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31-5000724 Rev. 0
BLOWER PERFORMANCE: RETURN INLET
Model
Motor
Size
(hp)
Blower
Size
Temp
Rise
F°
Heating
CFM @ 0" - 0.8" w.c.
Cooling
Stages
Speed
Adjustment
Cooling
CFM @ 0" - 0.8" w.c.
* *
40%
Input
70%
Input
100%
Input
Low
Medium
Low
Medium
High
High
Default
DOWNFLOW
NF97D070M3B
1/2 HP 10 x 9
50 - 80
Max.
Input
+15%
543
830
1118
2nd
Stage
+10%
910
1075
1232
1366
+7.5%
516
778
1041
Default
846
963
1126
1267
Default
489
726
963
-10%
759
889
986
1154
35 - 65
Min.
Input
1st
Stage
+10%
625
788
890
998
-7.5%
467
687
908
Default
573
711
830
894
-15%
444
649
853
-10%
520
619
714
822
NF97D090M4C
1/2 HP 10 x 9
60 - 90
Max.
Input
+15%
756
1033 1309
2nd
Stage
+10%
924
1083
1218
1386
+7.5%
713
971
1230
Default
835
1000
1136
1259
Default
669
910
1150
-10%
751
890
1028
1145
35 - 65
Min.
Input
1st
Stage
+10%
610
771
902
1035
-7.5%
599
845
1091
Default
549
690
808
923
-15%
530
781
1032
-10%
466
623
721
812
NF97D1
10M5C
1 HP 11 x 11
50 - 80
Max.
Input
+15%
906
1475 2045
2nd
Stage
+10%
1337
1583
1792
2011
+7.5%
835
1380 1926
Default
1222
1440
1629
1867
Default
764
1285 1807
-10%
1098
1273
1473
1678
35 - 65
Min.
Input
1st
Stage
+10%
922
1093
1264
1442
-7.5%
707
1193 1679
Default
830
965
1129
1289
-15%
650
1101 1551
-10%
738
860
1034
1156
** See installation instructions for proper blower setup