Lennox Hearth G43UF User Manual
Page 14

G43UF / Page 14
BLOWER/WATTS DATA
G43UF−48C−090 PERFORMANCE (Less Filter)
External Static
Air Volume / Watts at Different Blower Speeds
External Static
Pressure
High
Medium−High
Medium−Low
Low
in. w.g.
Pa
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
0.00
0
2180
1030
930
1835
865
790
1520
715
630
1280
605
510
0.10
25
2135
1005
885
1825
860
750
1510
710
610
1275
600
495
0.20
50
2085
985
840
1810
855
720
1505
710
580
1270
600
475
0.30
75
2030
955
800
1775
835
685
1500
705
565
1265
595
460
0.40
100
1940
915
760
1735
820
650
1480
700
535
1250
590
440
0.50
125
1865
880
725
1660
785
600
1430
675
505
1215
575
425
0.60
150
1740
820
670
1590
750
575
1380
650
475
1175
555
410
0.70
175
1645
775
640
1475
695
520
1290
610
450
1105
520
375
0.80
200
1540
725
600
1340
630
465
1175
555
405
1020
480
355
0.90
225
1335
630
540
1170
555
440
1070
505
375
950
450
330
G43UF−48C−110(H) PERFORMANCE (Less Filter)
External Static
Air Volume / Watts at Different Blower Speeds
External Static
Pressure
High
Medium−High
Medium−Low
Low
in. w.g.
Pa
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
0.00
0
2160
1020
880
1880
890
755
1490
705
602
1235
580
485
0.10
25
2100
990
850
1855
875
730
1480
700
585
1230
580
475
0.20
50
2035
960
805
1815
860
690
1475
695
560
1225
580
460
0.30
75
1965
925
750
1755
830
650
1475
695
545
1220
575
445
0.40
100
1885
890
725
1715
810
625
1465
690
510
1215
575
430
0.50
125
1780
840
680
1630
770
580
1420
670
490
1150
540
400
0.60
150
1690
800
660
1550
735
550
1360
640
460
1110
525
380
0.70
175
1575
745
620
1410
665
505
1210
570
405
1035
490
350
0.80
200
1375
650
550
1230
580
450
1125
530
380
970
460
325
0.90
225
1225
580
520
1120
530
415
1050
495
365
885
420
310
NOTES − All air data is measured external to unit without filter (not furnished − field provided).
Air volume based on bottom air return air. Actual air volume may vary on side return air applications.
G43UF−60C−110 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
Air Volume / Watts at Different Blower Speeds
Pressure
High
Medium−High
Medium−Low
Low
in. w.g.
Pa
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
0.00
0
2625
1240
1350
2310
1090
1080
1885
890
885
1515
715
700
0.10
25
2570
1215
1330
2325
1095
1060
1910
900
865
1575
745
700
0.20
50
2410
1135
1305
2285
1080
1035
1930
910
845
1620
765
690
0.30
75
2425
1145
1265
2230
1055
990
1925
905
825
1635
770
675
0.40
100
2335
1100
1220
2175
1025
950
1910
900
810
1640
775
660
0.50
125
2270
1070
1195
2120
1000
935
1895
895
785
1640
775
640
0.60
150
2170
1025
1155
2045
965
885
1860
875
765
1630
770
630
0.70
175
2110
995
1130
1950
920
855
1795
845
730
1590
750
610
0.80
200
2035
960
1090
1885
890
820
1745
825
705
1540
725
580
0.90
225
1900
895
1055
1760
830
780
1665
785
680
1470
695
565
G43UF−60C−110 PERFORMANCE (Less Filter) − Bottom Return Air, Side Return Air with Optional RAB Return Air Base, Re-
turn Air from Both Sides or Return Air from Bottom and One Side.
External Static
Air Volume / Watts at Different Blower Speeds
Pressure
High
Medium−High
Medium−Low
Low
in. w.g.
Pa
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
cfm
L/s
Watts
0.00
0
2720
1285
1385
2410
1135
1090
2055
970
935
1620
765
710
0.10
25
2665
1255
1355
2385
1125
1075
2025
955
885
1730
815
735
0.20
50
2585
1220
1315
2350
1110
1015
2030
955
865
1680
795
690
0.30
75
2505
1180
1275
2290
1080
990
2025
955
840
1695
800
675
0.40
100
2435
1150
1250
2235
1055
940
2030
960
830
1695
800
660
0.50
125
2350
1110
1205
2170
1025
930
1975
930
790
1735
820
665
0.60
150
2255
1065
1185
2100
990
895
1915
905
765
1720
810
650
0.70
175
2160
1020
1150
2005
945
840
1865
880
730
1680
795
635
0.80
200
2020
955
1090
1905
900
825
1810
855
710
1625
765
610
0.90
225
1910
900
1050
1820
860
795
1705
805
675
1540
725
590
NOTES − All air data is measured external to unit without filter (not furnished − field provided).