Lennox LGM240 User Manual

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   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Lennox LGM240 Specifications

General

Brand	Lennox
Model	LGM240
Category	Furnace
Language	English