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Table 18: Airflow Performance - Bottom Duct Application
ZH037 (3.0 Ton) Bottom Duct
Air Flow
0.2
(CFM)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Standard 1.5 HP & Drive
900
605
0.23
671
1000
621
0.25
688
1100
637
0.27
703
1200
651
0.30
717
1300
666
0.33
732
1400
681
0.37
747
1500
697
0.42
763
1. Blower performance includes gas heat exchangers and 2" filters. See STATIC RESISTANCE table for additional applications.
2. See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP.
3. kW = BHP x 0.932.
ZH049 (4.0 Ton) Bottom Duct
Air Flow
0.2
(CFM)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
4
FS
1200
651
0.30
717
1300
666
0.33
732
1400
681
0.37
747
1500
697
0.42
763
1600
714
0.47
780
1700
732
0.53
798
1800
751
0.60
817
1900
771
0.68
837
2000
793
0.75
859
1. Blower performance includes gas heat exchangers and 2" filters. See STATIC RESISTANCE table for additional applications.
2. See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP.
3. kW = BHP x 0.932.
4. Field Supplied Drive.
ZH061 (5.0 Ton) Bottom Duct
Air Flow
0.2
(CFM)
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1.5 HP & Field Supplied Drive
1500
673
0.47
736
1600
693
0.49
756
1700
713
0.53
777
1800
734
0.57
797
1900
755
0.62
819
2000
776
0.69
840
2100
798
0.76
861
2200
819
0.84
882
2300
840
0.93
903
2400
861
1.03
925
2500
882
1.14
946
1. Blower performance includes gas heat exchangers and 2" filters. See STATIC RESISTANCE table for additional applications.
2. See RPM SELECTION table to determine desired motor sheave setting and to determine the maximum continuous BHP.
3. kW = BHP x 0.932.
Johnson Controls Ducted Systems
Available External Static Pressure - IWG
0.4
0.6
0.8
0.33
738
0.42
804
0.34
754
0.44
820
0.36
769
0.46
835
0.39
784
0.49
850
0.43
799
0.52
865
0.47
814
0.56
880
0.51
830
0.61
896
Available External Static Pressure - IWG
0.4
0.6
0.8
Standard 1.5 HP & Drive
0.39
784
0.49
850
0.43
799
0.52
865
0.47
814
0.56
880
0.51
830
0.61
896
0.57
846
0.66
913
0.63
864
0.73
930
0.70
883
0.79
950
0.77
904
0.87
970
0.85
925
0.95
991
Available External Static Pressure - IWG
0.4
0.6
0.8
0.54
797
0.63
855
0.57
817
0.65
874
0.60
837
0.69
895
0.65
858
0.73
916
0.70
879
0.79
937
0.76
900
0.85
958
0.84
921
0.92
979
0.92
943
1.00
1001
1.01
964
1.10
1022
1.11
985
1.20
1043
1.22
1006
1.30
1064
1.0
1.2
Hi Static 1.5 HP & Drive
0.52
869
0.62
933
0.71
0.53
885
0.63
949
0.72
0.56
900
0.65
964
0.74
0.58
915
0.68
979
0.77
0.62
930
0.71
994
0.81
0.66
945
0.75
1009
0.85
0.71
961
0.80
1025
0.90
1.0
1.2
0.58
915
0.68
979
0.77
0.62
930
0.71
994
0.81
0.66
945
0.75
1009
0.85
0.71
961
0.80
1025
0.90
0.76
978
0.86
1042
0.95
0.82
996
0.92
1059
1.01
0.89
1015
0.98
1079
1.08
0.96
1035
1.06
1099
1.15
1.04
1056
1.14
1120
1.23
1.0
1.2
Standard 1.5 HP & Drive
0.72
910
0.82
964
0.92
0.75
930
0.85
984
0.95
0.78
951
0.88
1004
0.98
0.83
971
0.92
1025
1.03
0.88
992
0.98
1046
1.08
0.94
1014
1.04
1067
1.14
1.02
1035
1.11
1089
1.22
1.10
1056
1.20
1110
1.30
1.19
1077
1.29
1131
1.39
1.29
1099
1.39
1152
1.49
1.40
1120
1.50
1173
1.60
5167534-YIM-G-0518
1
1.4
1.6
995
0.80
1054
0.89
1111
1011
0.82
1071
0.91
1127
1026
0.84
1086
0.93
1142
1041
0.87
1100
0.96
1157
1056
0.90
1115
0.99
1172
1071
0.94
1130
1.03
1187
1087
0.99
1146
1.08
1203
1.5 HP & Field Supplied Drive
1
1.4
1.6
Hi Static 1.5 HP & Drive
1041
0.87
1100
0.96
1157
1056
0.90
1115
0.99
1172
1071
0.94
1130
1.03
1187
1087
0.99
1146
1.08
1203
1103
1.04
1163
1.14
1220
1121
1.10
1181
1.20
1237
1140
1.17
1200
1.26
1257
1161
1.25
1220
1.34
1277
1182
1.32
1242
1.42
1298
1
1.4
1.6
Hi Static 2 HP & Drive
1016
1.03
1067
1.14
1117
1036
1.06
1087
1.17
1137
1057
1.09
1107
1.20
1157
1077
1.14
1128
1.25
1178
1098
1.19
1149
1.30
1199
1120
1.25
1171
1.36
1221
1141
1.32
1192
1.44
1242
1162
1.41
1213
1.52
1263
1183
1.50
1234
1.61
1284
1204
1.60
1255
1.71
1305
1226
1.71
1276
1.82
1326
3 HP & Field Supplied Drive
1.8
2.0
0.98
1164
1.07
1.00
1180
1.09
1.02
1195
1.11
1.05
1210
1.13
1.08
1225
1.17
1.12
1240
1.21
1.17
1256
1.26
1.8
2.0
1.05
1210
1.13
1.08
1225
1.17
1.12
1240
1.21
1.17
1256
1.26
1.22
1273
1.31
1.29
1291
1.37
1.35
1310
1.44
1.43
-
-
1.51
-
-
1.8
2.0
1.25
1166
1.36
1.28
1186
1.39
1.31
1207
1.42
1.36
1228
1.47
1.41
1249
1.52
1.47
1270
1.59
1.55
1291
1.66
1.63
1312
1.74
1.72
1334
1.83
1.82
1355
1.93
1.93
1376
2.04
41
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