349218-JIM-F-0512
40 Johnson Controls Unitary Products
Table 16: Air Flow Performance - Bottom Duct Application
J15ZJ (15 Ton) Bottom 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 0.898.
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Standard 5 HP &
Field Supplied Drive
Standard 5 HP & Drive High Static 5 HP & Drive
4000 768 1.24 806 1.55 846 1.83 888 2.09 930 2.32 972 2.53 1015 2.73 1056 2.91 1097 3.09 1136 3.27 1173 3.44 1208 3.61
4400 797 1.65 835 1.96 875 2.24 916 2.49 959 2.72 1001 2.93 1043 3.13 1085 3.32 1126 3.50 1165 3.67 1202 3.84 1237 4.02
4800 828 2.09 866 2.40 906 2.68 947 2.93 989 3.16 1032 3.38 1074 3.58 1116 3.76 1157 3.94 1196 4.11 1233 4.28 1267 4.46
5200 860 2.57 898 2.88 938 3.16 980 3.41 1022 3.65 1064 3.86 1107 4.06 1148 4.24 1189 4.42 1228 4.59 1265 4.77 1300 4.94
5600 894 3.09 932 3.40 972 3.68 1014 3.93 1056 4.16 1098 4.38 1141 4.57 1182 4.76 1223 4.94 1262 5.11 1299 5.28 1334 5.46
6000 930 3.64 968 3.95 1008 4.23 1049 4.48 1091 4.71 1134 4.93 1176 5.12 1218 5.31 1259 5.49 1298 5.66 - - - -
6400 966 4.22 1005 4.53 1045 4.81 1086 5.06 1128 5.30 1171 5.51 1213 5.71 - - - - - - - - - -
6800 1005 4.84 1043 5.14 1083 5.42 1124 5.68 - - --------------
7200 1044 5.48 - - - - - - - - --------------
5 HP & Field Supplied Drive
J18ZJ (17.5 Ton) Bottom 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 0.838.
0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
Standard 5 HP &
Field Supplied Drive
Standard 5 HP & Drive High Static 7.5 HP & Drive
4400 661 0.74 697 1.19 733 1.62 768 2.03 803 2.40 838 2.73 871 3.02 904 3.26 935 3.45 964 3.59 992 3.66 1018 3.67
4800 677 1.07 712 1.53 748 1.96 784 2.36 819 2.73 853 3.06 887 3.35 919 3.59 950 3.79 980 3.92 1008 4.00 1034 4.01
5200 694 1.43 730 1.89 766 2.32 801 2.72 836 3.09 871 3.42 904 3.71 937 3.95 968 4.14 997 4.28 1025 4.35 1051 4.37
5600 713 1.82 749 2.27 785 2.71 820 3.11 856 3.48 890 3.81 923 4.10 956 4.34 987 4.53 1017 4.67 1045 4.74 1071 4.75
6000 734 2.25 770 2.70 806 3.13 841 3.53 877 3.90 911 4.23 944 4.52 977 4.77 1008 4.96 1038 5.09 1066 5.17 1092 5.18
6400 757 2.71 793 3.17 829 3.60 864 4.00 899 4.37 934 4.70 967 4.99 1000 5.23 1031 5.42 1060 5.56 1088 5.64 1114 5.65
6800 781 3.22 817 3.68 853 4.11 888 4.51 923 4.88 958 5.21 991 5.50 1024 5.74 1055 5.94 1085 6.07 1112 6.15 1139 6.16
7200 807 3.78 843 4.23 878 4.66 914 5.07 949 5.44 983 5.77 1017 6.06 1049 6.30 1081 6.49 1110 6.63 1138 6.70 1164 6.71
7600 834 4.38 870 4.83 905 5.26 941 5.67 976 6.04 1010 6.37 1044 6.66 1076 6.90 1108 7.09 1137 7.23 1165 7.30 1191 7.31
8000 862 5.02 898 5.48 934 5.91 969 6.31 1004 6.68 1039 7.01 1072 7.30 1105 7.55 1136 7.74 1166 7.87 1194 7.95 1220 7.96
8400 892 5.71 928 6.17 963 6.60 999 7.00 1034 7.37 1069 7.70 1102 7.99 1134 8.24 1166 8.43 1195 8.56 - - - -
8800 923 6.45 959 6.91 994 7.34 1030 7.74 1065 8.11 1099 8.44 - - - - - - - - - - - -
7.5 HP & Field Supplied Drive