Technical Guide
251933-YTG-V-0913
52 Johnson Controls Unitary Products
ZF060 (5 Ton Belt Drive) Bottom Duct
Air Flow
(CFM)
Available External Static Pressure - IWG
1
1. Blower performance includes gas heat exchangers and 1” 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
Field Supplied Drive Standard Drive Option HIgh Static Drive Option
1200 722 0.45 812 0.53 899 0.60 983 0.68 1063 0.76 1140 0.85 1215 0.93 1286 1.03 1355 1.12 1422 1.21
1400 761 0.53 852 0.60 939 0.68 1022 0.76 1103 0.84 1180 0.92 1254 1.01 1326 1.10 1395 1.20 1462 1.29
1600 807 0.65 897 0.72 984 0.79 1068 0.87 1148 0.95 1225 1.04 1300 1.13 1371 1.22 1440 1.31 1507 1.40
1800 856 0.80 947 0.87 1034 0.95 1118 1.02 1198 1.11 1275 1.19 1349 1.28 1421 1.37 1490 1.46 1557 1.56
2000 910 0.99 1001 1.06 1088 1.14 1172 1.22 1252 1.30 1329 1.39 1403 1.47 1475 1.56 1544 1.66 1611 1.75
2200 968 1.23 1059 1.30 1146 1.37 1229 1.45 1309 1.53 1387 1.62 1461 1.71 1533 1.80 1602 1.89 1668 1.99
2400 1029 1.50 1119 1.57 1206 1.65 1290 1.72 1370 1.81 1448 1.89 1522 1.98 1593 2.07 1663 2.16 1729 2.26
2600 1093 1.81 1183 1.88 1270 1.95 1354 2.03 1434 2.11 1511 2.20 1586 2.29 - -----
Field Supplied Drive
ZF072 (6 Ton Belt Drive) Bottom Duct
Air Flow
(CFM)
Available External Static Pressure - IWG
1
1. Blower performance includes gas heat exchangers and 1” 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
Field Supplied Drive Standard Drive Option HIgh Static Drive Option
1600 807 0.65 897 0.72 984 0.79 1068 0.87 1148 0.95 1225 1.04 1300 1.13 1371 1.22 1440 1.31 1507 1.40
1800 856 0.80 947 0.87 1034 0.95 1118 1.02 1198 1.11 1275 1.19 1349 1.28 1421 1.37 1490 1.46 1557 1.56
2000 910 0.99 1001 1.06 1088 1.14 1172 1.22 1252 1.30 1329 1.39 1403 1.47 1475 1.56 1544 1.66 1611 1.75
2200 968 1.23 1059 1.30 1146 1.37 1229 1.45 1309 1.53 1387 1.62 1461 1.71 1533 1.80 1602 1.89 1668 1.99
2400 1029 1.50 1119 1.57 1206 1.65 1290 1.72 1370 1.81 1448 1.89 1522 1.98 1593 2.07 1663 2.16 1729 2.26
2600 1093 1.81 1183 1.88 1270 1.95 1354 2.03 1434 2.11 1511 2.20 1586 2.29 1657 2.38 1726 2.47 1793 2.57
2800 1159 2.15 1250 2.22 1337 2.29 1420 2.37 1500 2.46 1578 2.54 1652 2.63 1724 2.72 1793 2.81 - -
3000 1228 2.52 1318 2.59 1405 2.67 1489 2.75 1569 2.83 1646 2.91 1721 3.00 1792 3.09 - - - -
Field Supplied Drive
ZF036 - 072 (3-6 Ton Direct Drive) Bottom Duct
UNIT
TONNAGE
MOTOR
1
SPEED
1. Factory set on medium speed tap.
AVAILABLE EXTERNAL STATIC PRESSURE - IWG
2
2. Includes allowances for a wet evaporator coil, 1” filters, and the heat exchangers. Refer to STATIC RESISTANCES Table for resistance
values.
0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
CFM
WATTS
3
3
3. Bottom Duct application (230 Volts)
5 (HI) 1520 320 1478 335 1438 349 1401 363 1363 376 1327 390 1286 403 1248 417 1207 430
4 (MED/HI) 1430 263 1384 276 1342 290 1302 303 1259 316 1215 329 1168 343 1114 358 1044 374
3 (MED) 1287 208 1242 221 1199 234 1155 246 1108 258 1060 272 997 288 930 303 889 313
2 (MED/LOW) 1185 171 1138 183 1091 195 1041 207 987 220 921 235 862 248 - - - -
1 (LOW) 1040 130 959 134 900 145 - - - - - - - - - - - -
4
3
5 (HI) - - 1995 696 1957 714 1922 734 1885 749 1844 764 1795 769 1709 743 1566 685
4 (MED/HI) 1846 539 1812 557 1776 571 1736 585 1704 602 1662 619 1619 638 1566 653 1492 639
3 (MED) 1662 408 1624 426 1577 438 1542 455 1501 472 1454 490 1400 505 1356 521 1323 536
2 (MED/LOW) 1566 362 1526 380 1480 391 1450 406 1411 423 1363 440 1312 455 1279 469 1235 485
1 (LOW) 1287 223 1246 237 1190 247 - - - - - - - - - - - -
5
3
5 (HI) 2166 883 2169 931 2158 950 2134 964 2095 979 2040 971 1963 940 1881 898 1791 854
4 (MED/HI) 2060 771 2042 784 2035 808 2006 826 1970 844 1934 859 1888 861 1821 843 1730 806
3 (MED) 1940 637 1920 656 1907 675 1870 696 1834 715 1802 730 1759 740 1722 756 1657 748
2 (MED/LOW) 1688 413 1645 432 1611 451 1575 468 1534 479 1498 497 1461 513 - - - -
1 (LOW) 1509 327 1477 339 - - - - - - - - - - - - - -
6
3
5 (HI) 2177 883 2179 931 2169 950 2145 964 2106 979 2051 971 1973 940 1890 898 1800 854
4 (MED/HI) 2071 771 2053 784 2045 808 2016 826 1980 844 1944 859 1897 861 1830 843 - -
3 (MED) 1950 637 1929 656 1916 675 1880 696 1844 715 1811 730 1768 740 - - - -
2 (MED/LOW)------------------
1 (LOW) ------------------