Lennox G43UF SERIES Unit Information page 7

BLOWER/WATTS DATA
G43UF−60D−135 PERFORMANCE (Less Filter) − Single Side Return Air − Air volumes in bold require field fabricated transi-
tion to accommodate 20 x 25 x 1 in. (508 x 635 x 25 mm) air filter in order to maintain proper air velocity.
External Static
Pressure Pressure
in. w.g. Pa cfm
0.00 0 2665
0.10 25 2615
0.20 50 2530
0.30 75 2470
0.40 100 2380
0.50 125 2310
0.60 150 2200
0.70 175 2120
0.80 200 2025
0.90 225 1930
NOTES − All air data is measured external to unit without filter (not furnished − field provided).
G43UF−60D−135 PERFORMANCE (Less Filter) − Bottom Return Air, Side Return Air with Optional RAB Return Air Base,
Return Air from Both Sides or Return Air from Bottom and One Side.
External Static
P Pressure
in. w.g. Pa cfm
0.00 0 2730
0.10 25 2670
0.20 50 2600
0.30 75 2525
0.40 100 2445
0.50 125 2360
0.60 150 2290
0.70 175 2205
0.80 200 2110
0.90 225 1970
NOTES − All air data is measured external to unit without filter (not furnished − field provided).
Air Volume / Watts at Different Blower Speeds
High Medium−High
L/s Watts cfm
1260 1440 2325
1235 1405 2310
1195 1370 2280
1165 1330 2235
1125 1290 2175
1090 1265 2120
1035 1230 2055
1000 1190 1970
955 1160 1890
910 1110 1800
Air Volume / Watts at Different Blower Speeds
High Medium−High
L/s Watts cfm
1290 1465 2425
1260 1440 2400
1225 1400 2365
1190 1360 2315
1155 1325 2260
1115 1280 2195
1080 1255 2130
1040 1220 2035
995 1195 1945
930 1120 1835
Medium−Low
L/s Watts cfm
1095 1100 1865
1090 1065 1915
1075 1055 1925
1055 1015 1920
1025 985 1910
1000 965 1890
970 935 1835
930 900 1790
890 875 1720
850 835 1655
Medium−Low
L/s Watts cfm
1145 1125 2055
1135 1100 2065
1115 1070 2045
1095 1045 2035
1065 1015 2020
1035 985 1960
1005 965 1900
960 910 1825
915 880 1765
865 830 1680
Page 7
L/s Watts cfm
880 890 1410
905 865 1465
910 850 1570
905 825 1590
900 805 1590
890 790 1595
865 765 1580
845 740 1545
810 710 1515
780 685 1440
L/s Watts cfm
970 915 1560
975 890 1590
965 865 1620
960 845 1615
955 820 1615
925 790 1610
895 755 1600
860 730 1570
830 710 1540
795 690 1540
Low
L/s Watts
665 690
690 685
740 675
750 670
750 655
755 645
745 630
730 605
715 590
680 570
Low
L/s Watts
735 680
750 675
765 665
760 655
760 645
760 635
755 615
740 600
725 580
725 545