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Page 19
BLOWER DATA - BELT DRIVE
4 TON
BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY WITH DRY INDOOR COIL AND AIR FILTERS IN PLACE.
FOR ALL UNITS ADD:
1 - Any factory installed options air resistance (larger gas heat section, economizer, wet coil, etc.).
2 - Any field installed accessories air resistance (duct resistance, diffuser, etc.).
See page 23 for blower motors and drives and page 30 for wet coil and options/accessory air resistance data.
DOWNFLOW
KDB048H4T
Air
Volume
cfm
External Static - in. w.g.
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
900
466
0.10
525
0.14
586
0.17
646
0.20
729
0.20
821
0.19
899
0.20
953
0.23
1000
484
0.12
543
0.16
603
0.19
664
0.22
745
0.23
834
0.23
908
0.24
959
0.26
1100
505
0.15
563
0.18
622
0.22
682
0.25
762
0.26
847
0.26
917
0.27
966
0.30
1200
527
0.18
584
0.21
643
0.25
702
0.28
779
0.30
860
0.30
927
0.31
973
0.34
1300
550
0.21
607
0.25
664
0.29
722
0.32
797
0.33
875
0.34
937
0.35
981
0.38
1400
574
0.25
630
0.29
687
0.32
744
0.35
817
0.37
890
0.38
949
0.39
991
0.42
1500
603
0.28
659
0.32
714
0.36
770
0.39
839
0.41
907
0.42
962
0.44 1002 0.47
1600
651
0.29
703
0.33
754
0.37
806
0.41
867
0.43
927
0.45
976
0.48 1014 0.51
1700
708
0.30
754
0.34
800
0.38
846
0.42
898
0.46
949
0.49
992
0.53 1028 0.57
1800
764
0.31
804
0.36
844
0.40
884
0.45
927
0.49
970
0.54 1008 0.58 1044 0.63
1900
812
0.34
847
0.39
881
0.44
916
0.49
953
0.54
990
0.59 1025 0.64 1061 0.69
2000
857
0.42
889
0.47
920
0.52
952
0.57
986
0.62 1020 0.68 1055 0.73 1091 0.77
Air
Volume
cfm
External Static - in. w.g.
0.90
1.00
1.10
1.20
1.30
1.40
1.50
1.60
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
900
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
1000
996
0.31 1034 0.35
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
1100
1001 0.34 1040 0.38 1083 0.42
1128
0.46
1176
0.49
- - -
- - -
- - -
- - -
- - -
- - -
1200
1008 0.38 1047 0.42 1089 0.46
1133
0.49
1180
0.53 1224 0.56 1261 0.60
- - -
- - -
1300
1017 0.42 1055 0.46 1097 0.50
1139
0.53
1184
0.57 1228 0.60 1264 0.63 1295 0.67
1400
1026 0.46 1065 0.50
1106
0.54
1147
0.57
1191
0.61 1233 0.64 1269 0.68 1300 0.71
1500
1038 0.51 1076 0.55
1117
0.59
1157
0.62
1199
0.65 1240 0.69 1275 0.72 1305 0.76
1600
1050 0.56 1089 0.60
1129
0.64
1168
0.67 1209 0.71 1249 0.74 1282 0.78 1312 0.82
1700
1065 0.61
1103
0.65
1142
0.69
1181
0.73 1221 0.76 1259 0.80 1292 0.83 1320 0.88
1800
1081 0.67
1118
0.71
1156
0.75
1194
0.79 1234 0.82 1271 0.86 1302 0.90 1330 0.94
1900
1098 0.73
1135
0.77
1172
0.81 1209 0.85 1248 0.88 1284 0.92 1314 0.97 1341 1.01
2000
1128
0.82
1164
0.86 1201 0.89 1239 0.93 1276 0.97 1310 1.01 1336 1.06 1362 1.10