Product data
56
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS
LEGEND
Refer to page 65 for general Fan Performance notes.
LEGEND
*Motor drive range: 760 to 1000 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 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.
50TFQ004 (3 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
900 0.72 0.21 253 0.75 0.23 277 0.73 0.26 307 0.76 0.31 363
1000 0.67 0.23 270 0.69 0.25 292 0.70 0.27 321 0.71 0.32 374
1100 0.61 0.24 287 0.63 0.26 307 0.64 0.28 335 0.65 0.33 385
1200 0.57 0.26 304 0.58 0.27 323 0.56 0.29 349 0.59 0.34 397
1300 0.51 0.27 321 0.53 0.29 338 0.53 0.31 364 0.54 0.34 408
1400 0.44 0.29 338 0.46 0.30 354 0.47 0.32 378 — — —
1500 0.39 0.30 355 0.41 0.31 369 0.43 0.33 392 — — —
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure (in. wg)
Watts — Input Watts to Motor
50TFQ004 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.1 0.2 0.3 0.4 0.5 0.6
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
900 526 0.06 70 584 0.08 99 656 0.12 139 7340.22 219 818 0.25 269 875 0.27 289
1000 570 0.09 109 627 0.13 149 7380.19 189 800 0.26 259 848 0.29 288 895 0.31 308
1100 614 0.13 149 670 0.16 189 758 0.23 229 812 0.29 288 863 0.32 308 914 0.35 348
1200 658 0.16 189 710 0.23 229 780 0.28 279 840 0.32 318 889 0.36 358 938 0.40 398
1300 703 0.20 239 752 0.27 269 808 0.32 318 868 0.37 368 916 0.41 408 963 0.45 448
1400 725 0.29 288 776 0.31 308 845 0.38 378 891 0.42 418 937 0.47 467 983 0.51 507
1500 755 0.33 328 816 0.38 378 870 0.43 428 924 0.48 477 969 0.53 527 1014 0.58 577
50TFQ004 (3 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
0.7 0.8 0.9 1.0 1.1 1.2
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
900 924 0.32 308 953 0.35 348 989 0.38 388 1028 0.42 43810740.49 487 1120 0.54 537
1000 936 0.35 348 977 0.39 388 1020 0.44 438 1064 0.48 477 1124 0.54 53711850.60 597
1100 960 0.39 388 1005 0.43 428 1052 0.49 487 1100 0.52 527 1163 0.59 587 1225 0.65 647
1200 960 0.45 388 10380.50 497 1076 0.53 527 11360.59 577 1201 0.65 647 1266 0.72 716
1300 1012 0.51 507 1061 0.56 557 1090 0.61 607 1172 0.65 647 1239 0.72 716 1306 0.79 786
1400 1027 0.56 557 1071 0.60 597 1108 0.67 666 1208 0.70 706 1278 0.79 786 1347 0.87 865
1500 1056 0.63 627 1097 0.68 676 1117 0.70 696 1245 0.74 776 1315 0.87 865 1385 0.96 955
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
50TFQ004 (3 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
900 584 0.08 99 7340.22219 875 0.27 269953 0.35 348 1028 0.42 438
1000 627 0.13 149 800 0.26 259 8950.31 308 977 0.39 388 1064 0.48 477
1100 670 0.16 189 812 0.29 288 914 0.35 348 1005 0.43 428 1100 0.52 527
1200 710 0.23 229 840 0.32 318 9380.4039810380.50497 1136 0.59 577
1300 752 0.27 269 868 0.37 368 963 0.45 448 1061 0.56 557 1172 0.65 647
1400 776 0.31 308 8910.42418983 0.51 507 1071 0.60 597 1208 0.70 706
1500 816 0.38 378 924 0.48 477 1014 0.58 577 1097 0.68 676 1245 0.74 776
50TFQ004 (3 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
900 1120 0.54 537 1155 0.59 589 1186 0.64 639 1215 0.69 685 1240 0.73 730
1000 1185 0.60 597 1222 0.66 655 1255 0.71 709 1285 0.77 761 1312 0.82 811
1100 1225 0.65 647 1263 0.71 709 1298 0.77 769 1328 0.83 825 1357 0.88 879
1200 1266 0.72 716 1306 0.79 786 1341 0.86 851 1373 0.92 914 1402 0.98 973
1300 1306 0.79 786 1347 0.87 862 1383 0.94 934 1416 1.01 1003 1446 1.07 1068
1400 1347 0.87 865 1389 0.95 950 1427 1.03 1029 1461 1.11 1104 1492 1.18 1176
1500 1385 0.96 955 1428 1.05 1048 1467 1.14 1135 1502 1.22 1218 15341.301298
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
Performance data (cont)
50TFQ004-01250TFQ004-012