5121835-TIM-J-1118
42
Johnson Controls Ducted Systems
Airflow performance
Table 18: Airflow performance - side duct application
ZKT06 (6.5 ton) side duct
Air flow
(CFM)
Available external static pressure - IWG
1
1. Blower performance includes gas heat exchangers and 2 in. filters. See the static resistance table for additional applications.
2. See the RPM selection table to determine the required motor sheave setting and to determine the maximum continuous BHP.
3. kW = BHP x 0.932.
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1.5 HP and field supplied drive
Standard 1.5 HP and drive
High static 2 HP and drive
1800
778
0.37
838
0.56
895
0.73
951
0.88
1005
1.01
1059
1.13
1112
1.25
1166
1.36
1221
1.47
1278
1.59
2000
803
0.50
864
0.69
921
0.85
977
1.00
1031
1.14
1085
1.26
1138
1.37
1192
1.49
1247
1.60
1304
1.72
2200
833
0.64
893
0.83
951
1.00
1006
1.14
1061
1.28
1114
1.40
1168
1.51
1221
1.63
1276
1.74
1333
1.86
2400
866
0.80
926
0.99
984
1.15
1039
1.30
1094
1.43
1147
1.56
1201
1.67
1254
1.78
1309
1.90
1366
2.02
2600
902
0.97
962
1.16
1020
1.33
1076
1.47
1130
1.61
1183
1.73
1237
1.85
1291
1.96
1346
2.07
1402
2.19
2800
941
1.16
1002
1.35
1059
1.52
1115
1.67
1169
1.80
1222
1.92
1276
2.04
1330
2.15
1385
2.26
-
-
3000
983
1.37
1043
1.56
1101
1.73
1157
1.88
1211
2.01
1264
2.13
1318
2.25
-
-
-
-
-
-
3200
1028
1.60
1088
1.79
1145
1.95
1201
2.10
1255
2.24
-
-
-
-
-
-
-
-
-
-
3400
1074
1.84
1134
2.03
1192
2.20
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2 HP and field supplied drive
ZKT07 (7.5 ton) side duct
Air flow
(CFM)
Available external static pressure - IWG
1
1. Blower performance includes gas heat exchangers and 2 in. filters. See the static resistance table for additional applications.
2. See the RPM selection table to determine the required motor sheave setting and to determine the maximum continuous BHP.
3. kW = BHP x 0.932.
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
1.5 HP and field supplied drive
Standard 1.5 HP and drive
High static 3 HP and drive
2000
803
0.50
864
0.69
921
0.85
977
1.00
1031
1.14
1085
1.26
1138
1.37
1192
1.49
1247
1.60
1304
1.72
2200
833
0.64
893
0.83
951
1.00
1006
1.14
1061
1.28
1114
1.40
1168
1.51
1221
1.63
1276
1.74
1333
1.86
2400
866
0.80
926
0.99
984
1.15
1039
1.30
1094
1.43
1147
1.56
1201
1.67
1254
1.78
1309
1.90
1366
2.02
2600
902
0.97
962
1.16
1020
1.33
1076
1.47
1130
1.61
1183
1.73
1237
1.85
1291
1.96
1346
2.07
1402
2.19
2800
941
1.16
1002
1.35
1059
1.52
1115
1.67
1169
1.80
1222
1.92
1276
2.04
1330
2.15
1385
2.26
1442
2.38
3000
983
1.37
1043
1.56
1101
1.73
1157
1.88
1211
2.01
1264
2.13
1318
2.25
1372
2.36
1427
2.47
1483
2.59
3200
1028
1.60
1088
1.79
1145
1.95
1201
2.10
1255
2.24
1309
2.36
1362
2.47
1416
2.59
1471
2.70
1528
2.82
3400
1074
1.84
1134
2.03
1192
2.20
1248
2.35
1302
2.48
1355
2.60
1409
2.72
1463
2.83
1518
2.94
1574
3.06
3600
1123
2.10
1183
2.29
1241
2.46
1297
2.61
1351
2.74
1404
2.86
1458
2.98
1512
3.09
1567
3.21
1623
3.32
3800
1174
2.38
1234
2.57
1292
2.74
1348
2.88
1402
3.02
1455
3.14
1509
3.26
1562
3.37
-
-
-
-
3 HP and field supplied drive
ZKT08 (8.5 ton) side duct
Air flow
(CFM)
Available external static pressure - IWG
1
1. Blower performance includes gas heat exchangers and 2 in. filters. See the static resistance table for additional applications.
2. See the RPM selection table to determine the required motor sheave setting and to determine the maximum continuous BHP.
3. kW = BHP x 0.932.
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
2 HP and field
supplied drive
Standard 2 HP and drive
High static 3 HP and drive
2200
684
0.48
735
0.67
783
0.84
829
1.01
874
1.17
918
1.32
960
1.48
1001
1.63
1041
1.78
1081
1.94
2400
695
0.58
745
0.76
793
0.94
840
1.11
885
1.27
928
1.42
970
1.57
1011
1.73
1052
1.88
1091
2.04
2600
706
0.67
756
0.86
805
1.04
851
1.20
896
1.36
939
1.52
981
1.67
1023
1.82
1063
1.98
1103
2.13
2800
719
0.78
769
0.96
817
1.14
863
1.31
908
1.47
952
1.62
994
1.78
1035
1.93
1075
2.08
1115
2.24
3000
732
0.89
782
1.08
831
1.25
877
1.42
922
1.58
965
1.74
1007
1.89
1049
2.04
1089
2.19
1128
2.35
3200
747
1.02
797
1.21
846
1.38
892
1.55
937
1.71
980
1.86
1023
2.02
1064
2.17
1104
2.32
1144
2.48
3400
764
1.16
814
1.35
862
1.53
909
1.69
954
1.85
997
2.01
1039
2.16
1080
2.31
1121
2.47
1160
2.62
3600
783
1.33
833
1.51
881
1.69
927
1.86
972
2.02
1016
2.17
1058
2.32
1099
2.48
1139
2.63
1179
2.79
3800
803
1.51
853
1.69
901
1.87
948
2.04
992
2.20
1036
2.35
1078
2.50
1119
2.66
1159
2.81
1199
2.97
4000
825
1.71
875
1.89
923
2.07
970
2.23
1014
2.39
1058
2.55
1100
2.70
1141
2.86
1181
3.01
1221
3.16
4200
849
1.92
899
2.11
947
2.29
993
2.45
1038
2.61
1082
2.77
1124
2.92
1165
3.07
1205
3.23
1245
3.38
3 HP and field supplied drive