Lennox Hearth G43UF User Manual
Page 15

G43UF / Page 15
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
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
2665
1260
1440
2325
1095
1100
1865
880
890
1410
665
690
0.10
25
2615
1235
1405
2310
1090
1065
1915
905
865
1465
690
685
0.20
50
2530
1195
1370
2280
1075
1055
1925
910
850
1570
740
675
0.30
75
2470
1165
1330
2235
1055
1015
1920
905
825
1590
750
670
0.40
100
2380
1125
1290
2175
1025
985
1910
900
805
1590
750
655
0.50
125
2310
1090
1265
2120
1000
965
1890
890
790
1595
755
645
0.60
150
2200
1035
1230
2055
970
935
1835
865
765
1580
745
630
0.70
175
2120
1000
1190
1970
930
900
1790
845
740
1545
730
605
0.80
200
2025
955
1160
1890
890
875
1720
810
710
1515
715
590
0.90
225
1930
910
1110
1800
850
835
1655
780
685
1440
680
570
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
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
2730
1290
1465
2425
1145
1125
2055
970
915
1560
735
680
0.10
25
2670
1260
1440
2400
1135
1100
2065
975
890
1590
750
675
0.20
50
2600
1225
1400
2365
1115
1070
2045
965
865
1620
765
665
0.30
75
2525
1190
1360
2315
1095
1045
2035
960
845
1615
760
655
0.40
100
2445
1155
1325
2260
1065
1015
2020
955
820
1615
760
645
0.50
125
2360
1115
1280
2195
1035
985
1960
925
790
1610
760
635
0.60
150
2290
1080
1255
2130
1005
965
1900
895
755
1600
755
615
0.70
175
2205
1040
1220
2035
960
910
1825
860
730
1570
740
600
0.80
200
2110
995
1195
1945
915
880
1765
830
710
1540
725
580
0.90
225
1970
930
1120
1835
865
830
1680
795
690
1540
725
545
NOTES − All air data is measured external to unit without filter (not furnished − field provided).