
5566228-BIM-A-0818
40
Johnson Controls Ducted Systems
Airflow Performance
Table 17: ZK-A3 thru -A5 Side Duct Application
ZK-A3 (3.0 Ton) Side Duct
ZK-A4 (4.0 Ton) Side Duct
ZK-A5 (5.0 Ton) Side Duct
Air
Flow
(CFM)
Available External Static Pressure - IWG
1
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.
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
FS
4
Standard 1.5 HP & Drive
Hi Static 1.5 HP & Drive
900
480
0.4
582
0.4
673
0.5
756
0.5
830
0.6
898
0.7
960
0.8
1018
0.9
1072
1.0
1124
1.1
1000
489
0.4
591
0.4
682
0.5
764
0.6
839
0.6
907
0.7
969
0.8
1026
0.9
1080
1.0
1132
1.1
1100
500
0.4
602
0.4
693
0.5
776
0.6
850
0.6
918
0.7
980
0.8
1038
0.9
1092
1.0
1144
1.1
1200
513
0.4
614
0.5
706
0.5
788
0.6
863
0.7
931
0.8
993
0.8
1050
0.9
1104
1.0
1156
1.1
1300
525
0.4
627
0.5
719
0.6
801
0.6
876
0.7
943
0.8
1005
0.9
1063
1.0
1117
1.1
1169
1.2
1400
537
0.5
639
0.5
731
0.6
813
0.7
888
0.7
955
0.8
1017
0.9
1075
1.0
1129
1.1
1181
1.2
1500
549
0.5
650
0.6
742
0.6
824
0.7
899
0.8
966
0.9
1028
0.9
1086
1.0
1140
1.1
1192
1.2
Air
Flow
(CFM
Available External Static Pressure - IWG
1
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.
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 & Field
Supplied Drive
Standard 1.5 HP & Drive
Hi Static 1.5 HP & Drive
1200
513
0.4
614
0.5
706
0.5
788
0.6
863
0.7
931
0.8
993
0.8
1050
0.9
1104
1.0
1156
1.1
1300
525
0.4
627
0.5
719
0.6
801
0.6
876
0.7
943
0.8
1005
0.9
1063
1.0
1117
1.1
1169
1.2
1400
537
0.5
639
0.5
731
0.6
813
0.7
888
0.7
955
0.8
1017
0.9
1075
1.0
1129
1.1
1181
1.2
1500
549
0.5
650
0.6
742
0.6
824
0.7
899
0.8
966
0.9
1028
0.9
1086
1.0
1140
1.1
1192
1.2
1600
558
0.6
660
0.6
752
0.7
834
0.8
909
0.8
976
0.9
1038
1.0
1096
1.1
1150
1.2
1202
1.3
1700
566
0.6
668
0.7
760
0.7
842
0.8
917
0.9
984
1.0
1046
1.1
1104
1.1
1158
1.2
1210
1.4
1800
573
0.7
675
0.7
766
0.8
849
0.9
923
1.0
991
1.0
1053
1.1
1110
1.2
1164
1.3
1216
1.4
1900
577
0.8
679
0.8
771
0.9
853
1.0
928
1.0
995
1.1
1057
1.2
1115
1.3
1169
1.4
1221
1.5
2000
580
0.8
682
0.9
773
1.0
856
1.0
930
1.1
998
1.2
1060
1.3
1117
1.4
1172
1.5
1224
1.6
FS
4
Air
Flow
(CFM)
Available External Static Pressure - IWG
1
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.
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
Standard 1.5 HP & Drive
Hi Static 2 HP & Drive
1500
616
0.5
685
0.6
766
0.7
833
0.8
905
0.9
975
1.0
1035
1.0
1101
1.1
1163
1.2
1229
1.3
1600
638
0.6
707
0.7
781
0.7
848
0.8
920
0.9
990
1.0
1050
1.1
1104
1.1
1166
1.2
1232
1.3
1700
655
0.6
724
0.7
796
0.8
863
0.9
935
1.0
1005
1.1
1064
1.1
1109
1.2
1172
1.3
1238
1.4
1800
670
0.7
739
0.8
810
0.8
877
0.9
949
1.0
1018
1.1
1078
1.2
1117
1.2
1179
1.3
1245
1.5
1900
686
0.7
755
0.8
823
0.9
890
1.0
962
1.1
1032
1.2
1091
1.2
1125
1.3
1187
1.4
1253
1.5
2000
702
0.8
772
0.9
836
1.0
903
1.1
975
1.2
1045
1.3
1078
1.3
1135
1.4
1197
1.5
1263
1.6
2100
722
0.9
791
1.0
849
1.0
916
1.1
988
1.2
1058
1.3
1089
1.4
1147
1.5
1209
1.6
1275
1.7
2200
745
0.9
814
1.0
861
1.1
928
1.2
1000
1.3
1050
1.4
1102
1.5
1159
1.6
1221
1.7
1287
1.8
2300
772
1.0
841
1.1
874
1.2
941
1.3
1013
1.4
1064
1.5
1115
1.6
1173
1.7
1235
1.8
-
-
2400
804
1.1
832
1.2
886
1.3
953
1.4
1033
1.4
1078
1.6
1130
1.7
1188
1.8
-
-
-
-
2500
841
1.2
844
1.3
898
1.4
965
1.5
1049
1.5
1094
1.7
-
-
-
-
2 HP & Field Supplied Drive