Lennox 80MGF Series Manual page 6

80MGF4-75, 80MGF3/4-100 AND 80MGF3/4-120 BLOWER PERFORMANCE
External Static External Static
Pressure
in. w.g. Pa
0 0
.05 12
.10 25
.15 37
.20 50
.25 62
.30 75
.40 100
.50 125
.60 150
.70 175
NOTE All air data is measured external to unit with 1 in. (25 mm) cleanable filter (not furnished) in place. Also see Filter Air Resistance table
80MGF4/5-100, 80MGF4/5-120 AND 80MGF4/5-140 BLOWER PERFORMANCE
External Static External Static
Pressure
in. w.g. Pa
0 0
.05 12
.10 25
.15 37
.20 50
.25 62
.30 75
.40 100
.50 125
.60 150
.70 175
NOTE All air data is measured external to unit with 1 in. (25 mm) cleanable filter (not furnished) in place. Also see Filter Air Resistance table
High Medium-High
cfm L/s cfm
1830 865 1600
1815 855 1585
1800 850 1570
1875 885 1550
1750 825 1530
1725 815 1515
1700 800 1500
1650 780 1460
1600 755 1420
1550 730 1380
1480 700 1330
High Medium-High
cfm L/s cfm
2450 1155 2160
2440 1150 2155
2430 1145 2150
2415 1140 2135
2400 1135 2120
2380 1125 2105
2360 1115 2090
2310 1090 2050
2260 1065 2000
2180 1030 1950
2100 990 1890
FILTER AIR RESISTANCE
cfm (L/s)
0 (0)
200 (95)
400 (185)
600 (280)
800 (375)
1000 (470)
1200 (560)
1400 (655)
1600 (750)
1800 (845)
2000 (935)
2200 (1030)
2400 (1125)
2600 (1220)
Air Volume at Various Blower Speeds
Medium
L/s cfm L/s
755 1325 625
750 1320 625
740 1315 620
730 1310 620
720 1300 615
715 1290 610
710 1275 600
690 1245 590
670 1210 570
650 1170 550
630 1130 535
Air Volume at Various Blower Speeds
Medium
L/s cfm L/s
1020 1970 930
1015 1965 925
1015 1960 925
1010 1950 920
1000 1940 915
995 1930 910
985 1915 905
965 1870 880
945 1810 855
920 1750 825
890 1700 800
in. w.g. (Pa)
0.00 (0)
0.01 (2)
0.03 (7)
0.04 (10)
0.06 (15)
0.09 (22)
0.12 (30)
0.15 (37)
0.19 (47)
0.23 (57)
0.27 (67)
0.33 (82)
0.38 (95)
0.44 (110)
Page 6
Medium-Low Low
cfm L/s cfm
1070 505 880
1070 505 880
1070 505 880
1065 505 875
1060 500 875
1050 495 870
1040 490 870
1020 480 860
1000 470 840
980 460 820
960 455 790
Medium-Low Low
cfm L/s cfm
1700 800 1500
1695 800 1500
1690 800 1495
1685 795 1495
1680 795 1490
1675 790 1480
1670 790 1470
1650 780 1440
1610 760 1410
1560 735 1370
1520 715 1330
L/s
415
415
415
415
415
410
410
405
395
385
375
L/s
710
710
705
705
705
700
695
680
665
645
630