5167531-YIM-J-1019
44 Johnson Controls Ducted Systems
Table 19: Airflow performance - bottom duct application
ZR078 (6.5 ton) bottom 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 801 0.45 874 0.65 946 0.82 1018 0.97 1090 1.11 1163 1.25 1238 1.38 1315 1.5213951.6814771.86
2000 831 0.59 903 0.78 975 0.95 1047 1.10 1119 1.24 1193 1.38 1267 1.51 1344 1.6614241.8115071.99
2200 867 0.74 940 0.93 1012 1.10 1084 1.25 1156 1.39 1229 1.53 1304 1.66 1381 1.8114611.9615432.14
2400 910 0.91 983 1.10 1055 1.27 1126 1.43 1199 1.57 1272 1.70 1347 1.84 1424 1.98 1503 2.14 - -
2600 957 1.10 1030 1.30 1102 1.47 1174 1.62 1246 1.76 1320 1.89 1394 2.03 1471 2.17----
2800 1009 1.32 1082 1.51 1154 1.69 1225 1.84 1298 1.98 1371 2.11 1446 2.25 - - - ---
3000 1064 1.56 1137 1.75 1208 1.92 1280 2.08 1353 2.22 - - - - - -----
320011221.8211942.0212662.19--------------
340011822.1012542.30----------------
2 HP and field supplied drive
ZR090 (7.5 ton) bottom 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 831 0.59 903 0.78 975 0.95 1047 1.10 1119 1.24 1193 1.38 1267 1.51 1344 1.6614241.8115071.99
2200 867 0.74 940 0.93 1012 1.10 1084 1.25 1156 1.39 1229 1.53 1304 1.66 1381 1.8114611.9615432.14
2400 910 0.91 983 1.10 1055 1.27 1126 1.43 1199 1.57 1272 1.70 1347 1.84 1424 1.9815032.1415862.31
2600 957 1.10 1030 1.30 1102 1.47 1174 1.62 1246 1.76 1320 1.89 1394 2.03 1471 2.17 1551 2.33 1634 2.51
2800 1009 1.32 1082 1.51 1154 1.69 1225 1.84 1298 1.98 1371 2.11 1446 2.25 15232.3916022.5516852.73
3000 1064 1.56 1137 1.75 1208 1.92 1280 2.08 1353 2.22 1426 2.35 1501 2.49 15782.6316572.7917402.96
3200 1122 1.82 1194 2.02 1266 2.19 1338 2.34 1410 2.48 1484 2.61 1559 2.75 16362.8917153.0517983.23
3400 1182 2.10 1254 2.30 1326 2.47 1398 2.62 1471 2.76 1544 2.90 1619 3.03 16963.1717753.33 - -
3600 1244 2.41 1317 2.60 1389 2.77 1461 2.93 1533 3.07 1606 3.20 1681 3.33 - - - ---
3800 1308 2.73 1381 2.93 1453 3.10 1525 3.25 1597 3.39 - - - - - -----
3 HP and field supplied drive
ZR102 (8.5 ton) bottom 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 715 0.72 768 0.85 818 0.98 867 1.09 914 1.21 960 1.32 1004 1.43 1047 1.53 10891.6411311.75
2400 734 0.83 786 0.96 837 1.08 886 1.20 933 1.31 978 1.42 1022 1.53 1066 1.64 11081.7511501.86
2600 755 0.95 808 1.08 858 1.20 907 1.32 954 1.44 1000 1.55 1044 1.65 1087 1.76 11291.8711711.98
2800 779 1.09 832 1.22 882 1.35 931 1.46 978 1.58 1024 1.69 1068 1.80 1111 1.90 11532.0111952.12
3000 806 1.25 859 1.38 910 1.51 958 1.63 1005 1.74 1051 1.85 1095 1.96 1138 2.0711812.1712222.28
3200 837 1.44 889 1.57 940 1.69 989 1.81 1036 1.93 1081 2.04 1125 2.14 1168 2.2512112.3612522.47
3400 870 1.65 922 1.78 973 1.90 1022 2.02 1069 2.13 1114 2.24 1158 2.35 1202 2.4612442.5712862.68
3600 906 1.88 959 2.01 1009 2.13 1058 2.25 1105 2.36 1150 2.47 1195 2.58 1238 2.6912802.8013222.91
3800 945 2.13 998 2.26 1048 2.38 1097 2.50 1144 2.61 1190 2.72 1234 2.83 1277 2.9413193.0513613.16
4000 987 2.40 1040 2.53 1090 2.66 1139 2.78 1186 2.89 1231 3.00 1276 3.11 1319 3.21 1361 3.32 1403 3.43
4200 1032 2.70 1084 2.83 1135 2.95 1184 3.07 1231 3.18 1276 3.29 1320 3.40 - - - ---
3 HP and field supplied drive