Product data
57
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND
Refer to page 65 for general Fan Performance notes.
LEGEND
*Motor drive range: 835 to 1185 rpm. All other rpms require field-supplied drive.
Refer to page 65 for general Fan Performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. indicates field-supplied motor and drive are required.
3. Maximum usable watts input is 1000 and maximum continuous bhp is 1.00.
LEGEND
*Motor drive range: 1075 to 1455 rpm. All other rpms require field-supplied drive.
Refer to page 65 for general Fan Performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.4 and the maximum continuous watts are 2120.
50TFQ005 (4 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Airflow
(Cfm)
Low Speed High Speed
208 v 230, 460, 575 v 208 v 230, 460, 575 v
ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts
1200 0.93 0.41 458 0.97 0.45 506 1.04 0.51 572 1.09 0.56 632
1300 0.86 0.42 471 0.90 0.46 521 0.96 0.52 589 1.02 0.58 651
1400 0.78 0.45 503 0.84 0.49 556 0.90 0.54 616 0.96 0.60 681
1500 0.73 0.47 536 0.76 0.52 593 0.83 0.56 631 0.89 0.62 698
1600 0.67 0.49 557 0.70 0.54 616 0.75 0.58 654 0.82 0.64 723
1700 0.60 0.52 584 0.63 0.57 646 0.67 0.60 678 0.74 0.66 750
1800 0.51 0.54 610 0.54 0.60 674 0.62 0.62 698 0.69 0.68 772
1900 0.40 0.56 629 0.45 0.62 696 0.54 0.64 720 0.62 0.70 796
2000 0.32 0.58 661 0.33 0.65 731 0.47 0.66 744 0.54 0.73 823
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure (in. wg)
Watts — Input Watts to Motor
50TFQ005 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.3 0.4 0.6 0.7 0.8
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1200 514 0.15 158 590 0.20 210 657 0.25 263 723 0.30 315 828 0.42 441 876 0.49 510 924 0.55 578
1300 545 0.18 189 615 0.23 242 680 0.29305 744 0.35 368 849 0.47 494 895 0.54 562 940 0.60 630
1400 577 0.21 221 642 0.27 284 704 0.33 347 766 0.39 410 870 0.52 546 915 0.59 620 959 0.66 693
1500 609 0.26 273 670 0.31 326 729 0.38 394 788 0.44 462 892 0.58 609 936 0.65 683 980 0.72 757
1600 642 0.30 315 699 0.36 378 755 0.43 447 811 0.49 515 913 0.64 672 957 0.72 751 1001 0.79 830
1700 675 0.36 378 728 0.42 441 782 0.49 510 836 0.55 578 935 0.71 746 979 0.79 825 1023 0.86 904
1800 709 0.41 431759 0.48 504 810 0.55 578 860 0.62 651 957 0.78 820 1001 0.86 904 1044 0.94 988
1900 743 0.48 504 7900.55 578 838 0.62 651 886 0.69 725 980 0.86 904 1023 0.95 993 1066 1.03 1082
2000 778 0.55 578 836 0.62 651 875 0.70 730 913 0.77 809 1004 0.94 988 1046 1.03 1082 1088 1.12 1177
50TFQ005 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.01.11.21.41.61.8
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1200 999 0.66 674 1018 0.67 685 1036 0.68 695 1073 0.71 756 1109 0.75 794 1138 0.79 851
1300 1025 0.74 756 1058 0.79 807 1090 0.84 858 1121 0.87 832 1159 0.90 918 1193 0.95 976
1400 1042 0.81 828 1080 0.88 899 1118 0.95 971 1175 1.06 1014 1206 1.09 1042 1244 1.12 1138
1500 1060 0.88 899 1098 0.96 981 1136 1.04 1063 1205 1.19 1138 1258 1.30 1243 1289 1.34 1282
1600 1080 0.95 971 1117 1.04 1058 1153 1.12 1140 1224 1.29 1234 1287 1.45 1387 1337 1.56 1492
1700 1101 1.03 1053 1137 1.12 1139 1172 1.20 1226 1241 1.38 1320 1307 1.56 1492 1366 1.73 1655
1800 1122 1.11 1134 1157 1.20 1226 1192 1.29 1318 1258 1.48 1415 1323 1.67 1597 1385 1.86 1779
1900 1143 1.21 1237 1179 1.30 1328 1214 1.39 1420 1279 1.58 1511 1341 1.78 1702 1402 1.98 1894
2000 1165 1.31 1339 1200 1.40 1431 1235 1.49 1523 1300 1.69 1616 1361 1.90 1817 1419 2.10 2008
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
50TFQ005 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1200 641 0.23 242 761 0.34 357 859 0.46 483943 0.58 609 10300.70 695
1300 673 0.28 294 788 0.39 410 887 0.52 546 968 0.65 683 1044 0.77 736
1400 705 0.33 347 817 0.45 473914 0.59 620 996 0.72 757 1069 0.86 838
1500 7380.38 399 847 0.51 536 940 0.65 683 1024 0.81 851 1095 0.95 930
1600 772 0.44 462 877 0.58 609967 0.73 767 1051 0.89935 1123 1.05 1073
1700 806 0.51 536 908 0.66 693 997 0.81 851 1077 1.01 1030 1151 1.15 1185
1800 841 0.59 620 939 0.75 788 1026 0.91 956 1104 1.07 1124 1178 1.26 1318
1900 876 0.68 714 971 0.84 883 1056 1.01 1061 1132 1.18 1240 1204 1.37 1502
2000 912 0.77 809 1004 0.94 988 1087 1.12 1177 1162 1.30 1366 1231 1.48 1604
50TFF005 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1200 1106 0.87 889 1134 0.98 998 1189 1.12 1138 1245 1.21 1358 1292 1.35 1345
1300 1128 0.91 930 1183 1.10 1052 1226 1.23 1215 1297 1.35 1406 1346 1.51 1500
1400 1139 1.01 1012 1218 1.14 1090 1286 1.34 1282 1320 1.48 1463 1370 1.65 1645
1500 1162 1.09 1114 1228 1.24 1186 1303 1.40 1339 1343 1.60 1530 1393 1.79 1778
1600 1185 1.20 1226 1250 1.35 1291 1319 1.51 1444 1382 1.68 1607 1434 1.88 1867
1700 1215 1.31 1339 1276 1.48 1415 1334 1.64 1569 1398 1.80 1722 1451 2.01 2001
1800 1243 1.43 1461 1303 1.61 1540 1359 1.78 1702 1418 1.95 1865 1471 2.18 2167
1900 1271 1.56 1594 1330 1.74 1664 1386 1.93 1846 1439 2.11 2018 1493 2.362345
2000 1298 1.69 1727 1358 1.89 1808 1413 2.08 1989 1466 2.27 2171 ———
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
50TFQ004-01250TFQ004-012