

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