Dettson C45-1-D - Table 4: Air Flow Capacity and Blower Data 2 Stage Direct Table 29 CFM for 60,000 BTU PSC Motor; Table 30 CFM in Heating for 60,000 BTU 2 Stage ECM; Table 5: Air Flow Capacity and Blower Date 1 Stage Direct Motor; Table 31 CFM in Cooling for 60,000 BTU 2 Stage ECM

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Table 29 CFM for 60,000 BTU PSC motor
Motor speed
Static pressure
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
HIGH
N/A
N/A
1370
1305
1230
1155
1085
1005
945
860
MED-HI
N/A
1195
1134
1085
1025
975
925
875
814
740
MED
N/A
1150
1100
1050
1000
955
905
860
795
725
LOW
N/A
1005
980
945
905
865
820
780
720
655
Table 30 CFM in heating for 60,000 BTU 2 stage ECM motor
1st stage -Heating
Motor speed
Static pressure
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
A
N/A
745
735
725
720
705
705
695
685
675
B
N/A
910
910
900
895
890
880
870
865
855
C
N/A
835
825
820
815
805
795
790
780
775
D
N/A
770
770
770
765
755
750
750
735
730
2nd stage - Heating
Motor speed
Static pressure
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
A
N/A
1125
1120
1110
1100
1100
1090
1080
1075
1075
B
N/A
N/A
1355
1350
1340
1335
1325
1315
1305
1265
C
N/A
1250
1230
1230
1220
1220
1215
1205
1195
1190
D
N/A
1180
1180
1175
1165
1165
1160
1155
1150
1140
Table 31 CFM in cooling for 60,000 BTU 2 stage ECM motor
1st stage - Cooling
Motor speed
Static pressure
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
A
N/A
1300
1295
1295
1280
1280
1265
1250
1230
1230
B
N/A
1080
1070
1065
1050
1045
1050
1040
1035
1035
C
N/A
890
870
860
860
850
835
835
825
820
D
N/A
720
690
675
665
655
645
635
630
610
2nd stage - Cooling
Motor speed
Static pressure
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
A
N/A
N/A
1555
1515
1475
1445
1415
1370
1330
1285
B
N/A
N/A
1375
1370
1360
1350
1340
1325
1285
1255
C
N/A
1145
1145
1135
1130
1125
1115
1110
1105
1095
D
N/A
900
890
885
880
870
860
855
845
835