Product data
46
FAN PERFORMANCE — VERTICAL 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. 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.
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 0.67 0.21 253 0.68 0.23 277 0.69 0.26 307 0.69 0.31 363
1000 0.60 0.23 270 0.61 0.25 292 0.61 0.27 321 0.63 0.32 374
1100 0.55 0.24 287 0.56 0.26 307 0.57 0.28 335 0.58 0.33 385
1200 0.51 0.26 304 0.51 0.27 323 0.52 0.29 349 0.53 0.34 397
1300 0.45 0.27 321 0.46 0.29 338 0.46 0.31 364 0.47 0.34 408
1400 0.38 0.29 338 0.41 0.30 354 0.43 0.32 378 — — —
1500 0.34 0.30 355 0.36 0.31 369 0.38 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
900 581 0.12 119 673 0.18 179 7360.22 219 805 0.25 249 865 0.29 288 911 0.34 338
1000 644 0.19 189 709 0.22 219 782 0.28 279 835 0.30 298 900 0.35 348 937 0.38 378
1100 687 0.22 219 746 0.26 259 806 0.30 298 867 0.35 348 929 0.40 398 964 0.40 398
1200 733 0.26 259 785 0.32 318 843 0.35 348 903 0.41 408 960 0.47 467 994 0.50 497
1300 754 0.29 288 826 0.38 378 891 0.43 428 942 0.48 477 991 0.53 527 1047 0.60 597
1400 810 0.35 348 868 0.45 448 937 0.51 507 984 0.57 567 1032 0.62 617 1067 0.67 666
1500 841 0.42 418 911 0.53 527 985 0.61 607 1029 0.66 656 1073 0.72 716 1109 0.77 766
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
900 957 0.39 388 988 0.43 428 1039 0.45 448 1061 0.47 487 1083 0.53 527 1105 0.57 567
1000 992 0.44 438 1039 0.49 487 1061 0.51 507 1086 0.55 547 1111 0.59 587 11360.63 627
1100 1013 0.49 487 1068 0.55 547 1090 0.58 577 1109 0.61 607 1127 0.64 637 1145 0.67 666
1200 1045 0.56 557 10900.64 6371109 0.64 647 1156 0.68 676 1203 0.71 706 1250 0.74 736
1300 1075 0.64 63711220.70 696 1152 0.72 716 1190 0.76 756 1228 0.80 796 1266 0.84 836
1400 1110 0.73 726 1160 0.84 766 1181 0.81 806 12370.85 845 1293 0.89 885 1349 0.93 925
1500 1150 0.82 816 1190 1.00 855 1225 0.9089512710.95 945 1317 1.00 995
1363 1.05 1044
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
900 673 0.18 179 805 0.25 249911 0.34 338 988 0.43 428 1061 0.47 487
1000 709 0.22 219 8350.30298 9370.38 378 1039 0.49 487 1086 0.55 547
1100 746 0.26 259 867 0.35 348 964 0.40 398 1068 0.55 547 1109 0.61 607
1200 785 0.32 318 903 0.41 408 9940.50 497 1090 0.64 637 1156 0.68 676
1300 826 0.38 378 942 0.48 477 1047 0.60 597 1122 0.70 696 1190 0.76 756
1400 868 0.45 448 984 0.57 567 1067 0.67 666 1160 0.84 766 1237 0.85 845
1500 911 0.53 527 1029 0.66 656 1109 0.77 766 1190 1.00 855 1271 0.95 945
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 1105 0.57 567 1140 0.63 622 1170 0.68 674 1198 0.73 723 1224 0.77 771
1000 1136 0.63 627 1172 0.69 688 1203 0.75 745 1232 0.80 799 1258 0.86 852
1100 1145 0.67 666 1181 0.73 731 1213 0.80 792 1242 0.85 850 1268 0.91 906
1200 1210 0.74 736 1248 0.81 808 1282 0.88 875 1312 0.94 939 1340 1.01 1000
1300 1266 0.84 836 1306 0.92 917 1341 1.00 993 1373 1.07 1066 1402 1.14 1136
1400 1349 0.93 925 1391 1.02 1015 1429 1.11 1100 1463 1.19 1180 14941.26 1257
1500 1383 1.05 1044 1426 1.15 1146 1465 1.25 1242 1500 1.34133215321.43 1419
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
Performance data (cont)
50TFQ004-01250TFQ004-012